Bug #1742316 “DVB Card with SAA7146 chipset not working” : Bugs : linux package : Ubuntu

Revision history for this message

TauSo (tauso) wrote on 2018-01-09:

#1

AlsaDevices.txt Edit (589 bytes, text/plain; charset="utf-8")
CRDA.txt Edit (454 bytes, text/plain; charset="utf-8")
Card0.Codecs.codec.0.txt Edit (15.3 KiB, text/plain; charset="utf-8")
Card0.Codecs.codec.1.txt Edit (1.3 KiB, text/plain; charset="utf-8")
CurrentDmesg.txt Edit (57.3 KiB, text/plain; charset="utf-8")
Dependencies.txt Edit (3.1 KiB, text/plain; charset="utf-8")
Lspci.txt Edit (21.9 KiB, text/plain; charset="utf-8")
Lsusb.txt Edit (564 bytes, text/plain; charset="utf-8")
PciMultimedia.txt Edit (2.5 KiB, text/plain; charset="utf-8")
ProcCpuinfo.txt Edit (3.1 KiB, text/plain; charset="utf-8")
ProcCpuinfoMinimal.txt Edit (799 bytes, text/plain; charset="utf-8")
ProcInterrupts.txt Edit (2.8 KiB, text/plain; charset="utf-8")
ProcModules.txt Edit (2.9 KiB, text/plain; charset="utf-8")
UdevDb.txt Edit (130.7 KiB, text/plain; charset="utf-8")

Revision history for this message

Ubuntu Kernel Bot (ubuntu-kernel-bot) wrote on 2018-01-10: Status changed to Confirmed

#2

This change was made by a bot.

Changed in linux (Ubuntu):
status:	New → Confirmed

Revision history for this message

Joseph Salisbury (jsalisbury) wrote on 2018-01-10:

#3

Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.15 kernel[0].

If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'.

Once testing of the upstream kernel is complete, please mark this bug as "Confirmed".

Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.15-rc7

Changed in linux (Ubuntu):
importance:	Undecided → Medium
status:	Confirmed → Incomplete

Revision history for this message

TauSo (tauso) wrote on 2018-01-10:

#4

Download full text (3.5 KiB)

Unfortunatly the same problem:

[ 6.201796] ------------[ cut here ]------------
[ 6.201799] kernel BUG at /home/kernel/COD/linux/drivers/media/common/saa7146/saa7146_core.c:163!
[ 6.201812] invalid opcode: 0000 [#1] SMP
[ 6.201814] Modules linked in: snd_hda_codec_generic snd_hda_intel budget_av(+) snd_hda_codec saa7146_vv snd_hda_core budget_core ttpci_eeprom snd_hwdep saa7146 snd_pcm intel_powerclamp videobuf_dma_sg videobuf_core dvb_core v4l2_common snd_timer videodev snd input_leds joydev lpc_ich media soundcore shpchp mac_hid nct6775 hwmon_vid coretemp ip_tables x_tables autofs4 uas usb_storage hid_generic usbhid hid gma500_gfx i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt r8169 fb_sys_fops ahci drm libahci mii video
[ 6.201882] CPU: 3 PID: 293 Comm: systemd-udevd Not tainted 4.15.0-041500rc7-generic #201801072330
[ 6.201884] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./AD2700-ITX, BIOS P1.60 04/19/2013
[ 6.201895] EIP: saa7146_vmalloc_build_pgtable+0x140/0x1020 [saa7146]
[ 6.201897] EFLAGS: 00010246 CPU: 3
[ 6.201900] EAX: f24b8908 EBX: f478b800 ECX: 00000002 EDX: fff1c000
[ 6.201903] ESI: 00000000 EDI: f864a000 EBP: f4b65c44 ESP: f4b65c24
[ 6.201906] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[ 6.201910] CR0: 80050033 CR2: 00587024 CR3: 310b72a0 CR4: 000006f0
[ 6.201912] Call Trace:
[ 6.201925] ttpci_budget_init+0x26c/0x530 [budget_core]
[ 6.201935] ? budget_av_attach+0x3e/0x4e8 [budget_av]
[ 6.201944] budget_av_attach+0x75/0x4e8 [budget_av]
[ 6.201954] ? vprintk_func+0x29/0x70
[ 6.201959] ? printk+0x13/0x15
[ 6.201965] ? saa7146_init_one+0x69f/0x770 [saa7146]
[ 6.201971] saa7146_init_one+0x70b/0x770 [saa7146]
[ 6.201979] ? __pm_runtime_resume+0x51/0x80
[ 6.201985] pci_device_probe+0xc2/0x160
[ 6.201991] driver_probe_device+0x2d9/0x450
[ 6.201996] __driver_attach+0x99/0xe0
[ 6.202000] ? driver_probe_device+0x450/0x450
[ 6.202005] bus_for_each_dev+0x57/0x90
[ 6.202010] driver_attach+0x19/0x20
[ 6.202014] ? driver_probe_device+0x450/0x450
[ 6.202018] bus_add_driver+0x187/0x230
[ 6.202022] ? 0xf8334000
[ 6.202026] driver_register+0x56/0xd0
[ 6.202030] ? 0xf8334000
[ 6.202035] __pci_register_driver+0x3a/0x40
[ 6.202041] saa7146_register_extension+0x50/0x80 [saa7146]
[ 6.202050] budget_av_init+0x12/0x1000 [budget_av]
[ 6.202055] do_one_initcall+0x46/0x170
[ 6.202061] ? vunmap_page_range+0x13e/0x280
[ 6.202067] ? _cond_resched+0x17/0x40
[ 6.202073] ? kmem_cache_alloc_trace+0x165/0x1d0
[ 6.202078] ? do_init_module+0x21/0x1ec
[ 6.202082] ? do_init_module+0x21/0x1ec
[ 6.202087] do_init_module+0x50/0x1ec
[ 6.202092] load_module+0x1565/0x1a80
[ 6.202102] SyS_finit_module+0x8a/0xe0
[ 6.202110] do_fast_syscall_32+0x71/0x1d0
[ 6.202116] entry_SYSENTER_32+0x4e/0x7c
[ 6.202119] EIP: 0xb7eeccf9
[ 6.202121] EFLAGS: 00000292 CPU: 3
[ 6.202124] EAX: ffffffda EBX: 00000018 ECX: b7cdda71 EDX: 00000000
[ 6.202127] ESI: 01547e30 EDI: 0154a2f0 EBP: 00000000 ESP: bfb3355c
[ 6.202129] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b
[ 6.202133]...

Unfortunatly the same problem:

[    6.201796] ------------[ cut here ]------------
[    6.201799] kernel BUG at /home/kernel/COD/linux/drivers/media/common/saa7146/saa7146_core.c:163!
[    6.201812] invalid opcode: 0000 [#1] SMP
[    6.201814] Modules linked in: snd_hda_codec_generic snd_hda_intel budget_av(+) snd_hda_codec saa7146_vv snd_hda_core budget_core ttpci_eeprom snd_hwdep saa7146 snd_pcm intel_powerclamp videobuf_dma_sg videobuf_core dvb_core v4l2_common snd_timer videodev snd input_leds joydev lpc_ich media soundcore shpchp mac_hid nct6775 hwmon_vid coretemp ip_tables x_tables autofs4 uas usb_storage hid_generic usbhid hid gma500_gfx i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt r8169 fb_sys_fops ahci drm libahci mii video
[    6.201882] CPU: 3 PID: 293 Comm: systemd-udevd Not tainted 4.15.0-041500rc7-generic #201801072330
[    6.201884] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./AD2700-ITX, BIOS P1.60 04/19/2013
[    6.201895] EIP: saa7146_vmalloc_build_pgtable+0x140/0x1020 [saa7146]
[    6.201897] EFLAGS: 00010246 CPU: 3
[    6.201900] EAX: f24b8908 EBX: f478b800 ECX: 00000002 EDX: fff1c000
[    6.201903] ESI: 00000000 EDI: f864a000 EBP: f4b65c44 ESP: f4b65c24
[    6.201906]  DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[    6.201910] CR0: 80050033 CR2: 00587024 CR3: 310b72a0 CR4: 000006f0
[    6.201912] Call Trace:
[    6.201925]  ttpci_budget_init+0x26c/0x530 [budget_core]
[    6.201935]  ? budget_av_attach+0x3e/0x4e8 [budget_av]
[    6.201944]  budget_av_attach+0x75/0x4e8 [budget_av]
[    6.201954]  ? vprintk_func+0x29/0x70
[    6.201959]  ? printk+0x13/0x15
[    6.201965]  ? saa7146_init_one+0x69f/0x770 [saa7146]
[    6.201971]  saa7146_init_one+0x70b/0x770 [saa7146]
[    6.201979]  ? __pm_runtime_resume+0x51/0x80
[    6.201985]  pci_device_probe+0xc2/0x160
[    6.201991]  driver_probe_device+0x2d9/0x450
[    6.201996]  __driver_attach+0x99/0xe0
[    6.202000]  ? driver_probe_device+0x450/0x450
[    6.202005]  bus_for_each_dev+0x57/0x90
[    6.202010]  driver_attach+0x19/0x20
[    6.202014]  ? driver_probe_device+0x450/0x450
[    6.202018]  bus_add_driver+0x187/0x230
[    6.202022]  ? 0xf8334000
[    6.202026]  driver_register+0x56/0xd0
[    6.202030]  ? 0xf8334000
[    6.202035]  __pci_register_driver+0x3a/0x40
[    6.202041]  saa7146_register_extension+0x50/0x80 [saa7146]
[    6.202050]  budget_av_init+0x12/0x1000 [budget_av]
[    6.202055]  do_one_initcall+0x46/0x170
[    6.202061]  ? vunmap_page_range+0x13e/0x280
[    6.202067]  ? _cond_resched+0x17/0x40
[    6.202073]  ? kmem_cache_alloc_trace+0x165/0x1d0
[    6.202078]  ? do_init_module+0x21/0x1ec
[    6.202082]  ? do_init_module+0x21/0x1ec
[    6.202087]  do_init_module+0x50/0x1ec
[    6.202092]  load_module+0x1565/0x1a80
[    6.202102]  SyS_finit_module+0x8a/0xe0
[    6.202110]  do_fast_syscall_32+0x71/0x1d0
[    6.202116]  entry_SYSENTER_32+0x4e/0x7c
[    6.202119] EIP: 0xb7eeccf9
[    6.202121] EFLAGS: 00000292 CPU: 3
[    6.202124] EAX: ffffffda EBX: 00000018 ECX: b7cdda71 EDX: 00000000
[    6.202127] ESI: 01547e30 EDI: 0154a2f0 EBP: 00000000 ESP: bfb3355c
[    6.202129]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b
[    6.202133] Code: 50 8b 45 e4 e8 02 ec ff ff 85 c0 59 75 60 8b 45 ec 8d 65 f4 5b 5e 5f 5d c3 66 90 83 3d 2c 1d e7 c5 02 0f 85 4c ff ff ff 8d 76 00 <0f> 0b 8d b6 00 00 00 00 0f 0b 8d b6 00 00 00 00 31 ff 8b 1d b0
[    6.202209] EIP: saa7146_vmalloc_build_pgtable+0x140/0x1020 [saa7146] SS:ESP: 0068:f4b65c24
[    6.202214] ---[ end trace 3619646989f934cf ]---

tags:	added: kernel-bug-exists-upstream
Changed in linux (Ubuntu):
status:	Incomplete → Confirmed

Revision history for this message

Kai-Heng Feng (kaihengfeng) wrote on 2018-01-13:

#5

Please follow [1] to find the first bad -rc kernel.

Then we can use `git bisect` to find the first bad commit.

[1] https://wiki.ubuntu.com/Kernel/KernelBisection

Revision history for this message

TauSo (tauso) wrote on 2018-01-23:

#6

I've tried some of the mainline kernels and finally got to this situation:
last working kernel: v4.11.12 mainline build [1]
first non working kernel: v4.12-rc1 mainline build [2]

Hope that will help to find the bug.

[1] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.11.12/
[2] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.12-rc1/

Revision history for this message

Kai-Heng Feng (kaihengfeng) wrote on 2018-01-26:

#7

Please try kernel here:
http://people.canonical.com/~khfeng/lp1742316/

Revision history for this message

TauSo (tauso) wrote on 2018-01-26:

#8

Thanks for your work, but could you build the kernel for i386 platform, as my system (Atom D2700) does not support amd64 due to bios restrictions?

Revision history for this message

Kai-Heng Feng (kaihengfeng) wrote on 2018-01-26:

#9

There you go,
http://people.canonical.com/~khfeng/lp1742316-i386/

Revision history for this message

TauSo (tauso) wrote on 2018-01-28:

#10

Download full text (3.7 KiB)

Thanks for trying, but unfortunately your kernel does not resolve the problem:

4.13.0-32-generic #35~lp1742316 SMP Fri Jan 26 21:40:59 CST 2018 i686 i686 i686 GNU/Linux

[ 6.429543] ------------[ cut here ]------------
[ 6.429548] kernel BUG at /home/khfeng/Sources/linux-lp1742316-saa7146/drivers/media/common/saa7146/saa7146_core.c:163!
[ 6.429561] invalid opcode: 0000 [#1] SMP
[ 6.429708] Modules linked in: snd_hda_codec_hdmi(+) snd_hda_codec_realtek budget_av(+) saa7146_vv snd_hda_codec_generic budget_core ttpci_eeprom snd_hda_intel saa7146 ppdev videobuf_dma_sg videobuf_core dvb_core v4l2_common snd_hda_codec videodev snd_hda_core snd_hwdep intel_powerclamp media joydev input_leds snd_pcm lpc_ich snd_timer snd soundcore shpchp parport_pc parport nuvoton_cir mac_hid rc_core nct6775 hwmon_vid coretemp ip_tables x_tables autofs4 hid_generic usbhid hid gma500_gfx i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt ahci fb_sys_fops libahci drm r8169 mii video
[ 6.431394] CPU: 3 PID: 306 Comm: systemd-udevd Not tainted 4.13.0-32-generic #35~lp1742316
[ 6.431654] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./AD2700-ITX, BIOS P1.60 04/19/2013
[ 6.431949] task: f5202700 task.stack: f4886000
[ 6.432108] EIP: saa7146_vmalloc_build_pgtable+0x180/0x1020 [saa7146]
[ 6.432301] EFLAGS: 00010246 CPU: 3
[ 6.432406] EAX: f21e2568 EBX: f8365000 ECX: 00000002 EDX: fff1c000
[ 6.432592] ESI: 00000000 EDI: f871f000 EBP: f4887c44 ESP: f4887c20
[ 6.432784] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[ 6.432954] CR0: 80050033 CR2: 00b6e924 CR3: 35048940 CR4: 000006f0
[ 6.433142] Call Trace:
[ 6.433229] ttpci_budget_init+0x26c/0x530 [budget_core]
[ 6.433398] budget_av_attach+0x75/0x4e8 [budget_av]
[ 6.433556] ? vprintk_func+0x29/0x70
[ 6.433666] ? printk+0x13/0x15
[ 6.433767] ? saa7146_init_one+0x69f/0x770 [saa7146]
[ 6.433925] saa7146_init_one+0x70b/0x770 [saa7146]
[ 6.434080] ? __pm_runtime_resume+0x51/0x80
[ 6.434213] pci_device_probe+0xc2/0x160
[ 6.434328] driver_probe_device+0x2b9/0x410
[ 6.434457] __driver_attach+0x99/0xe0
[ 6.434575] ? driver_probe_device+0x410/0x410
[ 6.434708] bus_for_each_dev+0x57/0x90
[ 6.434832] driver_attach+0x19/0x20
[ 6.434937] ? driver_probe_device+0x410/0x410
[ 6.440934] bus_add_driver+0x187/0x230
[ 6.440938] ? 0xf8522000
[ 6.440943] driver_register+0x56/0xd0
[ 6.440946] ? 0xf8522000
[ 6.440950] __pci_register_driver+0x33/0x40
[ 6.440957] saa7146_register_extension+0x50/0x80 [saa7146]
[ 6.440966] budget_av_init+0xd/0x1000 [budget_av]
[ 6.440971] do_one_initcall+0x46/0x180
[ 6.440977] ? kfree+0x134/0x140
[ 6.440980] ? kfree+0x134/0x140
[ 6.440983] ? kfree+0x134/0x140
[ 6.440987] ? kmem_cache_alloc_trace+0x13d/0x1a0
[ 6.440992] ? do_init_module+0x21/0x1cc
[ 6.440995] ? do_init_module+0x21/0x1cc
[ 6.441000] do_init_module+0x50/0x1cc
[ 6.441004] load_module+0x1533/0x1aa0
[ 6.441011] ? kernel_read_file+0x26e/0x2a0
[ 6.441018] SyS_finit_module+0x8a/0xe0
[ 6.441025] do_fast_syscall_32+0x71/0x150
[ 6.441032] entry_SYSENTER_32+0x4e/0x7c
[ ...

Thanks for trying, but unfortunately your kernel does not resolve the problem:

4.13.0-32-generic #35~lp1742316 SMP Fri Jan 26 21:40:59 CST 2018 i686 i686 i686 GNU/Linux

[    6.429543] ------------[ cut here ]------------
[    6.429548] kernel BUG at /home/khfeng/Sources/linux-lp1742316-saa7146/drivers/media/common/saa7146/saa7146_core.c:163!
[    6.429561] invalid opcode: 0000 [#1] SMP
[    6.429708] Modules linked in: snd_hda_codec_hdmi(+) snd_hda_codec_realtek budget_av(+) saa7146_vv snd_hda_codec_generic budget_core ttpci_eeprom snd_hda_intel saa7146 ppdev videobuf_dma_sg videobuf_core dvb_core v4l2_common snd_hda_codec videodev snd_hda_core snd_hwdep intel_powerclamp media joydev input_leds snd_pcm lpc_ich snd_timer snd soundcore shpchp parport_pc parport nuvoton_cir mac_hid rc_core nct6775 hwmon_vid coretemp ip_tables x_tables autofs4 hid_generic usbhid hid gma500_gfx i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt ahci fb_sys_fops libahci drm r8169 mii video
[    6.431394] CPU: 3 PID: 306 Comm: systemd-udevd Not tainted 4.13.0-32-generic #35~lp1742316
[    6.431654] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./AD2700-ITX, BIOS P1.60 04/19/2013
[    6.431949] task: f5202700 task.stack: f4886000
[    6.432108] EIP: saa7146_vmalloc_build_pgtable+0x180/0x1020 [saa7146]
[    6.432301] EFLAGS: 00010246 CPU: 3
[    6.432406] EAX: f21e2568 EBX: f8365000 ECX: 00000002 EDX: fff1c000
[    6.432592] ESI: 00000000 EDI: f871f000 EBP: f4887c44 ESP: f4887c20
[    6.432784]  DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[    6.432954] CR0: 80050033 CR2: 00b6e924 CR3: 35048940 CR4: 000006f0
[    6.433142] Call Trace:
[    6.433229]  ttpci_budget_init+0x26c/0x530 [budget_core]
[    6.433398]  budget_av_attach+0x75/0x4e8 [budget_av]
[    6.433556]  ? vprintk_func+0x29/0x70
[    6.433666]  ? printk+0x13/0x15
[    6.433767]  ? saa7146_init_one+0x69f/0x770 [saa7146]
[    6.433925]  saa7146_init_one+0x70b/0x770 [saa7146]
[    6.434080]  ? __pm_runtime_resume+0x51/0x80
[    6.434213]  pci_device_probe+0xc2/0x160
[    6.434328]  driver_probe_device+0x2b9/0x410
[    6.434457]  __driver_attach+0x99/0xe0
[    6.434575]  ? driver_probe_device+0x410/0x410
[    6.434708]  bus_for_each_dev+0x57/0x90
[    6.434832]  driver_attach+0x19/0x20
[    6.434937]  ? driver_probe_device+0x410/0x410
[    6.440934]  bus_add_driver+0x187/0x230
[    6.440938]  ? 0xf8522000
[    6.440943]  driver_register+0x56/0xd0
[    6.440946]  ? 0xf8522000
[    6.440950]  __pci_register_driver+0x33/0x40
[    6.440957]  saa7146_register_extension+0x50/0x80 [saa7146]
[    6.440966]  budget_av_init+0xd/0x1000 [budget_av]
[    6.440971]  do_one_initcall+0x46/0x180
[    6.440977]  ? kfree+0x134/0x140
[    6.440980]  ? kfree+0x134/0x140
[    6.440983]  ? kfree+0x134/0x140
[    6.440987]  ? kmem_cache_alloc_trace+0x13d/0x1a0
[    6.440992]  ? do_init_module+0x21/0x1cc
[    6.440995]  ? do_init_module+0x21/0x1cc
[    6.441000]  do_init_module+0x50/0x1cc
[    6.441004]  load_module+0x1533/0x1aa0
[    6.441011]  ? kernel_read_file+0x26e/0x2a0
[    6.441018]  SyS_finit_module+0x8a/0xe0
[    6.441025]  do_fast_syscall_32+0x71/0x150
[    6.441032]  entry_SYSENTER_32+0x4e/0x7c
[    6.441034] EIP: 0xb7f5acf9
[    6.441036] EFLAGS: 00000292 CPU: 3
[    6.441039] EAX: ffffffda EBX: 00000018 ECX: b7d4ba71 EDX: 00000000
[    6.441042] ESI: 01a60ec0 EDI: 01a5e940 EBP: 00000000 ESP: bfc713bc
[    6.441045]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b
[    6.441049] Code: e8 e8 c5 eb ff ff 85 c0 59 75 7c 8b 45 ec 8d 65 f4 5b 5e 5f 5d c3 90 8d 74 26 00 83 3d f0 ec e1 dd 02 0f 85 07 ff ff ff 8d 76 00 <0f> 0b 8d b6 00 00 00 00 0f 0b 8d b6 00 00 00 00 c7 45 dc 00 00
[    6.441125] EIP: saa7146_vmalloc_build_pgtable+0x180/0x1020 [saa7146] SS:ESP: 0068:f4887c20
[    6.441210] ---[ end trace 4087a60d1b1a4971 ]---

Revision history for this message

Kai-Heng Feng (kaihengfeng) wrote on 2018-01-30:

#11

$ git clone git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
$ cd linux
$ git bisect start
$ git bisect good v4.11
$ git bisect bad v4.12-rc1
$ make localmodconfig
$ make -j`nproc` deb-pkg
Install the newly built kernel.
If the issue still happens,
$ git bisect bad
Otherwise,
$ git bisect good
Repeat to "make -j`nproc` deb-pkg" until you find the commit that causes the regression.

Revision history for this message

TauSo (tauso) wrote on 2018-02-02:

#12

It took 14 steps, but finally here is the possible culprit:

19809c2da28aee5860ad9a2eff760730a0710df0 is the first bad commit
commit 19809c2da28aee5860ad9a2eff760730a0710df0
Author: Michal Hocko <email address hidden>
Date: Mon May 8 15:57:44 2017 -0700

mm, vmalloc: use __GFP_HIGHMEM implicitly

__vmalloc* allows users to provide gfp flags for the underlying
allocation. This API is quite popular

$ git grep "=[[:space:]]__vmalloc\|return[[:space:]]*__vmalloc" | wc -l
77

    The only problem is that many people are not aware that they really want
    to give __GFP_HIGHMEM along with other flags because there is really no
    reason to consume precious lowmemory on CONFIG_HIGHMEM systems for pages
    which are mapped to the kernel vmalloc space. About half of users don't
    use this flag, though. This signals that we make the API unnecessarily
    too complex.

    This patch simply uses __GFP_HIGHMEM implicitly when allocating pages to
    be mapped to the vmalloc space. Current users which add __GFP_HIGHMEM
    are simplified and drop the flag.

    Link: http://<email address hidden>
    Signed-off-by: Michal Hocko <email address hidden>
    Reviewed-by: Matthew Wilcox <email address hidden>
    Cc: Al Viro <email address hidden>
    Cc: Vlastimil Babka <email address hidden>
    Cc: David Rientjes <email address hidden>
    Cc: Cristopher Lameter <email address hidden>
    Signed-off-by: Andrew Morton <email address hidden>
    Signed-off-by: Linus Torvalds <email address hidden>

:040000 040000 5cdc1c298cd62f74b76602846ce13ef386b06f22 d35baa52e7f078b35eb659fe2926c20c0867ed9e M arch
:040000 040000 045c832d50bf5255b42bdb0f28b09d36087a10eb 72610cae50071293567c229360546df0b99baae4 M drivers
:040000 040000 11f420f52bd9613ce1a1b0b01e3cbbd287a7b729 d3b957b5a886ba12041462588c323521961f368e M fs
:040000 040000 035a87f5c946730440625485bab4283ba03cbf3a 311929864121b80809596cc34d36b83bd6b8b9a6 M include
:040000 040000 46bcc13bebdc7f704db764542b6fae0a6362f64d c5674e6547e15e4a879576971fab242e1513e7e2 M kernel
:040000 040000 e11579b380817b207dd328539bbfa23723d7af95 ffc174b7261fcffcd52bfac24994469ccf5c7d12 M mm
:040000 040000 8357adc979b4be710b3d295425ac8c7ecd31b34d 31058e41d6828bcd7a9c9daf7a45cfa46dcd3ec4 M net

It took 14 steps, but finally here is the possible culprit:

19809c2da28aee5860ad9a2eff760730a0710df0 is the first bad commit
commit 19809c2da28aee5860ad9a2eff760730a0710df0
Author: Michal Hocko <mhocko@suse.com>
Date:   Mon May 8 15:57:44 2017 -0700

mm, vmalloc: use __GFP_HIGHMEM implicitly
    
    __vmalloc* allows users to provide gfp flags for the underlying
    allocation.  This API is quite popular
    
      $ git grep "=[[:space:]]__vmalloc\|return[[:space:]]*__vmalloc" | wc -l
      77
    
    The only problem is that many people are not aware that they really want
    to give __GFP_HIGHMEM along with other flags because there is really no
    reason to consume precious lowmemory on CONFIG_HIGHMEM systems for pages
    which are mapped to the kernel vmalloc space.  About half of users don't
    use this flag, though.  This signals that we make the API unnecessarily
    too complex.
    
    This patch simply uses __GFP_HIGHMEM implicitly when allocating pages to
    be mapped to the vmalloc space.  Current users which add __GFP_HIGHMEM
    are simplified and drop the flag.
    
    Link: http://lkml.kernel.org/r/20170307141020.29107-1-mhocko@kernel.org
    Signed-off-by: Michal Hocko <mhocko@suse.com>
    Reviewed-by: Matthew Wilcox <mawilcox@microsoft.com>
    Cc: Al Viro <viro@zeniv.linux.org.uk>
    Cc: Vlastimil Babka <vbabka@suse.cz>
    Cc: David Rientjes <rientjes@google.com>
    Cc: Cristopher Lameter <cl@linux.com>
    Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

:040000 040000 5cdc1c298cd62f74b76602846ce13ef386b06f22 d35baa52e7f078b35eb659fe2926c20c0867ed9e M	arch
:040000 040000 045c832d50bf5255b42bdb0f28b09d36087a10eb 72610cae50071293567c229360546df0b99baae4 M	drivers
:040000 040000 11f420f52bd9613ce1a1b0b01e3cbbd287a7b729 d3b957b5a886ba12041462588c323521961f368e M	fs
:040000 040000 035a87f5c946730440625485bab4283ba03cbf3a 311929864121b80809596cc34d36b83bd6b8b9a6 M	include
:040000 040000 46bcc13bebdc7f704db764542b6fae0a6362f64d c5674e6547e15e4a879576971fab242e1513e7e2 M	kernel
:040000 040000 e11579b380817b207dd328539bbfa23723d7af95 ffc174b7261fcffcd52bfac24994469ccf5c7d12 M	mm
:040000 040000 8357adc979b4be710b3d295425ac8c7ecd31b34d 31058e41d6828bcd7a9c9daf7a45cfa46dcd3ec4 M	net

Revision history for this message

Kai-Heng Feng (kaihengfeng) wrote on 2018-02-04:

#13

Please try this kernel,
http://people.canonical.com/~khfeng/lp1742316-i386-2/

Revision history for this message

Kai-Heng Feng (kaihengfeng) wrote on 2018-02-04:

#14

Hmm I think my previous kernel won't work because your system is 32bit.
I'll build a new one soon.

Revision history for this message

TauSo (tauso) wrote on 2018-02-04:

#15

Download full text (3.7 KiB)

Unfortunately it's not working, but the bug is at another codeline, so maybe another problem? Or the same problem is in the code multiple times?

------------[ cut here ]------------
[ 5.990508] kernel BUG at /home/khfeng/Sources/linux-lp1742316-saa7146/drivers/media/common/saa7146/saa7146_core.c:166!
[ 5.990519] invalid opcode: 0000 [#1] SMP
[ 5.990521] Modules linked in: ppdev snd_hda_codec_realtek(+) snd_hda_codec_generic budget_av(+) saa7146_vv snd_hda_intel budget_core ttpci_eeprom snd_hda_codec saa7146 snd_hda_core videobuf_dma_sg videobuf_core snd_hwdep dvb_core snd_pcm v4l2_common snd_timer videodev snd intel_powerclamp joydev media lpc_ich input_leds soundcore shpchp parport_pc nuvoton_cir parport rc_core mac_hid nct6775 hwmon_vid coretemp ip_tables x_tables autofs4 hid_generic usbhid hid gma500_gfx i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt r8169 ahci fb_sys_fops drm libahci mii video
[ 5.990587] CPU: 1 PID: 301 Comm: systemd-udevd Not tainted 4.13.0-33-generic #36
[ 5.990589] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./AD2700-ITX, BIOS P1.60 04/19/2013
[ 5.990591] task: f49bf500 task.stack: f4986000
[ 5.990601] EIP: saa7146_vmalloc_build_pgtable+0x188/0x1020 [saa7146]
[ 5.990603] EFLAGS: 00010246 CPU: 1
[ 5.990605] EAX: f1ce7d88 EBX: f8236000 ECX: 00000002 EDX: fff1c000
[ 5.990608] ESI: 00000000 EDI: f84f2000 EBP: f4987c44 ESP: f4987c20
[ 5.990610] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[ 5.990613] CR0: 80050033 CR2: b7b6715c CR3: 34935d60 CR4: 000006f0
[ 5.990615] Call Trace:
[ 5.990627] ttpci_budget_init+0x26c/0x530 [budget_core]
[ 5.990637] budget_av_attach+0x75/0x4e8 [budget_av]
[ 5.990646] ? vprintk_func+0x29/0x70
[ 5.990650] ? printk+0x13/0x15
[ 5.990655] ? saa7146_init_one+0x69f/0x770 [saa7146]
[ 5.990661] saa7146_init_one+0x70b/0x770 [saa7146]
[ 5.990667] ? __pm_runtime_resume+0x51/0x80
[ 5.990673] pci_device_probe+0xc2/0x160
[ 5.990679] driver_probe_device+0x2b9/0x410
[ 5.990683] __driver_attach+0x99/0xe0
[ 5.990687] ? driver_probe_device+0x410/0x410
[ 5.990691] bus_for_each_dev+0x57/0x90
[ 5.990695] driver_attach+0x19/0x20
[ 5.990698] ? driver_probe_device+0x410/0x410
[ 5.990702] bus_add_driver+0x187/0x230
[ 5.990705] ? 0xf826e000
[ 5.990709] driver_register+0x56/0xd0
[ 5.990712] ? 0xf826e000
[ 5.990715] __pci_register_driver+0x33/0x40
[ 5.990721] saa7146_register_extension+0x50/0x80 [saa7146]
[ 5.990730] budget_av_init+0xd/0x1000 [budget_av]
[ 5.990735] do_one_initcall+0x46/0x180
[ 5.990741] ? vunmap_page_range+0x13e/0x280
[ 5.990746] ? kvfree+0x45/0x50
[ 5.990750] ? kmem_cache_alloc_trace+0x13d/0x1a0
[ 5.990754] ? do_init_module+0x21/0x1cc
[ 5.990758] ? do_init_module+0x21/0x1cc
[ 5.990762] do_init_module+0x50/0x1cc
[ 5.990765] load_module+0x1533/0x1aa0
[ 5.990772] ? kernel_read_file+0x26e/0x2a0
[ 5.990778] SyS_finit_module+0x8a/0xe0
[ 5.990785] do_fast_syscall_32+0x71/0x150
[ 5.990791] entry_SYSENTER_32+0x4e/0x7c
[ 5.990794] EIP: 0xb7f5acf9
[ 5.990795] EFLAGS: 00000296 CPU: 1
[ 5.990798] EAX: ffffff...

Unfortunately it's not working, but the bug is at another codeline, so maybe another problem? Or the same problem is in the code multiple times?

------------[ cut here ]------------
[    5.990508] kernel BUG at /home/khfeng/Sources/linux-lp1742316-saa7146/drivers/media/common/saa7146/saa7146_core.c:166!
[    5.990519] invalid opcode: 0000 [#1] SMP
[    5.990521] Modules linked in: ppdev snd_hda_codec_realtek(+) snd_hda_codec_generic budget_av(+) saa7146_vv snd_hda_intel budget_core ttpci_eeprom snd_hda_codec saa7146 snd_hda_core videobuf_dma_sg videobuf_core snd_hwdep dvb_core snd_pcm v4l2_common snd_timer videodev snd intel_powerclamp joydev media lpc_ich input_leds soundcore shpchp parport_pc nuvoton_cir parport rc_core mac_hid nct6775 hwmon_vid coretemp ip_tables x_tables autofs4 hid_generic usbhid hid gma500_gfx i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt r8169 ahci fb_sys_fops drm libahci mii video
[    5.990587] CPU: 1 PID: 301 Comm: systemd-udevd Not tainted 4.13.0-33-generic #36
[    5.990589] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./AD2700-ITX, BIOS P1.60 04/19/2013
[    5.990591] task: f49bf500 task.stack: f4986000
[    5.990601] EIP: saa7146_vmalloc_build_pgtable+0x188/0x1020 [saa7146]
[    5.990603] EFLAGS: 00010246 CPU: 1
[    5.990605] EAX: f1ce7d88 EBX: f8236000 ECX: 00000002 EDX: fff1c000
[    5.990608] ESI: 00000000 EDI: f84f2000 EBP: f4987c44 ESP: f4987c20
[    5.990610]  DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[    5.990613] CR0: 80050033 CR2: b7b6715c CR3: 34935d60 CR4: 000006f0
[    5.990615] Call Trace:
[    5.990627]  ttpci_budget_init+0x26c/0x530 [budget_core]
[    5.990637]  budget_av_attach+0x75/0x4e8 [budget_av]
[    5.990646]  ? vprintk_func+0x29/0x70
[    5.990650]  ? printk+0x13/0x15
[    5.990655]  ? saa7146_init_one+0x69f/0x770 [saa7146]
[    5.990661]  saa7146_init_one+0x70b/0x770 [saa7146]
[    5.990667]  ? __pm_runtime_resume+0x51/0x80
[    5.990673]  pci_device_probe+0xc2/0x160
[    5.990679]  driver_probe_device+0x2b9/0x410
[    5.990683]  __driver_attach+0x99/0xe0
[    5.990687]  ? driver_probe_device+0x410/0x410
[    5.990691]  bus_for_each_dev+0x57/0x90
[    5.990695]  driver_attach+0x19/0x20
[    5.990698]  ? driver_probe_device+0x410/0x410
[    5.990702]  bus_add_driver+0x187/0x230
[    5.990705]  ? 0xf826e000
[    5.990709]  driver_register+0x56/0xd0
[    5.990712]  ? 0xf826e000
[    5.990715]  __pci_register_driver+0x33/0x40
[    5.990721]  saa7146_register_extension+0x50/0x80 [saa7146]
[    5.990730]  budget_av_init+0xd/0x1000 [budget_av]
[    5.990735]  do_one_initcall+0x46/0x180
[    5.990741]  ? vunmap_page_range+0x13e/0x280
[    5.990746]  ? kvfree+0x45/0x50
[    5.990750]  ? kmem_cache_alloc_trace+0x13d/0x1a0
[    5.990754]  ? do_init_module+0x21/0x1cc
[    5.990758]  ? do_init_module+0x21/0x1cc
[    5.990762]  do_init_module+0x50/0x1cc
[    5.990765]  load_module+0x1533/0x1aa0
[    5.990772]  ? kernel_read_file+0x26e/0x2a0
[    5.990778]  SyS_finit_module+0x8a/0xe0
[    5.990785]  do_fast_syscall_32+0x71/0x150
[    5.990791]  entry_SYSENTER_32+0x4e/0x7c
[    5.990794] EIP: 0xb7f5acf9
[    5.990795] EFLAGS: 00000296 CPU: 1
[    5.990798] EAX: ffffffda EBX: 00000018 ECX: b7d4ba71 EDX: 00000000
[    5.990800] ESI: 0241e980 EDI: 02417940 EBP: 00000000 ESP: bffc10ac
[    5.990803]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b
[    5.990806] Code: e8 e8 bd eb ff ff 85 c0 59 75 7c 8b 45 ec 8d 65 f4 5b 5e 5f 5d c3 90 8d 74 26 00 83 3d f0 ec e1 d3 02 0f 85 0c ff ff ff 8d 76 00 <0f> 0b 8d b6 00 00 00 00 0f 0b 8d b6 00 00 00 00 c7 45 dc 00 00
[    5.990875] EIP: saa7146_vmalloc_build_pgtable+0x188/0x1020 [saa7146] SS:ESP: 0068:f4987c20
[    5.990879] ---[ end trace b40ecb3f8210604e ]---

Revision history for this message

Kai-Heng Feng (kaihengfeng) wrote on 2018-02-05:

#16

We need to use GFP_DMA32 for vmalloc, please try this kernel,

people.canonical.com/~khfeng/lp1742316-dma32/

Revision history for this message

TauSo (tauso) wrote on 2018-02-05:

#17

Download full text (3.6 KiB)

Thanks for your work, but the bug is still triggered - new codeline at least ;-)

[ 5.405637] ------------[ cut here ]------------
[ 5.405643] kernel BUG at /home/khfeng/Sources/linux-lp1742316-saa7146/drivers/media/common/saa7146/saa7146_core.c:164!
[ 5.405671] invalid opcode: 0000 [#1] SMP
[ 5.405677] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek budget_av(+) snd_hda_codec_generic saa7146_vv snd_hda_intel budget_core ttpci_eeprom snd_hda_codec snd_hda_core saa7146 videobuf_dma_sg videobuf_core dvb_core snd_hwdep v4l2_common intel_powerclamp snd_pcm videodev snd_timer media joydev snd input_leds lpc_ich soundcore shpchp mac_hid nct6775 hwmon_vid coretemp ip_tables x_tables autofs4 hid_generic gma500_gfx usbhid hid i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt ahci r8169 fb_sys_fops libahci drm mii video
[ 5.405763] CPU: 0 PID: 288 Comm: systemd-udevd Not tainted 4.14.0-17-generic #20
[ 5.405769] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./AD2700-ITX, BIOS P1.60 04/19/2013
[ 5.405776] task: f11b30c0 task.stack: f48c8000
[ 5.405789] EIP: saa7146_vmalloc_build_pgtable+0x190/0x1020 [saa7146]
[ 5.405794] EFLAGS: 00010246 CPU: 0
[ 5.405800] EAX: f22dd620 EBX: f8272000 ECX: 00000002 EDX: fff1c000
[ 5.405806] ESI: 00000000 EDI: f84a4000 EBP: f48c9c44 ESP: f48c9c20
[ 5.405811] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[ 5.405817] CR0: 80050033 CR2: 017c7cf4 CR3: 313aa640 CR4: 000006f0
[ 5.405822] Call Trace:
[ 5.405838] ttpci_budget_init+0x26c/0x530 [budget_core]
[ 5.405851] ? budget_av_attach+0x3e/0x4e8 [budget_av]
[ 5.405864] budget_av_attach+0x75/0x4e8 [budget_av]
[ 5.405878] ? vprintk_func+0x29/0x70
[ 5.405886] ? printk+0x13/0x15
[ 5.405895] ? saa7146_init_one+0x69f/0x770 [saa7146]
[ 5.405906] saa7146_init_one+0x70b/0x770 [saa7146]
[ 5.405919] ? __pm_runtime_resume+0x51/0x80
[ 5.405929] pci_device_probe+0xc2/0x160
[ 5.405940] driver_probe_device+0x2b9/0x410
[ 5.405949] __driver_attach+0x99/0xe0
[ 5.405958] ? driver_probe_device+0x410/0x410
[ 5.405966] bus_for_each_dev+0x57/0x90
[ 5.405975] driver_attach+0x19/0x20
[ 5.405982] ? driver_probe_device+0x410/0x410
[ 5.405990] bus_add_driver+0x187/0x230
[ 5.405997] ? 0xf8727000
[ 5.406004] driver_register+0x56/0xd0
[ 5.406011] ? 0xf8727000
[ 5.406018] __pci_register_driver+0x3a/0x40
[ 5.406029] saa7146_register_extension+0x50/0x80 [saa7146]
[ 5.406043] budget_av_init+0xd/0x1000 [budget_av]
[ 5.406053] do_one_initcall+0x46/0x180
[ 5.406063] ? kfree+0x155/0x170
[ 5.406071] ? kfree+0x155/0x170
[ 5.406078] ? kmem_cache_alloc_trace+0x165/0x1d0
[ 5.406086] ? do_init_module+0x21/0x1cc
[ 5.406093] ? do_init_module+0x21/0x1cc
[ 5.406102] do_init_module+0x50/0x1cc
[ 5.406110] load_module+0x1565/0x1a80
[ 5.406124] SyS_finit_module+0x8a/0xe0
[ 5.406135] do_fast_syscall_32+0x71/0x1d0
[ 5.406145] entry_SYSENTER_32+0x4e/0x7c
[ 5.406151] EIP: 0xb7f3ecf9
[ 5.406156] EFLAGS: 00000296 CPU: 0
[ 5.406162] EAX: ffffffda EBX: 00000018 ECX: b7d2fa71 EDX: 00000000
[ 5.406167] ESI: 017bc9d0 EDI: ...

Thanks for your work, but the bug is still triggered - new codeline at least ;-)

[    5.405637] ------------[ cut here ]------------
[    5.405643] kernel BUG at /home/khfeng/Sources/linux-lp1742316-saa7146/drivers/media/common/saa7146/saa7146_core.c:164!
[    5.405671] invalid opcode: 0000 [#1] SMP
[    5.405677] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek budget_av(+) snd_hda_codec_generic saa7146_vv snd_hda_intel budget_core ttpci_eeprom snd_hda_codec snd_hda_core saa7146 videobuf_dma_sg videobuf_core dvb_core snd_hwdep v4l2_common intel_powerclamp snd_pcm videodev snd_timer media joydev snd input_leds lpc_ich soundcore shpchp mac_hid nct6775 hwmon_vid coretemp ip_tables x_tables autofs4 hid_generic gma500_gfx usbhid hid i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt ahci r8169 fb_sys_fops libahci drm mii video
[    5.405763] CPU: 0 PID: 288 Comm: systemd-udevd Not tainted 4.14.0-17-generic #20
[    5.405769] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./AD2700-ITX, BIOS P1.60 04/19/2013
[    5.405776] task: f11b30c0 task.stack: f48c8000
[    5.405789] EIP: saa7146_vmalloc_build_pgtable+0x190/0x1020 [saa7146]
[    5.405794] EFLAGS: 00010246 CPU: 0
[    5.405800] EAX: f22dd620 EBX: f8272000 ECX: 00000002 EDX: fff1c000
[    5.405806] ESI: 00000000 EDI: f84a4000 EBP: f48c9c44 ESP: f48c9c20
[    5.405811]  DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[    5.405817] CR0: 80050033 CR2: 017c7cf4 CR3: 313aa640 CR4: 000006f0
[    5.405822] Call Trace:
[    5.405838]  ttpci_budget_init+0x26c/0x530 [budget_core]
[    5.405851]  ? budget_av_attach+0x3e/0x4e8 [budget_av]
[    5.405864]  budget_av_attach+0x75/0x4e8 [budget_av]
[    5.405878]  ? vprintk_func+0x29/0x70
[    5.405886]  ? printk+0x13/0x15
[    5.405895]  ? saa7146_init_one+0x69f/0x770 [saa7146]
[    5.405906]  saa7146_init_one+0x70b/0x770 [saa7146]
[    5.405919]  ? __pm_runtime_resume+0x51/0x80
[    5.405929]  pci_device_probe+0xc2/0x160
[    5.405940]  driver_probe_device+0x2b9/0x410
[    5.405949]  __driver_attach+0x99/0xe0
[    5.405958]  ? driver_probe_device+0x410/0x410
[    5.405966]  bus_for_each_dev+0x57/0x90
[    5.405975]  driver_attach+0x19/0x20
[    5.405982]  ? driver_probe_device+0x410/0x410
[    5.405990]  bus_add_driver+0x187/0x230
[    5.405997]  ? 0xf8727000
[    5.406004]  driver_register+0x56/0xd0
[    5.406011]  ? 0xf8727000
[    5.406018]  __pci_register_driver+0x3a/0x40
[    5.406029]  saa7146_register_extension+0x50/0x80 [saa7146]
[    5.406043]  budget_av_init+0xd/0x1000 [budget_av]
[    5.406053]  do_one_initcall+0x46/0x180
[    5.406063]  ? kfree+0x155/0x170
[    5.406071]  ? kfree+0x155/0x170
[    5.406078]  ? kmem_cache_alloc_trace+0x165/0x1d0
[    5.406086]  ? do_init_module+0x21/0x1cc
[    5.406093]  ? do_init_module+0x21/0x1cc
[    5.406102]  do_init_module+0x50/0x1cc
[    5.406110]  load_module+0x1565/0x1a80
[    5.406124]  SyS_finit_module+0x8a/0xe0
[    5.406135]  do_fast_syscall_32+0x71/0x1d0
[    5.406145]  entry_SYSENTER_32+0x4e/0x7c
[    5.406151] EIP: 0xb7f3ecf9
[    5.406156] EFLAGS: 00000296 CPU: 0
[    5.406162] EAX: ffffffda EBX: 00000018 ECX: b7d2fa71 EDX: 00000000
[    5.406167] ESI: 017bc9d0 EDI: 017b9310 EBP: 00000000 ESP: bf9ab29c
[    5.406173]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b
[    5.406180] Code: e8 e8 b5 eb ff ff 85 c0 59 75 7c 8b 45 ec 8d 65 f4 5b 5e 5f 5d c3 90 8d 74 26 00 83 3d f0 6d e5 c8 02 0f 85 08 ff ff ff 8d 76 00 <0f> 0b 8d b6 00 00 00 00 0f 0b 8d b6 00 00 00 00 c7 45 dc 00 00
[    5.406289] EIP: saa7146_vmalloc_build_pgtable+0x190/0x1020 [saa7146] SS:ESP: 0068:f48c9c20
[    5.406319] ---[ end trace e0fc7bfda2220079 ]---

Revision history for this message

Kai-Heng Feng (kaihengfeng) wrote on 2018-02-06:

#18

Hmmpf, please try this one,
people.canonical.com/~khfeng/lp1742316-dma/

Revision history for this message

TauSo (tauso) wrote on 2018-02-06:

#19

Download full text (3.6 KiB)

Sorry, this won't do it.
Can I help with some other logfiles?

[ 5.493739] ------------[ cut here ]------------
[ 5.493742] kernel BUG at /home/khfeng/Sources/linux-lp1742316-saa7146/drivers/media/common/saa7146/saa7146_core.c:164!
[ 5.493760] invalid opcode: 0000 [#1] SMP
[ 5.493764] Modules linked in: budget_av(+) saa7146_vv snd_hda_codec_hdmi budget_core snd_hda_codec_realtek ttpci_eeprom snd_hda_codec_generic saa7146 snd_hda_intel snd_hda_codec videobuf_dma_sg videobuf_core snd_hda_core dvb_core snd_hwdep v4l2_common snd_pcm intel_powerclamp snd_timer videodev joydev snd media input_leds soundcore lpc_ich shpchp mac_hid nct6775 hwmon_vid coretemp ip_tables x_tables autofs4 hid_generic usbhid hid gma500_gfx i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ahci drm r8169 libahci mii video
[ 5.493848] CPU: 2 PID: 290 Comm: systemd-udevd Not tainted 4.14.0-17-generic #20
[ 5.493853] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./AD2700-ITX, BIOS P1.60 04/19/2013
[ 5.493860] task: f10e8000 task.stack: f4a00000
[ 5.493872] EIP: saa7146_vmalloc_build_pgtable+0x190/0x1020 [saa7146]
[ 5.493876] EFLAGS: 00010246 CPU: 2
[ 5.493881] EAX: f22dd8f0 EBX: f8271000 ECX: 00000002 EDX: fff1c000
[ 5.493886] ESI: 00000000 EDI: f868d000 EBP: f4a01c44 ESP: f4a01c20
[ 5.493892] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[ 5.493897] CR0: 80050033 CR2: 004f0860 CR3: 35389b00 CR4: 000006f0
[ 5.493901] Call Trace:
[ 5.493915] ttpci_budget_init+0x26c/0x530 [budget_core]
[ 5.493927] ? budget_av_attach+0x3e/0x4e8 [budget_av]
[ 5.493938] budget_av_attach+0x75/0x4e8 [budget_av]
[ 5.493950] ? vprintk_func+0x29/0x70
[ 5.493956] ? printk+0x13/0x15
[ 5.493964] ? saa7146_init_one+0x69f/0x770 [saa7146]
[ 5.493973] saa7146_init_one+0x70b/0x770 [saa7146]
[ 5.493982] ? __pm_runtime_resume+0x51/0x80
[ 5.493991] pci_device_probe+0xc2/0x160
[ 5.493998] driver_probe_device+0x2b9/0x410
[ 5.494006] __driver_attach+0x99/0xe0
[ 5.494012] ? driver_probe_device+0x410/0x410
[ 5.494018] bus_for_each_dev+0x57/0x90
[ 5.494025] driver_attach+0x19/0x20
[ 5.494031] ? driver_probe_device+0x410/0x410
[ 5.494037] bus_add_driver+0x187/0x230
[ 5.494043] ? 0xf8512000
[ 5.494049] driver_register+0x56/0xd0
[ 5.494055] ? 0xf8512000
[ 5.494061] __pci_register_driver+0x3a/0x40
[ 5.494069] saa7146_register_extension+0x50/0x80 [saa7146]
[ 5.494080] budget_av_init+0xd/0x1000 [budget_av]
[ 5.494087] do_one_initcall+0x46/0x180
[ 5.494094] ? __schedule+0x298/0x8c0
[ 5.494101] ? vunmap_page_range+0x13e/0x280
[ 5.494109] ? kmem_cache_alloc_trace+0x165/0x1d0
[ 5.494116] ? do_init_module+0x21/0x1cc
[ 5.494122] ? do_init_module+0x21/0x1cc
[ 5.494129] do_init_module+0x50/0x1cc
[ 5.494136] load_module+0x1565/0x1a80
[ 5.494148] SyS_finit_module+0x8a/0xe0
[ 5.494157] do_fast_syscall_32+0x71/0x1d0
[ 5.494164] entry_SYSENTER_32+0x4e/0x7c
[ 5.494169] EIP: 0xb7f30cf9
[ 5.494173] EFLAGS: 00000296 CPU: 2
[ 5.494178] EAX: ffffffda EBX: 00000018 ECX: b7d21a71 EDX: 00000000
[ 5.494183] ESI: 02293da0 EDI: 02...

Sorry, this won't do it.
Can I help with some other logfiles?

[    5.493739] ------------[ cut here ]------------
[    5.493742] kernel BUG at /home/khfeng/Sources/linux-lp1742316-saa7146/drivers/media/common/saa7146/saa7146_core.c:164!
[    5.493760] invalid opcode: 0000 [#1] SMP
[    5.493764] Modules linked in: budget_av(+) saa7146_vv snd_hda_codec_hdmi budget_core snd_hda_codec_realtek ttpci_eeprom snd_hda_codec_generic saa7146 snd_hda_intel snd_hda_codec videobuf_dma_sg videobuf_core snd_hda_core dvb_core snd_hwdep v4l2_common snd_pcm intel_powerclamp snd_timer videodev joydev snd media input_leds soundcore lpc_ich shpchp mac_hid nct6775 hwmon_vid coretemp ip_tables x_tables autofs4 hid_generic usbhid hid gma500_gfx i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ahci drm r8169 libahci mii video
[    5.493848] CPU: 2 PID: 290 Comm: systemd-udevd Not tainted 4.14.0-17-generic #20
[    5.493853] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./AD2700-ITX, BIOS P1.60 04/19/2013
[    5.493860] task: f10e8000 task.stack: f4a00000
[    5.493872] EIP: saa7146_vmalloc_build_pgtable+0x190/0x1020 [saa7146]
[    5.493876] EFLAGS: 00010246 CPU: 2
[    5.493881] EAX: f22dd8f0 EBX: f8271000 ECX: 00000002 EDX: fff1c000
[    5.493886] ESI: 00000000 EDI: f868d000 EBP: f4a01c44 ESP: f4a01c20
[    5.493892]  DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[    5.493897] CR0: 80050033 CR2: 004f0860 CR3: 35389b00 CR4: 000006f0
[    5.493901] Call Trace:
[    5.493915]  ttpci_budget_init+0x26c/0x530 [budget_core]
[    5.493927]  ? budget_av_attach+0x3e/0x4e8 [budget_av]
[    5.493938]  budget_av_attach+0x75/0x4e8 [budget_av]
[    5.493950]  ? vprintk_func+0x29/0x70
[    5.493956]  ? printk+0x13/0x15
[    5.493964]  ? saa7146_init_one+0x69f/0x770 [saa7146]
[    5.493973]  saa7146_init_one+0x70b/0x770 [saa7146]
[    5.493982]  ? __pm_runtime_resume+0x51/0x80
[    5.493991]  pci_device_probe+0xc2/0x160
[    5.493998]  driver_probe_device+0x2b9/0x410
[    5.494006]  __driver_attach+0x99/0xe0
[    5.494012]  ? driver_probe_device+0x410/0x410
[    5.494018]  bus_for_each_dev+0x57/0x90
[    5.494025]  driver_attach+0x19/0x20
[    5.494031]  ? driver_probe_device+0x410/0x410
[    5.494037]  bus_add_driver+0x187/0x230
[    5.494043]  ? 0xf8512000
[    5.494049]  driver_register+0x56/0xd0
[    5.494055]  ? 0xf8512000
[    5.494061]  __pci_register_driver+0x3a/0x40
[    5.494069]  saa7146_register_extension+0x50/0x80 [saa7146]
[    5.494080]  budget_av_init+0xd/0x1000 [budget_av]
[    5.494087]  do_one_initcall+0x46/0x180
[    5.494094]  ? __schedule+0x298/0x8c0
[    5.494101]  ? vunmap_page_range+0x13e/0x280
[    5.494109]  ? kmem_cache_alloc_trace+0x165/0x1d0
[    5.494116]  ? do_init_module+0x21/0x1cc
[    5.494122]  ? do_init_module+0x21/0x1cc
[    5.494129]  do_init_module+0x50/0x1cc
[    5.494136]  load_module+0x1565/0x1a80
[    5.494148]  SyS_finit_module+0x8a/0xe0
[    5.494157]  do_fast_syscall_32+0x71/0x1d0
[    5.494164]  entry_SYSENTER_32+0x4e/0x7c
[    5.494169] EIP: 0xb7f30cf9
[    5.494173] EFLAGS: 00000296 CPU: 2
[    5.494178] EAX: ffffffda EBX: 00000018 ECX: b7d21a71 EDX: 00000000
[    5.494183] ESI: 02293da0 EDI: 02296000 EBP: 00000000 ESP: bf94450c
[    5.494188]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b
[    5.494193] Code: e8 e8 b5 eb ff ff 85 c0 59 75 7c 8b 45 ec 8d 65 f4 5b 5e 5f 5d c3 90 8d 74 26 00 83 3d f0 6d e5 cf 02 0f 85 08 ff ff ff 8d 76 00 <0f> 0b 8d b6 00 00 00 00 0f 0b 8d b6 00 00 00 00 c7 45 dc 00 00
[    5.494289] EIP: saa7146_vmalloc_build_pgtable+0x190/0x1020 [saa7146] SS:ESP: 0068:f4a01c20
[    5.494295] ---[ end trace d23424db8c0ee325 ]---

Revision history for this message

Kai-Heng Feng (kaihengfeng) wrote on 2018-02-07:

#20

The problem is that the commit you bisected implicitly use GFP_HIGHMEM mask. A later commit, tries to alleviate the issue by not setting GFP_HIGHMEM when GFP_DMA or GFP_DMA32 is set,

commit 704b862f9efd6d4c87a8d0a344dda19bda9c6b69
Author: Laura Abbott <email address hidden>
Date: Fri Aug 18 15:16:27 2017 -0700

mm/vmalloc.c: don't unconditonally use __GFP_HIGHMEM

So add GFP_DMA32 or GFP_DMA should solve the issue, but it doesn't,
diff --git a/drivers/media/common/saa7146/saa7146_core.c b/drivers/media/common/saa7146/saa7146_core.c
index 9f7c5b0a6b45..69f127067aa1 100644
--- a/drivers/media/common/saa7146/saa7146_core.c
+++ b/drivers/media/common/saa7146/saa7146_core.c
@@ -152,7 +152,8 @@ static struct scatterlist* vmalloc_to_sg(unsigned char *virt, int nr_pages)
struct page *pg;
int i;

- sglist = kcalloc(nr_pages, sizeof(struct scatterlist), GFP_KERNEL);
+ sglist = __vmalloc(nr_pages * sizeof(struct scatterlist),
+ GFP_KERNEL | GFP_DMA | __GFP_ZERO, PAGE_KERNEL);
        if (NULL == sglist)
                return NULL;
        sg_init_table(sglist, nr_pages);
@@ -166,7 +167,7 @@ static struct scatterlist* vmalloc_to_sg(unsigned char *virt, int nr_pages)
        return sglist;

err:
- kfree(sglist);
+ vfree(sglist);
return NULL;
}

@@ -203,7 +204,7 @@ void *saa7146_vmalloc_build_pgtable(struct pci_dev *pci, long length, struct saa
err_free_pgtable:
        saa7146_pgtable_free(pci, pt);
err_free_slist:
- kfree(pt->slist);
+ vfree(pt->slist);
        pt->slist = NULL;
err_free_mem:
        vfree(mem);
@@ -215,7 +216,7 @@ void saa7146_vfree_destroy_pgtable(struct pci_dev *pci, void *mem, struct saa714
{
        pci_unmap_sg(pci, pt->slist, pt->nents, PCI_DMA_FROMDEVICE);
        saa7146_pgtable_free(pci, pt);
- kfree(pt->slist);
+ vfree(pt->slist);
        pt->slist = NULL;
        vfree(mem);
}

I'll send a mail to ask the patch author, stay tuned.

The problem is that the commit you bisected implicitly use GFP_HIGHMEM mask. A later commit, tries to alleviate the issue by not setting GFP_HIGHMEM when GFP_DMA or GFP_DMA32 is set,

commit 704b862f9efd6d4c87a8d0a344dda19bda9c6b69
Author: Laura Abbott <labbott@redhat.com>
Date:   Fri Aug 18 15:16:27 2017 -0700

mm/vmalloc.c: don't unconditonally use __GFP_HIGHMEM

So add GFP_DMA32 or GFP_DMA should solve the issue, but it doesn't,
diff --git a/drivers/media/common/saa7146/saa7146_core.c b/drivers/media/common/saa7146/saa7146_core.c
index 9f7c5b0a6b45..69f127067aa1 100644
--- a/drivers/media/common/saa7146/saa7146_core.c
+++ b/drivers/media/common/saa7146/saa7146_core.c
@@ -152,7 +152,8 @@ static struct scatterlist* vmalloc_to_sg(unsigned char *virt, int nr_pages)
        struct page *pg;
        int i;
 
-       sglist = kcalloc(nr_pages, sizeof(struct scatterlist), GFP_KERNEL);
+       sglist = __vmalloc(nr_pages * sizeof(struct scatterlist),
+                          GFP_KERNEL | GFP_DMA | __GFP_ZERO, PAGE_KERNEL);
        if (NULL == sglist)
                return NULL;
        sg_init_table(sglist, nr_pages);
@@ -166,7 +167,7 @@ static struct scatterlist* vmalloc_to_sg(unsigned char *virt, int nr_pages)
        return sglist;
 
  err:
-       kfree(sglist);
+       vfree(sglist);
        return NULL;
 }
 
@@ -203,7 +204,7 @@ void *saa7146_vmalloc_build_pgtable(struct pci_dev *pci, long length, struct saa
 err_free_pgtable:
        saa7146_pgtable_free(pci, pt);
 err_free_slist:
-       kfree(pt->slist);
+       vfree(pt->slist);
        pt->slist = NULL;
 err_free_mem:
        vfree(mem);
@@ -215,7 +216,7 @@ void saa7146_vfree_destroy_pgtable(struct pci_dev *pci, void *mem, struct saa714
 {
        pci_unmap_sg(pci, pt->slist, pt->nents, PCI_DMA_FROMDEVICE);
        saa7146_pgtable_free(pci, pt);
-       kfree(pt->slist);
+       vfree(pt->slist);
        pt->slist = NULL;
        vfree(mem);
 }

I'll send a mail to ask the patch author, stay tuned.

Revision history for this message

Kai-Heng Feng (kaihengfeng) wrote on 2018-02-08:

#21

https://lkml.org/lkml/2018/2/8/19

Revision history for this message

Kai-Heng Feng (kaihengfeng) wrote on 2018-02-12:

#22

Please try this kernel,
http://people.canonical.com/~khfeng/lp1742316-i386-3/

Revision history for this message

TauSo (tauso) wrote on 2018-02-12:

#23

Thanks, finally it's working. Do you need some additional infos/logs?

Revision history for this message

Kai-Heng Feng (kaihengfeng) wrote on 2018-02-13:

#24

No not really.

I'll backport the patch once it's in Linus' tree.

Changed in linux (Ubuntu):
assignee:	nobody → Kai-Heng Feng (kaihengfeng)

Kai-Heng Feng (kaihengfeng) on 2018-03-01

description:

updated

Kleber Sacilotto de Souza (kleber-souza) on 2018-03-02

Changed in linux (Ubuntu Artful):
status:	New → Fix Committed

Kai-Heng Feng (kaihengfeng) on 2018-03-18

Changed in linux (Ubuntu):
status:	Confirmed → Fix Released

Revision history for this message

Stefan Bader (smb) wrote on 2018-03-19:

#25

This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-artful' to 'verification-done-artful'. If the problem still exists, change the tag 'verification-needed-artful' to 'verification-failed-artful'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

tags:

added: verification-needed-artful

Revision history for this message

TauSo (tauso) wrote on 2018-03-19:

#26

Kernel 4.13.0-38-generic #43-Ubuntu SMP Wed Mar 14 15:23:42 UTC 2018 i686 i686 i686 GNU/Linux

from artful-proposed is working.

tags:

added: verification-done-artful
removed: verification-needed-artful

Revision history for this message

Launchpad Janitor (janitor) wrote on 2018-04-03:

#27

Download full text (18.9 KiB)

This bug was fixed in the package linux - 4.13.0-38.43

---------------
linux (4.13.0-38.43) artful; urgency=medium

* linux: 4.13.0-38.43 -proposed tracker (LP: #1755762)

  * Servers going OOM after updating kernel from 4.10 to 4.13 (LP: #1748408)
    - i40e: Fix memory leak related filter programming status
    - i40e: Add programming descriptors to cleaned_count

* [SRU] Lenovo E41 Mic mute hotkey is not responding (LP: #1753347)
- platform/x86: ideapad-laptop: Increase timeout to wait for EC answer

* fails to dump with latest kpti fixes (LP: #1750021)
- kdump: write correct address of mem_section into vmcoreinfo

  * headset mic can't be detected on two Dell machines (LP: #1748807)
    - ALSA: hda/realtek - Support headset mode for ALC215/ALC285/ALC289
    - ALSA: hda - Fix headset mic detection problem for two Dell machines
    - ALSA: hda - Fix a wrong FIXUP for alc289 on Dell machines

  * CIFS SMB2/SMB3 does not work for domain based DFS (LP: #1747572)
    - CIFS: make IPC a regular tcon
    - CIFS: use tcon_ipc instead of use_ipc parameter of SMB2_ioctl
    - CIFS: dump IPC tcon in debug proc file

* i2c-thunderx: erroneous error message "unhandled state: 0" (LP: #1754076)
- i2c: octeon: Prevent error message on bus error

* hisi_sas: Add disk LED support (LP: #1752695)
- scsi: hisi_sas: directly attached disk LED feature for v2 hw

  * EDAC, sb_edac: Backport 1 patch to Ubuntu 17.10 (Fix missing DIMM sysfs
    entries with KNL SNC2/SNC4 mode) (LP: #1743856)
    - EDAC, sb_edac: Fix missing DIMM sysfs entries with KNL SNC2/SNC4 mode

  * [regression] Colour banding and artefacts appear system-wide on an Asus
    Zenbook UX303LA with Intel HD 4400 graphics (LP: #1749420)
    - drm/edid: Add 6 bpc quirk for CPT panel in Asus UX303LA

* DVB Card with SAA7146 chipset not working (LP: #1742316)
- vmalloc: fix __GFP_HIGHMEM usage for vmalloc_32 on 32b systems

  * [Asus UX360UA] battery status in unity-panel is not changing when battery is
    being charged (LP: #1661876) // AC adapter status not detected on Asus
    ZenBook UX410UAK (LP: #1745032)
    - ACPI / battery: Add quirk for Asus UX360UA and UX410UAK

* ASUS UX305LA - Battery state not detected correctly (LP: #1482390)
- ACPI / battery: Add quirk for Asus GL502VSK and UX305LA

  * support thunderx2 vendor pmu events (LP: #1747523)
    - perf pmu: Extract function to get JSON alias map
    - perf pmu: Pass pmu as a parameter to get_cpuid_str()
    - perf tools arm64: Add support for get_cpuid_str function.
    - perf pmu: Add helper function is_pmu_core to detect PMU CORE devices
    - perf vendor events arm64: Add ThunderX2 implementation defined pmu core
      events
    - perf pmu: Add check for valid cpuid in perf_pmu__find_map()

* lpfc.ko module doesn't work (LP: #1746970)
- scsi: lpfc: Fix loop mode target discovery

  * Ubuntu 17.10 crashes on vmalloc.c (LP: #1739498)
    - powerpc/mm/book3s64: Make KERN_IO_START a variable
    - powerpc/mm/slb: Move comment next to the code it's referring to
    - powerpc/mm/hash64: Make vmalloc 56T on hash

* ethtool -p fails to light NIC LED on HiSilicon D05 systems (LP: #1748567)
- net...

This bug was fixed in the package linux - 4.13.0-38.43

---------------
linux (4.13.0-38.43) artful; urgency=medium

* linux: 4.13.0-38.43 -proposed tracker (LP: #1755762)

* Servers going OOM after updating kernel from 4.10 to 4.13 (LP: #1748408)
    - i40e: Fix memory leak related filter programming status
    - i40e: Add programming descriptors to cleaned_count

* [SRU] Lenovo E41 Mic mute hotkey is not responding (LP: #1753347)
    - platform/x86: ideapad-laptop: Increase timeout to wait for EC answer

* fails to dump with latest kpti fixes (LP: #1750021)
    - kdump: write correct address of mem_section into vmcoreinfo

* headset mic can't be detected on two Dell machines (LP: #1748807)
    - ALSA: hda/realtek - Support headset mode for ALC215/ALC285/ALC289
    - ALSA: hda - Fix headset mic detection problem for two Dell machines
    - ALSA: hda - Fix a wrong FIXUP for alc289 on Dell machines

* CIFS SMB2/SMB3 does not work for domain based DFS (LP: #1747572)
    - CIFS: make IPC a regular tcon
    - CIFS: use tcon_ipc instead of use_ipc parameter of SMB2_ioctl
    - CIFS: dump IPC tcon in debug proc file

* i2c-thunderx: erroneous error message "unhandled state: 0" (LP: #1754076)
    - i2c: octeon: Prevent error message on bus error

* hisi_sas: Add disk LED support (LP: #1752695)
    - scsi: hisi_sas: directly attached disk LED feature for v2 hw

* EDAC, sb_edac: Backport 1 patch to Ubuntu 17.10 (Fix missing DIMM sysfs
    entries with KNL SNC2/SNC4 mode) (LP: #1743856)
    - EDAC, sb_edac: Fix missing DIMM sysfs entries with KNL SNC2/SNC4 mode

* [regression] Colour banding and artefacts appear system-wide on an Asus
    Zenbook UX303LA with Intel HD 4400 graphics (LP: #1749420)
    - drm/edid: Add 6 bpc quirk for CPT panel in Asus UX303LA

* DVB Card with SAA7146 chipset not working (LP: #1742316)
    - vmalloc: fix __GFP_HIGHMEM usage for vmalloc_32 on 32b systems

* [Asus UX360UA] battery status in unity-panel is not changing when battery is
    being charged (LP: #1661876) // AC adapter status not detected on Asus
    ZenBook UX410UAK (LP: #1745032)
    - ACPI / battery: Add quirk for Asus UX360UA and UX410UAK

* ASUS UX305LA - Battery state not detected correctly (LP: #1482390)
    - ACPI / battery: Add quirk for Asus GL502VSK and UX305LA

* support thunderx2 vendor pmu events (LP: #1747523)
    - perf pmu: Extract function to get JSON alias map
    - perf pmu: Pass pmu as a parameter to get_cpuid_str()
    - perf tools arm64: Add support for get_cpuid_str function.
    - perf pmu: Add helper function is_pmu_core to detect PMU CORE devices
    - perf vendor events arm64: Add ThunderX2 implementation defined pmu core
      events
    - perf pmu: Add check for valid cpuid in perf_pmu__find_map()

* lpfc.ko module doesn't work (LP: #1746970)
    - scsi: lpfc: Fix loop mode target discovery

* Ubuntu 17.10 crashes on vmalloc.c (LP: #1739498)
    - powerpc/mm/book3s64: Make KERN_IO_START a variable
    - powerpc/mm/slb: Move comment next to the code it's referring to
    - powerpc/mm/hash64: Make vmalloc 56T on hash

* ethtool -p fails to light NIC LED on HiSilicon D05 systems (LP: #1748567)
    - net: hns: add ACPI mode support for ethtool -p

* CVE-2017-17807
    - KEYS: add missing permission check for request_key() destination

* [Artful SRU] Fix capsule update regression (LP: #1746019)
    - efi/capsule-loader: Reinstate virtual capsule mapping

* [Artful/Bionic] [Config] enable EDAC_GHES for ARM64 (LP: #1747746)
    - Ubuntu: [Config] enable EDAC_GHES for ARM64

* linux-tools: perf incorrectly linking libbfd (LP: #1748922)
    - SAUCE: tools -- add ability to disable libbfd
    - [Packaging] correct disablement of libbfd

* Cherry pick c96f5471ce7d for delayacct fix (LP: #1747769)
    - delayacct: Account blkio completion on the correct task

* Error in CPU frequency reporting when nominal and min pstates are same
    (cpufreq) (LP: #1746174)
    - cpufreq: powernv: Dont assume distinct pstate values for nominal and pmin

* retpoline abi files are empty on i386 (LP: #1751021)
    - [Packaging] retpoline-extract -- instantiate retpoline files for i386
    - [Packaging] final-checks -- sanity checking ABI contents
    - [Packaging] final-checks -- check for empty retpoline files

* [P9,Power NV][WSP][Ubuntu 1804] : "Kernel access of bad area " when grouping
    different pmu events using perf fuzzer . (perf:) (LP: #1746225)
    - powerpc/perf: Fix oops when grouping different pmu events

* bnx2x_attn_int_deasserted3:4323 MC assert! (LP: #1715519) //
    CVE-2018-1000026
    - net: create skb_gso_validate_mac_len()
    - bnx2x: disable GSO where gso_size is too big for hardware

* Ubuntu16.04.03: ISAv3 initialize MMU registers before setting partition
    table (LP: #1736145)
    - powerpc/64s: Initialize ISAv3 MMU registers before setting partition table

* powerpc/powernv: Flush console before platform error reboot (LP: #1735159)
    - powerpc/powernv: Flush console before platform error reboot

* Touchpad stops working after a few seconds in Lenovo ideapad 320
    (LP: #1732056)
    - pinctrl/amd: fix masking of GPIO interrupts

* [Artful][Wyse 3040] System hang when trying to enable an offlined CPU core
    (LP: #1736393)
    - SAUCE: drm/i915:Don't set chip specific data
    - SAUCE: drm/i915: make previous commit affects Wyse 3040 only

* ppc64el: Do not call ibm,os-term on panic (LP: #1736954)
    - powerpc: Do not call ppc_md.panic in fadump panic notifier

* Artful update to 4.13.16 stable release (LP: #1744213)
    - tcp_nv: fix division by zero in tcpnv_acked()
    - net: vrf: correct FRA_L3MDEV encode type
    - tcp: do not mangle skb->cb[] in tcp_make_synack()
    - net: systemport: Correct IPG length settings
    - netfilter/ipvs: clear ipvs_property flag when SKB net namespace changed
    - l2tp: don't use l2tp_tunnel_find() in l2tp_ip and l2tp_ip6
    - bonding: discard lowest hash bit for 802.3ad layer3+4
    - net: cdc_ether: fix divide by 0 on bad descriptors
    - net: qmi_wwan: fix divide by 0 on bad descriptors
    - qmi_wwan: Add missing skb_reset_mac_header-call
    - net: usb: asix: fill null-ptr-deref in asix_suspend
    - tcp: gso: avoid refcount_t warning from tcp_gso_segment()
    - tcp: fix tcp_fastretrans_alert warning
    - vlan: fix a use-after-free in vlan_device_event()
    - net/mlx5: Cancel health poll before sending panic teardown command
    - net/mlx5e: Set page to null in case dma mapping fails
    - af_netlink: ensure that NLMSG_DONE never fails in dumps
    - vxlan: fix the issue that neigh proxy blocks all icmpv6 packets
    - net: cdc_ncm: GetNtbFormat endian fix
    - fealnx: Fix building error on MIPS
    - net/sctp: Always set scope_id in sctp_inet6_skb_msgname
    - ima: do not update security.ima if appraisal status is not INTEGRITY_PASS
    - serial: omap: Fix EFR write on RTS deassertion
    - serial: 8250_fintek: Fix finding base_port with activated SuperIO
    - tpm-dev-common: Reject too short writes
    - rcu: Fix up pending cbs check in rcu_prepare_for_idle
    - ocfs2: fix cluster hang after a node dies
    - ocfs2: should wait dio before inode lock in ocfs2_setattr()
    - ipmi: fix unsigned long underflow
    - mm/page_alloc.c: broken deferred calculation
    - mm/page_ext.c: check if page_ext is not prepared
    - x86/cpu/amd: Derive L3 shared_cpu_map from cpu_llc_shared_mask
    - coda: fix 'kernel memory exposure attempt' in fsync
    - Linux 4.13.16

* Artful update to 4.13.15 stable release (LP: #1744212)
    - media: imon: Fix null-ptr-deref in imon_probe
    - media: dib0700: fix invalid dvb_detach argument
    - crypto: dh - Fix double free of ctx->p
    - crypto: dh - Don't permit 'p' to be 0
    - crypto: dh - Don't permit 'key' or 'g' size longer than 'p'
    - USB: early: Use new USB product ID and strings for DbC device
    - USB: usbfs: compute urb->actual_length for isochronous
    - USB: Add delay-init quirk for Corsair K70 LUX keyboards
    - usb: gadget: f_fs: Fix use-after-free in ffs_free_inst
    - USB: serial: metro-usb: stop I/O after failed open
    - USB: serial: Change DbC debug device binding ID
    - USB: serial: qcserial: add pid/vid for Sierra Wireless EM7355 fw update
    - USB: serial: garmin_gps: fix I/O after failed probe and remove
    - USB: serial: garmin_gps: fix memory leak on probe errors
    - x86/MCE/AMD: Always give panic severity for UC errors in kernel context
    - platform/x86: peaq-wmi: Add DMI check before binding to the WMI interface
    - platform/x86: peaq_wmi: Fix missing terminating entry for peaq_dmi_table
    - HID: cp2112: add HIDRAW dependency
    - HID: wacom: generic: Recognize WACOM_HID_WD_PEN as a type of pen collection
    - staging: wilc1000: Fix bssid buffer offset in Txq
    - staging: ccree: fix 64 bit scatter/gather DMA ops
    - staging: greybus: spilib: fix use-after-free after deregistration
    - staging: vboxvideo: Fix reporting invalid suggested-offset-properties
    - staging: rtl8188eu: Revert 4 commits breaking ARP
    - Linux 4.13.15

* time drifting on linux-hwe kernels (LP: #1744988)
    - x86/tsc: Future-proof native_calibrate_tsc()
    - x86/tsc: Fix erroneous TSC rate on Skylake Xeon
    - x86/tsc: Print tsc_khz, when it differs from cpu_khz

* Please backport vmd suspend/resume patches to 16.04 hwe (LP: #1745508)
    - PCI: vmd: Free up IRQs on suspend path

* CVE-2017-17448
    - netfilter: nfnetlink_cthelper: Add missing permission checks

* Dell XPS 13 9360 bluetooth (Atheros) won't connect after resume
    (LP: #1744712)
    - Bluetooth: btusb: Restore QCA Rome suspend/resume fix with a "rewritten"
      version

* [SRU] TrackPoint: middle button doesn't work on TrackPoint-compatible
    device. (LP: #1746002)
    - Input: trackpoint - force 3 buttons if 0 button is reported

* TB16 dock ethernet corrupts data with hw checksum silently failing
    (LP: #1729674)
    - r8152: disable RX aggregation on Dell TB16 dock

* [Artful] Realtek ALC225: 2 secs noise when a headset plugged in
    (LP: #1744058)
    - Revert "UBUNTU: SAUCE: ALSA: hda/realtek - Add support headset mode for DELL
      WYSE"
    - SAUCE: ALSA: hda/realtek - Add support headset mode for DELL WYSE
    - ALSA: hda/realtek - update ALC225 depop optimize

* [A] skb leak in vhost_net / tun / tap (LP: #1738975)
    - vhost: fix skb leak in handle_rx()
    - tap: free skb if flags error
    - tun: free skb in early errors

* Commit d9018976cdb6 missing in Kernels <4.14.x preventing lasting fix of
    Intel SPI bug on certain serial flash (LP: #1742696)
    - mfd: lpc_ich: Do not touch SPI-NOR write protection bit on Haswell/Broadwell
    - spi-nor: intel-spi: Fix broken software sequencing codes

* CVE-2018-5332
    - RDS: Heap OOB write in rds_message_alloc_sgs()

* [A] KVM Windows BSOD on 4.13.x (LP: #1738972)
    - KVM: x86: fix APIC page invalidation

* elantech touchpad of Lenovo L480/580 failed to detect hw_version
    (LP: #1733605)
    - Input: elantech - add new icbody type 15

* [SRU] External HDMI monitor failed to show screen on Lenovo X1 series
    (LP: #1738523)
    - SAUCE: drm/i915: Disable writing of TMDS_OE on Lenovo ThinkPad X1 series

* ubuntu/xr-usb-serial didn't get built in zesty and artful (LP: #1733281)
    - SAUCE: make sure ubuntu/xr-usb-serial builds for x86

* Disabling zfs does not always disable module checks for the zfs modules
    (LP: #1737176)
    - [Packaging] disable zfs module checks when zfs is disabled

* CVE-2017-17806
    - crypto: hmac - require that the underlying hash algorithm is unkeyed

* CVE-2017-17805
    - crypto: salsa20 - fix blkcipher_walk API usage

* CVE-2017-16994
    - mm/pagewalk.c: report holes in hugetlb ranges

* CVE-2017-17450
    - netfilter: xt_osf: Add missing permission checks

* apparmor profile load in stacked policy container fails (LP: #1746463)
    - SAUCE: apparmor: fix display of .ns_name for containers

* CVE-2017-15129
    - net: Fix double free and memory corruption in get_net_ns_by_id()

* CVE-2018-5344
    - loop: fix concurrent lo_open/lo_release

* CVE-2017-1000407
    - KVM: VMX: remove I/O port 0x80 bypass on Intel hosts

* CVE-2017-0861
    - ALSA: pcm: prevent UAF in snd_pcm_info

* perf stat segfaults on uncore events w/o -a (LP: #1745246)
    - perf xyarray: Save max_x, max_y
    - perf evsel: Fix buffer overflow while freeing events

* Support cppc-cpufreq driver on ThunderX2 systems (LP: #1745007)
    - mailbox: PCC: Move the MAX_PCC_SUBSPACES definition to header file
    - ACPI / CPPC: Make CPPC ACPI driver aware of PCC subspace IDs
    - ACPI / CPPC: Fix KASAN global out of bounds warning
    - ACPI: CPPC: remove initial assignment of pcc_ss_data

* P-state not working in kernel 4.13 (LP: #1743269)
    - x86 / CPU: Avoid unnecessary IPIs in arch_freq_get_on_cpu()
    - x86 / CPU: Always show current CPU frequency in /proc/cpuinfo

* Regression: KVM no longer supports Intel CPUs without Virtual NMI
    (LP: #1741655)
    - kvm: vmx: Reinstate support for CPUs without virtual NMI

* System hang with Linux kernel due to mainline commit 24247aeeabe
    (LP: #1733662)
    - x86/intel_rdt/cqm: Prevent use after free

* $(LOCAL_ENV_CC) and $(LOCAL_ENV_DISTCC_HOSTS) should be properly quoted
    (LP: #1744077)
    - [Debian] pass LOCAL_ENV_CC and LOCAL_ENV_DISTCC_HOSTS properly

* the wifi driver is always hard blocked on a lenovo laptop (LP: #1743672)
    - ACPI: EC: Fix possible issues related to EC initialization order

* text VTs are unavailable on desktop after upgrade to Ubuntu 17.10
    (LP: #1724911)
    - drm/i915/fbdev: Always forward hotplug events

* Samsung SSD 960 EVO 500GB refused to change power state (LP: #1705748)
    - nvme-pci: disable APST on Samsung SSD 960 EVO + ASUS PRIME B350M-A

* [0cf3:e010] QCA6174A XR failed to pair with bt 4.0 device  (LP: #1741166)
    - Bluetooth: btusb: Add support for 0cf3:e010

* CVE-2017-17741
    - KVM: Fix stack-out-of-bounds read in write_mmio

* CVE-2018-5333
    - RDS: null pointer dereference in rds_atomic_free_op

* [800 G3 SFF] [800 G3 DM]External microphone of headset(3-ring) is working,
    2-ring mic not working, both not shown in sound settings  (LP: #1740974)
    - ALSA: hda - Add MIC_NO_PRESENCE fixup for 2 HP machines

* Two front mics can't work on a lenovo machine (LP: #1740973)
    - ALSA: hda - change the location for one mic on a Lenovo machine

* No external microphone be detected via headset jack on a dell machine
    (LP: #1740972)
    - ALSA: hda - fix headset mic detection issue on a Dell machine

*  Can't detect external headset via line-out jack on some Dell machines
    (LP: #1740971)
    - ALSA: hda/realtek - Fix Dell AIO LineOut issue

* Support realtek new codec alc257 in the alsa hda driver  (LP: #1738911)
    - ALSA: hda/realtek - New codec support for ALC257

* Add support for 16g huge pages on Ubuntu 16.04.2 PowerNV (LP: #1706247)
    - powerpc/mm/hugetlb: Allow runtime allocation of 16G.
    - powerpc/mm/hugetlb: Add support for reserving gigantic huge pages via kernel
      command line
    - mm/hugetlb: Allow arch to override and call the weak function

* the kernel is blackholing IPv6 packets to linkdown nexthops (LP: #1738219)
    - ipv6: Do not consider linkdown nexthops during multipath

* e1000e in 4.4.0-97-generic breaks 82574L under heavy load. (LP: #1730550)
    - e1000e: Avoid receiver overrun interrupt bursts
    - e1000e: Separate signaling for link check/link up

* Ubuntu 17.10: Include patch "crypto: vmx - Use skcipher for ctr fallback"
    (LP: #1732978)
    - crypto: vmx - Use skcipher for ctr fallback

* QCA Rome bluetooth can not wakeup after USB runtime suspended.
    (LP: #1737890)
    - Bluetooth: btusb: driver to enable the usb-wakeup feature

* /dev/bcache/by-uuid links not created after reboot (LP: #1729145)
    - SAUCE: (no-up) bcache: decouple emitting a cached_dev CHANGE uevent

* Some VMs fail to reboot with "watchdog: BUG: soft lockup - CPU#0 stuck for
    22s! [systemd:1]" (LP: #1730717)
    - SAUCE: exec: fix lockup because retry loop may never exit

* Request to backport cxlflash patches to 16.04 HWE Kernel (LP: #1730515)
    - scsi: cxlflash: Use derived maximum write same length
    - scsi: cxlflash: Allow cards without WWPN VPD to configure
    - scsi: cxlflash: Derive pid through accessors

* vagrant artful64 box filesystem too small (LP: #1726818)
    - block: factor out __blkdev_issue_zero_pages()
    - block: cope with WRITE ZEROES failing in blkdev_issue_zeroout()

* Artful update to 4.13.14 stable release (LP: #1744121)
    - ppp: fix race in ppp device destruction
    - gso: fix payload length when gso_size is zero
    - ipv4: Fix traffic triggered IPsec connections.
    - ipv6: Fix traffic triggered IPsec connections.
    - netlink: do not set cb_running if dump's start() errs
    - net: call cgroup_sk_alloc() earlier in sk_clone_lock()
    - macsec: fix memory leaks when skb_to_sgvec fails
    - l2tp: check ps->sock before running pppol2tp_session_ioctl()
    - netlink: fix netlink_ack() extack race
    - sctp: add the missing sock_owned_by_user check in sctp_icmp_redirect
    - tcp/dccp: fix ireq->opt races
    - packet: avoid panic in packet_getsockopt()
    - geneve: Fix function matching VNI and tunnel ID on big-endian
    - net: bridge: fix returning of vlan range op errors
    - soreuseport: fix initialization race
    - ipv6: flowlabel: do not leave opt->tot_len with garbage
    - sctp: full support for ipv6 ip_nonlocal_bind & IP_FREEBIND
    - tcp/dccp: fix lockdep splat in inet_csk_route_req()
    - tcp/dccp: fix other lockdep splats accessing ireq_opt
    - net: dsa: check master device before put
    - net/unix: don't show information about sockets from other namespaces
    - tap: double-free in error path in tap_open()
    - net/mlx5: Fix health work queue spin lock to IRQ safe
    - net/mlx5e: Properly deal with encap flows add/del under neigh update
    - ipip: only increase err_count for some certain type icmp in ipip_err
    - ip6_gre: only increase err_count for some certain type icmpv6 in ip6gre_err
    - ip6_gre: update dst pmtu if dev mtu has been updated by toobig in
      __gre6_xmit
    - tcp: refresh tp timestamp before tcp_mtu_probe()
    - tap: reference to KVA of an unloaded module causes kernel panic
    - sctp: reset owner sk for data chunks on out queues when migrating a sock
    - net_sched: avoid matching qdisc with zero handle
    - l2tp: hold tunnel in pppol2tp_connect()
    - ipv6: addrconf: increment ifp refcount before ipv6_del_addr()
    - tcp: fix tcp_mtu_probe() vs highest_sack
    - mac80211: accept key reinstall without changing anything
    - mac80211: use constant time comparison with keys
    - mac80211: don't compare TKIP TX MIC key in reinstall prevention
    - usb: usbtest: fix NULL pointer dereference
    - Input: ims-psu - check if CDC union descriptor is sane
    - EDAC, sb_edac: Don't create a second memory controller if HA1 is not present
    - dmaengine: dmatest: warn user when dma test times out
    - Linux 4.13.14

-- Stefan Bader <stefan.bader@canonical.com>  Wed, 14 Mar 2018 11:38:23 +0100

Changed in linux (Ubuntu Artful):
status:	Fix Committed → Fix Released

Ubuntu
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DVB Card with SAA7146 chipset not working

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Affects		Status	Importance	Assigned to	Milestone
	linux (Ubuntu)	Fix Released	Medium	Kai-Heng Feng
	Artful	Fix Released	Undecided	Unassigned

Ubuntulinux package

DVB Card with SAA7146 chipset not working

Bug Description

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Ubuntu
linux package