Thanks, I’ve been using linux-image-generic-lts-xenial for quite some time.
Frank
> On Oct 17, 2017, at 3:32 AM, Peter Maloney <email address hidden> wrote: > > You probably shouldn't be using bcache on kernels without this patch > set: https://lkml.org/lkml/2015/12/22/154 > > That patch set is in the Ubuntu xenial kernel 4.4, and also vanilla 4.9. > You can install it on 14.04 with: `apt-get install linux-image-generic- > lts-xenial` > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1411734 > > Title: > bcache crash > > Status in linux package in Ubuntu: > Confirmed > > Bug description: > Using bcache with a 512GB SSD as cache, 4TB HDD as backing, doing a > backup of the bcache device sometimes results in a kernel crash. Below > is an OCR of the crash log. > > lsb_release -rd > Description: Ubuntu 14.04.1 LTS > Release: 14.04 > > Linux goliad 3.13.0-44-generic #73-Ubuntu SMP Tue Dec 16 00:22:43 UTC > 2014 x86_64 x86_64 x86_64 GNU/Linux > > I have a picture of the screen as well if needed. > > [127032.260022] R13: 0000000000000002 R14: ffff8800d5e27ff0 R15: ffff8800d5e28000 > [127032.260952] FS: 0000000000000000(0000) GS:ffff88021fc80000(0000) knlGS:0000000000000000 > [127032.261880] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > [127032.262813] CR2: 0000000000000028 CR3: 000000021ec0e000 CR4: 00000000000007e0 > [127032.263755] Stack: > [127032.264683] ffff8800d724f830 ffffffff81084f51 ffffBB00d5e28000 ffff8800d724f890 > [127032.265629] ffffffff81724f39 ffff8800d5e28000 ffff8800d724ffd8 0000000000013480 > [127032.266577] 0000000000013480 ffff8800d5e28000 ffffBB00d5e28650 ffff8800d5e27ff0 > [127032.267523] Call Trace: > [127032.268453] [<ffffffff81084f51>] wq_worker_sleeping+0x11/0x90 > [127032.269386] [<ffffffff81724f39>] __schedule+0x589/0x7d0 > [127032.270323] [<ffffffff817251a9>] schedule+0x29/0x70 > [127032.271260] [<ffffffff8106a15f>] do_exit+0x6df/0xa50 > [127032.272194] [<ffffffffB172a329>] oops_end+0xa9/0x150 > [127032.273115] [<ffffffff8171996d>] no_context+0x27e/0x28b > [127032.274038] [<ffffffff817199ed>] __bad_area_nose,aphore+0x73/0x1ca > [127032.274960] [<ffffffff81719b57>] bad_area_nosemaphore+0x13/0x15 > [127032.275878] [<ffffffff8172ccf7>] __do_page_fault+0xa7/0x560 > [127032.276791] [<ffffffff81197793>] ? alloc_pages_current+0xa3/0x160 > [127032.277708] [<ffffffff81153Bfe>] ? __get_free_pages+0xe/0x50 > [127032.278630] [<ffffffff8117083e>] ? kmalloc_order_trace+0x2e/0xa0 > [127032.279553] [<ffffffff8172d1ca>] do_page_fault+0x1a/0x70 > [127032.280474] [<ffffffff811a2941>] ? __kmalloc+0x211/0x230 > [127032.281390] [<ffffffff81729628>] page_fault+0xZ8/0x30 > [127032.282275] [<ffffffffa009a976>] ? bch_htree_node_read+0x176/0x550 [bcache1 > [127032.283108] [<ffffffffa009bf45>] bch_btree_node_get+0x165/0x290 [bcache] > [127032.283933] [<ffffffffa009c108>] bch_btree_map_nodes_recurse+0x98/0x140 [bcache] > [127032.284760] [<ffffffffa009eb90>] ? bch_btree_insert_check_key+0x190/0x190 [bcache] > [127032.285593] [<ffffffff81151947>] ? mempool_free_slab+0x17/0x20 > [127032.286418] [<ffffffff81151bb9>] ? mempool_free+0x49/0x90 > [127032.287233] [<ffffffffa009f3c9>] __bch_btree_map_nodes+0x139/0x1c0 [bcache] > [127032.288053] [<ffffffffa009eb90>] ? bch_btree_insert_check_key+0x190/0x190 [bcache] > [127032.288873] [<ffffffff81151bb9>] ? mempool_free+0x49/0x90 > [127032.289678] [<ffffffffa009f504>] bch_btree_insert+0xb4/0x120 [bcache] > [127032.290476] [<ffffffffa00a97ba>] bch_data_insert_keys+0x3a/0x160 [bcache] > [127032.291258] [<ffffffff81083a52>] process_one_work+0x182/0x450 > [127032.292029] [<ffffffff81084841>] worker_thread+0x121/0x410 > [127032.292786] [<ffffffffB1e84720>] ? rescuer_thread+0x430/0x430 > [127032.293523] [<ffffffff8108b572>] kthread+0xd2/0xf0 > [127032.294246] [<ffffffff8108b4a0>] ? kthread_create_on_node+0x1c0/0x1c0 > [127032.294961] [<ffffffff817317bc>] ret_from_fork+0x7c/0xb0 > [127032.295672] [<ffffffff8108b4a0>] ? kthread_create_on_node+0xlc0/0xlc0 > [127032.296374] Code: 00 48 89 e5 5d 48 8b 40 c8 48 c1 e8 02 83 e0 01 c3 66 2e 0f 1f 84 00 00 00 00 00 66 66 66 66 90 48 8b 87 c0 03 00 00 55 48 89 e5 <48> 8b 40 d8 5d c3 66 2e 0f 1f 84 00 00 00 00 00 66 66 66 66 90 > [127032.298061] RIP [<ffffffff8108bc10>] kthread_data+0x10/0x20 > [127032.298853] RSP <ffff8800d724f818> > [127032.299630] CR2: ffffffffffffffd8 > > ProblemType: Bug > DistroRelease: Ubuntu 14.04 > Package: linux-image-3.13.0-44-generic 3.13.0-44.73 > ProcVersionSignature: Ubuntu 3.13.0-44.73-generic 3.13.11-ckt12 > Uname: Linux 3.13.0-44-generic x86_64 > ApportVersion: 2.14.1-0ubuntu3.6 > Architecture: amd64 > AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/dsp', '/dev/snd/by-path', '/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/hwC0D3', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/pcmC0D3p', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: > CurrentDmesg: Error: command ['sh', '-c', 'dmesg | comm -13 --nocheck-order /var/log/dmesg -'] failed with exit code 1: comm: /var/log/dmesg: Permission denied > Date: Fri Jan 16 10:04:07 2015 > InstallationDate: Installed on 2011-08-25 (1240 days ago) > InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1) > IwConfig: > eth0 no wireless extensions. > > lo no wireless extensions. > Lsusb: > Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub > Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > Bus 002 Device 003: ID 0557:2220 ATEN International Co., Ltd > MachineType: Dell Inc. OptiPlex 980 > ProcFB: 0 inteldrmfb > ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-44-generic root=UUID=63c581a7-3055-4192-88c2-af192e84130d ro quiet splash crashkernel=384M-:128M vt.handoff=7 > PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. > RfKill: > > SourcePackage: linux > UpgradeStatus: Upgraded to trusty on 2014-12-24 (23 days ago) > WifiSyslog: > > dmi.bios.date: 01/21/2011 > dmi.bios.vendor: Dell Inc. > dmi.bios.version: A07 > dmi.board.name: 0D441T > dmi.board.vendor: Dell Inc. > dmi.board.version: A03 > dmi.chassis.type: 6 > dmi.chassis.vendor: Dell Inc. > dmi.modalias: dmi:bvnDellInc.:bvrA07:bd01/21/2011:svnDellInc.:pnOptiPlex980:pvr:rvnDellInc.:rn0D441T:rvrA03:cvnDellInc.:ct6:cvr: > dmi.product.name: OptiPlex 980 > dmi.sys.vendor: Dell Inc. > --- > ApportVersion: 2.14.1-0ubuntu3.6 > Architecture: amd64 > AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/dsp', '/dev/snd/by-path', '/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/hwC0D3', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/pcmC0D3p', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: > CurrentDmesg: > Error: command ['sh', '-c', 'dmesg | comm -13 --nocheck-order /var/log/dmesg -'] failed with exit code 1: comm: /var/log/dmesg: Permission denied > dmesg: write failed: Broken pipe > DistroRelease: Ubuntu 14.04 > InstallationDate: Installed on 2011-08-25 (1240 days ago) > InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1) > IwConfig: > eth0 no wireless extensions. > > lo no wireless extensions. > Lsusb: > Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub > Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > Bus 002 Device 003: ID 0557:2220 ATEN International Co., Ltd > MachineType: Dell Inc. OptiPlex 980 > Package: linux (not installed) > ProcFB: 0 inteldrmfb > ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-44-generic root=UUID=63c581a7-3055-4192-88c2-af192e84130d ro quiet splash crashkernel=384M-:128M vt.handoff=7 > ProcVersionSignature: Ubuntu 3.13.0-44.73-generic 3.13.11-ckt12 > RfKill: > > Tags: trusty > Uname: Linux 3.13.0-44-generic x86_64 > UpgradeStatus: Upgraded to trusty on 2014-12-24 (23 days ago) > UserGroups: > > WifiSyslog: > > _MarkForUpload: True > dmi.bios.date: 01/21/2011 > dmi.bios.vendor: Dell Inc. > dmi.bios.version: A07 > dmi.board.name: 0D441T > dmi.board.vendor: Dell Inc. > dmi.board.version: A03 > dmi.chassis.type: 6 > dmi.chassis.vendor: Dell Inc. > dmi.modalias: dmi:bvnDellInc.:bvrA07:bd01/21/2011:svnDellInc.:pnOptiPlex980:pvr:rvnDellInc.:rn0D441T:rvrA03:cvnDellInc.:ct6:cvr: > dmi.product.name: OptiPlex 980 > dmi.sys.vendor: Dell Inc. > > To manage notifications about this bug go to: > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1411734/+subscriptions
Thanks, I’ve been using linux-image- generic- lts-xenial for quite some time.
Frank
> On Oct 17, 2017, at 3:32 AM, Peter Maloney <email address hidden> wrote: /lkml.org/ lkml/2015/ 12/22/154 generic- /bugs.launchpad .net/bugs/ 1411734 0(0000) GS:ffff88021fc8 0000(0000) knlGS:000000000 0000000 f51>] wq_worker_ sleeping+ 0x11/0x90 f39>] __schedule+ 0x589/0x7d0 1a9>] schedule+0x29/0x70 15f>] do_exit+0x6df/0xa50 329>] oops_end+0xa9/0x150 96d>] no_context+ 0x27e/0x28b 9ed>] __bad_area_ nose,aphore+ 0x73/0x1ca b57>] bad_area_ nosemaphore+ 0x13/0x15 cf7>] __do_page_ fault+0xa7/ 0x560 793>] ? alloc_pages_ current+ 0xa3/0x160 Bfe>] ? __get_free_ pages+0xe/ 0x50 83e>] ? kmalloc_ order_trace+ 0x2e/0xa0 1ca>] do_page_ fault+0x1a/ 0x70 941>] ? __kmalloc+ 0x211/0x230 628>] page_fault+ 0xZ8/0x30 976>] ? bch_htree_ node_read+ 0x176/0x550 [bcache1 f45>] bch_btree_ node_get+ 0x165/0x290 [bcache] 108>] bch_btree_ map_nodes_ recurse+ 0x98/0x140 [bcache] b90>] ? bch_btree_ insert_ check_key+ 0x190/0x190 [bcache] 947>] ? mempool_ free_slab+ 0x17/0x20 bb9>] ? mempool_ free+0x49/ 0x90 3c9>] __bch_btree_ map_nodes+ 0x139/0x1c0 [bcache] b90>] ? bch_btree_ insert_ check_key+ 0x190/0x190 [bcache] bb9>] ? mempool_ free+0x49/ 0x90 504>] bch_btree_ insert+ 0xb4/0x120 [bcache] 7ba>] bch_data_ insert_ keys+0x3a/ 0x160 [bcache] a52>] process_ one_work+ 0x182/0x450 841>] worker_ thread+ 0x121/0x410 720>] ? rescuer_ thread+ 0x430/0x430 572>] kthread+0xd2/0xf0 4a0>] ? kthread_ create_ on_node+ 0x1c0/0x1c0 7bc>] ret_from_ fork+0x7c/ 0xb0 4a0>] ? kthread_ create_ on_node+ 0xlc0/0xlc0 c10>] kthread_ data+0x10/ 0x20 3.13.0- 44-generic 3.13.0-44.73 ature: Ubuntu 3.13.0- 44.73-generic 3.13.11-ckt12 controlC0' , '/dev/snd/hwC0D0', '/dev/snd/hwC0D3', '/dev/snd/ pcmC0D0c' , '/dev/snd/ pcmC0D0p' , '/dev/snd/ pcmC0D3p' , '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: /boot/vmlinuz- 3.13.0- 44-generic root=UUID= 63c581a7- 3055-4192- 88c2-af192e8413 0d ro quiet splash crashkernel= 384M-:128M vt.handoff=7 :bvrA07: bd01/21/ 2011:svnDellInc .:pnOptiPlex980 :pvr:rvnDellInc .:rn0D441T: rvrA03: cvnDellInc. :ct6:cvr: controlC0' , '/dev/snd/hwC0D0', '/dev/snd/hwC0D3', '/dev/snd/ pcmC0D0c' , '/dev/snd/ pcmC0D0p' , '/dev/snd/ pcmC0D3p' , '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: /boot/vmlinuz- 3.13.0- 44-generic root=UUID= 63c581a7- 3055-4192- 88c2-af192e8413 0d ro quiet splash crashkernel= 384M-:128M vt.handoff=7 ature: Ubuntu 3.13.0- 44.73-generic 3.13.11-ckt12 :bvrA07: bd01/21/ 2011:svnDellInc .:pnOptiPlex980 :pvr:rvnDellInc .:rn0D441T: rvrA03: cvnDellInc. :ct6:cvr: /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/1411734/ +subscriptions
>
> You probably shouldn't be using bcache on kernels without this patch
> set: https:/
>
> That patch set is in the Ubuntu xenial kernel 4.4, and also vanilla 4.9.
> You can install it on 14.04 with: `apt-get install linux-image-
> lts-xenial`
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https:/
>
> Title:
> bcache crash
>
> Status in linux package in Ubuntu:
> Confirmed
>
> Bug description:
> Using bcache with a 512GB SSD as cache, 4TB HDD as backing, doing a
> backup of the bcache device sometimes results in a kernel crash. Below
> is an OCR of the crash log.
>
> lsb_release -rd
> Description: Ubuntu 14.04.1 LTS
> Release: 14.04
>
> Linux goliad 3.13.0-44-generic #73-Ubuntu SMP Tue Dec 16 00:22:43 UTC
> 2014 x86_64 x86_64 x86_64 GNU/Linux
>
> I have a picture of the screen as well if needed.
>
> [127032.260022] R13: 0000000000000002 R14: ffff8800d5e27ff0 R15: ffff8800d5e28000
> [127032.260952] FS: 000000000000000
> [127032.261880] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> [127032.262813] CR2: 0000000000000028 CR3: 000000021ec0e000 CR4: 00000000000007e0
> [127032.263755] Stack:
> [127032.264683] ffff8800d724f830 ffffffff81084f51 ffffBB00d5e28000 ffff8800d724f890
> [127032.265629] ffffffff81724f39 ffff8800d5e28000 ffff8800d724ffd8 0000000000013480
> [127032.266577] 0000000000013480 ffff8800d5e28000 ffffBB00d5e28650 ffff8800d5e27ff0
> [127032.267523] Call Trace:
> [127032.268453] [<ffffffff81084
> [127032.269386] [<ffffffff81724
> [127032.270323] [<ffffffff81725
> [127032.271260] [<ffffffff8106a
> [127032.272194] [<ffffffffB172a
> [127032.273115] [<ffffffff81719
> [127032.274038] [<ffffffff81719
> [127032.274960] [<ffffffff81719
> [127032.275878] [<ffffffff8172c
> [127032.276791] [<ffffffff81197
> [127032.277708] [<ffffffff81153
> [127032.278630] [<ffffffff81170
> [127032.279553] [<ffffffff8172d
> [127032.280474] [<ffffffff811a2
> [127032.281390] [<ffffffff81729
> [127032.282275] [<ffffffffa009a
> [127032.283108] [<ffffffffa009b
> [127032.283933] [<ffffffffa009c
> [127032.284760] [<ffffffffa009e
> [127032.285593] [<ffffffff81151
> [127032.286418] [<ffffffff81151
> [127032.287233] [<ffffffffa009f
> [127032.288053] [<ffffffffa009e
> [127032.288873] [<ffffffff81151
> [127032.289678] [<ffffffffa009f
> [127032.290476] [<ffffffffa00a9
> [127032.291258] [<ffffffff81083
> [127032.292029] [<ffffffff81084
> [127032.292786] [<ffffffffB1e84
> [127032.293523] [<ffffffff8108b
> [127032.294246] [<ffffffff8108b
> [127032.294961] [<ffffffff81731
> [127032.295672] [<ffffffff8108b
> [127032.296374] Code: 00 48 89 e5 5d 48 8b 40 c8 48 c1 e8 02 83 e0 01 c3 66 2e 0f 1f 84 00 00 00 00 00 66 66 66 66 90 48 8b 87 c0 03 00 00 55 48 89 e5 <48> 8b 40 d8 5d c3 66 2e 0f 1f 84 00 00 00 00 00 66 66 66 66 90
> [127032.298061] RIP [<ffffffff8108b
> [127032.298853] RSP <ffff8800d724f818>
> [127032.299630] CR2: ffffffffffffffd8
>
> ProblemType: Bug
> DistroRelease: Ubuntu 14.04
> Package: linux-image-
> ProcVersionSign
> Uname: Linux 3.13.0-44-generic x86_64
> ApportVersion: 2.14.1-0ubuntu3.6
> Architecture: amd64
> AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/dsp', '/dev/snd/by-path', '/dev/snd/
> CurrentDmesg: Error: command ['sh', '-c', 'dmesg | comm -13 --nocheck-order /var/log/dmesg -'] failed with exit code 1: comm: /var/log/dmesg: Permission denied
> Date: Fri Jan 16 10:04:07 2015
> InstallationDate: Installed on 2011-08-25 (1240 days ago)
> InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
> IwConfig:
> eth0 no wireless extensions.
>
> lo no wireless extensions.
> Lsusb:
> Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
> Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> Bus 002 Device 003: ID 0557:2220 ATEN International Co., Ltd
> MachineType: Dell Inc. OptiPlex 980
> ProcFB: 0 inteldrmfb
> ProcKernelCmdLine: BOOT_IMAGE=
> PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
> RfKill:
>
> SourcePackage: linux
> UpgradeStatus: Upgraded to trusty on 2014-12-24 (23 days ago)
> WifiSyslog:
>
> dmi.bios.date: 01/21/2011
> dmi.bios.vendor: Dell Inc.
> dmi.bios.version: A07
> dmi.board.name: 0D441T
> dmi.board.vendor: Dell Inc.
> dmi.board.version: A03
> dmi.chassis.type: 6
> dmi.chassis.vendor: Dell Inc.
> dmi.modalias: dmi:bvnDellInc.
> dmi.product.name: OptiPlex 980
> dmi.sys.vendor: Dell Inc.
> ---
> ApportVersion: 2.14.1-0ubuntu3.6
> Architecture: amd64
> AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/dsp', '/dev/snd/by-path', '/dev/snd/
> CurrentDmesg:
> Error: command ['sh', '-c', 'dmesg | comm -13 --nocheck-order /var/log/dmesg -'] failed with exit code 1: comm: /var/log/dmesg: Permission denied
> dmesg: write failed: Broken pipe
> DistroRelease: Ubuntu 14.04
> InstallationDate: Installed on 2011-08-25 (1240 days ago)
> InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
> IwConfig:
> eth0 no wireless extensions.
>
> lo no wireless extensions.
> Lsusb:
> Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
> Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> Bus 002 Device 003: ID 0557:2220 ATEN International Co., Ltd
> MachineType: Dell Inc. OptiPlex 980
> Package: linux (not installed)
> ProcFB: 0 inteldrmfb
> ProcKernelCmdLine: BOOT_IMAGE=
> ProcVersionSign
> RfKill:
>
> Tags: trusty
> Uname: Linux 3.13.0-44-generic x86_64
> UpgradeStatus: Upgraded to trusty on 2014-12-24 (23 days ago)
> UserGroups:
>
> WifiSyslog:
>
> _MarkForUpload: True
> dmi.bios.date: 01/21/2011
> dmi.bios.vendor: Dell Inc.
> dmi.bios.version: A07
> dmi.board.name: 0D441T
> dmi.board.vendor: Dell Inc.
> dmi.board.version: A03
> dmi.chassis.type: 6
> dmi.chassis.vendor: Dell Inc.
> dmi.modalias: dmi:bvnDellInc.
> dmi.product.name: OptiPlex 980
> dmi.sys.vendor: Dell Inc.
>
> To manage notifications about this bug go to:
> https:/