Kernel Oops: kernel NULL pointer dereference; RIP is at 0010:tgl_get_bw_info.isra.0+0x473/0x6c0 [i915]

[Xavier Hsinyuan]

`linux-image-5.19.0-16-generic` looks fine;

=======

[ 1.699774] i915 0000:00:02.0: [drm] VT-d active for gfx access
[ 1.699828] Console: switching to colour dummy device 80x25
[ 1.699851] i915 0000:00:02.0: vgaarb: deactivate vga console
[ 1.699884] i915 0000:00:02.0: [drm] Transparent Hugepage mode 'huge=within_size'
[ 1.699966] BUG: kernel NULL pointer dereference, address: 000000000000002e
[ 1.699969] #PF: supervisor write access in kernel mode
[ 1.699971] #PF: error_code(0x0002) - not-present page
[ 1.699972] PGD 0 P4D 0
[ 1.699974] Oops: 0002 [#1] PREEMPT SMP NOPTI
[ 1.699976] CPU: 0 PID: 324 Comm: systemd-udevd Not tainted 5.19.0-19-generic #19-Ubuntu
[ 1.699978] Hardware name: LENOVO 82TF/LNVNB161216, BIOS JYCN39WW 06/16/2022
[ 1.699980] RIP: 0010:tgl_get_bw_info.isra.0+0x473/0x6c0 [i915]
[ 1.700052] Code: fa 0b 0f 86 e7 00 00 00 41 39 c2 0f 8e 77 fc ff ff e9 3a 5c 0f 00 49 8d b5 e4 21 00 00 0f b7 85 30 ff ff ff 8b 8d 4c ff ff ff <c6> 46 2e 00 66 41 89 85 e0 21 00 00 85 c9 0f 85 f2 fd ff ff e9 08
[ 1.700054] RSP: 0018:ffffb92181fe7860 EFLAGS: 00010202
[ 1.700056] RAX: 0000000000000304 RBX: 0000000000000003 RCX: 0000000000000004
[ 1.700057] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
[ 1.700058] RBP: ffffb92181fe7950 R08: 0000000000000000 R09: 0000000000000000
[ 1.700059] R10: 0000000000000004 R11: 0000000000000004 R12: 0000000000000080
[ 1.700061] R13: ffff9d3a9d8f80f0 R14: 0000000000000005 R15: ffff9d3a9d8f8000
[ 1.700062] FS: 00007f4c6b69e8c0(0000) GS:ffff9d3dff600000(0000) knlGS:0000000000000000
[ 1.700064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1.700065] CR2: 000000000000002e CR3: 0000000119dce001 CR4: 0000000000770ef0
[ 1.700066] PKRU: 55555554
[ 1.700067] Call Trace:
[ 1.700068] <TASK>
[ 1.700070] ? __intel_wait_for_register_fw+0xf5/0x200 [i915]
[ 1.700123] intel_bw_init_hw+0xf3/0x140 [i915]
[ 1.700184] i915_driver_hw_probe+0x2cc/0x370 [i915]
[ 1.700229] i915_driver_probe+0x19b/0x490 [i915]
[ 1.700267] ? drm_privacy_screen_get+0x16d/0x190 [drm]
[ 1.700294] ? acpi_dev_found+0x64/0x80
[ 1.700299] i915_pci_probe+0x56/0x150 [i915]
[ 1.700339] local_pci_probe+0x44/0x90
[ 1.700342] pci_call_probe+0x55/0x190
[ 1.700343] pci_device_probe+0x84/0x120
[ 1.700345] really_probe+0x1dc/0x3b0
[ 1.700348] __driver_probe_device+0x12c/0x1b0
[ 1.700349] driver_probe_device+0x24/0xd0
[ 1.700351] __driver_attach+0xe0/0x210
[ 1.700353] ? __device_attach_driver+0x130/0x130
[ 1.700355] bus_for_each_dev+0x8d/0xe0
[ 1.700356] driver_attach+0x1e/0x30
[ 1.700358] bus_add_driver+0x187/0x230
[ 1.700360] driver_register+0x8f/0x100
[ 1.700361] __pci_register_driver+0x62/0x70
[ 1.700363] i915_pci_register_driver+0x23/0x30 [i915]
[ 1.700400] i915_init+0x3b/0xf2 [i915]
[ 1.700449] ? 0xffffffffc0877000
[ 1.700451] do_one_initcall+0x5b/0x240
[ 1.700454] do_init_module+0x50/0x210
[ 1.700456] load_module+0xb7d/0xcd0
[ 1.700459] __do_sys_finit_module+0xc4/0x140
[ 1.700460] ? __do_sys_finit_module+0xc4/0x140
[ 1.700462] __x64_sys_finit_module+0x18/0x30
[ 1.700464] do_syscall_64+0x58/0x90
[ 1.700466] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 1.700469] RIP: 0033:0x7f4c6bd7ea1d
[ 1.700470] Code: 5d c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d b3 f3 0d 00 f7 d8 64 89 01 48
[ 1.700473] RSP: 002b:00007fff8a8b9a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 1.700475] RAX: ffffffffffffffda RBX: 000055649dea3290 RCX: 00007f4c6bd7ea1d
[ 1.700476] RDX: 0000000000000000 RSI: 00007f4c6bf00458 RDI: 0000000000000016
[ 1.700477] RBP: 00007f4c6bf00458 R08: 0000000000000000 R09: 00007fff8a8b9bb0
[ 1.700478] R10: 0000000000000016 R11: 0000000000000246 R12: 0000000000020000
[ 1.700479] R13: 000055649de9b8f0 R14: 0000000000000000 R15: 000055649deabad0
[ 1.700481] </TASK>
[ 1.700482] Modules linked in: fjes(-) i915(+) drm_buddy i2c_algo_bit ttm drm_display_helper cec rc_core drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops aesni_intel nvme drm crypto_simd xhci_pci cryptd thunderbolt nvme_core xhci_pci_renesas mac_hid wmi video pinctrl_tigerlake
[ 1.700492] CR2: 000000000000002e
[ 1.700493] ---[ end trace 0000000000000000 ]---
[ 1.700495] RIP: 0010:tgl_get_bw_info.isra.0+0x473/0x6c0 [i915]
[ 1.700554] Code: fa 0b 0f 86 e7 00 00 00 41 39 c2 0f 8e 77 fc ff ff e9 3a 5c 0f 00 49 8d b5 e4 21 00 00 0f b7 85 30 ff ff ff 8b 8d 4c ff ff ff <c6> 46 2e 00 66 41 89 85 e0 21 00 00 85 c9 0f 85 f2 fd ff ff e9 08
[ 1.700556] RSP: 0018:ffffb92181fe7860 EFLAGS: 00010202
[ 1.700558] RAX: 0000000000000304 RBX: 0000000000000003 RCX: 0000000000000004
[ 1.700559] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
[ 1.700560] RBP: ffffb92181fe7950 R08: 0000000000000000 R09: 0000000000000000
[ 1.700561] R10: 0000000000000004 R11: 0000000000000004 R12: 0000000000000080
[ 1.700562] R13: ffff9d3a9d8f80f0 R14: 0000000000000005 R15: ffff9d3a9d8f8000
[ 1.700563] FS: 00007f4c6b69e8c0(0000) GS:ffff9d3dff600000(0000) knlGS:0000000000000000
[ 1.700565] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1.700566] CR2: 000000000000002e CR3: 0000000119dce001 CR4: 0000000000770ef0
[ 1.700567] PKRU: 55555554

ProblemType: Bug
DistroRelease: Ubuntu 22.10
Package: linux-image-5.19.0-19-generic 5.19.0-19.19
ProcVersionSignature: Ubuntu 5.19.0-19.19-generic 5.19.7
Uname: Linux 5.19.0-19-generic x86_64
ApportVersion: 2.23.1-0ubuntu1
Architecture: amd64
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D10p', '/dev/snd/pcmC0D9p', '/dev/snd/pcmC0D8p', '/dev/snd/pcmC0D7p', '/dev/snd/pcmC0D3p', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
CasperMD5CheckResult: unknown
Date: Fri Oct 7 13:33:39 2022
MachineType: LENOVO 82TF
ProcFB:

ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.19.0-19-generic root=/dev/mapper/vgroot-lvroot ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-5.19.0-19-generic N/A
 linux-backports-modules-5.19.0-19-generic N/A
 linux-firmware 20220923.gitf09bebf3-0ubuntu1
SourcePackage: linux
UpgradeStatus: Upgraded to kinetic on 2022-09-07 (30 days ago)
dmi.bios.date: 06/16/2022
dmi.bios.release: 1.39
dmi.bios.vendor: LENOVO
dmi.bios.version: JYCN39WW
dmi.board.asset.tag: No Asset Tag
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: SDK0T76479WIN
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Legion Y9000X IAH7
dmi.ec.firmware.release: 1.39
dmi.modalias: dmi:bvnLENOVO:bvrJYCN39WW:bd06/16/2022:br1.39:efr1.39:svnLENOVO:pn82TF:pvrLegionY9000XIAH7:rvnLENOVO:rnLNVNB161216:rvrSDK0T76479WIN:cvnLENOVO:ct10:cvrLegionY9000XIAH7:skuLENOVO_MT_82TF_BU_idea_FM_LegionY9000XIAH7:
dmi.product.family: Legion Y9000X IAH7
dmi.product.name: 82TF
dmi.product.sku: LENOVO_MT_82TF_BU_idea_FM_Legion Y9000X IAH7
dmi.product.version: Legion Y9000X IAH7
dmi.sys.vendor: LENOVO

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This change was made by a bot.

[Daniel van Vugt (vanvugt)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug 1991704, so it is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Feel free to continue to report any other bugs you may find.