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** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1960729
Title:
Thinkpad T14 gen2 AMD - spontaneous reboot
Status in linux package in Ubuntu:
Incomplete
Bug description:
After my Thinkpad T14 gen2 AMD spontaneously rebooted I found this in
the kernel log:
[ 6.211553]
===============================================================================
[ 6.211556] UBSAN: invalid-load in
/build/linux-PqLDBN/linux-5.15.15/drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:5882:84
[ 6.211558] load of value 187 is not a valid value for type '_Bool'
[ 6.211560] CPU: 2 PID: 414 Comm: plymouthd Tainted: G OE
5.15.15-76051515-generic #202201160435~1642693824~21.10~97db1bb
[ 6.211561] Hardware name: LENOVO 20XKCTO1WW/20XKCTO1WW, BIOS R1MET43W
(1.13 ) 11/05/2021
[ 6.211562] Call Trace:
[ 6.211563] <TASK>
[ 6.211565] show_stack+0x52/0x58
[ 6.211569] dump_stack_lvl+0x4a/0x5f
[ 6.211573] dump_stack+0x10/0x12
[ 6.211574] ubsan_epilogue+0x9/0x45
[ 6.211575] __ubsan_handle_load_invalid_value.cold+0x44/0x49
[ 6.211577] create_stream_for_sink.cold+0x5d/0xbb [amdgpu]
[ 6.211697] ? __free_pages_ok+0x31b/0x470
[ 6.211699] create_validate_stream_for_sink+0x59/0x150 [amdgpu]
[ 6.211802] dm_update_crtc_state+0x235/0x7b0 [amdgpu]
[ 6.211894] amdgpu_dm_atomic_check+0x596/0xcd0 [amdgpu]
[ 6.211983] ? dm_plane_format_mod_supported+0x1f/0x100 [amdgpu]
[ 6.212069] ? drm_plane_check_pixel_format+0x45/0x90 [drm]
[ 6.212084] ? drm_atomic_plane_check+0x12f/0x360 [drm]
[ 6.212095] drm_atomic_check_only+0x253/0x4b0 [drm]
[ 6.212103] ? handle_conflicting_encoders+0x26b/0x2a0 [drm_kms_helper]
[ 6.212113] drm_atomic_commit+0x18/0x50 [drm]
[ 6.212122] drm_atomic_helper_set_config+0x7c/0xc0 [drm_kms_helper]
[ 6.212128] drm_mode_setcrtc+0x1f9/0x7c0 [drm]
[ 6.212137] ? drm_mode_getcrtc+0x1c0/0x1c0 [drm]
[ 6.212146] drm_ioctl_kernel+0xae/0xf0 [drm]
[ 6.212155] drm_ioctl+0x264/0x4b0 [drm]
[ 6.212163] ? drm_mode_getcrtc+0x1c0/0x1c0 [drm]
[ 6.212172] amdgpu_drm_ioctl+0x4e/0x80 [amdgpu]
[ 6.212231] __x64_sys_ioctl+0x91/0xc0
[ 6.212234] do_syscall_64+0x5c/0xc0
[ 6.212235] ? amdgpu_drm_ioctl+0x6f/0x80 [amdgpu]
[ 6.212294] ? exit_to_user_mode_prepare+0x37/0xb0
[ 6.212296] ? syscall_exit_to_user_mode+0x27/0x50
[ 6.212298] ? do_syscall_64+0x69/0xc0
[ 6.212299] ? exit_to_user_mode_prepare+0x37/0xb0
[ 6.212300] ? irqentry_exit_to_user_mode+0x9/0x20
[ 6.212301] ? irqentry_exit+0x19/0x30
[ 6.212302] ? exc_page_fault+0x89/0x160
[ 6.212303] ? asm_exc_page_fault+0x8/0x30
[ 6.212305] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 6.212306] RIP: 0033:0x7fc4c316a9cb
[ 6.212308] Code: ff ff ff 85 c0 79 8b 49 c7 c4 ff ff ff ff 5b 5d 4c 89 e0
41 5c c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01
f0 ff ff 73 01 c3 48 8b 0d 35 a4 0f 00 f7 d8 64 89 01 4
8
[ 6.212309] RSP: 002b:00007ffffb5d2fb8 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
[ 6.212310] RAX: ffffffffffffffda RBX: 00007ffffb5d2ff0 RCX:
00007fc4c316a9cb
[ 6.212311] RDX: 00007ffffb5d2ff0 RSI: 00000000c06864a2 RDI:
0000000000000009
[ 6.212312] RBP: 00000000c06864a2 R08: 0000000000000000 R09:
00005566798141f0
[ 6.212312] R10: 0000000000000000 R11: 0000000000000246 R12:
0000000000000067
[ 6.212313] R13: 0000000000000009 R14: 0000556679814140 R15:
0000556679814180
[ 6.212314] </TASK>
[ 6.212314]
===============================================================================
---
ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu71
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: pop:GNOME
DistroRelease: Pop!_OS 21.10
Package: linux (not installed)
ProcEnviron:
TERM=tmux-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/zsh
Tags: impish
Uname: Linux 5.15.15-76051515-generic x86_64
UnreportableReason: The running kernel is not an Ubuntu kernel
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm lpadmin sudo
_MarkForUpload: True
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