diff options
| author | Matthew Brost <matthew.brost@intel.com> | 2024-07-15 23:39:02 -0700 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2024-07-18 10:25:37 -0400 |
| commit | 90936a0a4c54f0a1cdf4538f9128821ad70c36ab (patch) | |
| tree | 36b7c6bef3fcd0239a9da61aadf6877d7771d0e7 /drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | |
| parent | c9474b726b932b5d555effd9ed0ae19f4da2367c (diff) | |
drm/xe: Don't suspend device upon wedge
When wedging a device we shouldn't be suspending device as state for
debug will be lost.
Also this appears to not work as the below stack trace pops upon trying
to resume a wedged device:
[ 304.245044] INFO: task cat:12115 blocked for more than 151 seconds.
[ 304.251333] Tainted: G W 6.10.0-rc7-xe+ #3518
[ 304.257617] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 304.265459] task:cat state:D stack:13384 pid:12115 tgid:12115 ppid:3986 flags:0x00000006
[ 304.265465] Call Trace:
[ 304.265467] <TASK>
[ 304.265469] __schedule+0x3c4/0xdf0
[ 304.265478] schedule+0x3c/0x140
[ 304.265481] rpm_resume+0x1cc/0x740
[ 304.265484] ? __pfx_autoremove_wake_function+0x10/0x10
[ 304.265489] __pm_runtime_resume+0x49/0x80
[ 304.265494] guc_info+0x6b/0xb0 [xe]
[ 304.265538] ? __pfx___drm_printfn_seq_file+0x10/0x10
[ 304.265541] ? __pfx___drm_puts_seq_file+0x10/0x10
[ 304.265545] seq_read_iter+0x111/0x4c0
[ 304.265551] seq_read+0xfc/0x140
[ 304.265556] full_proxy_read+0x58/0x80
[ 304.265560] vfs_read+0xa7/0x360
[ 304.265563] ? find_held_lock+0x2b/0x80
[ 304.265568] ksys_read+0x64/0xe0
[ 304.265571] do_syscall_64+0x68/0x140
[ 304.265575] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 304.265578] RIP: 0033:0x7f4254d14992
[ 304.265580] RSP: 002b:00007ffc558666f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 304.265583] RAX: ffffffffffffffda RBX: 0000000000020000 RCX: 00007f4254d14992
[ 304.265584] RDX: 0000000000020000 RSI: 00007f4254ebb000 RDI: 0000000000000003
[ 304.265586] RBP: 00007f4254ebb000 R08: 00007f4254eba010 R09: 00007f4254eba010
[ 304.265587] R10: 0000000000000022 R11: 0000000000000246 R12: 0000000000022000
[ 304.265588] R13: 0000000000000003 R14: 0000000000020000 R15: 0000000000020000
[ 304.265593] </TASK>
[ 304.265594]
Showing all locks held in the system:
[ 304.265598] 1 lock held by khungtaskd/57:
[ 304.265599] #0: ffffffff8273b860 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x36/0x1c0
[ 304.265607] 3 locks held by kworker/6:1/90:
[ 304.265610] 1 lock held by in:imklog/547:
[ 304.265611] #0: ffff88810498cd88 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x76/0xc0
[ 304.265620] 1 lock held by dmesg/1310:
v2: Drop local 'err' variable (Jonathan)
Fixes: 8ed9aaae39f3 ("drm/xe: Force wedged state and block GT reset upon any GPU hang")
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240716063902.1390130-2-matthew.brost@intel.com
(cherry picked from commit 452bca0edbd0764ca0284239d5438b3edd305ab3)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
0 files changed, 0 insertions, 0 deletions