[Bug 107261] [drm:generic_reg_wait [amdgpu]] *ERROR* REG_WAIT timeout 1us * 10 tries - optc1_lock line:628

[bugzilla-daemon@freedesktop.org]

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https://bugs.freedesktop.org/show_bug.cgi?id=107261

--- Comment #9 from Kent Ross <root.main@gmail.com> ---
I am encountering this repeatedly, somewhere north of half of the times my
computer attempts to resume from sleep (and I believe sometimes when it
cold-boots). In a later attempt to resume from sleep, this happened ten times.

This bug will also occur sometimes when displays attach or detach (such as a
display that is unplugged, or a display that is servicing another input, and
goes to sleep because that input has gone away).

[   21.553939] RIP: 0010:generic_reg_wait+0xe4/0x160 [amdgpu]
[   21.553939] Code: a9 44 8b 45 20 48 8b 4d 18 89 de 44 89 4d d4 8b 55 10 48
c7 c7 d0 93 73 c0 e8 28 57 d3 ff 41 83 7c 24 20 01 44 8b 4d d4 74 02 <0f> 0b 48
83 c4 18 44 89 c8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 41 0f 
[   21.553954] RSP: 0018:ffffbf470acc3848 EFLAGS: 00010297
[   21.553954] RAX: 0000000000000000 RBX: 000000000000000a RCX:
0000000000000000
[   21.553955] RDX: 0000000000000000 RSI: ffff9f3edf5564b8 RDI:
ffff9f3edf5564b8
[   21.553955] RBP: ffffbf470acc3888 R08: 0000000000087364 R09:
0000000000000000
[   21.553956] R10: 0000000000000004 R11: ffffffffbb58480d R12:
ffff9f3ed67e9f00
[   21.553956] R13: 0000000000001771 R14: 0000000000000010 R15:
0000000000000001
[   21.553957] FS:  00007f1f05dcda80(0000) GS:ffff9f3edf540000(0000)
knlGS:0000000000000000
[   21.553958] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.553958] CR2: 00007f1efc343600 CR3: 00000015f0a5e004 CR4:
00000000003606e0
[   21.553959] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[   21.553959] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
[   21.553959] Call Trace:
[   21.553984]  dce_mi_allocate_dmif+0xf9/0x220 [amdgpu]
[   21.554007]  dce110_apply_ctx_for_surface+0xfa/0x270 [amdgpu]
[   21.554029]  dc_commit_state+0x395/0x5b0 [amdgpu]
[   21.554050]  ? mod_freesync_set_user_enable+0x11c/0x150 [amdgpu]
[   21.554073]  amdgpu_dm_atomic_commit_tail+0x37f/0xe40 [amdgpu]
[   21.554076]  ? _cond_resched+0x19/0x30
[   21.554077]  ? wait_for_completion_timeout+0x38/0x140
[   21.554078]  ? _cond_resched+0x19/0x30
[   21.554079]  ? wait_for_completion_interruptible+0x35/0x1a0
[   21.554086]  commit_tail+0x42/0x70 [drm_kms_helper]
[   21.554089]  drm_atomic_helper_commit+0x113/0x120 [drm_kms_helper]
[   21.554112]  amdgpu_dm_atomic_commit+0x87/0xa0 [amdgpu]
[   21.554123]  drm_atomic_commit+0x4a/0x50 [drm]
[   21.554126]  drm_atomic_helper_set_config+0x87/0x90 [drm_kms_helper]
[   21.554131]  __drm_mode_set_config_internal+0x6b/0x120 [drm]
[   21.554136]  drm_mode_setcrtc+0x498/0x6d0 [drm]
[   21.554151]  ? amdgpu_cs_wait_ioctl+0xa9/0x170 [amdgpu]
[   21.554156]  ? drm_mode_getcrtc+0x190/0x190 [drm]
[   21.554160]  drm_ioctl_kernel+0xa4/0xf0 [drm]
[   21.554164]  drm_ioctl+0x227/0x400 [drm]
[   21.554169]  ? drm_mode_getcrtc+0x190/0x190 [drm]
[   21.554182]  amdgpu_drm_ioctl+0x4f/0x90 [amdgpu]
[   21.554184]  do_vfs_ioctl+0xa8/0x620
[   21.554186]  ? do_munmap+0x349/0x440
[   21.554187]  ksys_ioctl+0x67/0x90
[   21.554188]  __x64_sys_ioctl+0x1a/0x20
[   21.554190]  do_syscall_64+0x5a/0x110
[   21.554191]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   21.554192] RIP: 0033:0x7f1f071043c7
[   21.554192] Code: 00 00 90 48 8b 05 c9 3a 0d 00 64 c7 00 26 00 00 00 48 c7
c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01
f0 ff ff 73 01 c3 48 8b 0d 99 3a 0d 00 f7 d8 64 89 01 48 
[   21.554206] RSP: 002b:00007ffe64817b18 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
[   21.554207] RAX: ffffffffffffffda RBX: 00007ffe64817b50 RCX:
00007f1f071043c7
[   21.554207] RDX: 00007ffe64817b50 RSI: 00000000c06864a2 RDI:
000000000000000c
[   21.554208] RBP: 00007ffe64817b50 R08: 0000000000000000 R09:
000055d0967eec00
[   21.554208] R10: 00007ffe64817c10 R11: 0000000000000246 R12:
00000000c06864a2
[   21.554209] R13: 000000000000000c R14: 0000000000000000 R15:
000055d0967eec00
[   21.554210] ---[ end trace 0011653d2c2adca5 ]---

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