[Nouveau] nouveau: DRM: GPU lockup - switching to software fbcon

[Sergey Senozhatsky]

On (06/14/19 11:50), Sergey Senozhatsky wrote:
> dmesg
> 
>  nouveau 0000:01:00.0: DRM: GPU lockup - switching to software fbcon
>  nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT]
>  nouveau 0000:01:00.0: fifo: runlist 0: scheduled for recovery
>  nouveau 0000:01:00.0: fifo: channel 5: killed
>  nouveau 0000:01:00.0: fifo: engine 6: scheduled for recovery
>  nouveau 0000:01:00.0: fifo: engine 0: scheduled for recovery
>  nouveau 0000:01:00.0: firefox[476]: channel 5 killed!
>  nouveau 0000:01:00.0: firefox[476]: failed to idle channel 5 [firefox[476]]
> 
> It lockups several times a day. Twice in just one hour today.
> Can we fix this?

Unusable

[10380.555859] ------------[ cut here ]------------
[10380.556923] nouveau 0000:01:00.0: timeout
[10380.557981] WARNING: CPU: 3 PID: 12845 at drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c:171 gk104_fifo_runlist_commit+0x11d/0x140
[10380.559079] Modules linked in: rndis_host cdc_ether usbnet mii mousedev hid_generic usbhid hid snd_hda_codec_realtek snd_hda_codec_generic r8169 snd_hda_intel realtek libphy snd_hda_codec snd_hda_core snd_pcm coretemp hwmon snd_timer snd i2c_i801 soundcore button xhci_pci xhci_hcd usbcore usb_common
[10380.560390] CPU: 3 PID: 12845 Comm: JS Helper Not tainted 5.2.0-rc5-next-20190617-dbg-00012-g45d135944f17-dirty #3438
[10380.560392] RIP: 0010:gk104_fifo_runlist_commit+0x11d/0x140
[10380.560393] Code: 24 08 48 8b 40 10 48 8b 78 10 4c 8b 77 50 4d 85 f6 74 34 e8 75 ea 06 00 4c 89 f2 48 c7 c7 ba b1 de a8 48 89 c6 e8 4e 8b c2 ff <0f> 0b 41 8b 45 50 85 c0 0f 85 33 1d 00 00 48 83 c4 30 5b 5d 41 5c
[10380.560393] RSP: 0018:ffff962383e179b8 EFLAGS: 00010296
[10380.560394] RAX: 000000000000001d RBX: ffff8b98cc9a7400 RCX: 0000000000000000
[10380.560394] RDX: ffff8b98ceae5218 RSI: ffff8b98cead6348 RDI: ffff8b98cead6348
[10380.560395] RBP: 0000000000002284 R08: ffff8b98cead6348 R09: 00000000000002d7
[10380.560395] R10: 0000000000000001 R11: 00000000ffffffff R12: 0000000000000000
[10380.560396] R13: ffff8b98cb0f9000 R14: ffff8b95c7594b20 R15: 0000000000000000
[10380.560396] FS:  00007fcff2aff700(0000) GS:ffff8b98ceac0000(0000) knlGS:0000000000000000
[10380.560397] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[10380.560397] CR2: 000055d2e178b098 CR3: 00000001e3008006 CR4: 00000000001606e0
[10380.560398] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[10380.560398] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[10380.560398] Call Trace:
[10380.560401]  gk104_fifo_runlist_update+0x19e/0x1c0
[10380.560403]  gk104_fifo_gpfifo_fini+0x7d/0xa0
[10380.560404]  nvkm_fifo_chan_fini+0x19/0x20
[10380.560406]  nvkm_object_fini+0xbc/0x150
[10380.560408]  nvkm_ioctl_del+0x2f/0x50
[10380.560409]  nvkm_ioctl+0xdf/0x177
[10380.560410]  nvif_object_fini+0x49/0x60
[10380.560412]  nouveau_channel_del+0x89/0x110
[10380.560413]  nouveau_abi16_chan_fini.isra.0+0xa0/0x110
[10380.560414]  nouveau_abi16_fini+0x2d/0x60
[10380.560416]  nouveau_drm_postclose+0x4c/0xe0
[10380.560418]  drm_file_free.part.0+0x1e0/0x290
[10380.560420]  drm_release+0xa7/0xe0
[10380.591300]  __fput+0xc7/0x250
[10380.592291]  task_work_run+0x90/0xc0
[10380.593271]  do_exit+0x286/0xb10
[10380.594306]  do_group_exit+0x33/0xa0
[10380.595333]  get_signal+0x12d/0x7e0
[10380.596304]  do_signal+0x23/0x590
[10380.597490]  ? __bpf_prog_run64+0x40/0x40
[10380.598441]  ? __seccomp_filter+0x7e/0x430
[10380.599503]  ? __x64_sys_futex+0x12c/0x145
[10380.600477]  exit_to_usermode_loop+0x5d/0x70
[10380.601447]  do_syscall_64+0x21f/0x2e8
[10380.602420]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[10380.603352] RIP: 0033:0x7fd0025bdbac
[10380.604341] Code: Bad RIP value.
[10380.605264] RSP: 002b:00007fcff2afe590 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
[10380.606196] RAX: fffffffffffffe00 RBX: 00007fcff2b06608 RCX: 00007fd0025bdbac
[10380.607241] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fcff2b06630
[10380.608241] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[10380.609172] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000001ecc
[10380.610097] R13: 00007fcff2b065b0 R14: 0000000000000000 R15: 00007fcff2b06630
[10380.611023] ---[ end trace 3a96e3448f4194de ]---
[10380.611946] nouveau 0000:01:00.0: fifo: runlist 0 update timeout
[10382.850861] nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT]
[10382.851777] nouveau 0000:01:00.0: fifo: runlist 0: scheduled for recovery
[10382.852673] nouveau 0000:01:00.0: fifo: channel 5: killed
[10382.853560] nouveau 0000:01:00.0: fifo: engine 0: scheduled for recovery
[10382.854521] nouveau 0000:01:00.0: firefox[12157]: channel 5 killed!
[10395.612848] nouveau 0000:01:00.0: firefox[12157]: failed to idle channel 5 [firefox[12157]]

	-ss