[Nouveau] GT 730 freeze : how do diagnose / debug ?

[Vincent Vanackere]

Hi,

 I own an Asus GT730-SL-2GD3-BRK, trying to drive two monitors at 2560x1440
resolution. Using gnome-shell with either Xorg or wayland I get screen
freezes very frequently. Those freezes usually require a reboot to get
working graphics (below a sample trace that I got yesterday).
 I am running Ubuntu 17.04 with the latest kernels avalable, I also tested
various more recent kernels including the latest drm tree at
https://cgit.freedesktop.org/~airlied/linux/log/?h=drm-next but the problem
always occurs.
 When a freeze occurs, the computer is still reachable through ssh but the
only action I found so far to get graphics back is to restart the computer.
  I am willing to run diagnostics programs or test any patch if it would
help. I'm also not excluding the possibility that I may have some faulty
hardware so any hardwae-health-test advice would be welcome...

Regards,

Vincent Vanackère

[    1.199135] nouveau 0000:01:00.0: NVIDIA GK208B (b06070b1)
[    1.319930] nouveau 0000:01:00.0: bios: version 80.28.92.00.10
[    1.322095] nouveau 0000:01:00.0: fb: 2048 MiB DDR3
[    2.620362] nouveau 0000:01:00.0: DRM: VRAM: 2048 MiB
[    2.620362] nouveau 0000:01:00.0: DRM: GART: 1048576 MiB
[    2.620364] nouveau 0000:01:00.0: DRM: TMDS table version 2.0
[    2.620378] nouveau 0000:01:00.0: DRM: DCB version 4.0
[    2.620379] nouveau 0000:01:00.0: DRM: DCB outp 00: 01000f02 00020030
[    2.620380] nouveau 0000:01:00.0: DRM: DCB outp 01: 02011f62 00020010
[    2.620380] nouveau 0000:01:00.0: DRM: DCB outp 02: 02022f10 00000000
[    2.620381] nouveau 0000:01:00.0: DRM: DCB conn 00: 00001031
[    2.620381] nouveau 0000:01:00.0: DRM: DCB conn 01: 00002161
[    2.620382] nouveau 0000:01:00.0: DRM: DCB conn 02: 00000200
[    2.666199] nouveau 0000:01:00.0: hwmon_device_register() is deprecated.
Please convert the driver to use hwmon_device_register_with_info().
[    2.717519] nouveau 0000:01:00.0: DRM: MM: using COPY for buffer copies
[    2.992994] nouveau 0000:01:00.0: DRM: allocated 2560x1440 fb: 0x60000,
bo ffff8cd1499f8000
[    3.025200] fbcon: nouveaufb (fb0) is primary device
[    3.253561] nouveau 0000:01:00.0: fb0: nouveaufb frame buffer device
[    3.268163] [drm] Initialized nouveau 1.3.1 20120801 for 0000:01:00.0 on
minor 0
[ 2150.225651] nouveau 0000:01:00.0: fifo: read fault at 0006710000 engine
00 [GR] client 02 [GPC0/PE_0] reason 02 [PTE] on channel 31 [007e8cb000
Xwayland[3019]]
[ 2150.225662] nouveau 0000:01:00.0: fifo: channel 31: killed
[ 2150.225663] nouveau 0000:01:00.0: fifo: runlist 0: scheduled for recovery
[ 2150.225666] nouveau 0000:01:00.0: fifo: engine 0: scheduled for recovery
[ 2150.225669] nouveau 0000:01:00.0: Xwayland[3019]: channel 31 killed!
[ 2296.863975] Workqueue: events_unbound nv50_disp_atomic_commit_work
[nouveau]
[ 2296.863990]  ? nvkm_ioctl_ntfy_get+0x69/0xb0 [nouveau]
[ 2296.864032]  nv50_disp_atomic_commit_tail+0x55/0x3a00 [nouveau]
[ 2296.864047]  nv50_disp_atomic_commit_work+0x12/0x20 [nouveau]
[ 2296.864118] Workqueue: events_unbound nv50_disp_atomic_commit_work
[nouveau]
[ 2296.864138]  ? nouveau_bo_rd32+0x2a/0x30 [nouveau]
[ 2296.864153]  ? nv84_fence_read+0x2e/0x30 [nouveau]
[ 2296.864175]  nv50_disp_atomic_commit_tail+0x55/0x3a00 [nouveau]
[ 2296.864189]  nv50_disp_atomic_commit_work+0x12/0x20 [nouveau]
[ 2417.699641] Workqueue: events_unbound nv50_disp_atomic_commit_work
[nouveau]
[ 2417.699656]  ? nvkm_ioctl_ntfy_get+0x69/0xb0 [nouveau]
[ 2417.699688]  nv50_disp_atomic_commit_tail+0x55/0x3a00 [nouveau]
[ 2417.699705]  nv50_disp_atomic_commit_work+0x12/0x20 [nouveau]
[ 2417.699785] Workqueue: events_unbound nv50_disp_atomic_commit_work
[nouveau]
[ 2417.699808]  ? nouveau_bo_rd32+0x2a/0x30 [nouveau]
[ 2417.699825]  ? nv84_fence_read+0x2e/0x30 [nouveau]
[ 2417.699851]  nv50_disp_atomic_commit_tail+0x55/0x3a00 [nouveau]
[ 2417.699867]  nv50_disp_atomic_commit_work+0x12/0x20 [nouveau]
[ 2538.535424] Workqueue: events_unbound nv50_disp_atomic_commit_work
[nouveau]
[ 2538.535439]  ? nvkm_ioctl_ntfy_get+0x69/0xb0 [nouveau]
[ 2538.535469]  nv50_disp_atomic_commit_tail+0x55/0x3a00 [nouveau]
[ 2538.535485]  nv50_disp_atomic_commit_work+0x12/0x20 [nouveau]
[ 2538.535555] Workqueue: events_unbound nv50_disp_atomic_commit_work
[nouveau]
[ 2538.535576]  ? nouveau_bo_rd32+0x2a/0x30 [nouveau]
[ 2538.535591]  ? nv84_fence_read+0x2e/0x30 [nouveau]
[ 2538.535614]  nv50_disp_atomic_commit_tail+0x55/0x3a00 [nouveau]
[ 2538.535628]  nv50_disp_atomic_commit_work+0x12/0x20 [nouveau]
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