Bug 92863

Summary:

Complete freeze even with NvGrUseFW=1

Product:

xorg

Reporter:

mike

Component:

Driver/nouveau

Assignee:

Nouveau Project <nouveau>

Status:

RESOLVED MOVED

QA Contact:

Xorg Project Team <xorg-team>

Severity:

normal

Priority:

medium

CC:

renda.krell

Version:

unspecified

Hardware:

x86-64 (AMD64)

OS:

Linux (All)

Whiteboard:

i915 platform:

i915 features:

Attachments:

Description	Flags
EVGA GTX-660SC vbios.rom	none

Description mike 2015-11-08 22:03:50 UTC

Created attachment 119489 [details]
EVGA GTX-660SC vbios.rom

[52879.546431] nouveau E[   PFIFO][0000:01:00.0] read fault at 0x0002974000 [PTE] from GR/GPC1/T1_0 on channel 0x023f741000 [Xorg[1978]]
[52879.546435] nouveau E[   PFIFO][0000:01:00.0] PGRAPH engine fault on channel 7, recovering...
[52879.546445] nouveau E[  PGRAPH][0000:01:00.0] TRAP ch 7 [0x023f741000 Xorg[1978]]
[52879.546451] nouveau E[  PGRAPH][0000:01:00.0] GPC0/TPC0/TEX: 0x80000049
[52879.546456] nouveau E[  PGRAPH][0000:01:00.0] GPC1/TPC0/TEX: 0x80000049
[52879.546460] nouveau E[  PGRAPH][0000:01:00.0] GPC1/TPC1/TEX: 0x80000049
[52879.546466] nouveau E[  PGRAPH][0000:01:00.0] GPC2/TPC0/TEX: 0x80000009
[52879.546470] nouveau E[  PGRAPH][0000:01:00.0] GPC2/TPC1/TEX: 0x80000009

lcpci:

01:00.0 VGA compatible controller: NVIDIA Corporation GK106 [GeForce GTX 660] (rev a1)

rpm -qa | grep "mesa-dri\|nouveau\|xorg-x11-serer":

mesa-dri-drivers-11.0.3-1.20151012.fc23.x86_64
xorg-x11-drv-nouveau-1.0.12-0.3.fc23.x86_64
mesa-dri-drivers-11.0.3-1.20151012.fc23.i686

uname -a:

Linux saturn 4.2.5-300.fc23.x86_64 #1 SMP Tue Oct 27 04:29:56 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux


dmesg | grep nouveau:

[    2.107108] fb: switching to nouveaufb from EFI VGA
[    2.108940] nouveau  [  DEVICE][0000:01:00.0] BOOT0  : 0x0e6000a1
[    2.108941] nouveau  [  DEVICE][0000:01:00.0] Chipset: GK106 (NVE6)
[    2.108942] nouveau  [  DEVICE][0000:01:00.0] Family : NVE0
[    2.168853] nouveau  [   VBIOS][0000:01:00.0] using image from PROM
[    2.168939] nouveau  [   VBIOS][0000:01:00.0] BIT signature found
[    2.168940] nouveau  [   VBIOS][0000:01:00.0] version 80.06.28.00.08
[    2.169185] nouveau  [     PMC][0000:01:00.0] MSI interrupts enabled
[    2.169230] nouveau  [     PFB][0000:01:00.0] RAM type: GDDR5
[    2.169230] nouveau  [     PFB][0000:01:00.0] RAM size: 2048 MiB
[    2.169231] nouveau  [     PFB][0000:01:00.0]    ZCOMP: 0 tags
[    2.171190] nouveau  [    VOLT][0000:01:00.0] GPU voltage: 862500uv
[    2.220669] nouveau  [  PTHERM][0000:01:00.0] FAN control: PWM
[    2.220682] nouveau  [  PTHERM][0000:01:00.0] fan management: automatic
[    2.220699] nouveau  [  PTHERM][0000:01:00.0] internal sensor: yes
[    2.220743] nouveau  [     CLK][0000:01:00.0] 07: core 324 MHz memory 648 MHz 
[    2.220760] nouveau  [     CLK][0000:01:00.0] 0a: core 324-862 MHz memory 1620 MHz 
[    2.220810] nouveau  [     CLK][0000:01:00.0] 0d: core 549-1280 MHz memory 6008 MHz 
[    2.220870] nouveau  [     CLK][0000:01:00.0] 0f: core 549-1280 MHz memory 6008 MHz 
[    2.220939] nouveau  [     CLK][0000:01:00.0] --: core 324 MHz memory 648 MHz 
[    2.341538] nouveau  [  PGRAPH][0000:01:00.0] using external firmware
[    2.342216] nouveau  [     DRM] VRAM: 2048 MiB
[    2.342218] nouveau  [     DRM] GART: 1048576 MiB
[    2.342223] nouveau  [     DRM] TMDS table version 2.0
[    2.342225] nouveau  [     DRM] DCB version 4.0
[    2.342229] nouveau  [     DRM] DCB outp 00: 02000f00 00000000
[    2.342231] nouveau  [     DRM] DCB outp 01: 01000f02 00020030
[    2.342233] nouveau  [     DRM] DCB outp 03: 02011f62 00020010
[    2.342235] nouveau  [     DRM] DCB outp 04: 04822fb6 0f420010
[    2.342238] nouveau  [     DRM] DCB outp 05: 04022f72 00020010
[    2.342240] nouveau  [     DRM] DCB outp 06: 08033f82 00020030
[    2.342242] nouveau  [     DRM] DCB conn 00: 00001030
[    2.342245] nouveau  [     DRM] DCB conn 01: 00010161
[    2.342247] nouveau  [     DRM] DCB conn 02: 00020246
[    2.342249] nouveau  [     DRM] DCB conn 03: 01000331
[    2.352372] nouveau  [     DRM] MM: using COPY for buffer copies
[    2.644912] nouveau  [     DRM] allocated 1920x1080 fb: 0x60000, bo ffff88040931e000
[    2.645016] fbcon: nouveaufb (fb0) is primary device
[    3.131691] nouveau 0000:01:00.0: fb0: nouveaufb frame buffer device
[    3.131692] nouveau 0000:01:00.0: registered panic notifier
[    3.146749] [drm] Initialized nouveau 1.2.2 20120801 for 0000:01:00.0 on minor 0
[52879.546431] nouveau E[   PFIFO][0000:01:00.0] read fault at 0x0002974000 [PTE] from GR/GPC1/T1_0 on channel 0x023f741000 [Xorg[1978]]
[52879.546435] nouveau E[   PFIFO][0000:01:00.0] PGRAPH engine fault on channel 7, recovering...
[52879.546445] nouveau E[  PGRAPH][0000:01:00.0] TRAP ch 7 [0x023f741000 Xorg[1978]]
[52879.546451] nouveau E[  PGRAPH][0000:01:00.0] GPC0/TPC0/TEX: 0x80000049
[52879.546456] nouveau E[  PGRAPH][0000:01:00.0] GPC1/TPC0/TEX: 0x80000049
[52879.546460] nouveau E[  PGRAPH][0000:01:00.0] GPC1/TPC1/TEX: 0x80000049
[52879.546466] nouveau E[  PGRAPH][0000:01:00.0] GPC2/TPC0/TEX: 0x80000009
[52879.546470] nouveau E[  PGRAPH][0000:01:00.0] GPC2/TPC1/TEX: 0x80000009

Comment 1 mike 2015-11-08 22:05:22 UTC

I'm happy to help if you lead me to how and what you need, thanks.

Comment 2 mike 2015-11-08 22:11:20 UTC

To reduce some ambiguity, I was running KDE Plasma 5 on Fedora 23 at the time, browsing github. Firefox acceleration (OMTC) has been turned off. 

All peripherals are dead, but I was able to SSH in, which is how I acquired the above information. 

Interestingly, you can stop sddm / kill x, and the screen will go blank after a few minutes (about 5), but if you startx again (or sddm) the displays shows what was last shown (i.e. exactly where it locked up, the same image before it blanked.) The screen doesn't blank without killing anything, though.

Comment 3 Ben Skeggs 2015-11-08 22:12:24 UTC

What about without NvGrUseFW=1?  Is it the same kind of lockup?

Comment 4 mike 2015-11-08 23:13:30 UTC

[    1.716481] fb: switching to nouveaufb from EFI VGA
[    1.716744] nouveau  [  DEVICE][0000:01:00.0] BOOT0  : 0x0e6000a1
[    1.716745] nouveau  [  DEVICE][0000:01:00.0] Chipset: GK106 (NVE6)
[    1.716746] nouveau  [  DEVICE][0000:01:00.0] Family : NVE0
[    1.776515] nouveau  [   VBIOS][0000:01:00.0] using image from PROM
[    1.776601] nouveau  [   VBIOS][0000:01:00.0] BIT signature found
[    1.776603] nouveau  [   VBIOS][0000:01:00.0] version 80.06.28.00.08
[    1.776851] nouveau  [     PMC][0000:01:00.0] MSI interrupts enabled
[    1.776900] nouveau  [     PFB][0000:01:00.0] RAM type: GDDR5
[    1.776901] nouveau  [     PFB][0000:01:00.0] RAM size: 2048 MiB
[    1.776902] nouveau  [     PFB][0000:01:00.0]    ZCOMP: 0 tags
[    1.778847] nouveau  [    VOLT][0000:01:00.0] GPU voltage: 862500uv
[    1.828519] nouveau  [  PTHERM][0000:01:00.0] FAN control: PWM
[    1.828532] nouveau  [  PTHERM][0000:01:00.0] fan management: automatic
[    1.828555] nouveau  [  PTHERM][0000:01:00.0] internal sensor: yes
[    1.828599] nouveau  [     CLK][0000:01:00.0] 07: core 324 MHz memory 648 MHz 
[    1.828617] nouveau  [     CLK][0000:01:00.0] 0a: core 324-862 MHz memory 1620 MHz 
[    1.828667] nouveau  [     CLK][0000:01:00.0] 0d: core 549-1280 MHz memory 6008 MHz 
[    1.828728] nouveau  [     CLK][0000:01:00.0] 0f: core 549-1280 MHz memory 6008 MHz 
[    1.828796] nouveau  [     CLK][0000:01:00.0] --: core 324 MHz memory 648 MHz 
[    1.950416] nouveau  [     DRM] VRAM: 2048 MiB
[    1.950425] nouveau  [     DRM] GART: 1048576 MiB
[    1.950429] nouveau  [     DRM] TMDS table version 2.0
[    1.950430] nouveau  [     DRM] DCB version 4.0
[    1.950432] nouveau  [     DRM] DCB outp 00: 02000f00 00000000
[    1.950434] nouveau  [     DRM] DCB outp 01: 01000f02 00020030
[    1.950436] nouveau  [     DRM] DCB outp 03: 02011f62 00020010
[    1.950437] nouveau  [     DRM] DCB outp 04: 04822fb6 0f420010
[    1.950438] nouveau  [     DRM] DCB outp 05: 04022f72 00020010
[    1.950440] nouveau  [     DRM] DCB outp 06: 08033f82 00020030
[    1.950441] nouveau  [     DRM] DCB conn 00: 00001030
[    1.950443] nouveau  [     DRM] DCB conn 01: 00010161
[    1.950445] nouveau  [     DRM] DCB conn 02: 00020246
[    1.950446] nouveau  [     DRM] DCB conn 03: 01000331
[    1.957375] nouveau  [     DRM] MM: using COPY for buffer copies
[    2.257255] nouveau  [     DRM] allocated 1920x1080 fb: 0x60000, bo ffff880408faa000
[    2.257345] fbcon: nouveaufb (fb0) is primary device
[    2.744011] nouveau 0000:01:00.0: fb0: nouveaufb frame buffer device
[    2.744012] nouveau 0000:01:00.0: registered panic notifier
[    2.746206] [drm] Initialized nouveau 1.2.2 20120801 for 0000:01:00.0 on minor 0
[   59.151525] nouveau E[   PFIFO][0000:01:00.0] SCHED_ERROR [ CTXSW_TIMEOUT ]
[   59.151530] nouveau E[   PFIFO][0000:01:00.0] PGRAPH engine fault on channel 7, recovering...

This is stock F23 now, but yesterday I observed the same behavior in new code with the 4.4 kernel and mesa 11.1.1-dev here: https://bugs.freedesktop.org/show_bug.cgi?id=72180#c43

I tried various things, including "options nouveau config=War00C800_0=1" and confirming by observing the workaround output in dmesg. Still crashes.

Comment 5 mike 2015-11-08 23:16:15 UTC

I suppose that I forgot to mention that this happens nearly instantaneously without PGRAPH firmware. We're talking about 30-seconds or so after loading up konsole and checking dmesg. Maybe related to kwin effects.

Comment 6 mike 2015-11-09 23:57:50 UTC

[52726.387384] nouveau E[   PFIFO][0000:01:00.0] read fault at 0x0002a10000 [PTE] from GR/GPC1/T1_0 on channel 0x023f55f000 [Xorg[2023]]
[52726.387388] nouveau E[   PFIFO][0000:01:00.0] PGRAPH engine fault on channel 9, recovering...
[52726.387398] nouveau E[  PGRAPH][0000:01:00.0] TRAP ch 9 [0x023f55f000 Xorg[2023]]
[52726.387404] nouveau E[  PGRAPH][0000:01:00.0] GPC0/TPC0/TEX: 0x80000049
[52726.387409] nouveau E[  PGRAPH][0000:01:00.0] GPC1/TPC0/TEX: 0x80000049
[52726.387413] nouveau E[  PGRAPH][0000:01:00.0] GPC1/TPC1/TEX: 0x80000049
[52726.387419] nouveau E[  PGRAPH][0000:01:00.0] GPC2/TPC0/TEX: 0x80000049
[52726.387423] nouveau E[  PGRAPH][0000:01:00.0] GPC2/TPC1/TEX: 0x80000049


another at random today, while browsing with firefox 42.

About the same time-frame between lockups.

Comment 7 Ilia Mirkin 2015-11-10 00:03:16 UTC

Are you, perchance, enabling DRI3 in your xorg.conf? If so, try sticking to DRI2.

Comment 8 mike 2015-11-10 00:16:13 UTC

I did in fact enable DRI3, or well... at least Xorg says it's allowed.

[    13.582] (**) NOUVEAU(0): Option "DRI" "3"
[    13.582] (**) NOUVEAU(0): Allowed maximum DRI level 3.


However, bear in mind that I only did so in my quest to find a way to stop the freezing. I'll set it back, not problem, but I suspect that I'll be back with a similar error.

Comment 9 mike 2015-11-10 17:10:55 UTC

[61117.028780] nouveau E[   PFIFO][0000:01:00.0] read fault at 0x0002456000 [PTE] from GR/GPC2/T1_0 on channel 0x023f650000 [plasmashell[15103]]
[61117.028784] nouveau E[   PFIFO][0000:01:00.0] PGRAPH engine fault on channel 8, recovering...
[61117.028793] nouveau E[  PGRAPH][0000:01:00.0] TRAP ch 8 [0x023f650000 plasmashell[15103]]
[61117.028799] nouveau E[  PGRAPH][0000:01:00.0] GPC0/TPC0/TEX: 0x80000049
[61117.028804] nouveau E[  PGRAPH][0000:01:00.0] GPC1/TPC0/TEX: 0x80000049
[61117.028808] nouveau E[  PGRAPH][0000:01:00.0] GPC1/TPC1/TEX: 0x80000049
[61117.028814] nouveau E[  PGRAPH][0000:01:00.0] GPC2/TPC0/TEX: 0x80000049
[61117.028818] nouveau E[  PGRAPH][0000:01:00.0] GPC2/TPC1/TEX: 0x80000049
[61196.361410] nouveau E[Xorg[14738]] failed to idle channel 0xcccc0000 [Xorg[14738]]
[61211.347041] nouveau E[Xorg[14738]] failed to idle channel 0xcccc0000 [Xorg[14738]]
[61211.348250] nouveau E[   PFIFO][0000:01:00.0] read fault at 0x0000023000 [PTE] from PBDMA0/HOST_CPU on channel 0x023fc20000 [unknown]
[61226.391616] nouveau E[kwin_x11[15043]] failed to idle channel 0xcccc0000 [kwin_x11[15043]]
[61241.377248] nouveau E[kwin_x11[15043]] failed to idle channel 0xcccc0000 [kwin_x11[15043]]
[61256.373870] nouveau E[abrt-applet[15208]] failed to idle channel 0xcccc0000 [abrt-applet[15208]]
[61271.359500] nouveau E[abrt-applet[15208]] failed to idle channel 0xcccc0000 [abrt-applet[15208]]
[61272.787225] nouveau E[     DRM] GPU lockup - switching to software fbcon
[61286.430049] nouveau E[krunner[15049]] failed to idle channel 0xcccc0000 [krunner[15049]]
[61301.415681] nouveau E[krunner[15049]] failed to idle channel 0xcccc0000 [krunner[15049]]
[61316.413300] nouveau E[owncloud[15369]] failed to idle channel 0xcccc0000 [owncloud[15369]]
[61331.398930] nouveau E[owncloud[15369]] failed to idle channel 0xcccc0000 [owncloud[15369]]
[61346.394552] nouveau E[konversation[15193]] failed to idle channel 0xcccc0000 [konversation[15193]]
[61361.380183] nouveau E[konversation[15193]] failed to idle channel 0xcccc0000 [konversation[15193]]
[61376.372810] nouveau E[Compositor[8716]] failed to idle channel 0xcccc0000 [Compositor[8716]]
[61391.358520] nouveau E[Compositor[8716]] failed to idle channel 0xcccc0000 [Compositor[8716]]
[61406.348148] nouveau E[plasmashell[15103]] failed to idle channel 0xcccc0000 [plasmashell[15103]]
[61421.333780] nouveau E[plasmashell[15103]] failed to idle channel 0xcccc0000 [plasmashell[15103]]
[61436.335397] nouveau E[Compositor[9501]] failed to idle channel 0xcccc0000 [Compositor[9501]]
[61451.321028] nouveau E[Compositor[9501]] failed to idle channel 0xcccc0000 [Compositor[9501]]
[61466.314650] nouveau E[Compositor[10121]] failed to idle channel 0xcccc0000 [Compositor[10121]]
[61481.300274] nouveau E[Compositor[10121]] failed to idle channel 0xcccc0000 [Compositor[10121]]

Comment 10 mike 2015-11-10 21:47:49 UTC

[    2.087715] nouveau  [  DEVICE][0000:01:00.0] BOOT0  : 0x0e6000a1
[    2.087716] nouveau  [  DEVICE][0000:01:00.0] Chipset: GK106 (NVE6)
[    2.087717] nouveau  [  DEVICE][0000:01:00.0] Family : NVE0
[    2.147941] nouveau  [   VBIOS][0000:01:00.0] using image from PROM
[    2.148026] nouveau  [   VBIOS][0000:01:00.0] BIT signature found
[    2.148028] nouveau  [   VBIOS][0000:01:00.0] version 80.06.28.00.08
[    2.148267] nouveau  [     PMC][0000:01:00.0] MSI interrupts enabled
[    2.148309] nouveau  [     PFB][0000:01:00.0] RAM type: GDDR5
[    2.148310] nouveau  [     PFB][0000:01:00.0] RAM size: 2048 MiB
[    2.148311] nouveau  [     PFB][0000:01:00.0]    ZCOMP: 0 tags
[    2.150251] nouveau  [    VOLT][0000:01:00.0] GPU voltage: 862500uv
[    2.199717] nouveau  [  PTHERM][0000:01:00.0] FAN control: PWM
[    2.199730] nouveau  [  PTHERM][0000:01:00.0] fan management: automatic
[    2.199747] nouveau  [  PTHERM][0000:01:00.0] internal sensor: yes
[    2.199799] nouveau  [     CLK][0000:01:00.0] 07: core 324 MHz memory 648 MHz 
[    2.199817] nouveau  [     CLK][0000:01:00.0] 0a: core 324-862 MHz memory 1620 MHz 
[    2.199867] nouveau  [     CLK][0000:01:00.0] 0d: core 549-1280 MHz memory 6008 MHz 
[    2.199927] nouveau  [     CLK][0000:01:00.0] 0f: core 549-1280 MHz memory 6008 MHz 
[    2.199996] nouveau  [     CLK][0000:01:00.0] --: core 324 MHz memory 648 MHz 
[    2.321325] nouveau  [  PGRAPH][0000:01:00.0] using external firmware
[    2.321845] nouveau  [     DRM] VRAM: 2048 MiB
[    2.321847] nouveau  [     DRM] GART: 1048576 MiB
[    2.321852] nouveau  [     DRM] TMDS table version 2.0
[    2.321854] nouveau  [     DRM] DCB version 4.0
[    2.321857] nouveau  [     DRM] DCB outp 00: 02000f00 00000000
[    2.321860] nouveau  [     DRM] DCB outp 01: 01000f02 00020030
[    2.321862] nouveau  [     DRM] DCB outp 03: 02011f62 00020010
[    2.321864] nouveau  [     DRM] DCB outp 04: 04822fb6 0f420010
[    2.321866] nouveau  [     DRM] DCB outp 05: 04022f72 00020010
[    2.321868] nouveau  [     DRM] DCB outp 06: 08033f82 00020030
[    2.321870] nouveau  [     DRM] DCB conn 00: 00001030
[    2.321873] nouveau  [     DRM] DCB conn 01: 00010161
[    2.321875] nouveau  [     DRM] DCB conn 02: 00020246
[    2.321877] nouveau  [     DRM] DCB conn 03: 01000331
[    2.331934] nouveau  [     DRM] MM: using COPY for buffer copies
[    2.618631] nouveau  [     DRM] allocated 1920x1080 fb: 0x60000, bo ffff880408cea000
[    2.618767] fbcon: nouveaufb (fb0) is primary device
[    3.105431] nouveau 0000:01:00.0: fb0: nouveaufb frame buffer device
[    3.105431] nouveau 0000:01:00.0: registered panic notifier
[    3.117562] [drm] Initialized nouveau 1.2.2 20120801 for 0000:01:00.0 on minor 0
[ 4940.515646] nouveau E[   PFIFO][0000:01:00.0] PBDMA0: SIGNATURE
[ 4940.515652] nouveau E[   PFIFO][0000:01:00.0] PBDMA0: ch 16 [dolphin[8564]] subc 7 mthd 0x1808 data 0x0017180a
[ 4940.515668] nouveau E[   PFIFO][0000:01:00.0] PBDMA0: SIGNATURE
[ 4940.515670] nouveau E[   PFIFO][0000:01:00.0] PBDMA0: ch 16 [dolphin[8564]] subc 7 mthd 0x1808 data 0x0017180a
[ 4940.515682] nouveau E[   PFIFO][0000:01:00.0] PBDMA0: GPPTR PBENTRY SIGNATURE
[ 4940.515684] nouveau E[   PFIFO][0000:01:00.0] PBDMA0: ch 16 [dolphin[8564]] subc 7 mthd 0x1808 data 0x0017180a
[ 4940.515695] nouveau E[   PFIFO][0000:01:00.0] PBDMA0: GPPTR PBENTRY SIGNATURE
[ 4940.515697] nouveau E[   PFIFO][0000:01:00.0] PBDMA0: ch 16 [dolphin[8564]] subc 7 mthd 0x1808 data 0x0017180a
[ 4940.515709] nouveau E[   PFIFO][0000:01:00.0] PBDMA0: GPPTR PBENTRY SIGNATURE
[ 4940.515710] nouveau E[   PFIFO][0000:01:00.0] PBDMA0: ch 16 [dolphin[8564]] subc 7 mthd 0x1808 data 0x0017180a
[ 4940.515723] nouveau E[   PFIFO][0000:01:00.0] PBDMA0: GPPTR SIGNATURE
[ 4940.515725] nouveau E[   PFIFO][0000:01:00.0] PBDMA0: ch 16 [dolphin[8564]] subc 7 mthd 0x1808 data 0x0017180a
[ 4940.515727] nouveau E[   PFIFO][0000:01:00.0] PBDMA0: HCE_RE_ILLEGAL_OP
[ 4940.515730] nouveau E[   PFIFO][0000:01:00.0] PBDMA0: ch 16 00001808 0017180a
[ 4940.515739] nouveau E[   PFIFO][0000:01:00.0] PBDMA0: SIGNATURE
[ 4940.515741] nouveau E[   PFIFO][0000:01:00.0] PBDMA0: ch 16 [dolphin[8564]] subc 7 mthd 0x1808 data 0x0017180a
[ 4940.515753] nouveau E[   PFIFO][0000:01:00.0] PBDMA0: SIGNATURE
[ 4940.515754] nouveau E[   PFIFO][0000:01:00.0] PBDMA0: ch 16 [dolphin[8564]] subc 7 mthd 0x1808 data 0x0017180a
[ 4940.515772] nouveau E[   PFIFO][0000:01:00.0] PBDMA0: SIGNATURE
[ 4940.515774] nouveau E[   PFIFO][0000:01:00.0] PBDMA0: ch 16 [dolphin[8564]] subc 7 mthd 0x1808 data 0x0017180a
[ 4940.515785] nouveau E[   PFIFO][0000:01:00.0] PBDMA0: SIGNATURE
[ 4940.515787] nouveau E[   PFIFO][0000:01:00.0] PBDMA0: ch 16 [dolphin[8564]] subc 7 mthd 0x1808 data 0x0017180a
[ 4940.515800] nouveau E[   PFIFO][0000:01:00.0] read fault at 0x02000f1000 [VA_LIMIT_VIOLATION] from PBDMA0/HOST on channel 0x023eec4000 [unknown]

Comment 11 mike 2015-11-11 19:36:02 UTC

Hi, I got tired of suffering freezes every few hours, so I had to move back to the proprietary driver. 

Please let me know if you have a plan of attack for this, and I'll work with you as best as possible. I won't be further updating this bug with any new crashes as a result.

Comment 12 René Krell 2016-08-08 13:25:34 UTC

Isn't bug #95054 related, or at least my comments there?
I have a similar problem on a HP ZBook 15 G2 (GK208), kernel 4.5.4, see my comments and attachment in bug #95054.

Comment 13 Martin Peres 2019-12-04 09:06:05 UTC

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