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[Bug 1240869] Re: nouveau spits errors and hangs when ubuntu search window is openned

To: desktop-packages@xxxxxxxxxxxxxxxxxxx
From: peter swain <swine@xxxxxxxxx>
Date: Fri, 04 Dec 2015 07:54:18 -0000
Reply-to: Bug 1240869 <1240869@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
I was afflicted by a similar rolling-ttm_validate hang, see bug#1434396 comment#25
Solution in my case was 'apt-get install pam-kwallet5'

If this helps here too, then it might be worth looking at how events
from multiple displays are handled, when they're actually from a common
all-displays client (like the lock screen)

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https://bugs.launchpad.net/bugs/1240869

Title:
  nouveau spits errors and hangs when ubuntu  search window is openned

Status in xserver-xorg-video-nouveau package in Ubuntu:
  Confirmed
Status in libdrm package in Arch Linux:
  New

Bug description:
  Every time I open that Ubuntu search thing computer starts to lag.
  Sometimes blurred backdrop disappears, sometimes other random controls
  turn green (that is, solid rectangle instead of graphics). Computer
  even completely froze once.

  The video adapter is GeForce 8400 GS. Desktop resolution is 1920x1200.
  I've got an impression that this didn't occur with previous, much
  smaller screen (the PC is at work, and that monitor got replaced soon
  after I started to work there). So this might be caused by lack of
  resources or something.

  For instance, Workspace Switched doesn't cause anything, even though
  it's probably graphics intense, too (tossing 8 full HD images of
  desktops around, after all)

  If I do `tail -f /var/log/syslog', I notice that nouveau spits a lot of errors. 
  Here is excerpt from the log (the full log is attached):

  Oct 17 12:08:34 fiva kernel: [ 3119.929471] nouveau E[     DRM] fail ttm_validate
  Oct 17 12:08:34 fiva kernel: [ 3119.929476] nouveau E[     DRM] validate vram_list
  Oct 17 12:08:34 fiva kernel: [ 3119.929518] nouveau E[     DRM] validate: -12
  Oct 17 12:08:34 fiva kernel: [ 3120.062026] nouveau E[  PGRAPH][0000:01:00.0] TRAP_TPDMA_RT - TP 0 - Unknown fault at address 004ed60000
  Oct 17 12:08:34 fiva kernel: [ 3120.062032] nouveau E[  PGRAPH][0000:01:00.0] TRAP_TPDMA_RT - TP 0 - e0c: 00000000, e18: 00000000, e1c: 00000000, e20: 00001100, e24: 00030000
  Oct 17 12:08:34 fiva kernel: [ 3120.062036] nouveau E[  PGRAPH][0000:01:00.0]  TRAP
  Oct 17 12:08:34 fiva kernel: [ 3120.062043] nouveau E[  PGRAPH][0000:01:00.0] ch 4 [0x000fc34000] subc 3 class 0x8297 mthd 0x1b0c data 0x1000f010
  Oct 17 12:08:34 fiva kernel: [ 3120.062058] nouveau E[     PFB][0000:01:00.0] trapped write at 0x004ed60000 on channel 0x0000fc34 PGRAPH/PROP/RT0 reason: PAGE_NOT_PRESENT
  Oct 17 12:08:34 fiva kernel: [ 3120.062077] nouveau E[  PGRAPH][0000:01:00.0] TRAP_TPDMA_RT - TP 0 - Unknown fault at address 004ed6e400
  Oct 17 12:08:34 fiva kernel: [ 3120.062082] nouveau E[  PGRAPH][0000:01:00.0] TRAP_TPDMA_RT - TP 0 - e0c: 00000000, e18: 00000000, e1c: 001000e0, e20: 00001100, e24: 00030000
  Oct 17 12:08:34 fiva kernel: [ 3120.062085] nouveau E[  PGRAPH][0000:01:00.0]  TRAP
  Oct 17 12:08:34 fiva kernel: [ 3120.062090] nouveau E[  PGRAPH][0000:01:00.0] ch 4 [0x000fc34000] subc 3 class 0x8297 mthd 0x1b0c data 0x1000f010
  Oct 17 12:08:34 fiva kernel: [ 3120.062098] nouveau E[     PFB][0000:01:00.0] trapped write at 0x004ed77100 on channel 0x0000fc34 PGRAPH/PROP/RT0 reason: PAGE_NOT_PRESENT
  Oct 17 12:08:34 fiva kernel: [ 3120.062133] nouveau E[  PGRAPH][0000:01:00.0] TRAP_TPDMA_RT - TP 0 - Unknown fault at address 004ed80500
  Oct 17 12:08:34 fiva kernel: [ 3120.062137] nouveau E[  PGRAPH][0000:01:00.0] TRAP_TPDMA_RT - TP 0 - e0c: 00000000, e18: 00000000, e1c: 00140200, e20: 00001100, e24: 00030000
  Oct 17 12:08:34 fiva kernel: [ 3120.062140] nouveau E[  PGRAPH][0000:01:00.0]  TRAP
  Oct 17 12:08:34 fiva kernel: [ 3120.062145] nouveau E[  PGRAPH][0000:01:00.0] ch 4 [0x000fc34000] subc 3 class 0x8297 mthd 0x1b0c data 0x1000f010
  Oct 17 12:08:34 fiva kernel: [ 3120.062155] nouveau E[     PFB][0000:01:00.0] trapped write at 0x004ed85500 on channel 0x0000fc34 PGRAPH/PROP/RT0 reason: PAGE_NOT_PRESENT
  Oct 17 12:08:34 fiva kernel: [ 3120.080363] nouveau E[  PGRAPH][0000:01:00.0] TRAP_TPDMA_RT - TP 0 - Unknown fault at address 004ed93700
  Oct 17 12:08:34 fiva kernel: [ 3120.080367] nouveau E[  PGRAPH][0000:01:00.0] TRAP_TPDMA_RT - TP 0 - e0c: 00000000, e18: 00000000, e1c: 001c0330, e20: 00001100, e24: 00030000
  Oct 17 12:08:34 fiva kernel: [ 3120.080369] nouveau E[  PGRAPH][0000:01:00.0]  TRAP
  Oct 17 12:08:34 fiva kernel: [ 3120.080374] nouveau E[  PGRAPH][0000:01:00.0] ch 4 [0x000fc34000] subc 3 class 0x8297 mthd 0x1b0c data 0x1000f010
  Oct 17 12:08:34 fiva kernel: [ 3120.080385] nouveau E[     PFB][0000:01:00.0] trapped write at 0x004ed97400 on channel 0x0000fc34 PGRAPH/PROP/RT0 reason: PAGE_NOT_PRESENT
  Oct 17 12:08:35 fiva kernel: [ 3120.249080] nouveau E[  PGRAPH][0000:01:00.0] magic set 0:
  Oct 17 12:08:35 fiva kernel: [ 3120.249086] nouveau E[  PGRAPH][0000:01:00.0]   0x00408904: 0x20094c01
  Oct 17 12:08:35 fiva kernel: [ 3120.249090] nouveau E[  PGRAPH][0000:01:00.0]   0x00408908: 0x08000400
  Oct 17 12:08:35 fiva kernel: [ 3120.249093] nouveau E[  PGRAPH][0000:01:00.0]   0x0040890c: 0x40000432
  Oct 17 12:08:35 fiva kernel: [ 3120.249096] nouveau E[  PGRAPH][0000:01:00.0]   0x00408910: 0x04000000
  Oct 17 12:08:35 fiva kernel: [ 3120.249100] nouveau E[  PGRAPH][0000:01:00.0] TRAP_TEXTURE - TP0: Unhandled ustatus 0x00000003
  Oct 17 12:08:35 fiva kernel: [ 3120.249102] nouveau E[  PGRAPH][0000:01:00.0]  TRAP
  Oct 17 12:08:35 fiva kernel: [ 3120.249109] nouveau E[  PGRAPH][0000:01:00.0] ch 4 [0x000fc34000] subc 3 class 0x8297 mthd 0x0f04 data 0x00000000
  Oct 17 12:08:35 fiva kernel: [ 3120.249118] nouveau E[     PFB][0000:01:00.0] trapped read at 0x0800040000 on channel 0x0000fc34 PGRAPH/TEXTURE/00 reason: PT_NOT_PRESENT
  Oct 17 12:08:35 fiva kernel: [ 3120.412063] nouveau E[  PGRAPH][0000:01:00.0] magic set 0:
  Oct 17 12:08:35 fiva kernel: [ 3120.412069] nouveau E[  PGRAPH][0000:01:00.0]   0x00408904: 0x20091a01
  Oct 17 12:08:35 fiva kernel: [ 3120.412073] nouveau E[  PGRAPH][0000:01:00.0]   0x00408908: 0x08000100
  Oct 17 12:08:35 fiva kernel: [ 3120.412077] nouveau E[  PGRAPH][0000:01:00.0]   0x0040890c: 0x40000432
  Oct 17 12:08:35 fiva kernel: [ 3120.412080] nouveau E[  PGRAPH][0000:01:00.0]   0x00408910: 0x01000000
  Oct 17 12:08:35 fiva kernel: [ 3120.412083] nouveau E[  PGRAPH][0000:01:00.0] TRAP_TEXTURE - TP0: Unhandled ustatus 0x00000003
  Oct 17 12:08:35 fiva kernel: [ 3120.412086] nouveau E[  PGRAPH][0000:01:00.0]  TRAP
  Oct 17 12:08:35 fiva kernel: [ 3120.412092] nouveau E[  PGRAPH][0000:01:00.0] ch 4 [0x000fc34000] subc 3 class 0x8297 mthd 0x0f04 data 0x00000000
  Oct 17 12:08:35 fiva kernel: [ 3120.412108] nouveau E[     PFB][0000:01:00.0] trapped read at 0x0800010000 on channel 0x0000fc34 PGRAPH/TEXTURE/00 reason: PT_NOT_PRESENT
  Oct 17 12:08:35 fiva kernel: [ 3120.532794] nouveau E[  PGRAPH][0000:01:00.0] magic set 0:
  Oct 17 12:08:35 fiva kernel: [ 3120.532800] nouveau E[  PGRAPH][0000:01:00.0]   0x00408904: 0x20082401
  Oct 17 12:08:35 fiva kernel: [ 3120.532803] nouveau E[  PGRAPH][0000:01:00.0]   0x00408908: 0x08000400
  Oct 17 12:08:35 fiva kernel: [ 3120.532806] nouveau E[  PGRAPH][0000:01:00.0]   0x0040890c: 0x40000432
  Oct 17 12:08:35 fiva kernel: [ 3120.532808] nouveau E[  PGRAPH][0000:01:00.0]   0x00408910: 0x04000000
  Oct 17 12:08:35 fiva kernel: [ 3120.532811] nouveau E[  PGRAPH][0000:01:00.0] TRAP_TEXTURE - TP0: Unhandled ustatus 0x00000003

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