Public bug reported:
Mouse pointer can be moved, sound from video playing back in the
background (youtube/chrome) continues indefinitely. Switched back to
proprietary driver.
syslog:
Mar 2 00:15:50 i5 kernel: [46514.702356] nouveau E[ PFIFO][0000:01:00.0]
write fault at 0x0015362000 [PTE] from GR/GPC1/PROP_0 on channel 0x007fa1a000
[Xorg[2006]]
Mar 2 00:15:50 i5 kernel: [46514.702362] nouveau E[ PFIFO][0000:01:00.0]
PGRAPH engine fault on channel 2, recovering...
Mar 2 00:15:50 i5 kernel: [46514.804694] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: SIGNATURE
Mar 2 00:15:50 i5 kernel: [46514.804705] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: ch 5 [chrome[15885]] subc 1 mthd 0x002c data 0xff7e4534
Mar 2 00:15:50 i5 kernel: [46514.804786] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: SIGNATURE
Mar 2 00:15:50 i5 kernel: [46514.804793] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: ch 5 [chrome[15885]] subc 1 mthd 0x002c data 0xff7e4534
Mar 2 00:15:50 i5 kernel: [46514.804832] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: GPPTR SIGNATURE
Mar 2 00:15:50 i5 kernel: [46514.804838] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: ch 5 [chrome[15885]] subc 1 mthd 0x002c data 0xff7e4534
Mar 2 00:15:50 i5 kernel: [46514.804933] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: GPPTR SIGNATURE
Mar 2 00:15:50 i5 kernel: [46514.804939] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: ch 5 [chrome[15885]] subc 1 mthd 0x002c data 0xff7e4534
Mar 2 00:15:50 i5 kernel: [46514.804988] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: GPPTR PBENTRY SIGNATURE
Mar 2 00:15:50 i5 kernel: [46514.804993] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: ch 5 [chrome[15885]] subc 1 mthd 0x002c data 0xff7e4534
this repeats for a few GB
kern.log:
Feb 29 20:46:20 i5 kernel: [59885.803434] nouveau E[ PFIFO][0000:01:00.0]
read fault at 0x0002267000 [PTE] from GR/PD on channel 0x007f7fd000
[chrome[3030]]
Feb 29 20:46:20 i5 kernel: [59885.803444] nouveau E[ PFIFO][0000:01:00.0]
PGRAPH engine fault on channel 5, recovering...
Feb 29 20:46:20 i5 kernel: [59885.905739] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: SIGNATURE
Feb 29 20:46:20 i5 kernel: [59885.905748] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: ch 2 [Xorg[1955]] subc 0 mthd 0x0000 data 0x00000000
Feb 29 20:46:20 i5 kernel: [59885.905767] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: SIGNATURE
Feb 29 20:46:20 i5 kernel: [59885.905772] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: ch 2 [Xorg[1955]] subc 0 mthd 0x0000 data 0x00000000
Feb 29 20:46:20 i5 kernel: [59885.905789] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: GPPTR PBENTRY SIGNATURE
Feb 29 20:46:20 i5 kernel: [59885.905795] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: ch 2 [Xorg[1955]] subc 0 mthd 0x0000 data 0x00000000
Feb 29 20:46:20 i5 kernel: [59885.905812] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: GPPTR SIGNATURE
Feb 29 20:46:20 i5 kernel: [59885.905817] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: ch 2 [Xorg[1955]] subc 0 mthd 0x0000 data 0x00000000
Feb 29 20:46:20 i5 kernel: [59885.905834] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: SIGNATURE
Feb 29 20:46:20 i5 kernel: [59885.905839] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: ch 2 [Xorg[1955]] subc 0 mthd 0x0000 data 0x00000000
Feb 29 20:46:20 i5 kernel: [59885.905855] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: SIGNATURE
Feb 29 20:46:20 i5 kernel: [59885.905860] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: ch 2 [Xorg[1955]] subc 0 mthd 0x0000 data 0x00000000
Feb 29 20:46:20 i5 kernel: [59885.905880] nouveau E[ PFIFO][0000:01:00.0]
read fault at 0x0000000000 [PTE] from PBDMA0/HOST on channel 0x007fa1a000
[unknown]
Feb 29 20:46:33 i5 kernel: [59898.603420] nouveau E[ PDISP][0000:01:00.0]
chid 0 mthd 0x048c data 0xf0000001 0x0000448c 0x00000001
Feb 29 20:46:33 i5 kernel: [59898.603466] nouveau E[ PDISP][0000:01:00.0]
chid 0 mthd 0x0080 data 0x00000000 0x10005080 0x00000021
Feb 29 20:46:33 i5 kernel: [59898.603468] nouveau E[ PDISP][0000:01:00.0]
Core:
Feb 29 20:46:33 i5 kernel: [59898.603472] nouveau E[ PDISP][0000:01:00.0]
0x0080: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603475] nouveau E[ PDISP][0000:01:00.0]
0x0084: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603478] nouveau E[ PDISP][0000:01:00.0]
0x0088: 0xf0000000
Feb 29 20:46:33 i5 kernel: [59898.603480] nouveau E[ PDISP][0000:01:00.0]
Core - DAC 0:
Feb 29 20:46:33 i5 kernel: [59898.603483] nouveau E[ PDISP][0000:01:00.0]
0x0180: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603486] nouveau E[ PDISP][0000:01:00.0]
0x0184: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603489] nouveau E[ PDISP][0000:01:00.0]
0x0188: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603492] nouveau E[ PDISP][0000:01:00.0]
0x0190: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603493] nouveau E[ PDISP][0000:01:00.0]
Core - DAC 1:
Feb 29 20:46:33 i5 kernel: [59898.603496] nouveau E[ PDISP][0000:01:00.0]
0x01a0: 0x00000001
Feb 29 20:46:33 i5 kernel: [59898.603499] nouveau E[ PDISP][0000:01:00.0]
0x01a4: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603502] nouveau E[ PDISP][0000:01:00.0]
0x01a8: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603506] nouveau E[ PDISP][0000:01:00.0]
0x01b0: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603507] nouveau E[ PDISP][0000:01:00.0]
Core - DAC 2:
Feb 29 20:46:33 i5 kernel: [59898.603510] nouveau E[ PDISP][0000:01:00.0]
0x01c0: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603513] nouveau E[ PDISP][0000:01:00.0]
0x01c4: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603516] nouveau E[ PDISP][0000:01:00.0]
0x01c8: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603519] nouveau E[ PDISP][0000:01:00.0]
0x01d0: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603520] nouveau E[ PDISP][0000:01:00.0]
Core - SOR 0:
Feb 29 20:46:33 i5 kernel: [59898.603523] nouveau E[ PDISP][0000:01:00.0]
0x0200: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603526] nouveau E[ PDISP][0000:01:00.0]
0x0204: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603529] nouveau E[ PDISP][0000:01:00.0]
0x0208: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603532] nouveau E[ PDISP][0000:01:00.0]
0x0210: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603534] nouveau E[ PDISP][0000:01:00.0]
Core - SOR 1:
Feb 29 20:46:33 i5 kernel: [59898.603537] nouveau E[ PDISP][0000:01:00.0]
0x0220: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603540] nouveau E[ PDISP][0000:01:00.0]
0x0224: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603543] nouveau E[ PDISP][0000:01:00.0]
0x0228: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603546] nouveau E[ PDISP][0000:01:00.0]
0x0230: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603547] nouveau E[ PDISP][0000:01:00.0]
Core - SOR 2:
Feb 29 20:46:33 i5 kernel: [59898.603550] nouveau E[ PDISP][0000:01:00.0]
0x0240: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603553] nouveau E[ PDISP][0000:01:00.0]
0x0244: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603556] nouveau E[ PDISP][0000:01:00.0]
0x0248: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603559] nouveau E[ PDISP][0000:01:00.0]
0x0250: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603560] nouveau E[ PDISP][0000:01:00.0]
Core - SOR 3:
Feb 29 20:46:33 i5 kernel: [59898.603564] nouveau E[ PDISP][0000:01:00.0]
0x0260: 0x00000502
Feb 29 20:46:33 i5 kernel: [59898.603567] nouveau E[ PDISP][0000:01:00.0]
0x0264: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603570] nouveau E[ PDISP][0000:01:00.0]
0x0268: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603573] nouveau E[ PDISP][0000:01:00.0]
0x0270: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603574] nouveau E[ PDISP][0000:01:00.0]
Core - SOR 4:
Feb 29 20:46:33 i5 kernel: [59898.603577] nouveau E[ PDISP][0000:01:00.0]
0x0280: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603580] nouveau E[ PDISP][0000:01:00.0]
0x0284: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603583] nouveau E[ PDISP][0000:01:00.0]
0x0288: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603586] nouveau E[ PDISP][0000:01:00.0]
0x0290: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603594] nouveau E[ PDISP][0000:01:00.0]
Core - SOR 5:
Feb 29 20:46:33 i5 kernel: [59898.603598] nouveau E[ PDISP][0000:01:00.0]
0x02a0: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603601] nouveau E[ PDISP][0000:01:00.0]
0x02a4: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603607] nouveau E[ PDISP][0000:01:00.0]
0x02a8: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603610] nouveau E[ PDISP][0000:01:00.0]
0x02b0: 0x00000000
again, repeats for a few GB.
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu3
ProcVersionSignature: Ubuntu 4.2.0-30.36-lowlatency 4.2.8-ckt3
Uname: Linux 4.2.0-30-lowlatency x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
CurrentDesktop: XFCE
Date: Sat Mar 5 23:21:34 2016
InstallationDate: Installed on 2016-02-17 (17 days ago)
InstallationMedia: Ubuntu-Studio 15.10 "Wily Werewolf" - Release amd64
(20151021)
SourcePackage: xserver-xorg-video-nouveau
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: xserver-xorg-video-nouveau (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug wily
--
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to xserver-xorg-video-nouveau in Ubuntu.
https://bugs.launchpad.net/bugs/1553607
Title:
screen freeze every two days, mouse and rest continues to work
Status in xserver-xorg-video-nouveau package in Ubuntu:
New
Bug description:
Mouse pointer can be moved, sound from video playing back in the
background (youtube/chrome) continues indefinitely. Switched back to
proprietary driver.
syslog:
Mar 2 00:15:50 i5 kernel: [46514.702356] nouveau E[ PFIFO][0000:01:00.0]
write fault at 0x0015362000 [PTE] from GR/GPC1/PROP_0 on channel 0x007fa1a000
[Xorg[2006]]
Mar 2 00:15:50 i5 kernel: [46514.702362] nouveau E[ PFIFO][0000:01:00.0]
PGRAPH engine fault on channel 2, recovering...
Mar 2 00:15:50 i5 kernel: [46514.804694] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: SIGNATURE
Mar 2 00:15:50 i5 kernel: [46514.804705] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: ch 5 [chrome[15885]] subc 1 mthd 0x002c data 0xff7e4534
Mar 2 00:15:50 i5 kernel: [46514.804786] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: SIGNATURE
Mar 2 00:15:50 i5 kernel: [46514.804793] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: ch 5 [chrome[15885]] subc 1 mthd 0x002c data 0xff7e4534
Mar 2 00:15:50 i5 kernel: [46514.804832] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: GPPTR SIGNATURE
Mar 2 00:15:50 i5 kernel: [46514.804838] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: ch 5 [chrome[15885]] subc 1 mthd 0x002c data 0xff7e4534
Mar 2 00:15:50 i5 kernel: [46514.804933] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: GPPTR SIGNATURE
Mar 2 00:15:50 i5 kernel: [46514.804939] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: ch 5 [chrome[15885]] subc 1 mthd 0x002c data 0xff7e4534
Mar 2 00:15:50 i5 kernel: [46514.804988] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: GPPTR PBENTRY SIGNATURE
Mar 2 00:15:50 i5 kernel: [46514.804993] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: ch 5 [chrome[15885]] subc 1 mthd 0x002c data 0xff7e4534
this repeats for a few GB
kern.log:
Feb 29 20:46:20 i5 kernel: [59885.803434] nouveau E[ PFIFO][0000:01:00.0]
read fault at 0x0002267000 [PTE] from GR/PD on channel 0x007f7fd000
[chrome[3030]]
Feb 29 20:46:20 i5 kernel: [59885.803444] nouveau E[ PFIFO][0000:01:00.0]
PGRAPH engine fault on channel 5, recovering...
Feb 29 20:46:20 i5 kernel: [59885.905739] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: SIGNATURE
Feb 29 20:46:20 i5 kernel: [59885.905748] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: ch 2 [Xorg[1955]] subc 0 mthd 0x0000 data 0x00000000
Feb 29 20:46:20 i5 kernel: [59885.905767] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: SIGNATURE
Feb 29 20:46:20 i5 kernel: [59885.905772] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: ch 2 [Xorg[1955]] subc 0 mthd 0x0000 data 0x00000000
Feb 29 20:46:20 i5 kernel: [59885.905789] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: GPPTR PBENTRY SIGNATURE
Feb 29 20:46:20 i5 kernel: [59885.905795] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: ch 2 [Xorg[1955]] subc 0 mthd 0x0000 data 0x00000000
Feb 29 20:46:20 i5 kernel: [59885.905812] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: GPPTR SIGNATURE
Feb 29 20:46:20 i5 kernel: [59885.905817] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: ch 2 [Xorg[1955]] subc 0 mthd 0x0000 data 0x00000000
Feb 29 20:46:20 i5 kernel: [59885.905834] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: SIGNATURE
Feb 29 20:46:20 i5 kernel: [59885.905839] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: ch 2 [Xorg[1955]] subc 0 mthd 0x0000 data 0x00000000
Feb 29 20:46:20 i5 kernel: [59885.905855] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: SIGNATURE
Feb 29 20:46:20 i5 kernel: [59885.905860] nouveau E[ PFIFO][0000:01:00.0]
PBDMA0: ch 2 [Xorg[1955]] subc 0 mthd 0x0000 data 0x00000000
Feb 29 20:46:20 i5 kernel: [59885.905880] nouveau E[ PFIFO][0000:01:00.0]
read fault at 0x0000000000 [PTE] from PBDMA0/HOST on channel 0x007fa1a000
[unknown]
Feb 29 20:46:33 i5 kernel: [59898.603420] nouveau E[ PDISP][0000:01:00.0]
chid 0 mthd 0x048c data 0xf0000001 0x0000448c 0x00000001
Feb 29 20:46:33 i5 kernel: [59898.603466] nouveau E[ PDISP][0000:01:00.0]
chid 0 mthd 0x0080 data 0x00000000 0x10005080 0x00000021
Feb 29 20:46:33 i5 kernel: [59898.603468] nouveau E[ PDISP][0000:01:00.0]
Core:
Feb 29 20:46:33 i5 kernel: [59898.603472] nouveau E[ PDISP][0000:01:00.0]
0x0080: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603475] nouveau E[ PDISP][0000:01:00.0]
0x0084: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603478] nouveau E[ PDISP][0000:01:00.0]
0x0088: 0xf0000000
Feb 29 20:46:33 i5 kernel: [59898.603480] nouveau E[ PDISP][0000:01:00.0]
Core - DAC 0:
Feb 29 20:46:33 i5 kernel: [59898.603483] nouveau E[ PDISP][0000:01:00.0]
0x0180: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603486] nouveau E[ PDISP][0000:01:00.0]
0x0184: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603489] nouveau E[ PDISP][0000:01:00.0]
0x0188: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603492] nouveau E[ PDISP][0000:01:00.0]
0x0190: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603493] nouveau E[ PDISP][0000:01:00.0]
Core - DAC 1:
Feb 29 20:46:33 i5 kernel: [59898.603496] nouveau E[ PDISP][0000:01:00.0]
0x01a0: 0x00000001
Feb 29 20:46:33 i5 kernel: [59898.603499] nouveau E[ PDISP][0000:01:00.0]
0x01a4: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603502] nouveau E[ PDISP][0000:01:00.0]
0x01a8: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603506] nouveau E[ PDISP][0000:01:00.0]
0x01b0: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603507] nouveau E[ PDISP][0000:01:00.0]
Core - DAC 2:
Feb 29 20:46:33 i5 kernel: [59898.603510] nouveau E[ PDISP][0000:01:00.0]
0x01c0: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603513] nouveau E[ PDISP][0000:01:00.0]
0x01c4: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603516] nouveau E[ PDISP][0000:01:00.0]
0x01c8: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603519] nouveau E[ PDISP][0000:01:00.0]
0x01d0: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603520] nouveau E[ PDISP][0000:01:00.0]
Core - SOR 0:
Feb 29 20:46:33 i5 kernel: [59898.603523] nouveau E[ PDISP][0000:01:00.0]
0x0200: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603526] nouveau E[ PDISP][0000:01:00.0]
0x0204: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603529] nouveau E[ PDISP][0000:01:00.0]
0x0208: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603532] nouveau E[ PDISP][0000:01:00.0]
0x0210: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603534] nouveau E[ PDISP][0000:01:00.0]
Core - SOR 1:
Feb 29 20:46:33 i5 kernel: [59898.603537] nouveau E[ PDISP][0000:01:00.0]
0x0220: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603540] nouveau E[ PDISP][0000:01:00.0]
0x0224: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603543] nouveau E[ PDISP][0000:01:00.0]
0x0228: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603546] nouveau E[ PDISP][0000:01:00.0]
0x0230: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603547] nouveau E[ PDISP][0000:01:00.0]
Core - SOR 2:
Feb 29 20:46:33 i5 kernel: [59898.603550] nouveau E[ PDISP][0000:01:00.0]
0x0240: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603553] nouveau E[ PDISP][0000:01:00.0]
0x0244: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603556] nouveau E[ PDISP][0000:01:00.0]
0x0248: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603559] nouveau E[ PDISP][0000:01:00.0]
0x0250: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603560] nouveau E[ PDISP][0000:01:00.0]
Core - SOR 3:
Feb 29 20:46:33 i5 kernel: [59898.603564] nouveau E[ PDISP][0000:01:00.0]
0x0260: 0x00000502
Feb 29 20:46:33 i5 kernel: [59898.603567] nouveau E[ PDISP][0000:01:00.0]
0x0264: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603570] nouveau E[ PDISP][0000:01:00.0]
0x0268: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603573] nouveau E[ PDISP][0000:01:00.0]
0x0270: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603574] nouveau E[ PDISP][0000:01:00.0]
Core - SOR 4:
Feb 29 20:46:33 i5 kernel: [59898.603577] nouveau E[ PDISP][0000:01:00.0]
0x0280: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603580] nouveau E[ PDISP][0000:01:00.0]
0x0284: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603583] nouveau E[ PDISP][0000:01:00.0]
0x0288: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603586] nouveau E[ PDISP][0000:01:00.0]
0x0290: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603594] nouveau E[ PDISP][0000:01:00.0]
Core - SOR 5:
Feb 29 20:46:33 i5 kernel: [59898.603598] nouveau E[ PDISP][0000:01:00.0]
0x02a0: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603601] nouveau E[ PDISP][0000:01:00.0]
0x02a4: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603607] nouveau E[ PDISP][0000:01:00.0]
0x02a8: 0x00000000
Feb 29 20:46:33 i5 kernel: [59898.603610] nouveau E[ PDISP][0000:01:00.0]
0x02b0: 0x00000000
again, repeats for a few GB.
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu3
ProcVersionSignature: Ubuntu 4.2.0-30.36-lowlatency 4.2.8-ckt3
Uname: Linux 4.2.0-30-lowlatency x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
CurrentDesktop: XFCE
Date: Sat Mar 5 23:21:34 2016
InstallationDate: Installed on 2016-02-17 (17 days ago)
InstallationMedia: Ubuntu-Studio 15.10 "Wily Werewolf" - Release amd64
(20151021)
SourcePackage: xserver-xorg-video-nouveau
UpgradeStatus: No upgrade log present (probably fresh install)
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