[Bug 351187] Re: Ring buffer not flushed - X server crashes and switches to low-res mode

Bryce Harrington bryce at bryceharrington.org
Tue Apr 21 03:40:44 UTC 2009


** Description changed:

  Binary package hint: xorg
  
  What I was doing:
  
  I was using firefox with several tabs open (15-20). I just opened up
  maps.google.com and the X-server crashed.
  
  After the screen flickering several times as X (gdm) tried to restart,
  it left in a low-res mode offering to reconfigure X. Choosing to
  reconfigure the card was unsuccessful since it seemed that the hardware
  was left in an inconsistent state.
  
  Attached Xorg.log show error messages related to the crash.
  
  ProblemType: Bug
  Architecture: amd64
  DistroRelease: Ubuntu 8.10
  Package: xorg 1:7.4~5ubuntu3
  ProcEnviron:
   PATH=/home/username/bin:/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin:/sbin:/usr/sbin
   LANG=en_US.UTF-8
   SHELL=/bin/bash
   LC_PAPER=a4
  ProcVersion: Linux version 2.6.27-14-generic (buildd at yellow) (gcc version 4.3.2 (Ubuntu 4.3.2-1ubuntu12) ) #1 SMP Fri Mar 13 19:54:51 UTC 2009
  
  SourcePackage: xorg
  Uname: Linux 2.6.27-14-generic x86_64
  xkbcomp:
  
  
  (II) intel(0): xf86BindGARTMemory: bind key 0 at 0x01000000 (pgoffset 4096)
  (II) intel(0): xf86BindGARTMemory: bind key 1 at 0x02000000 (pgoffset 8192)
  (II) intel(0): Fixed memory allocation layout:
  (II) intel(0): 0x00000000-0x0001ffff: ring buffer (128 kB)
  (II) intel(0): 0x00020000-0x00029fff: HW cursors (40 kB)
  (II) intel(0): 0x0002a000-0x00031fff: logical 3D context (32 kB)
  (II) intel(0): 0x00032000-0x00032fff: overlay registers (4 kB)
  (II) intel(0): 0x006ff000:            end of stolen memory
  (II) intel(0): 0x01000000-0x01ffffff: front buffer (13440 kB) X tiled
  (II) intel(0): 0x02000000-0x0475ffff: exa offscreen (40320 kB)
  (II) intel(0): 0x10000000:            end of aperture
  (WW) intel(0): PRB0_CTL (0x0001f001) indicates ring buffer enabled
  (WW) intel(0): PRB0_HEAD (0x7341d4dc) and PRB0_TAIL (0x0001d638) indicate ring buffer not flushed
  (WW) intel(0): Existing errors found in hardware state.
  Error in I830WaitLpRing(), timeout for 2 seconds
  pgetbl_ctl: 0x00000001 getbl_err: 0x00000000
  ipeir: 0x00000000 iphdr: 0x54f00006
  LP ring tail: 0x0001d640 head: 0x0001d4dc len: 0x0001f001 start 0x00000000
  eir: 0x0000 esr: 0x0000 emr: 0xffff
  instdone: 0xfa41 instpm: 0x0000
  memmode: 0x00000306 instps: 0x80007806
  hwstam: 0xffff ier: 0x0000 imr: 0xffff iir: 0x0000
  Ring at virtual 0x7fde137fb000 head 0x1d4dc tail 0x1d640 count 89
  Ring at virtual 0x7fde137fb000 head 0x1d4dc tail 0x1d640 count 89
  Ring at virtual 0x7fde137fb000 head 0x1d4dc tail 0x1d640 count 89
  Ring at virtual 0x7fde137fb000 head 0x1d4dc tail 0x1d640 count 89
  Ring at virtual 0x7fde137fb000 head 0x1d4dc tail 0x1d640 count 89
  Ring at virtual 0x7fde137fb000 head 0x1d4dc tail 0x1d640 count 89
  Ring at virtual 0x7fde137fb000 head 0x1d4dc tail 0x1d640 count 89
  Ring at virtual 0x7fde137fb000 head 0x1d4dc tail 0x1d640 count 89
  Ring at virtual 0x7fde137fb000 head 0x1d4dc tail 0x1d640 count 89
+ 
+ 
+ [lspci]
+ 00:00.0 Host bridge [0600]: Intel Corporation 82G33/G31/P35/P31 Express DRAM Controller [8086:29c0] (rev 02)
+     	Subsystem: Intel Corporation 82G33/G31/P35/P31 Express DRAM Controller [8086:29c0]
+ 00:02.0 VGA compatible controller [0300]: Intel Corporation 82G33/G31 Express Integrated Graphics Controller [8086:29c2] (rev 02)
+     	Subsystem: Intel Corporation 82G33/G31 Express Integrated Graphics Controller [8086:29c2]

-- 
Ring buffer not flushed - X server crashes and switches to low-res mode
https://bugs.launchpad.net/bugs/351187
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