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[Cedders <cedric@xxxxxxxxxx>]

** Attachment added: "lspci, lsmod, dmesg and module versions in case not already included"
   http://launchpadlibrarian.net/29497012/X-addinfo.txt

** Description changed:

  Binary package hint: xserver-xorg-video-ati
  
  This was a Ubuntu 8.04 fresh install on Viglen Dossier LX.  Every few
  hours, apparently randomly, everything freezes apart from the mouse
  pointer.  Ctrl-Alt-F1 or Ctrl-Alt-Del does nothing, but I can ping the
  laptop.  Typically this occurs when scrolling up or down in Firefox
  using touchpad or keyboard, and there is some screen corruption at the
  bottom of the scroll bar (as if a blit failed or was interrupted?).
  
- The symptoms aren't quite the same as #36596, #248438: it does seem
- closest to #184430 which was attributed to a faulty adapter, but again
- doesn't sound identical, nor to Debian bug #459428 which sounded
- unresolved.  No visual effects, because it claims they are not
+ The symptoms aren't quite the same as bug #36596, bug #248438: it does
+ seem closest to bug #184430 which was attributed to a faulty adapter,
+ but again doesn't sound identical, nor to (Debian bug) #459428 which
+ sounded unresolved.  No visual effects, because it claims they are not
  available; before the hang I can switch to a console.  I've tried Option
  "RenderAccel" "off" and Option "AGPMode" "2" for  "Configured Video
  Device" but neither seems to help, nor reducing AGP aperture in BIOS.
  
  Xorg.0.log shows the uninformative:
  mieqEnequeue: out-of-order valuator event; dropping.
  tossed event which came in late
  mieqEnequeue: out-of-order valuator event; dropping.
  tossed event which came in late
  tossed event which came in late
  tossed event which came in late
  
  reported elsewhere.  An strace shows EBUSY errors:
  22:30:05 [b7f64410] read(37, "\233\7\2\0E\"\203\2\233\4\5\0F\"\203\2:\"\203\0028\0\0"..., 4096) = 208
  22:30:05 [b7f64410] ioctl(7, 0xc0286429, 0xbff07634) = -1 EBUSY (Device or resource busy)
  
  (I'll upload fuller strace and try getting more info via SSH as
  described at https://wiki.ubuntu.com/X/Backtracing )
  
  ProblemType: Bug
  Architecture: i386
  Date: Fri Jul 24 20:03:45 2009
  DistroRelease: Ubuntu 8.04
  Package: xserver-xorg-video-ati 1:6.8.0-1ubuntu1
  PackageArchitecture: i386
  ProcEnviron:
   PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/opt/real/RealPlayer
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  SourcePackage: xserver-xorg-video-ati
  Uname: Linux 2.6.24-24-generic i686

-- 
X locks up when scrolling on Radeon Mobility M6 LY
https://bugs.launchpad.net/bugs/404331
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