[Bug 360974] [NEW] [i915] X hangs with UXA after changing to text console and back while xv is in use

[unggnu]

Public bug reported:

Binary package hint: xserver-xorg-video-intel

EXA seems to work quite stable with the current Intel driver shipped
with Jaunty and i915. But if I use UXA it hangs very often. The most
common problem is changing to text console while a video is running. It
works at first but while switching back the screen stays black but the
movie goes on. SSH connect is still possible but after a short period
the whole system hangs.

If I change to console without running XV at first everything works
fine.

I have saved the graphic registers according to
https://wiki.ubuntu.com/X/Troubleshooting/BlankScreen.

I am using xv overlay because of the tearing problem. I haven't tested
the problem with textured video yet but it is no real option atm.

The whole video memory seems to be corrupted because if I restart the
system X crashes the first time and I have to relogin. Afterwards I
couldn't switch to text console. Only black and colored vertical lines
are shown but it is possible to switch back. If I shutdown the system
and boot again it is possible to login automatically and switch to
console and back. I guess both problems seem to be connected.

ProblemType: Bug
Architecture: i386
DistroRelease: Ubuntu 9.04
Package: xserver-xorg-video-intel 2:2.6.3-0ubuntu9
ProcEnviron:
 LANGUAGE=
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersion: Linux version 2.6.28-11-generic (buildd at rothera) (gcc version 4.3.3 (Ubuntu 4.3.3-5ubuntu4) ) #41-Ubuntu SMP Wed Apr 8 04:38:53 UTC 2009
SourcePackage: xserver-xorg-video-intel
Uname: Linux 2.6.28-11-generic i686

** Affects: xserver-xorg-video-intel (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386

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[i915] X hangs with UXA after changing to text console and back while xv is in use
https://bugs.launchpad.net/bugs/360974
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