Comment 134 for bug 541511

On Sun, Apr 18, 2010 at 7:18 PM, DavidM <email address hidden> wrote:
> Likewise,
>  am using i855GM - a low resolution boot splash is displayed and then black.  No GDM.
>
> I've had to resort to the 32-20 kernel as well as the 2:2.9.1-3ubuntu1
> driver to get back to a functioning system.

Thanks for that info. Looking at the changelog either 2:2.9.1-3ubuntu1
or 2:2.9.1-3ubuntu2 ought to work.

Unfortunately, for me, it appears all older packages have disappeared
from the mirrors.

Anand

> --
> MASTER: [i855] GPU lockup (apport-crash)
> https://bugs.launchpad.net/bugs/541511
> You received this bug notification because you are a direct subscriber
> of a duplicate bug.
>
> Status in X.org xf86-video-intel: Confirmed
> Status in “xserver-xorg-video-intel” package in Ubuntu: Triaged
> Status in “xserver-xorg-video-intel” source package in Lucid: Triaged
>
> Bug description:
> Binary package hint: xserver-xorg-video-intel
>
> This is a MASTER bug report, i.e. not a real bug report, but a tool to help manage other bug reports.
>
> Most bug reports on i855 are probably due to the CPU/GPU incoherency problem that is now consolidated upstream at http://bugs.freedesktop.org/show_bug.cgi?id=27187 (which was split off from a bug report for i845). For now, we mark all automatically reported GPU lockups on i855 as duplicates of this unless there is a reason not to. There are some tests you may do to help upstream with this issue, and I will come back with instructions here. For those of you who know how to patch and compile a kernel you may look at comment #30 (and #6 for what kind of feedback they want) in the upstream bug report. Actually, if someone could volunteer to build an ubuntu-packaged kernel with this patch for others to test, that would be nice.
>
> There is a similar master bug report for i845 at bug 541492.
>
>
>
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>