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Old 12-18-2010, 10:45 PM
 
Default Bug#607484: upgrade-reports: unusable on intel i810

> That output just says the gpu is hung, which can have an infinite number
> of different causes.

I realize that, but there is no more information in it. it is the only message since booting.

>
> > lspci:
> > 00:02.0 VGA compatible controller: Intel Corporation
> 82845G/GL[Brookdale-G]/GE Chipset Integrated Graphics Device (rev 01)
> >
> > Xorg.log:
> >
> That's still not the full X log, and you didn't provide the full dmesg.

?
except for some redacting that`s the full log.


I understand that this is not a lot of information to reproduce the bug, but please consider that this appears to be a KNOWN bug, so all debian has to do is to ship a version that doesn`t have this bug and/or disable kernel mode switching.
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Old 12-20-2010, 08:58 PM
 
Default Bug#607484: upgrade-reports: unusable on intel i810

the upstream bug is:
https://bugs.freedesktop.org/show_bug.cgi?id=26345

as you can see in the report this was reported many times and appears to affect all 845G chipsets, so please do not ship squeeze without a fix or the following workaround. it took me about 30 reboots to figure this out.

the workaround is:

Option "Shadow" "true"
in the xorg.conf "Device" section.

to reproduce this bug, use:
x11perf -range copywinpix10,comppixwin500 -time 1 -repeat 1

this appears to be a xorg bug, not a kernel bug. please change the assignment.



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Old 12-20-2010, 10:54 PM
Julien Cristau
 
Default Bug#607484: upgrade-reports: unusable on intel i810

On Mon, Dec 20, 2010 at 22:58:05 +0100, relative@gmx.net wrote:

> the upstream bug is:
> https://bugs.freedesktop.org/show_bug.cgi?id=26345
>
> as you can see in the report this was reported many times and appears to affect all 845G chipsets, so please do not ship squeeze without a fix or the following workaround. it took me about 30 reboots to figure this out.
>
> the workaround is:
>
> Option "Shadow" "true"
> in the xorg.conf "Device" section.
>
Shadow is enabled by default on 845, so that shouldn't make any
difference.

Cheers,
Julien
 
Old 12-23-2010, 04:15 AM
 
Default Bug#607484: upgrade-reports: unusable on intel i810

> Shadow is enabled by default on 845, so that shouldn't make any
> difference.

that can not be the case.

I updated to the "experimental" distribution video driver (and X server), which does not even start up without Shadow "true".
with Shadow "true" I had no freezes whatsoever using "experimental", so this bug is fixed in "experimental". however, it is not fixed in "unstable". I still had some freezes with that version, even with Shadow "true".

without the "Shadow" option the "experimental" X server shows a mouse cursor and a black screen only, with rendering errors in the X log.

no other packages have been updated (same kernel version). only xserver-xorg-video-intel and its dependencies were updated.

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Old 11-24-2011, 04:23 AM
Jonathan Nieder
 
Default Bug#607484: upgrade-reports: unusable on intel i810

Hey Mario,

Sorry for the long lull.

relative@gmx.net wrote:

> X freezes on a regular basis on i810 graphics, with messages like this:
> [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung
> render error detected,
> EIR: 0x00000000
> [drm:i915_do_wait_request]
> *ERROR* i915_do_wait_request returns -5 (awaiting 62 at 61)

There have been some fixes for GPU hangs in the meantime.

[...]
> the workaround is:
>
> Option "Shadow" "true"
> in the xorg.conf "Device" section.
>
> to reproduce this bug, use:
> x11perf -range copywinpix10,comppixwin500 -time 1 -repeat 1

Thanks for providing a reproduction recipe. Can you still reproduce
this? What version of the kernel and of xserver-xorg-video-intel do
you use? Any other news?

Thanks for your help and patience.

Sincerely,
Jonathan



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