Bug#693083: System freezes with graphics going down [black screen].

[marc_sm...@gmx.com]

Package: linux kernel 
Version: 3.2.0-4-686-pae

Whole system freezes with no apparent reason and the screen "looses input 
signal" [from the system, just like in the ACPI energy saving mode]. There is 
no particular time for this to happen and it's unpredictable. It *usually* 
happens when I play some video streams on other workspace [in XFCE4] while 
writing some text on the first workspace [in some text windows - IM/web 
browser, etc], or just when I switch workspaces with mouse going above the 
left/right edges of the screen [XFCE's workspace auto-switch].

Everything worked fine with previous kernel version, graphic drivers
were not changed, no XFCE4 updates. It all started after I received kernel 
update [from 3.2.0-3-686-pae to 3.2.0-4-686-pae]. Unfortunately, I don't have 
an old kernel in place anymore.

I use standard [dpkg -l | grep intel]:
xserver-xorg-video-intel 2:2.19.0-6 driver and
libdrm-intel1:i386 2.4.33-3 

The card is [lspci -v | grep VGA]: 
00:02.0 VGA compatible controller: Intel Corporation 82865G Integrated
Graphics Controller (rev 02) (prog-if 00 [VGA controller])

Debian GNU/Linux Testing [Wheezy], kernel 3.2.0-4-686-pae [installed from the 
kernel metapackage].

This bug is critical to me [a deal-breaker]. When it happens I can't do 
anything and it doesn't leave any trace in logs. I am unable to reproduce it.

EDIT: It actually hung up on me while I was writing this very bug report. Same 
thing, different kernel version this time: 3.2.0-4-486.


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Bug#693083: System freezes with graphics going down [black screen].

[marc_sm...@gmx.com]

On Mon, 12 Nov 2012 22:15:12 +0100
Julien Cristau  wrote:

> On Mon, Nov 12, 2012 at 22:08:41 +0100, marc_sm...@gmx.com wrote:
> 
> > Package: linux kernel 
> > Version: 3.2.0-4-686-pae
> > 
> Please provide your dmesg and lspci -nn.
> 
> Cheers,
> Julien

dmesg and lspci logs text files attached to this reply [gzipped].

dmesg.log.gz
Description: GNU Zip compressed data


lspci.log.gz
Description: GNU Zip compressed data

Bug#699656: general: System freezes while using multimedia via DRI [Intel 82865G chip] on kernels above 3.2.0-3-686-pae

[marc_sm...@gmx.com]

Christian PERRIER writes:

reassign 699656 src:linux
forcemerge 693083 699656
thanks

Quoting marc (marc_sm...@gmx.com):


I already reported this bug for the previous version of kernel [bug report
#693083], but the problem is still unsolved.++


Hello,

As #693083 is still opened, I fail to see why you're opening yet
another bug (moreover a release critical one) and assign it to
"general" which is, most often, a good way to ask for someone to close
it immediately..:-)

Reassigning and merging bugs





I opened another bug report, because this problem is happening in 
another version of kernel/Xorg. There is nothing more dissapointing than 
critical bug existing in few kernel versions / Xorg packages in a row.
It is critical, because it freezes everything. Could it be more critical 
than this? ;) no work, no play, nothing.
I assigned it to "general", because that's what 'reportbug' was giving 
me to choose from, aside from other "categories", which were not related 
to the bug I'd like to submit.
And - finally - I'm being honest and cooperative, that's why I posted 
previous, unsolved bug report number with all details. I hope that would 
help somehow. Some things have changed since that previous bug submit - 
I managed to establish potential cause of this problem, which seems to 
be DRI.



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Bug#699656: general: System freezes while using multimedia via DRI [Intel 82865G chip] on kernels above 3.2.0-3-686-pae

[marc_sm...@gmx.com]

11.02.2013 03:33, Ben Hutchings wrote:

I realise it's critical to you, but if it doesn't affect other users
then I'm afraid it's just not that high a priority.  Most i865 systems
have been thrown out by now, and to be brutally honest I personally a
more concerned about supporting today's hardware properly.

You should also test with the older kernel to confirm that this is a
software and not hardware failure.  You can get older package versions
from .  I would guess that
you were previously using version 3.2.23-1 (please don't mix up the
package version with the ABI version in the package name).

If that older version still works then please also test the intermediate
package versions 3.2.29-1 and 3.2.30-1.  This should give us a smaller
range of changes to consider.

If you have time then you could also test the package linked from
.  I don't expect this to make a
difference but they might.

Ben.



Ok. So much for the backward Debian Linux compatibility, I suppose.
What hardware user wants to use is the user's decision, and it most 
certainly makes sense for that user.


"If it ain't broken - don't fix it"

That's for the hardware. For the software it should be:

"If it's broken - fix it"

But I understand developers are not interrested in fixing ALL bugs. As a 
programmer - however - you should prorobly know that the old bugs tend 
to bite developers in their back even after many years. Also, breaking 
the old code to fix new code isn't the best practice, as one could imagine.


I already tested it with many kernels - older and newer. Both older and 
newer kernels don't break anything. The ones I submitted to bugreport do.
I've already described everything in my previous messages. I would 
probobly not mix ABI with package version, but this whole naming scheme 
is highly confusing and - as an amateur programmer and regular user - I 
don't understand it.


I don't know if that makes a difference, but I observed [DIFF] 
differences between two kernel version's configs - the one that's 
working and the newer one that doesn't work:


> CONFIG_FB_I810_GTF=y
> CONFIG_FB_I810_I2C=y


Thank you for your time


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Bug#699656: general: System freezes while using multimedia via DRI [Intel 82865G chip] on kernels above 3.2.0-3-686-pae

[marc_sm...@gmx.com]

Are you going to test the versions I asked about, from
snapshot.debian.org?

Ben.



I have tested kernel linux-image-3.2.0-4.drm-686-pae suggested by you 
and the results were even worse than before. On previously reported 
[faulty] kernel version going from fullscreen mode of playing video to 
the windowed mode was freezing the system. On this version 
[linux-image-3.2.0-4.drm-686-pae] even going from the static player 
window to the fullscreen freezes everything [same results as with the 
reported faulty kernel version - screen goes black and whole OS is 
completely unresponsive].



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