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[SOLVED] xf86-video-intel-2.99.917 made Gnome unusable
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benny1967
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PostPosted: Thu Mar 05, 2015 3:56 pm    Post subject: [SOLVED] xf86-video-intel-2.99.917 made Gnome unusable Reply with quote

I recently did a world upgrade (after a long while, so it was big) and everything was fine afterwards. - Only when I re-booted and logged into Gnome (3.12), problems started. In a regular Gnome session, I could log in, but the PC froze as soon as I tried to start an application ("A Problem has occurred and the system can't recover"). When I tried a Gnome classic session, the same error message appeared right after I saw the desktop, no chance to do anything.

I'm not good in identifying relevant log files, let alone reading and interpreting them. So I just looked at what was upgraded before and thought that xf86-video-intel might be a candidate that could cause trouble. I downgraded this package from 2.99.917 to the last working version (2.21.15) and - voilà! - everything was fine again.

Of course in the long run this is no solution, I'd like to identify the problem and keep up with stable intel driver releases.

Any ideas? I'm really lost here.


Last edited by benny1967 on Mon Mar 09, 2015 1:57 pm; edited 1 time in total
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eccerr0r
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Joined: 01 Jul 2004
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PostPosted: Thu Mar 05, 2015 5:55 pm    Post subject: Reply with quote

Curious what hardware are you using?

I've found that some of my Intel hardware behaves poorly with the new driver and some work fairly well... Some work better and some work worse...

I believe I am running Gnome 3.12 on 2.99.917 on an Intel HD4000 and it seems to run gdm/gnome session fine. I have other problems with 2.99.917 on my Intel i965G chipset graphics but I think Gnome 3.12 works fine on that machine too...
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Intel Core i7 2700K@ 4.1GHz/HD3000 graphics/8GB DDR3/180GB SSD
What am I supposed watching?
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asturm
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Joined: 05 Apr 2007
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PostPosted: Thu Mar 05, 2015 5:56 pm    Post subject: Reply with quote

Using not an up to date kernel? That's a regression on old i915 hardware. According to upstream it's actually a relocation bug in the kernel that is uncovered by the latest userspace release (or rather, umpteenth RC).

https://bugs.freedesktop.org/show_bug.cgi?id=87677
https://bugs.freedesktop.org/show_bug.cgi?id=87780
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backend.cpp:92:2: warning: #warning TODO - this error message is about as useful as a cooling unit in the arctic
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benny1967
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PostPosted: Thu Mar 05, 2015 6:26 pm    Post subject: Reply with quote

Thank you for the hints. The kernel is a good place to start: It's 3.10.17.gentoo, which according to the bug report linked to above is likely to contain the bug.

The graphics chip is reported as
Code:
VGA compatible controller: Intel Corporation 82G965 Integrated Graphics Controller (rev 02)


I'll try a more recent kernel in a few days when I have time for it and tell what happened. Thank you!
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benny1967
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PostPosted: Mon Mar 09, 2015 1:58 pm    Post subject: Reply with quote

Updating to kernel 3.18.7-gentoo fixed the issue for me. Thank you!
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