cannot use OpenGL composite anymore
1i5t5.duncan at cox.net
Tue Mar 23 20:05:55 GMT 2010
Momesso Andrea posted on Tue, 23 Mar 2010 17:52:15 +0100 as excerpted:
> Since a couple of days OpenGL composition method stopped working. When I
> try to switch to it it displays this (pretty useless) message.
> Failed to activate desktop effects using the given configuration
> options. Settings will be reverted to their previous values.
> Check your X configuration. You may also consider changing advanced
> options, especially changing the compositing type.
> And it reverts back to Xrender, that works fine, but is really slow.
> The xsession-errors says something, but I can't undertand it:
> I'm using gentoo ~amd64 10.0 no-multilib profile, kwin 4.4.1,
> xorg-server 1.7.6 and I tried all the available versions of the intel
> drivers, including 9999.
> I cannot remember of any recent upgrades that might be related to the
> problem, but. as this is ~arch there are upgrades everyday, while it
> might take a week before I log out of my kde session. So I'm not sure of
> what upgrades may have iterfered.
> I tried with a brand new ~/.kde4, but that didn't help.
> I'm running out of ideas, please help me :)
Gentoo/~amd64 no-multilib user, eh? Same here. =:^)
Heh, at least you got a bit of warning. Here, my netbook simply started
crashing every time I tried to start X/KDE. My workstation, using AMD
Opterons and a Radeon, with (as you) gentoo/~amd64 no-multilib, is fine.
My (32-bit) ~x86 netbook using Intel for both video and CPU, not fine
(well, it wasn't, it is now).
Try downgrading mesa. That's what it was, here.
The version that failed: mesa-7.8_rc1 .
The version that I had been running, that worked fine both before and
after I downgraded back to it: mesa-7.7-r1 .
Due to the fact that it was my netbook that had the issue, and I build the
netbook image in an ~x86 chroot on my (amd/radeon) workstation, then rsync
it to my netbook to actually run, I was of the opinion that the problem
was likely something unique to that (rather strange) setup; that it would
have been fine had I built on the hardware and could detect things
properly on its own. I thought it might also be kernel related, as the
kernel on the build machine is 2.6.34-r1+ (git kernel, just past rc1),
while the kernel on the netbook is 2.6.32. So I thought it was just me.
But now you're saying you're having very similar issues (if it's the same
mesa versions and downgrading it fixes 'em, it's almost certainly the
same!), on a 64-bit Intel machine as I had on the 32-bit netbook. So it
would seem it's not my peculiar situation after all!
BTW, I run FEATURES=buildpkg, so all I had to do was take a look at the
binary package versions I had built, and downgrade back to the last one.
I didn't have to do an actual mesa rebuild. If you're not running the
same, I'd suggest you look into it. That can be a really handy feature,
on occasion. =:^)
Duncan - List replies preferred. No HTML msgs.
"Every nonfree program has a lord, a master --
and if you use the program, he is your master." Richard Stallman
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