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Re: Potential blockers for FC12



On Fri, 2009-10-02 at 13:32 -0600, Michal Jaegermann wrote:
> On Fri, Oct 02, 2009 at 02:22:31PM -0430, Patrick O'Callaghan wrote:
> > 
> > I'm running without KMS on my desktop machine, and that's where I get
> > freezes when I use OpenGL apps (not otherwise). As stated earlier, this
> > is an Intel 82Q963/Q965 rev 02. This system is x86_64 with an Intel
> > mobo. I used to have frequent OpenGL freezes (everything dead except the
> > mouse) which I reported at
> > https://bugzilla.redhat.com/show_bug.cgi?id=510948. The problem seemed
> > to go away with a kernel update, to kernel-2.6.30.5-32.fc11.x86_64, but
> > now seems to have returned in kernel-2.6.30.5-43.fc11.x86_64 and
> > kernel-2.6.30.8-64.fc11.x86_64,
> 
> Hm, I have seen recently random total freezes of that sort
> (everything is dead, including a network, and no traces of anything
> anywhere) while running xscreensaver-gl* pieces on Fedora 11 desktop
> machine but with radeon graphics driver.  So maybe this is some
> nasty interaction between OpenGL and recent fc11 kernels instead of
> an intel driver fault?

Could be. I was surprised when the kernel update fixed the problem, at
least temporarily, expecting it to be more an xorg-x11-drv-intel thing.

I tried remote access several times before the kernel 2.6.30.5 update
and ssh was working at that time. There was no way to kill Xorg or get
to runlevel 3 but the shell worked and I could run reboot. I assumed
kernel corruption of some kind. I haven't tried it again with the more
recent updates.

> Turning off specific xscreensaver-gl executables (sometimes one sees
> leftover image fragments on a screen indicating an apparent
> offender) was of no help.

I use a simple screensaver, and I'm not getting any freezes except when
running OpenGL apps.

poc


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