[Bug 66515] mesa/Glamor with glx-tls enabled is causing GPU to hang on VERDE

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=66515

--- Comment #37 from Mauro Carvalho Chehab <mchehab at infradead.org> ---
(In reply to comment #36)
> (In reply to comment #34)
> > (In reply to comment #32)
> > > Depending on what version of mesa you are using, can you try and disable
> > > hyperz?  Set env var R600_DEBUG=nohyperz
> > 
> > Yes, it seems so.
> > 
> > Not sure how to set it permanently with systemd and lightdm.
> > 
> > Anyway, I stopped lightdm, and started X manually with both this var set and
> > not set. Without this env var, the nouveau driver crashes (after playing for
> > a while with the combo box). With this env set, it stopped happening.
> 
> What version of mesa are you using? 

Fedora calls it as "9.2.5-1.20131220". It seems to be a mesa -git snapshot
taken on Dec, 20 2013.

> Older versions didn't implement hyperz
> support for SI asics. 

Ok.

> Also, this option has nothing to do with nouveau. 
> It's a radeon driver env var.

Yeah, sure. Sorry for the mess. I used to have two NV cards on this machine in
the past. It seems I forgot to remove the driver.

The Xorg driver I'm using is:

xorg-x11-drv-ati-7.2.0-3.20131101git3b38701.fc20.x86_64

Also, it seems to be a git snapshot taken on 2013-11-01 for changeset 3b38701.

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