[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 #30 from Mauro Carvalho Chehab <mchehab at infradead.org> ---
(In reply to comment #29)
> (In reply to comment #27)
> > It would render each individual underline "tick" individually, about 10
> > seconds each, until the whole word was underlined. Then Xorg would recover
> > (until Emacs redrew that buffer again).
> 
> Sounds like the GPU keeps locking up, and the kernel radeon driver resets it
> after 10 seconds. That's probably a Mesa / kernel driver issue, make sure
> you're using current Mesa / libdrm / kernel.
> 
> Mauro, is your original problem still happening with current glamor /
> xf86-video-ati Git?

Yes. I upgraded those days to Fedora 20, and the problem started to happen
again (before the upgrade, I was using an older version of glamor where this
bug didn't hit because TLS was disabled there).

I'm now running:
   kernel-3.13.4-200.fc20.x86_64
   xorg-x11-glamor-0.5.1-3.20140115gitfb4d046c.fc20.x86_64
   xorg-x11-drv-nouveau-1.0.9-2.fc20.x86_64

And the bug keeps happening at the very same place: when, for example, I try to
change my email identity at claws-mail combo-box (there are other places where
this bug hits, but this one happens all the time).

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