[Bug 95192] [EXA] X server intermittently hangs for short moments with rv710 card

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon May 2 01:45:36 UTC 2016


--- Comment #6 from Michel Dänzer <michel at daenzer.net> ---
(In reply to aceman from comment #5)
> (In reply to Michel Dänzer from comment #4)
> > In fact, I'm planning to try enabling glamor by default on >= R(V)6xx once
> > DRI3 is enabled by default (which I'm planning to try soon).
> But on such a low card, wouldn't EXA be always faster than anything openGL?

No, why? glamor is generally on par with EXA and for some operations such as
text rendering (which is among the most important in practice) significantly
faster. If there are any cases where glamor is significantly slower than EXA
for you, please file bug reports against the Server/Acceleration/glamor

> > It might be interesting to see a backtrace of the Xorg process during a
> > freeze.
> Maybe, but I can't produce it as I can't do anything during the freeze. And
> it is not that long enough that I would manage to switch to virtual terminal
> and run some trace.

If you can ssh in from another machine, that might allow you to get more
information about the hangs.

> Also of interest could be that the kernel is 64bit, but all the userland
> (X.org and mesa too) are 32bit.

Any chance you could try if the problem also occurs with 64-bit Xorg?

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