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On 2011-03-29T05:33:01+00:00 Roman Mamedov wrote:

X.org fails to start with Segmentation Fault if EXA acceleration is
selected with the "sis" driver using a SiS 315 PRO video device.

It works fine with XAA in both 16 and 24 bit modes.

The hardware is Lemote Fuloong2F (Loongson2 little-endian MIPS CPU).
So it is possible the bug can be MIPS-specific.

According to a comment in
https://bugs.freedesktop.org/show_bug.cgi?id=9611, SiS driver EXA
support was broken at some point. Is it still not supposed to be
working?

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
sis/+bug/1066464/comments/0

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On 2011-03-29T05:36:17+00:00 Roman Mamedov wrote:

Created attachment 44994
Xorg.0.log

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
sis/+bug/1066464/comments/1

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On 2013-01-24T14:55:35+00:00 Assen-g wrote:

Just tried to install Fedora 18 which has X.Org 1.13 (whatever it may
be, as the X.Org site has no such release) and it fell miserably with
SIGSEGV. As some investigation showed, in 1.12 releases the X.Org has
dropped XAA whatsoever and now the SiS driver is trying to use EXA...
which is broken... and it fails.

Can't believe this has been reported 2 years ago and there isn't even a
single comment from X.org/Freedesktop... Obviously, they're good in
dropping things out and not so good in creating working things.

So, this is to confirm: the bug is still there, wild and furious.

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
sis/+bug/1066464/comments/5


** Changed in: xserver-xorg-video-sis
       Status: Unknown => Confirmed

** Changed in: xserver-xorg-video-sis
   Importance: Unknown => Medium

** Bug watch added: freedesktop.org Bugzilla #9611
   https://bugs.freedesktop.org/show_bug.cgi?id=9611

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https://bugs.launchpad.net/bugs/1066464

Title:
  SiS driver crashes Xserver with EXA acceleration

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