Date: Wed, 20 Sep 2006 08:06:12 -0500 From: Stephen Montgomery-Smith <stephen@math.missouri.edu> To: Markus Hoenicka <markus.hoenicka@mhoenicka.de> Cc: freebsd-mobile@freebsd.org Subject: Re: Xorg (i810) freezes randomly when using hardware accel Message-ID: <45113CC4.40309@math.missouri.edu> In-Reply-To: <1158738818.4510f3827f318@www.domainfactory-webmail.de> References: <1158738818.4510f3827f318@www.domainfactory-webmail.de>
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Markus Hoenicka wrote: > Hi, > > I'm running FreeBSD 6.1 on a MSI260 subnotebook. It's a Centrino thing using the > 915GM chipset. Xorg is running (mostly) alright using the current 6.9.0 ports. > However, I suffer from random freezes when running programs that apparently try > to use hardware acceleration. I see this e.g. when watching movie clips with > Xine. This is not a problem with the clips themselves. They run ok a couple of > times, then they randomly freeze X. > > This happens only if I use the i810 driver. I can run X just as well with the > Vesa driver (without hardware acceleration). The frame rates are lower, but X > is rock solid. It also never freezes if I use only applications that do not use > hardware acceleration. > > The real bad thing is that after the i810 driver freezes X, I can't access the > console anymore. Pressing Ctrl+Alt+backspace sometimes alters the frozen > display to a modern-art style random pattern, but the box does not react to > further keypresses, and the display never leaves graphics mode. FreeBSD is > still running happily underneath as I can log in from a remote box without a > hitch. The process list shows that all X-related stuff is gone, except a font > server. > > My two questions: > > 1) is there anything I can do to prevent the crashes in the first place? > > 2) if it has to crash anyway, is there a magic incantation (even if I have to > log in remotely) to activate the console again? Having to reboot makes me feel > like running Windows. Interestingly enough I get exactly the same problem with my desktop system with an Nvidia graphics card. The only difference is that when I log on remotely, top shows Xorg running with close to 100% cpu. "killall -9 Xorg" fixes the problem for me, but it is not a satisfactory solution.
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