Okay. I solved it. It was indeed an overheating problem. The VIA chipset was somewhere around 75C. Thank you for helping ;) <div class="gmail_quote">On Wed, Jun 18, 2008 at 9:37 PM, Daniel Stone <<a href="mailto:daniel@fooishbar.org">daniel@fooishbar.org</a>> wrote: <blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div class="Ih2E3d">On Wed, Jun 18, 2008 at 09:24:30PM +0200, Michael v.Vierssen wrote: > I've done the following: > > - Using the NV driver instead of the closed NVidia driver. > Not tainting the kernel in any way and 3D acceleration disabled. > - Getting a backtrace of Metacity segfaulting. See links. > > The crashes and artifacts (see quoted message below) still occur :( > > Please see the following links: > <a href="http://satl.com/segfaults_and_artifacts/metacity-bt.txt" target="_blank">http://satl.com/segfaults_and_artifacts/metacity-bt.txt</a> > <a href="http://satl.com/segfaults_and_artifacts/xsession-errors" target="_blank">http://satl.com/segfaults_and_artifacts/xsession-errors</a> > <a href="http://satl.com/segfaults_and_artifacts/Xorg.0.log" target="_blank">http://satl.com/segfaults_and_artifacts/Xorg.0.log</a> > <a href="http://satl.com/segfaults_and_artifacts/xorg.conf" target="_blank">http://satl.com/segfaults_and_artifacts/xorg.conf</a> > <a href="http://satl.com/segfaults_and_artifacts/kernel-log.txt" target="_blank">http://satl.com/segfaults_and_artifacts/kernel-log.txt</a> > <a href="http://satl.com/segfaults_and_artifacts/lsmod.txt" target="_blank">http://satl.com/segfaults_and_artifacts/lsmod.txt</a> > <a href="http://satl.com/segfaults_and_artifacts/lspci.txt" target="_blank">http://satl.com/segfaults_and_artifacts/lspci.txt</a> > <a href="http://satl.com/segfaults_and_artifacts/lshw.txt" target="_blank">http://satl.com/segfaults_and_artifacts/lshw.txt</a> > > Could it be the hardware? And where should I look next? </div>Yeah, at this point I'd suggest just running memtest86 and some other tools like that to determine basic system health. This looks completely random. Is your system overheating? Is your CPU overclocked? Cheers, Daniel -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iEYEARECAAYFAkhZY+IACgkQUVYB1rKAgJRW2gCgy8e7DxBk08JTLcR47T/kQauo Br0AoLUY7aUJQGIwQOMAXFulh4n2ywxb =wdGv -----END PGP SIGNATURE----- </blockquote></div>