On Thursday 26 August 2010 05:55:42 Rem P Roberti wrote: > In an attempt to diagnose why my Thinkpad R51 completely locks up when > trying to access X I have done the following. I built a debugging > kernel, with KDB, DDB, WITNESS, INVARIANT*, AND DIAGNOSTIC in addition > to *BREAK_TO_DEBUGGER. None of these things have yielded any progress > in isolating the issue. Note that replacing the 'intel' driver with the > 'vesa' driver in /etc/X11/xorg.conf does not cause the computer to > hang. The problem appears to be specific to the intel driver. Also, I > have been unable to get a crash report (which is what we were hoping to > see in /var/crash) regardless of the debugging options built into the > kernel. > > I have attached the output of 'uname -a', 'dmesg', and 'pciconf -lv' to > this post.
It could be related to DRI, so try to disable it in /etc/X11/xorg.conf:
Section "Module"
Disable "dri"
Disable "dri2"
EndSection
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