*** This bug is a duplicate of bug 1188123 ***
https://bugs.launchpad.net/bugs/1188123
The logs did not capture the error, do you mind tracking down one with a
stack trace? Search /var/log/Xorg*
Can you give the xrandr commands you use, for it looks like you have
just resized the panning area rather than change the resolution on the
display? I am not sure that is what you want. Perhaps an Xorg.log/xrandr
from raring might help explain what you want.
Signal 6 is SIGBUS, indicative of a GPU hang. That it results in a crash
is fixed in current kernels, but the root cause is that something hung
your gpu. There should be a /sys/kernel/debug/dri/0/i915_error_state
containing the debug details.
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https://bugs.launchpad.net/bugs/1197102
Title:
Xorg crashed with SIGABRT in raise()
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