ubuntu-x-swat team mailing list archive

[Chris Halse Rogers <raof@xxxxxxxxxx>]

Looking at the video it's obvious that parts of the framebuffer are
getting displayed, but clearly this is something more than just setting
a bad display mode - otherwise the system would return to the working
resolution after the “Do you want to keep these settings” timeout
elapsed.  Indeed, from the most recent Xorg log it looks like the
timeout *has* elapsed, and the driver has reset the framebuffer size to
1920x1200.

Since the logs, particularly the dmesg, don't contain any errors, it
would be very useful if you could reboot, append “drm.debug=0x06” to the
kernel command line, and reproduce this.  That will make the intel
kernel module (which is likely to be the problem here) print a lot of
debugging information into dmesg, which should be recorded in
/var/log/kern.log.  If you could attach your /var/log/Xorg.0.log and
/var/log/kern.log after reproducing with drm.debug=0x06, that would be
great.

-- 
[i965q] Fujitsu Siemens Esprimo E: changing resolution results in non working X
https://bugs.launchpad.net/bugs/586325
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