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[Bug 394422] [NEW] KMS karmic black screen i830 video

 

Public bug reported:

Binary package hint: xorg

karmic 2.6.31.-1 has KMS on as default.  Will not boot on IBM Thinkpad
R31 with i830 graphics.

Boot proceeds to black screen with white arrow then goes black
altogether.  Keyboard doesn't work.  Mouse doesn't work.  Cannot ssh in
from the local network because the Thinkpad is stopped altogether.

Cannot run ubuntu-bug xorg since thinkpad can't run anything at that
point.

Dual booted to intrepid (runs fine!) to get syslog, Xorg.0.log,
.xsession-errors.  There is no crash report.

Linux version 2.6.31-1-generic (buildd@vernadsky) (gcc version 4.4.0
(Ubuntu 4.4.0-8ubuntu2) ) #13-Ubuntu SMP Fri Jun 26 16:53:22 UTC 2009

This entry is done from the 2.6.31-1 by editing grub boot screen to add
nomodeset after quiet splash.  KMS is turned off so then 2.6.31-1 will
run.

Thanks, jerry

** Affects: xorg (Ubuntu)
     Importance: Undecided
         Status: New

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KMS karmic black screen i830 video
https://bugs.launchpad.net/bugs/394422
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