[Bug 593568] [NEW] Regression: screen resolution shrinked when booting into 2.6.32-22 kernel

[Otto Kekäläinen]

Public bug reported:

During Lucid development I was running kernel versions 2.6.32-14 and -15
on a Thinkpad X31 laptop. The screen resolution was good (1280x1024).
Later I updated the computer to newest Lucid with kernel 2.6.32-22 and
the maximum resolution in my X shrank to 1024x768.

I still have the -15 kernel available in the Grub menu and when I boot
with the older kernel the resolution is fine (1280x1024). So the issue
is a regression in kernel -22.


I'm a developer and I'm happy to debug this myself if somebody could give directions on what to look for. I have no clue what things have changed between kernel -15 and -22.

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

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Regression: screen resolution shrinked when booting into 2.6.32-22 kernel 
https://bugs.launchpad.net/bugs/593568
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