[Bug 635047] [NEW] After updating to latest Maverick 2.6.35-20 X.org does not start anymore

[John Sanders]

Public bug reported:

I had a maverick install from 10/10/2010 Alpha 3 and although it had a
few issues (Alpha!) it was more or less working 99% and was pretty fast
(compared to Karmic that I was running on the box prior.)

My computer is an IBM Thinkpad X40 it has an Intel integrated graphics
card:

00:02.0 VGA compatible controller: Intel Corporation 82852/855GM Integrated Graphics Device (rev 02)
00:02.1 Display controller: Intel Corporation 82852/855GM Integrated Graphics Device (rev 02)

The problem started this morning, yesterday I did the usual "apt-get
update" and "apt-get dist-upgrade" switched the computer off and went to
bed.

To my surprise this morning X was not starting any more the error
message I get is:

[    26.893] (EE) intel(0): No kernel modesetting driver detected.
[    26.893] (II) UnloadModule: "intel"
[    26.893] (EE) Screen(s) found, but none have a usable configuration.
[    26.893]
Fatal server error:
[    26.893] no screens found

I've found that this happens when I boot with the latest kernel;
2.6.35-20-generic, and does not happen with the one from Alpha 3:
2.6.35-19-generic

I tried to disable KMS writing "options i915 modeset=0" on
/etc/modprobe.d/i915-kms.conf but it doesn't make any difference.

The only way for me to get a desktop is to boot the "Alpha 3:
2.6.35-19-generic" kernel.

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

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After updating to latest Maverick 2.6.35-20 X.org does not start anymore
https://bugs.launchpad.net/bugs/635047
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