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[Thomas Antepoth <544496@xxxxxxxxxxxxxxxxxx>]

Installed a ppa kernel 2.6.35-18 yesterday by installing this kernel according to:
root@sofa:/etc/apt/sources.list.d# cat kernel-ppa-ppa-lucid.list 
deb http://ppa.launchpad.net/kernel-ppa/ppa/ubuntu lucid main

Key management is still lacking - but this is currently not my concern.

Upgraded to a 2.6.35-19 today while doing a safe-upgrade and running
this kernel for about four hours:

uname -a
Linux sofa 2.6.35-19-generic #25~lucid1-Ubuntu SMP Wed Aug 25 03:50:05 UTC 2010 x86_64 GNU/Linux

Had to set:

GRUB_CMDLINE_LINUX="nomodeset"

in /etc/default/grub to get EDID-Scan back to work.

Both 2.6.35 versions showed a quite a bit of a performance increase. The
about five to ten seconds delays where no screen updates took place
shrank to 0.5 to at most 2 seconds durations.

On top of that the GPU-crashes which were documented in
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
ati/+bug/585986 did not occur on those kernel versions.

Compared to the stock kernel 2.6.32 I'm pleased with the 2.6.35 now,
although the overall performance is quite below the fglrx on Debian
Lenny on the same hardware. Fglrx had its own issues not to be discussed
here.

Matej: Would you mind to set the duplicate issue number here to get me
back on the track, please?

-- 
[RS100] desktop became slow after upgrading to Lucid
https://bugs.launchpad.net/bugs/544496
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