I tried an earlier kernel (2.6.32-16) which I am sure used to work, but
there is no change. It seems the issue lies within the driver. I tried
downgrading but there seem to be some issues. I can see the old deb
files using a locate, but apt-cache does not indicate their presence,
hence I cannot do an automatic downgrade. Here is a relevant log:
$ locate xserver-xorg-video-ati
/usr/share/apport/package-hooks/source_xserver-xorg-video-ati.py
/usr/share/bug/xserver-xorg-video-ati
/usr/share/bug/xserver-xorg-video-ati/script
/usr/share/doc/xserver-xorg-video-ati
/usr/share/doc/xserver-xorg-video-ati/NEWS.Debian.gz
/usr/share/doc/xserver-xorg-video-ati/changelog.Debian.gz
/usr/share/doc/xserver-xorg-video-ati/changelog.gz
/usr/share/doc/xserver-xorg-video-ati/copyright
/var/cache/apt/archives/xserver-xorg-video-ati_1%3a6.12.191-1ubuntu2_amd64.deb
/var/cache/apt/archives/xserver-xorg-video-ati_1%3a6.12.192-2ubuntu2_amd64.deb
/var/cache/apt/archives/xserver-xorg-video-ati_1%3a6.13.0-1ubuntu1_amd64.deb
/var/cache/apt/archives/xserver-xorg-video-ati_1%3a6.13.0-1ubuntu2_amd64.deb
/var/cache/apt/archives/xserver-xorg-video-ati_1%3a6.13.0-1ubuntu3_amd64.deb
/var/cache/apt/archives/xserver-xorg-video-ati_1%3a6.13.0-1ubuntu5_amd64.deb
/var/lib/dpkg/info/xserver-xorg-video-ati.list
/var/lib/dpkg/info/xserver-xorg-video-ati.md5sums
/var/lib/dpkg/info.orig/xserver-xorg-video-ati.list
/var/lib/dpkg/info.orig/xserver-xorg-video-ati.md5sums
$ sudo apt-cache showpkg xserver-xorg-video-radeon
Package: xserver-xorg-video-radeon
Versions:
1:6.13.0-1ubuntu5
(/var/lib/apt/lists/mirror.cc.columbia.edu_pub_linux_ubuntu_archive_dists_lucid_main_binary-amd64_Packages)
(/var/lib/dpkg/status)
Description Language:
File:
/var/lib/apt/lists/mirror.cc.columbia.edu_pub_linux_ubuntu_archive_dists_lucid_main_binary-amd64_Packages
MD5: 22563809adc62297091f8573cfba0d65
Reverse Depends:
xserver-xorg-video-radeon-dbg,xserver-xorg-video-radeon 1:6.13.0-1ubuntu5
xserver-xorg-video-ati,xserver-xorg-video-radeon
Dependencies:
1:6.13.0-1ubuntu5 - libc6 (2 2.7) libdrm-radeon1 (2 2.4.17) libdrm2 (2 2.4.16)
libpciaccess0 (2 0.10.2) libpixman-1-0 (0 (null)) xserver-xorg-core (2
2:1.6.99.900) firmware-linux (0 (null)) xserver-xorg-video-ati (1 1:6.8.191-1)
Provides:
1:6.13.0-1ubuntu5 - xserver-xorg-video-6
Reverse Provides:
(I just noticed that I searched for the ati driver, and then got
information about radeon in the log above; the radeon deb files are also
present).
Could you suggest some route for safe downgrading? I could try using
dpkg -i directly from the cache but chasing dependencies could be a
significant issue.
--
Xserver does not start due to drm problem
https://bugs.launchpad.net/bugs/565643
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