Public bug reported:
This may be related to bug 267241
On a Sony Vaio VGN-A270P. with an ATI Mobility Radeon 9700 chipset, I
had upgraded 8.04 (Hardy) to 8.10 (Intrepid) via the Update Manager (it
offered the upgrade) and rebooted. On the reboot, X would not load.
Xorg.0.log has toward the end...
drmOpenDevice: node name is /dev/dri/card0
drmOpenDevice: open result is -1, (No such device or address)
drmOpenDevice: open result is -1, (No such device or address)
drmOpenDevice: Open failed
Then it gives a backtrace. There is nothing in /dev/dri
Booted the same machine (the Sony Vaio) with an alpha release "live CD"
8.10 (Intrepid) disk. It worked. The radeon module was loaded (I used
lsmod to check) and /dev/dri/card0 did exist. (There seemed to be a few
problems with X when trying to switch users, but I didn't play with it
enough to determine exactly what the problems were. Perhaps in fixing
these problems, something else got broken.)
So the point of this is that the radeon modules and the kernel were
working in the alpha version but not in the production version.
Adding 'Driver "vesa"' to xorg.conf brings up Gnome in low resolution
mode.
Xorg package information via 'apt-cache policy xorg'
Installed: 1:7.4~5ubuntu3
Candidate: 1:7.4~5ubuntu3
Version table:
*** 1:7.4~5ubuntu3 0
500 http://us.archive.ubuntu.com intrepid/main Packages
100 /var/lib/dpkg/status
** Affects: xorg-server (Ubuntu)
Importance: Undecided
Status: New
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Radeon driver nonfunctional in Intrepid
https://bugs.launchpad.net/bugs/294853
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