Public bug reported:
I am not sure if my problem has already been reported or not, but it is pretty
nasty, so I am reporting it.
Basically, the radeon driver completely hangs my computer when the X server
starts. The mouse seems working but the keyboard is completely irresponsive and
the screen shows garbage as if the memory had not been initialized and still
contains pieces from previous sessions. Connecting through ssh works though, so
I can tell that kde 4.2 started fine and everything works ok. There is no sign
of errors in the Xorg.0.log file. This happens as well with the installer cd
for Jaunty.
I am using a fresh installation of Jaunty, and according to lspci, my graphic
card identifier is
VGA compatible controller: ATI Technologies Inc RV635 PRO AGP [Radeon HD 3650]
There are a lot of forums describing different problems, and it took me a long
time and tries to find a workaround. What worked was to disable DRI adding the
line
Option "DRI" "off"
to the Device section of the /etc/X11/xorg.conf file. I am still confused about
it though. I could not find any meaningful log in dmesg or in Xorg.0.log and
the system does not seem to notice something is wrong while being basically
completely locked. This problem was not present with the Intrepid version of
Ubuntu. I also needed desperately to get the radeon driver to work since both
radeonhd and fglrx do not support my dual monitor setup.
Bottom line, Jaunty does not work on my machine without very specific tweaking.
I wish I could help more. Does this feel like an Xorg bug or a kernel bug?
** Affects: ubuntu
Importance: Undecided
Status: New
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garbage screen with ati driver and Radeon HD 3650 on Jaunty
https://bugs.launchpad.net/bugs/368187
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