I just updated to kernel-version 2.6.31-rc9 (vanilla) and KMS is now fully functional on my 855GM-chipset. No more black screen, usplash shows up, etc.
There was no change to the xorg-intel-driver in the last few weeks, so it must have been a kernel problem. Waiting for an official upgrade to the ubuntu-kernel should solve the problem once and forever.
Here is the corresponding bug entry for the kernel :
I just updated to kernel-version 2.6.31-rc9 (vanilla) and KMS is now fully functional on my 855GM-chipset. No more black screen, usplash shows up, etc.
There was no change to the xorg-intel-driver in the last few weeks, so it must have been a kernel problem. Waiting for an official upgrade to the ubuntu-kernel should solve the problem once and forever.
Here is the corresponding bug entry for the kernel :
http:// bugs.freedeskto p.org/show_ bug.cgi? id=20115