1. System->Quit->Switch User
2. I relogin as myself
3. System->Quit->Switch User
Then black screen and I can't do anything more.
If I log on this computer from another one through ssh. I can see that gdm is stuck waiting for the new X process.
I straced the whole process and X freezes soon after ioctl on /dev/nvidia0 and /dev/nvidiactl, I can't even kill it.
I switched from proprietary nvidia driver to the opensource nv driver and the bug disappeared so I think this bug is driver-related.
I was unable to reproduce it on another computer using the X savage driver.
I am able to reproduce a similar bug on gutsy:
1. System- >Quit-> Switch User >Quit-> Switch User
2. I relogin as myself
3. System-
Then black screen and I can't do anything more.
If I log on this computer from another one through ssh. I can see that gdm is stuck waiting for the new X process.
I straced the whole process and X freezes soon after ioctl on /dev/nvidia0 and /dev/nvidiactl, I can't even kill it.
I switched from proprietary nvidia driver to the opensource nv driver and the bug disappeared so I think this bug is driver-related.
I was unable to reproduce it on another computer using the X savage driver.