Control: tag -1 moreinfo On Fri, 9 Jan 2015 17:57:08 -0600 <[email protected]> wrote: > I installed Jessie on a Lenovo W530 with BIOS set to NVIDIA Optimus and > OS Detection enabled. > > I wanted to use the NVIDIA discrete graphics so I changed the BIOS to > Discrete Graphics with OS detection disabled, and installed > nvidia-driver from the repository. I edited /etc/default/grub to add > the kernel options "nox2apic rcutree.rcu_idle_gp_delay=1". > > This worked through several reboots, for about a day. After that the > machine froze when the NVIDIA logo should have appeared: the screen > backlight turned off, the hard drive stopped spinning, and the only > action that had effect was holding the power button down to power off. > > When I rebooted in single-user mode I discovered I could startx as > root. The NVIDIA logo appeared, then the kdm login screen. Once I had > logged in I could log out, kdm would restart, and I could log in > normally. This lasted about a day, then kdm would not re-start after I > ended a root session. > > I purged (not removed) *everything* related to NVIDIA, and > re-installed. I was able to boot normally just ONCE. > > I disabled kdm so I could startx with logverbose 6 and capture the > failure. Instead kdm started normally. > > The Xorg.0.log below is from starting as a normal user at the console; > Xorg.0.log.old is the result of trying to boot normally straight to kdm.
Is this issue still present with the latest drivers in stable/unstable/experimental? (375.xx or newer). There is no more kdm in stable nowadays ... Andreas
