Sorry we didn't respond to this earlier. On Tue, 2014-04-22 at 06:30 -0500, John M. wrote: > Hi, > > My workaround was to (boot in recovery mode and) blacklist nouveau, as > in: > > # echo 'blacklist nouveau' > /etc/modprobe.d/blacklist-nouveau.conf > > After that, reboot in normal mode. > > It seems that the 3.13.x kernel is trying to load drivers for both the > Intel and NVIDIA cards, and there's a BIOS-related bug that makes the > NVIDIA card misbehave when on Linux. Previous versions of the kernel > didn't do that. > > I hope that helps. Linux is supposed to be able to switch between the Intel and Nvidia GPUs at run-time, so loading both drivers is right. The failure may be related to run-time power management and might be fixed in a later version. Have you tested a recent kernel version with nouveau re-enabled? There is currently Linux 3.14 in testing/unstable and 3.16 in experimental. Ben. -- Ben Hutchings Any sufficiently advanced bug is indistinguishable from a feature.
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