On Mon, Sep 15, 2014 at 09:59:11PM -0500, Patrick Welche wrote: > After a recent -current update, using new drmkms on a sandy bridge, > I found that e.g., when using firefox, the cpu would hit 100%, all > would freeze, and I would have to hard reset, so no actual clue on > the problem. > > This is on a: > > i915drmkms0 at pci0 dev 2 function 0: Intel Sandy Bridge Integrated Graphics > Device (rev. 0x09) > > > The work around was to pop > > Option "AccelMethod" "SNA" > > in /etc/X11/xorg.conf, and things are now stable...
Despite the S in SNA meaning "Sandy", this also fixes Ivy bridge for me (slightly different symptom of UXA on Ivy bridge: no graphics output at all) Cheers, Patrick