As far as I understand it has time racing condition between intel and radeon modules. And it may be related with vgaswitcheroo too. On earlyer versions of ubuntu changing the waiting time and the gfx mode in grub seemed to affect the bug somehow. Some combination of that even maked it disappear :)
As far as I understand it has time racing condition between intel and radeon modules. And it may be related with vgaswitcheroo too. On earlyer versions of ubuntu changing the waiting time and the gfx mode in grub seemed to affect the bug somehow. Some combination of that even maked it disappear :)