Questions tagged [i915]

I am considering to try what is mentioned here - Battery life decreased after upgrade to 11.04 - concerning minimizing power consumption. For example I see that in my case - i915.i915_enable_rc6=0 by issuing the following command cat…

I have a Lenovo V570 laptop with ubuntu 16.04 with flickering pixels on screen. I Tried with Windows 7 too gives the same problem, might be a hardware issue. On Ubuntu 14.04 I had fixed it by using the VESA driver instead of i915, somehow I…

When I use OpenGL at anything close to full-screen resolution, rendering, audio, and processing begin to stutter -- freezing for about a second at a time. kern.log reports: [drm:i915_hangcheck_ring_idle] *ERROR* Hangcheck timer elapsed... blt ring…

My /etc/default/grub has these kernel options, which were required to improve battery life when I originally installed 12.04: pcie_aspm=force i915.i915_enable_rc6=1 i915.i915_enable_fbc=1 i915.lvds_downclock=1 Are these still required now that I've…