With the previous kernel I don't see the glitches nor the i915 underruns $ uname -a Linux river 4.2.0-27-generic #32-Ubuntu SMP Fri Jan 22 04:49:08 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux $ dmesg | grep i915 [ 2.698444] [drm] Initialized i915 1.6.0 20150522 for 0000:00:02.0 on minor 0 [ 2.763865] [drm] GMBUS [i915 gmbus dpb] timed out, falling back to bit banging on pin 5 [ 3.498858] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device [ 3.498859] i915 0000:00:02.0: registered panic notifier
** Summary changed: - [i915]] *ERROR* CPU pipe A FIFO underrunXorg glitches + [i915]] *ERROR* CPU pipe A FIFO underrun - Xorg glitches -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1550779 Title: [i915]] *ERROR* CPU pipe A FIFO underrun - Xorg glitches To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1550779/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
