[Kernel-packages] [Bug 1550779] Re: [i915]] *ERROR* CPU pipe A FIFO underrun - Xorg glitches

2016-07-01 Thread Anthony Roach
Correct to my previous comment. After running on kernel 4.6.3-040603-generic I do still see the "funny repetition patterns (back in time glitches)", but it seems less frequent. The other problems (black screen and buffer underrun in dmesg) have not recurred. -- You received this bug notification

[Kernel-packages] [Bug 1550779] Re: [i915]] *ERROR* CPU pipe A FIFO underrun - Xorg glitches

2016-06-30 Thread Anthony Roach
I was having this same problem running kernel 4.4.0-28-generic in 16.04. Upgrading to kernel 4.6.3-040603-generic seems to have resolved the problems (or at least made it rare enough that I don't notice it anymore). On 4.4 the graphic errors were particular common (every few seconds) when using