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

I'm facing this issue in the latest kernel mainline, too. CPU is an Intel(R) Core(TM) i7-6700 CPU @ 3.40GHz (which uses i915 graphics). The graphic glitches were gone after some kernel update but the error messages in dmesg remained. -- You received this bug notification because you are a memb

[Kernel-packages] [Bug 1550779] Re: [Lenovo ThinkPad X220] *ERROR* CPU pipe A FIFO underrun - Xorg glitches

Let me join this with the following `dmesg | tail`: [Feb24 23:34] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun [Feb25 00:23] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun [Feb25 01:57] [drm:intel_cpu_fifo_underrun_irq_hand

[Kernel-packages] [Bug 1550779] Re: [Lenovo ThinkPad X220] *ERROR* CPU pipe A FIFO underrun - Xorg glitches

complement (sorry for multiple-comments): $ dmesg | grep i915 [1.439662] i915 :00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [1.439938] [drm] Finished loading DMC firmware i915/skl_dmc_ver1_27.bin (v1.27) [1.443269] [drm] Initialized i915 1.6