*** This bug is a duplicate of bug 1727356 ***
https://bugs.launchpad.net/bugs/1727356
It sounds like you're referring to:
[ 22.774658] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
pipe B FIFO underrun
[ 23.870619] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
pipe B FIFO underrun
[ 24.280905] e1000e: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control:
Rx/Tx
[ 24.281048] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 25.216644] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
pipe B FIFO underrun
[ 26.474633] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
pipe B FIFO underrun
[ 27.720650] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
pipe B FIFO underrun
So this would be a kernel bug. However in my experience such kernel
errors are also not fatal and won't cause permanent graphics problems.
Looking at your CPU model however:
Core(TM)2 Duo CPU E8500
I can tell you are experiencing bug 1727356, which is not related to kernel
errors at all.
** This bug has been marked a duplicate of bug 1727356
Wayland sessions (including the login screen itself) don't start up on older
Intel GPUs (pre-Sandy Bridge)
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https://bugs.launchpad.net/bugs/1780077
Title:
FIFO underrun error
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