I have an Asus X555UB laptop with Geforce 940M active and this error
happens with me when I try to wake up from suspend mode.
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
[drm:intel_cpu_fifo_underrun_irq_handler [i915_bpo]] *ERROR* CPU pipe
B FIFO underrun
To manage notifications about this bug go to:
ubuntu-bugs mailing list