*** This bug is a duplicate of bug 1550779 *** https://bugs.launchpad.net/bugs/1550779
It appears a number of people are reporting the same kernel error or similar with docks in bug 1550779. And one other user also mentions "HP 840" but an older model. The problems are close enough that I think the best next step is to treat this as a duplicate of bug 1550779 until further progress is made there in teasing out multiple issues as appropriate. ** This bug has been marked a duplicate of bug 1550779 [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1848123 Title: After I turn on the machine in the morning (probably from S3 sleep), it just blinks the displays for a few moments, than it turns to black for seconds and this is an endless loop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1848123/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp