Just a small update: I have been using i915.enable_psr=0 i915.enable_dc=0 i915.enable_fbc=0 i915.enable_dp_mst=1 parameters for a few days, but except the very first or first two days when I unplugged the docking station, it doesn't helped at all. So I decided to add error_capture=1 (record the GPU state following a hang) and a few days later complete it with a manual/udev disable for the i915 rc6. The kernel parameter has been removed (https://bugzilla.redhat.com/show_bug.cgi?id=1573482), however the function is still in the driver (/sys/class/drm/card0/power/rc6_enable:1).
Regards ** Bug watch added: Red Hat Bugzilla #1573482 https://bugzilla.redhat.com/show_bug.cgi?id=1573482 -- 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/1550779 Title: [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1550779/+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
