https://bugs.freedesktop.org/show_bug.cgi?id=70388 Lukas Wunner changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |lukas-JFq808J9C/izQB+pC5nmwQ@public.gmane.org --- Comment #37 from Lukas Wunner --- (In reply to Linas Vepstas from comment #33) > After this, starting X a second time does not generate any video-out, so > monitors stay blanked. Nothing at all printed in /var/log/syslog. However > kern.log shows: > > Oct 31 15:41:47 fanny kernel: [ 2761.045902] INFO: task kworker/10:1:135 > blocked for more than 120 seconds. > Oct 31 15:41:47 fanny kernel: [ 2761.045912] Not tainted > 3.18.0-rc2-linas #5 > Oct 31 15:41:47 fanny kernel: [ 2761.045915] "echo 0 > > /proc/sys/kernel/hung_task_timeout_secs" disables this message. > Oct 31 15:41:47 fanny kernel: [ 2761.045920] kworker/10:1 D > ffff88085dd53040 0 135 2 0x00000000 > Oct 31 15:41:47 fanny kernel: [ 2761.045959] Workqueue: events > output_poll_execute [drm_kms_helper] This hung task issue has been fixed in v4.16-rc3 with https://git.kernel.org/linus/d61a5c106351 It is unrelated however to the "failed to idle channel" issue AFAICS. -- You are receiving this mail because: You are the assignee for the bug.