I think this has to do with vgaswitcheroo. In kern.log I see messages like quoted below. I googled for this and found some bug that happens if vgaswitcheroo is used to turn off the discrete graphics card. When I turn it on again, the error for now goes away..
Jun 26 01:17:04 hpux kernel: [ 39.073292] [drm:atom_op_jump] *ERROR* atombios stuck in loop for more than 5secs aborting Jun 26 01:17:04 hpux kernel: [ 39.073297] [drm:atom_execute_table_locked] *ERROR* atombios stuck executing D1F6 (len 62, WS 0, PS 0) @ 0xD212 Jun 26 01:17:04 hpux kernel: [ 39.073301] [drm:atom_execute_table_locked] *ERROR* atombios stuck executing C83E (len 857, WS 0, PS 0) @ 0xC89B Jun 26 01:17:09 hpux kernel: [ 44.091688] [drm:atom_op_jump] *ERROR* atombios stuck in loop for more than 5secs aborting Jun 26 01:17:09 hpux kernel: [ 44.091693] [drm:atom_execute_table_locked] *ERROR* atombios stuck executing D582 (len 72, WS 0, PS 0) @ 0xD5B1 Jun 26 01:17:14 hpux kernel: [ 49.094094] [drm:atom_op_jump] *ERROR* atombios stuck in loop for more than 5secs aborting Jun 26 01:17:14 hpux kernel: [ 49.094097] [drm:atom_execute_table_locked] *ERROR* atombios stuck executing D1F6 (len 62, WS 0, PS 0) @ 0xD212 Jun 26 01:17:19 hpux kernel: [ 54.096492] [drm:atom_op_jump] *ERROR* atombios stuck in loop for more than 5secs aborting Jun 26 01:17:19 hpux kernel: [ 54.096496] [drm:atom_execute_table_locked] *ERROR* atombios stuck executing D1F6 (len 62, WS 0, PS 0) @ 0xD212 Jun 26 01:17:24 hpux kernel: [ 59.098895] [drm:atom_op_jump] *ERROR* atombios stuck in loop for more than 5secs aborting Jun 26 01:17:24 hpux kernel: [ 59.098898] [drm:atom_execute_table_locked] *ERROR* atombios stuck executing D1F6 (len 62, WS 0, PS 0) @ 0xD212 Jun 26 01:17:29 hpux kernel: [ 64.101297] [drm:atom_op_jump] *ERROR* atombios stuck in loop for more than 5secs aborting Jun 26 01:17:29 hpux kernel: [ 64.101309] [drm:atom_execute_table_locked] *ERROR* atombios stuck executing D1F6 (len 62, WS 0, PS 0) @ 0xD212 Jun 26 01:17:34 hpux kernel: [ 69.103701] [drm:atom_op_jump] *ERROR* atombios stuck in loop for more than 5secs aborting -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1194873 Title: Hangs during boot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1194873/+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
