It seems working, but there is something strange: root@si14-laptop:~# cat /etc/default/grub | grep semaph GRUB_CMDLINE_LINUX_DEFAULT="quiet splash i915.semaphores=1" root@si14-laptop:~# cat /sys/module/i915/parameters/semaphores 0 And this is so after reboot.
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/761065 Title: [Sandybridge] Spurious "*ERROR* Hangcheck timer elapsed... blt ring idle" messages in dmesg when using compiz _______________________________________________ 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