(In reply to comment #107) > (In reply to comment #106) > > (In reply to comment #104) > > > I'm not sure my problem is related to this bug. > > > > Most likely it isn't - gpu hang is similar to an application crashing. > > Please file a new bug report and don't forget to attach the error state > > file. That's the first thing we need to triage the bug. > > > > And of course list the versions of all the userspace driver parts (mesa, > > ddx, ...) since like a normal application crash most often it's not a kernel > > bug, but a bug in the render commands submitted by userspace to the gpu. > > Why userspace drivers can breaking render and calling error in kernel part > of driver? May be can add "filter" sent commands and ignore (or other > reaction, but not execute their) their?
The GPU is a full Turing complete computational engine (in fact, lots of them coupled in parallel and in series), see http://xkcd.com/1266/ -- 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/1041790 Title: [snb] GPU lockup IPEHR: 0x0b160001 IPEHR: 0x0b140001, workaround i915.semaphores=0 To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/1041790/+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