On Wed, 18 Jan 2012 01:24:26 +0100, Daniel Vetter <daniel at ffwll.ch> wrote: > On Wed, Jan 18, 2012 at 01:16:02AM +0100, CC wrote: > > I attached the error state. > > Nice one, your gpu seems to have simply disappeared. And the ringbuffer > contains a rather peculiar cmd sequence. Putting Chris (maybe he > recognizes the pattern) and Ben (he's got a patch in the works to dump a > debug register that might be interesting here) on cc. It's too late atm > for me to think about this some more. Not simply disappeared, someone clobbered it with an extremely large hammer. The GPU was killed by a stray write to address 0 which took out the render ring buffer and its hws page. So my first thought is a missing relocation, and i965g springs to mind. -Chris -- Chris Wilson, Intel Open Source Technology Centre
