"Dave Airlie" <airlied at gmail.com> wrote: >On Tue, Jan 11, 2011 at 2:16 PM, Linus Torvalds ><torvalds at linux-foundation.org> wrote: >> On Mon, Jan 10, 2011 at 2:59 PM, Dave Airlie <airlied at linux.ie> >wrote: >>> Highlights: >>> core/drivers: add support for high precision vblank timestamps >>> radeon: pageflipping support, Gen2 PCIE support >>> nouveau: reworked VRAM and VM support >>> intel: better ILK/SNB powersaving support, Full GTT support >> >> Lowlights: it's broken. >> >> I get millions of messages like: >> >> ?... >> ?[ 8482.000414] [drm:i915_hangcheck_ring_idle] *ERROR* Hangcheck >> timer elapsed... render ring idle [waiting on 30938, at 30938], >missed >> IRQ? >> ?[ 8485.918124] [drm:i915_hangcheck_ring_idle] *ERROR* Hangcheck >> timer elapsed... render ring idle [waiting on 31068, at 31068], >missed >> IRQ? >> ?[ 8487.926963] [drm:i915_hangcheck_ring_idle] *ERROR* Hangcheck >> timer elapsed... render ring idle [waiting on 31129, at 31129], >missed >> IRQ? >> ?... >> >> and everything is very choppy. I assume it's the power saving thing >> that broke again, but that's just a total random guess, I have >nothing >> to actually back that up with. >> >> It worked fine after boot, but those problems began at 8287.139375 >> (about two hours after boot - it may have coincided with screen >saver, >> but who knows?) ?and have been happening constantly since. The >machine >> is not really usable, I'm writing this with annoying 2-second pauses >> every once in a while. > >Okay I'll try and reproduce and curse Chris and Jesse, does booting >with >i915.powersave=0 help any? > >Dave.
Arg. It's been ok on my ILK systems, but Chris has found some issues with out watermarking code iirc; apparently we're underflowing the display FIFO, causing all sorts of trouble. If it works before the pull of Dave's tree, can you bisect? Thanks, -- Jesse Barnes, Intel Open Source Technology Center
