On Tue, 11 Jan 2011 14:51:40 +1000, Dave Airlie <airlied@xxxxxxxxx> wrote: > On Tue, Jan 11, 2011 at 2:48 PM, Dave Airlie <airlied@xxxxxxxxx> wrote: > > On Tue, Jan 11, 2011 at 2:16 PM, Linus Torvalds > > <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote: > >> On Mon, Jan 10, 2011 at 2:59 PM, Dave Airlie <airlied@xxxxxxxx> 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: > >> > >> Â ... > >> Â [ 8482.000414] [drm:i915_hangcheck_ring_idle] *ERROR* Hangcheck > >> timer elapsed... render ring idle [waiting on 30938, at 30938], missed > >> IRQ? > >> Â [ 8485.918124] [drm:i915_hangcheck_ring_idle] *ERROR* Hangcheck > >> timer elapsed... render ring idle [waiting on 31068, at 31068], missed > >> IRQ? > >> Â [ 8487.926963] [drm:i915_hangcheck_ring_idle] *ERROR* Hangcheck > >> timer elapsed... render ring idle [waiting on 31129, at 31129], missed > >> IRQ? > >> Â ... > >> > >> 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?) Â 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? > > I've also noticed Chris has some more patches in drm-intel-next I > haven't got in this pull request. > > I don't think he's sent me a pull request though so not telling how > stable they are. Yes, there are a few pending fixes. I've been waiting on feedback from testing for some more before asking for a pull. In part because we have some more eDP fixes, courtesy of Jesse, that makes everyone but Jim Getty happy. However, I've not seen anything like this so I doubt that d-i-n contains the fix. Dave, is yours related to the DMAR errors that is plaguing your systems? Linus, is anything else kicked off upon powersaving? A screen saver or is it just the blanking that triggers the mess? -Chris -- Chris Wilson, Intel Open Source Technology Centre
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