[Intel-gfx] 3.7-rc7 IVB forcewake resume timeouts...

[Ben Widawsky]

On Wed, 28 Nov 2012 11:13:14 +0800
Daniel J Blueman <daniel at quora.org> wrote:

> Hi Daniel/Ben,
> 
> On stock 3.7-rc7, when resuming my Ivy Bridge laptop from suspend, the
> kernel logs:
> 
> [drm:__gen6_gt_force_wake_mt_get] *ERROR* Timed out waiting for
> forcewake to ack request.
> [drm:__gen6_gt_wait_for_thread_c0] *ERROR* GT thread status wait timed out
> [drm:__gen6_gt_force_wake_mt_get] *ERROR* Timed out waiting for
> forcewake to ack request.
> [drm:__gen6_gt_force_wake_mt_get] *ERROR* Timed out waiting for
> forcewake old ack to clear.
> [drm:__gen6_gt_force_wake_mt_get] *ERROR* Timed out waiting for
> forcewake to ack request.
> [drm:__gen6_gt_force_wake_mt_get] *ERROR* Timed out waiting for
> forcewake to ack request.
> [drm:__gen6_gt_force_wake_mt_get] *ERROR* Timed out waiting for
> forcewake to ack request.
> [drm:__gen6_gt_force_wake_mt_get] *ERROR* Timed out waiting for
> forcewake old ack to clear.
> [drm:__gen6_gt_force_wake_mt_get] *ERROR* Timed out waiting for
> forcewake to ack request.
> [drm:__gen6_gt_force_wake_mt_get] *ERROR* Timed out waiting for
> forcewake old ack to clear.
> 
> I'm running xserver-xord-video-intel 2.20.9 and xorg-server 1.13.0.
> 
> Interested in any debug output?
> 
> Thanks,
>   Dan
> --
> Daniel J Blueman

Hi Dan.

Is this a regression? The first one is sort of expected, but the rest
are no good.

Timing printk and lspci info would be a good start.

Thanks.

-- 
Ben Widawsky, Intel Open Source Technology Center