Re: [PATCH] drm/i915: tune down hangcheck noise

[Daniel Vetter <daniel@ffwll.ch>]

On Wed, Aug 28, 2013 at 10:59:42AM +0200, Daniel Vetter wrote:
> We already have a big splashing *ERROR* for all the relevant cases of
> hangs, so this one here is redudant. And it results in an unclean
> dmesg when running with simulated hangs. Regression has been
> introduced in
> 
> commit 05407ff889ceebe383aa5907219f86582ef96b72
> Author: Mika Kuoppala <mika.kuoppala@linux.intel.com>
> Date:   Thu May 30 09:04:29 2013 +0300
> 
>     drm/i915: detect hang using per ring hangcheck_score
> 
> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=68641
> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

Tested-by: lu hua <huax.lu@intel.com>
> ---
>  drivers/gpu/drm/i915/i915_irq.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
> index a03b445..4c6853f 100644
> --- a/drivers/gpu/drm/i915/i915_irq.c
> +++ b/drivers/gpu/drm/i915/i915_irq.c
> @@ -2027,9 +2027,9 @@ static void i915_hangcheck_elapsed(unsigned long data)
>  
>  	for_each_ring(ring, dev_priv, i) {
>  		if (ring->hangcheck.score > FIRE) {
> -			DRM_ERROR("%s on %s\n",
> -				  stuck[i] ? "stuck" : "no progress",
> -				  ring->name);
> +			DRM_INFO("%s on %s\n",
> +				 stuck[i] ? "stuck" : "no progress",
> +				 ring->name);
>  			rings_hung++;
>  		}
>  	}
> -- 
> 1.8.4.rc3
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch