[Nouveau] [bisected] nouveau: "Failed to idle channel x" after resume

[Sven Joachim]

On 2012-08-08 08:08 +0200, Ben Skeggs wrote:

> On Wed, Aug 08, 2012 at 08:00:21AM +0200, Sven Joachim wrote:
>> Not for me on my GeForce 8500 GT, and I still cannot suspend more than
>> once, subsequent attempts fail:
>> 
>> ,----
>> | Aug 8 07:49:16 turtle kernel: [ 91.697068] nouveau W[
>> | PGRAPH][0000:01:00.0][0x0200502d][ffff880037be1d40] parent failed
>> | suspend, -16
>> | Aug  8 07:49:16 turtle kernel: [   91.697078] nouveau  [     DRM][0000:01:00.0] resuming display...
>> `----
> Interesting.  Were there any messages prior to that?

Nothing interesting:

,----
| Aug  8 07:49:16 turtle kernel: [   89.655362] nouveau  [     DRM][0000:01:00.0] suspending fbcon...
| Aug  8 07:49:16 turtle kernel: [   89.655367] nouveau  [     DRM][0000:01:00.0] suspending display...
| Aug  8 07:49:16 turtle kernel: [   89.696888] nouveau  [     DRM][0000:01:00.0] unpinning framebuffer(s)...
| Aug  8 07:49:16 turtle kernel: [   89.696909] nouveau  [     DRM][0000:01:00.0] evicting buffers...
| Aug  8 07:49:16 turtle kernel: [   89.696913] nouveau  [     DRM][0000:01:00.0] suspending client object trees...
`----

> I guess the the fifo
> code detected a timeout when trying to save the graphics context, I have
> I have other patches in my tree (I'll push them soon, tied up with other
> work atm) that might help here.

Thanks, I'll try them when they are available.

Cheers,
       Sven