Bug#645012: 2.6.32-38: breaks DRM/KMS with nouveau X.org driver

[Jonathan Nieder <jrnieder@gmail.com>]

found 645012 linux-2.6/2.6.32-39
quit

(out of order for convenience)
Vagrant Cascadian wrote:

> [drm] nouveau 0000:01:00.0: Allocating FIFO number 1
> [drm] nouveau 0000:01:00.0: nouveau_channel_alloc: initialised FIFO 1
> [drm] nouveau 0000:01:00.0: validate: -12

That means nouveau_gem_pushbuf_validate returned -ENOMEM, which means
ttm_bo_reserve, ttm_bo_wait_unreserved, ttm_bo_wait_cpu, ttm_bo_wait,
or ttm_bo_validate returned -ENOMEM.

> [   58.492010] [drm] nouveau 0000:01:00.0: validate: -12
> [   58.635112] [drm] nouveau 0000:01:00.0: validate: -12
[...]

Thanks much for this.

> didn't get a chance to test 2.6.32-36 or 3.1 series. i'll try and reproduce
> the problem on another box that isn't in production to get more information.

Great --- looking forward to it.

Sincerely,
Jonathan