[Nouveau] [PATCH] drm/nouveau/kms: Implement KDB debug hooks for nouveau KMS.

[Jason Wessel]

On 09/01/2010 04:56 AM, Maxim Levitsky wrote:
> On Thu, 2010-08-19 at 13:55 -0400, Chris Ball wrote: 
>   
>> Hi,
>>
>> Here's a patch to add support for KMS debugging to Nouveau, along the
>> style of the previous patches for Intel¹ and Radeon².  I'm only able
>> to test on nv50 here, so a test on nv04 would be much appreciated,
>> and I've published instructions on how to test here³.  Thanks!
>>
>> - Chris.
>>     
>
> Hi,
>
> I just tried that patch, but unfortunately nether with nor without it
> kdb seems not to work.
> It could be id10t error from my side, but I did test the kdb in the past
> with few KMS patches, and it seemed to work.
>
> Now I can't even get its prompt on the console.
>
> This is what I do:
>
> echo kbd | sudo tee /sys/module/kgdboc/parameters/kgdboc
> (also tried booting with kgdboc=kbd)
>   

Try changing it to kgdboc=kms,kbd  or the "echo kms,kbd"

When you use only the kbd, the kms feature is not activated.

Jason.