Re: MPTSAS problems in 2.6.26-rc2-mm1

[Balbir Singh <balbir@linux.vnet.ibm.com>]

James Bottomley wrote:
> On Wed, 2008-05-28 at 11:45 +0200, Peter Zijlstra wrote:
>> On Wed, 2008-05-28 at 15:11 +0530, Balbir Singh wrote:
>>> I have 2.6.26-rc2-mm1 with Rik's splitvm patches. While booting the kernel, I
>>> ran into the following. I searched my email quickly to see that no one else has
>>> reported this problem. Lockdep seems to be complaining about the same lock being
>>> held at the same location (the message is a bit confusing to me).
>> looks like device_add() recursing - most likely with a different device
>> though.
> 
> This is another instance of a problem being caused by semaphore to mutex
> conversion in struct class;
> 
> There's another thread on this here:
> 
> http://marc.info/?t=121074904600001

Thanks for pointer, it does indeed look like a variant of the same problem

-- 
	Warm Regards,
	Balbir Singh
	Linux Technology Center
	IBM, ISTL