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SubjectRe: [patch] Real-Time Preemption, -RT-2.6.9-rc4-mm1-U5
Ingo Molnar wrote:
> * K.R. Foley <kr@cybsft.com> wrote:
>
>
>>Ingo Molnar wrote:
>>
>>>i have released the -U5 Real-Time Preemption patch:
>>>
>>> http://redhat.com/~mingo/voluntary-preempt/voluntary-preempt-2.6.9-rc4-mm1-U5
>>>
>>
>>Ingo,
>>
>>*** Warning: "__you_cannot_kmalloc_that_much"
>>[drivers/scsi/aacraid/aacraid.ko] undefined!
>>
>>This just appeared in U5. I was trying to track this one down just
>>because I saw it, even though I don't need aacraid. I am having a hell
>>of a time tracking down what changed that would cause this, but I
>>figure you will know exactly what changed that would cause it. :)
>
>
> i suspect this is due to the size increase of semaphores if
> CONFIG_RWSEM_DEADLOCK_DETECT is enabled. Try lowering
> CONFIG_RWSEM_MAX_OWNERS from the default 64 to 32, does that help?
>
> Ingo
>
Yes. That does help.

kr
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