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SubjectRe: Fw: 2.5.61 oops running SDET
Martin J. Bligh wrote:

>Well, I did the stupid safe thing, and it hangs the box once we get up to
>a load of 32 with SDET. Below is what I did, the only other issue I can
>see in here is that task_mem takes mm->mmap_sem which is now nested inside
>the task_lock inside tasklist_lock ... but I can't see anywhere that's a
>problem from a quick search
task_lock is actually &spin_lock(tsk->alloc_lock); mmap_sem is a
semaphore. Nesting means deadlock.


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