Re: [patch] Real-Time Preemption, -RT-2.6.9-rc4-mm1-U8

[Thomas Gleixner]

On Thu, 2004-10-21 at 11:12, Rui Nuno Capela wrote:
>  [<e018e139>] queuecommand+0x70/0x7c [usb_storage] (24)

As I already pointed out, this is a problem due to up(sema) in
queuecommand. That's one of the semaphore abuse points, which needs to
be fixed. 

The problem is that semaphores are hold by Process A and released by
Process B, which makes Ingo's checks trigger

tglx


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