Re: timing out on a semaphore

From: Tim Waugh (
Date: Tue Feb 27 2001 - 09:39:42 EST

On Sun, Feb 25, 2001 at 11:10:39PM +0000, Andrew Morton wrote:

> I think there might be a bogon in __down_interruptible's
> handling of the semaphore state in this case. I remember
> spotting something a few months back but I can't immediately
> remember what it was :(
> I'd suggest you slot a
> sema_init(&port->physport->ieee1284.irq, 1);
> into parport_wait_event() prior to adding the timer. If that
> fixes it I'll go back through my patchpile, see if I can
> resurrect that grey cell.

I haven't been able to confirm that it works around it (can't repeat
the problem here), but what would you say if I said it did? ;-)


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