Re: scheduling problem?

[Mike Galbraith]

On Wed, 3 Jan 2001, Daniel Phillips wrote:

> Mike Galbraith wrote:
> > 
> > On Wed, 3 Jan 2001, Daniel Phillips wrote:
> > 
> > > Could you try this patch just to see what happens?  It uses semaphores
> > > for the bdflush synchronization instead of banging directly on the task
> > > wait queues.  It's supposed to be a drop-in replacement for the bdflush
> > > wakeup/waitfor mechanism, but who knows, it may have subtly different
> > > behavious in your case.
> > 
> > Semaphore timed out during boot, leaving bdflush as zombie.
> 
> Hmm, how could that happen?  I'm booted and running with that patch
> right now and have beaten on it extensively - it sounds like something
> else is broken.  Or maybe we've already established that - let me read
> the thread again.
> 
> Which semaphore timed out, bdflush_request or bdflush_waiter?

I didn't watch closely (running virgin prerelease).  I can run it again
if you think it's important.

	-Mike