> 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.
-Mike
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