"Steven M. Bellovin" <smb@cs.columbia.edu> writes:
>> As of Jan, something seems to have broken BUFQ_READPRIO -- unclear who
>> did it or why, but it is very clear to me that it got broken. The
>> old symptoms of lots of disk i/o locking out userland processes trying
>> to read something have returned.
>> 
> I do indeed have BUFQ_READPRIO defined, but I'm far from convinced that
> that's the problem -- this is happening without any disk-intensive
> activity going on in the background.  Sure, there's always something
> some daemon is doing, but I've tried shutting down other things.

I've been looking very carefully at my disk light when the hangs
happen, and there is usually disk i/o in progress when the hangs
occur. Are you sure your disk light on your T41 isn't going off at the
same time at all?

Perry