Subject: Re: kern/12187: nfs_timer: ignoring error 55- what's it for and why
To: Charles M. Hannum <email@example.com>
From: Matthew Jacob <firstname.lastname@example.org>
Date: 04/08/2001 11:22:53
> On Sun, Apr 08, 2001 at 10:50:13AM -0700, Matthew Jacob wrote:
> > On Sun, 8 Apr 2001, Jason R Thorpe wrote:
> > > On Sun, Apr 08, 2001 at 09:29:59AM -0700, Matthew Jacob wrote:
> > >
> > > > That's possible. You'd think you'd get a diagnostic of out of MBCLUSTERs
> > > > first though.
> > >
> > > Not necessarily -- ENOBUFS can also mean that the interface's queue
> > > is full.
> > If there was an MBUF leak, I'd excpet the 'out of NMBCLUSTERs' error. If the
> > if_queue is full, yes, you might get this, but I find it hard to believe that
> > this is just an NFS related issue.
> I wonder if this is caused by large packets and congestion, causing a
> fragment to get dropped and retranmissions to fill up the buffer...
Shouldn't be any congestion- but this is a good theory. I'll see if some
network sniffing can track it. It sure is annoying.