Subject: Re: no buffer space available
To: None <email@example.com>
From: None <firstname.lastname@example.org>
Date: 06/30/2001 13:56:30
> maybe increasing the value of kern.mbuf.nmbclusters with sysctl -w might
> fix the problem. Or you might want to recompile your kernel with a higher
> value for NMBCLUSTERS.
i have 256 NMBCLUSTERS. isn't it enough?
> On Sun, Jun 24, 2001 at 01:15:58PM -0400, Kevin P. Neal wrote:
> > On Sat, Jun 23, 2001 at 08:30:59PM -0400, Brad Spencer wrote:
> > > One potential reason for this is an overloaded ppp link. This plagued me
> > > when a 28.8 async. ppp link was my only connection to the Net.
> > >
> > > What I think occurs is that there is so much backed up traffic waiting to
> > > go out the pipe that the system runs out of space. This effects UDP and
> > > ICMP traffic the most.
> > Which is totally unacceptable.
> > It seems unreasonable for the link to become so backed up that nothing
> > can ever be sent out of it again (until it is bounced).
> > Why can't it drop data with 'no buffer space' errors while it tries to
> > send what it does currently have in buffers?
> > --
> > "A method for inducing cats to exercise consists of directing a beam of
> > invisible light produced by a hand-held laser apparatus onto the floor ...
> > in the vicinity of the cat, then moving the laser ... in an irregular way
> > fascinating to cats,..." -- US patent 5443036, "Method of exercising a cat"