I've seen this behavior in the past.  My impression is that it is load related.
If you do a grep on ETIMEDOUT in /usr/src/sys/netinet, you will see where
the tcp stack may return this message.  There may be some sysctl params relating
to timers that you can muck with.

Rick

Graham Barr wrote:

> On Thu, Jun 07, 2001 at 10:33:50AM -0700, Matt Dillon wrote:
> >
> > :
> > :Thanks, I will try setting errno, but I don't think it is signals.
> > :I have been running truss on the process. The relevant part is
> > :
> > :gettimeofday(0xbfbffa54,0x0)                     = 0 (0x0)
> > :select(0x50,0x93f8c90,0x0,0x0,0xbfbffa74)        = 3 (0x3)
> > :read(0x16,0xa2da000,0x8000)                      ERR#60 'Operation timed out'
> > :
> > :In fact there are no signals in the whole truss output
> > :
> > :Graham.
> >
> >     What type of descriptor is the read being performed on?  A TCP
> >     connection or, say, a reading a file over NFS?
>
> It is a TCP/IP connection.
>
> Graham.
>
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