> On May 21, 2015, at 6:09 PM, Eric Joyner <e...@freebsd.org> wrote: > > Are there any log messages printed out by the driver? The sysctls don't > really look out of the ordinary, other than the number of sub-64 byte packets.
Not that I could tell — grep of /var/log/messages and the text from the rotated messages.*.gz logs yielded nothing. Guy > > On Thu, May 21, 2015 at 9:10 AM Guy Helmer <guy.hel...@gmail.com > <mailto:guy.hel...@gmail.com>> wrote: > > > On May 21, 2015, at 8:52 AM, Christopher Forgeron <csforge...@gmail.com > > <mailto:csforge...@gmail.com>> wrote: > > > > A few things: > > > > 1) How long before you have this behaviour? > > > > 2) What's the output of 'netstat -m' when you have the problem? > > > > 3) What is your MTU set to, and do you have TSO on or off? > > > > On Thu, May 21, 2015 at 10:33 AM, Guy Helmer <guy.hel...@gmail.com > > <mailto:guy.hel...@gmail.com> <mailto:guy.hel...@gmail.com > > <mailto:guy.hel...@gmail.com>>> wrote: > > I’ve noticed that there have been reports of problems with Intel X520-SR2 > > network interfaces stopping working. I think I’m seeing a similar issue > > where the 10Gb interfaces stop receiving traffic (they’re being used in > > promiscuous mode to sniff traffic from a tap). ifconfig shows the > > interfaces are still active and the links are OK. ifconfig down/up restores > > activity. I’ve changed hw.intr_storm_threshold=8000 but I couldn’t tell if > > the interrupt storm threshold had been triggered at the time the interfaces > > stopped passing traffic. > > It seems to run from hours to days without problems. > > I don’t have the output of “netstat -m” available, but it did not indicate > any mbuf or cluster allocation failures. No jumbo clusters (4k, 9k, or 16k) > were allocated. > > MTU is 1500. TSO is “on” but would seem to be irrelevant — no packets are > transmitted out of these interfaces (verified using “netstat -i”). > > Thanks, > Guy > _______________________________________________ > freebsd-net@freebsd.org <mailto:freebsd-net@freebsd.org> mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > <http://lists.freebsd.org/mailman/listinfo/freebsd-net> > To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org > <mailto:freebsd-net-unsubscr...@freebsd.org>" _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"