Date: Thu, 21 May 2015 23:09:37 +0000 From: Eric Joyner <erj@freebsd.org> To: Guy Helmer <guy.helmer@gmail.com>, Christopher Forgeron <csforgeron@gmail.com> Cc: FreeBSD Net <freebsd-net@freebsd.org> Subject: Re: FreeBSD 9.3 - Intel X520-SR2 stops passing packets Message-ID: <CA%2Bb0zg_0gvmHbVjLyBhA-yiX83ecbDLZz2nmqSLbDwVuXOURDQ@mail.gmail.com> In-Reply-To: <BD7871A4-69C2-49EB-89D4-9EB741E2EB2B@gmail.com> References: <C8B78CF4-184C-4BFE-B848-37A91A3B696B@gmail.com> <CAB2_NwBmpHZZ03wht55=kVHdGk4mVKpFCcmcT=sJ12y7OJSXtA@mail.gmail.com> <BD7871A4-69C2-49EB-89D4-9EB741E2EB2B@gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
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. On Thu, May 21, 2015 at 9:10 AM Guy Helmer <guy.helmer@gmail.com> wrote: > > > On May 21, 2015, at 8:52 AM, Christopher Forgeron <csforgeron@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.helmer@gmail.com > <mailto:guy.helmer@gmail.com>> wrote: > > I=E2=80=99ve noticed that there have been reports of problems with Inte= l > X520-SR2 network interfaces stopping working. I think I=E2=80=99m seeing = a similar > issue where the 10Gb interfaces stop receiving traffic (they=E2=80=99re b= eing 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 restor= es > activity. I=E2=80=99ve changed hw.intr_storm_threshold=3D8000 but I could= n=E2=80=99t tell if > the interrupt storm threshold had been triggered at the time the interfac= es > stopped passing traffic. > > It seems to run from hours to days without problems. > > I don=E2=80=99t have the output of =E2=80=9Cnetstat -m=E2=80=9D available= , but it did not indicate > any mbuf or cluster allocation failures. No jumbo clusters (4k, 9k, or 16= k) > were allocated. > > MTU is 1500. TSO is =E2=80=9Con=E2=80=9D but would seem to be irrelevant = =E2=80=94 no packets are > transmitted out of these interfaces (verified using =E2=80=9Cnetstat -i= =E2=80=9D). > > Thanks, > Guy > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org"
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CA%2Bb0zg_0gvmHbVjLyBhA-yiX83ecbDLZz2nmqSLbDwVuXOURDQ>