On Thu, May 24, 2007 at 01:52:33PM -0700, Luigi Rizzo wrote: L> On Thu, May 24, 2007 at 09:59:41PM +0200, Andre Oppermann wrote: L> > Gleb Smirnoff wrote: L> > > Yesterday two of our web servers running 6.2-PRERELEASE experienced L> > > problems with accepting TCP connections. A small percentage of SYN L> > > packets was ignored. The packets were seen in tcpdump output, but not L> > > processed by TCP stack. No accept queue overflows occured, according L> > > to 'netstat -sp tcp'. L> > > L> > > Failing to find any clue I have rebooted one of them, and after L> > > reboot is started to work flawlessly. Reboot also helped the second L> > > one. Both servers were booted at the same time - 124 days ago. L> > > L> > > Any ideas, any similar reports? L> > L> > ticks is a 32 bit signed integer and TCP isn't really aware of it L> > going negative and rolling over. This is something I'm working on L> > fixing in -current. Haven't analyzed all potential cases there yet. L> L> by chance, is your 'hz' set to 200 ? L> this might explay something, because 2^31/(86400*200) = 124.275
Nope. hz is default - 1000. -- Totus tuus, Glebius. GLEBIUS-RIPN GLEB-RIPE _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "[EMAIL PROTECTED]"
