On Wed, Nov 10, 2010 at 04:21:12AM -0800, Kirill Yelizarov wrote: > Hi, > > All my em cards running 8.1 stable don't reply to icmp echo requests packets > larger than 1472 bytes. > > On stable 7.2 the same hardware works as expected: > # ping -s 1500 192.168.64.99 > PING 192.168.64.99 (192.168.64.99): 1500 data bytes > 1508 bytes from 192.168.64.99: icmp_seq=0 ttl=63 time=1.249 ms > 1508 bytes from 192.168.64.99: icmp_seq=1 ttl=63 time=1.158 ms > > Here is the dump on em interface > 15:06:31.452043 IP 192.168.66.65 > *****: ICMP echo request, id 28729, seq 5, > length 1480 > 15:06:31.452047 IP 192.168.66.65 > ****: icmp > 15:06:31.452069 IP **** > 192.168.66.65: ICMP echo reply, id 28729, seq 5, > length 1480 > 15:06:31.452071 IP *** > 192.168.66.65: icmp > > Same ping from same source (it's a 8.1 stable with fxp interface) to em card > running 8.1 stable > #pciconf -lv > e...@pci0:3:4:0: class=0x020000 card=0x10798086 chip=0x10798086 rev=0x03 > hdr=0x00 > vendor = 'Intel Corporation' > device = 'Dual Port Gigabit Ethernet Controller (82546EB)' > class = network > subclass = ethernet > > # ping -s 1472 192.168.64.200 > PING 192.168.64.200 (192.168.64.200): 1472 data bytes > 1480 bytes from 192.168.64.200: icmp_seq=0 ttl=63 time=0.848 ms > ^C > > # ping -s 1473 192.168.64.200 > PING 192.168.64.200 (192.168.64.200): 1473 data bytes > ^C > --- 192.168.64.200 ping statistics --- > 4 packets transmitted, 0 packets received, 100.0% packet loss > > And here is it's dump on em card > 5:11:15.191496 IP 192.168.66.65 > *****: ICMP echo request, id 33593, seq 0, > length 1480 > 15:11:15.191534 IP 192.168.66.65 > *****: icmp > 15:11:16.192119 IP 192.168.66.65 > *****: ICMP echo request, id 33593, seq 1, > length 1480 > 15:11:16.192156 IP 192.168.66.65 > ******: icmp > > igb cards on 8.1 stable are not affected
Please provide uname -a output from the machine with the emX devices, as well as relevant emX information from "dmesg" (e.g. driver version). "sysctl dev.em.X" might also be helpful. Thanks. -- | Jeremy Chadwick j...@parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB | _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"
