What is the exact PCI ID of your adapter (pciconf -l)? How is it configured, on what kind of hardware, how many queues does it have, etc, etc?
Jack On Fri, Aug 6, 2010 at 10:03 AM, Alexander Fiveg <pebu...@googlemail.com>wrote: > Hello, > > the following problem I've faced while working with 82599-controller (ixgbe > driver): > > - During packet capturing, after the number of received packets exceeds all > allocated descriptors (ixgbe_rxd * ixgbe_num_queues), the next new incoming > packets will be sometimes DMA'ed into the RAM incorrectly. > > Output from my tcpdump session: > > % tcpdump -i ix1 > ... > 15:36:54.970343 IP 10.0.0.2.discard > 12.0.0.160.2200: UDP, length 58 > 15:36:55.070357 IP 10.0.0.2.discard > 12.0.0.161.2200: UDP, length 58 > 15:36:55.170373 c7:49:54:a8:00:0c (oui Unknown) > 35:c5:66:d7:df:e8 (oui > Unknown), ethertype Unknown (0xd53b), length 100: > 0x0000: 4d98 ed85 7537 3b6b 3b8f 7102 4b1c 2cd4 M...u7;k;.q.K.,. > 0x0010: 41a8 2f3d 4faa fc8a a039 0fe2 5960 fad5 A./=O....9..Y`.. > 0x0020: c8b0 964b b0e0 2213 6aa2 330c ef93 80a9 ...K..".j.3..... > 0x0030: 6ac8 071b a9bd 0d51 ecca 94ba ac9c 873b j......Q.......; > 0x0040: a83f aeb0 20f4 cfd9 d1fa 93f3 795c 7d20 .?..........y\}. > 0x0050: 2993 ). > 15:36:55.270388 IP 10.0.0.2.discard > 12.0.0.163.2200: UDP, length 58 > ... > > For packets generating I am using Linux kernel packet generator. The > receive- > and send-interfaces are connected directly (without any hops in the > middle). > By the each new generated packet the destination-IP-address will be > incremented, so I can proof the correctness of received traffic. This > error > appears in both -STABLE and -CURRENT > > I guess it is not a software bug and I would like to check out whether the > controller is in order. > > Are there any test setups for 8259x controllers that I could use ? > > Thanks, > Alex > _______________________________________________ > 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" > _______________________________________________ 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"
