On Wed, 7 Nov 2007 19:38:43 +0100 Marek Kierdelewicz <[EMAIL PROTECTED]> wrote:
> >What is the test input that causes the crash?? > > Test box is treated with mirrored traffic that is routed by production > linux router (with non-smp kernel). It's usual traffic generated by > broadband clients. Some of the characteristics: > > bandwidth used: ~40/40 Mbit (up/down) > pps: ~15k > > number of clients: ~550 > > dump of packet sizes: > Packet size | Count > 1 to 75: 186501 > 76 to 150: 14145 > 151 to 225: 3285 > 226 to 300: 2088 > 301 to 375: 3632 > 376 to 450: 2097 > 451 to 525: 1513 > 526 to 600: 3069 > 601 to 675: 20081 > 676 to 750: 1294 > 751 to 825: 1189 > 826 to 900: 885 > 901 to 975: 2207 > 976 to 1050: 1333 > 1051 to 1125: 1192 > 1201 to 1275: 3036 > 1276 to 1350: 3709 > 1351 to 1425: 3453 > 1426 to 1500+: 185318 > > protocol breakdown: > most of the traffic is IPv4, some UDP and a little bit of ICMP > > Don't know if it's important, but box is connected to switch by a > 802.1q trunk. Each of vlan interfaces has egress shaping on it + > dedicated ifb device attached to ingress qdisc and ingress shaping on > ifb device. > > Is any additional information needed? Could you get 'ethtool -S' output after it hangs. I think there is a problem with fifo overflow. I can cause board to latch if enough traffic arrives on both ports. -- Stephen Hemminger <[EMAIL PROTECTED]> - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
