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Message-ID: <4D0E2E52.3090802@itcare.pl> Date: Sun, 19 Dec 2010 17:09:54 +0100 From: Paweł Staszewski <pstaszewski@...are.pl> To: Eric Dumazet <eric.dumazet@...il.com> CC: Linux Network Development list <netdev@...r.kernel.org> Subject: Re: Kernel panic eth2 mirred redirect to ifb0 W dniu 2010-12-19 16:43, Eric Dumazet pisze: > Le dimanche 19 décembre 2010 à 12:35 +0100, Paweł Staszewski a écrit : >> Hi all >> >> I have panic with kernel 2.6.37-rc6-git2 when use iproute2 >> mirred/redirect action >> >> >> host1 (kernel 2.6.36.2) >> netperf client -> eth3 (82598EB 10-Gigabit AT CX4) - directly connected >> to eth2 of host2 >> ethtool -k eth3 >> Offload parameters for eth3: >> rx-checksumming: on >> tx-checksumming: on >> scatter-gather: on >> tcp-segmentation-offload: on >> udp-fragmentation-offload: off >> generic-segmentation-offload: on >> generic-receive-offload: on >> large-receive-offload: off >> rx-vlan-offload: off >> tx-vlan-offload: off >> ntuple-filters: off >> receive-hashing: off >> >> ethtool -i eth3 >> driver: ixgbe >> version: 2.0.84-k2 >> firmware-version: 1.12-2 >> bus-info: 0000:03:00.1 >> >> >> host2 (kernel-2.6.37-rc6-git2) >> netserver -> eth2 (82598EB 10-Gigabit AT CX4) - directly connected to >> eth3 of host1 >> >> ethtool -k eth2 >> Offload parameters for eth2: >> rx-checksumming: on >> tx-checksumming: on >> scatter-gather: on >> tcp-segmentation-offload: on >> udp-fragmentation-offload: off >> generic-segmentation-offload: on >> generic-receive-offload: on >> large-receive-offload: off >> rx-vlan-offload: on >> tx-vlan-offload: on >> ntuple-filters: off >> receive-hashing: off >> >> ethtool -i eth2 >> driver: ixgbe >> version: 2.0.84-k2 >> firmware-version: 1.12-2 >> bus-info: 0000:03:00.0 >> >> >> >> Normally without ifb and redirect netperf show: >> TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 192.168.0.2 >> (192.168.0.2) port 0 AF_INET >> Recv Send Send >> Socket Socket Message Elapsed >> Size Size Size Time Throughput >> bytes bytes bytes secs. 10^6bits/sec >> >> 87380 16384 16384 10.00 9042.14 >> >> >> Steps to reproduce panic: >> ip link set dev ifb0 up >> >> tc qdisc add dev eth2 ingress >> >> tc filter add dev eth2 parent ffff: protocol ip prio 10 u32 \ >> match ip src 0.0.0.0/0 flowid 1:1 \ >> action mirred egress redirect dev ifb0 >> >> >> After this when i start netperf on host1 I have panic (screenshot in >> attached image). > Unfortunately, we miss the start of panic messages. Could you try to get > them ? > In attached images Regards Pawel > > -- > To unsubscribe from this list: send the line "unsubscribe netdev" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > > Download attachment "kpanic-part1.JPG" of type "image/jpeg" (107573 bytes) Download attachment "kpanic-part2.JPG" of type "image/jpeg" (90615 bytes)
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