cc: e1000-devel On Wed, 23 Nov 2011 16:30:34 -0800 Paweł Staszewski <pstaszew...@itcare.pl> wrote: > After upgrade from 2.6.38.2 to 3.1.2 i have this im dmesg: > [ 600.266497] WARNING: at net/core/dev.c:1904 skb_gso_segment+0x146/0x298() > [ 600.266500] Hardware name: X8DTU-6+ > [ 600.266503] 802.1Q VLAN Support: caps=(0x20115833, 0x0) len=2816 > data_len=2776 ip_summed=1
it seems no-one ever replied, can you give us more details about the traffic and network configuration that reproduces the panic? what does the output of 'ip address' show? vconfig? it seems as if GRO is pushing a packet into the stack to be forwarded that gso is mad about due to checksum != CHECKSUM_PARTIAL, esp when stacked upon macvlan and/or vlan: see dev.c:1904 in 3.1 kernel > [ 600.266506] Modules linked in: macvlan > [ 600.266511] Pid: 0, comm: kworker/0:1 Not tainted 3.1.2 #1 > [ 600.266513] Call Trace: > [ 600.266515] <IRQ> [<ffffffff8103449c>] warn_slowpath_common+0x80/0x98 > [ 600.266527] [<ffffffff81034548>] warn_slowpath_fmt+0x41/0x43 > [ 600.266530] [<ffffffff813c838f>] skb_gso_segment+0x146/0x298 > [ 600.266535] [<ffffffff8103994e>] ? local_bh_enable+0xd/0xf > [ 600.266540] [<ffffffff813cc646>] dev_hard_start_xmit+0x35a/0x57d > [ 600.266544] [<ffffffff8103994e>] ? local_bh_enable+0xd/0xf > [ 600.266548] [<ffffffff813cccb2>] dev_queue_xmit+0x449/0x4ef > [ 600.266554] [<ffffffff813ffc4d>] ip_finish_output2+0x1c4/0x201 > [ 600.266560] [<ffffffff813ffd1c>] ip_finish_output+0x92/0x97 > [ 600.266562] [<ffffffff813ffe7c>] T.1037+0x4f/0x56 > [ 600.266565] [<ffffffff81400005>] ip_output+0x58/0x5b > [ 600.266567] [<ffffffff813fc4f0>] ip_forward_finish+0x44/0x48 > [ 600.266569] [<ffffffff813fc7f4>] ip_forward+0x300/0x36c > [ 600.266572] [<ffffffff813fb144>] ip_rcv_finish+0x2a4/0x2ce > [ 600.266575] [<ffffffff813faea0>] ? inet_del_protocol+0x37/0x37 > [ 600.266577] [<ffffffff813fb431>] T.935+0x4c/0x53 > [ 600.266579] [<ffffffff813fb6bc>] ip_rcv+0x237/0x263 > [ 600.266582] [<ffffffff813cb76b>] __netif_receive_skb+0x41d/0x44f > [ 600.266584] [<ffffffff813cb891>] process_backlog+0xf4/0x1d3 > [ 600.266587] [<ffffffff813cbfee>] net_rx_action+0x74/0x1cb > [ 600.266589] [<ffffffff81039a74>] __do_softirq+0xc8/0x1a4 > [ 600.266591] [<ffffffff81039b31>] ? __do_softirq+0x185/0x1a4 > [ 600.266595] [<ffffffff814a8bec>] call_softirq+0x1c/0x30 > [ 600.266599] [<ffffffff8100385d>] do_softirq+0x41/0x7e > [ 600.266601] [<ffffffff8103987b>] irq_exit+0x44/0x74 > [ 600.266603] [<ffffffff81003182>] do_IRQ+0x98/0xaf > [ 600.266606] [<ffffffff814a0f2e>] common_interrupt+0x6e/0x6e > [ 600.266608] <EOI> [<ffffffff8100887e>] ? mwait_idle+0x7e/0xa4 > [ 600.266613] [<ffffffff81008836>] ? mwait_idle+0x36/0xa4 > [ 600.266615] [<ffffffff81001da7>] cpu_idle+0x5f/0x91 > [ 600.266620] [<ffffffff81acca55>] start_secondary+0x192/0x196 > [ 600.266622] ---[ end trace 15512840060b2da9 ]--- > > Network controller: Intel Corporation 82598EB 10-Gigabit AT CX4 Network > Connection (rev 01) > ethtool -i eth4 > driver: ixgbe > version: 3.4.8-k > firmware-version: 1.12-2 > bus-info: 0000:04:00.0 > > ethtool -k eth4 > Offload parameters for eth4: > 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 > ntuple-filters: off > receive-hashing: on ------------------------------------------------------------------------------ All the data continuously generated in your IT infrastructure contains a definitive record of customers, application performance, security threats, fraudulent activity, and more. Splunk takes this data and makes sense of it. IT sense. And common sense. http://p.sf.net/sfu/splunk-novd2d _______________________________________________ E1000-devel mailing list E1000-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired
