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Date: Sat, 11 Oct 2008 19:20:03 +0200
From: Bernhard Schmidt <berni@...kenwald.de>
To: netdev@...r.kernel.org
Subject: WARNING (skb_gso_segment) with tg3+bridge in 2.6.27
Hello,
I'm getting the following WARNING in my log pretty frequently on my
system (Debian Lenny on a DL320G5) when connectivity is provided with a
bridge interface with eth0 (tg3) attached. System feels a bit sluggish
as well. I did not experience any problems when using eth0 directly.
Happened with both 2.6.26-1-amd64 from Debian and a vanilla 2.6.27, I'm
attaching dmesg and config.
The same warning has been reported in February but received no response
http://thread.gmane.org/gmane.linux.network/85727
[ 289.588669] ------------[ cut here ]------------
[ 289.588673] WARNING: at net/core/dev.c:1505 skb_gso_segment+0x82/0x1a7()
if (WARN_ON(skb->ip_summed != CHECKSUM_PARTIAL)) {
[ 289.588675] Modules linked in: coretemp kvm_intel kvm video output ac battery ipv6 bridge stp dm_crypt crypto_blkcipher loop snd_pcm snd_timer snd soundcore snd_page_alloc
ipmi_si iTCO_wdt shpchp hpilo ipmi_msghandler hpwdt pci_hotplug pcspkr serio_raw psmouse container button evdev ext3 jbd mbcache dm_mirror dm_log dm_snapshot dm_mod raid1 md
_mod sg sr_mod sd_mod cdrom usbhid hid ff_memless ata_piix ata_generic libata scsi_mod dock ide_pci_generic ide_core ehci_hcd tg3 uhci_hcd libphy thermal processor fan therma
l_sys
[ 289.588717] Pid: 0, comm: swapper Tainted: G W 2.6.27 #1
[ 289.588719]
[ 289.588720] Call Trace:
[ 289.588721] <IRQ> [<ffffffff80238aa5>] warn_on_slowpath+0x51/0x77
[ 289.588734] [<ffffffffa003b245>] tg3_start_xmit_dma_bug+0x85e/0x920 [tg3]
[ 289.588738] [<ffffffff803eb672>] nf_iterate+0x41/0x7d
[ 289.588741] [<ffffffff80212a58>] nommu_map_single+0x0/0x7c
[ 289.588748] [<ffffffffa003b245>] tg3_start_xmit_dma_bug+0x85e/0x920 [tg3]
[ 289.588751] [<ffffffff80443f34>] _spin_lock+0x5/0x7
[ 289.588754] [<ffffffff803d0c9e>] skb_gso_segment+0x82/0x1a7
[ 289.588757] [<ffffffff803d0f46>] dev_hard_start_xmit+0x183/0x244
[ 289.588760] [<ffffffff803d14ab>] dev_queue_xmit+0x3aa/0x462
[ 289.588778] [<ffffffffa024ca8c>] ip6_output+0xce7/0xcff [ipv6]
[ 289.588785] [<ffffffffa023ade0>] br_dev_queue_push_xmit+0x75/0x79 [bridge]
[ 289.588792] [<ffffffffa023a2fe>] br_dev_xmit+0x66/0x7c [bridge]
[ 289.588795] [<ffffffff803d1535>] dev_queue_xmit+0x434/0x462
[ 289.588811] [<ffffffffa024ca8c>] ip6_output+0xce7/0xcff [ipv6]
[ 289.588827] [<ffffffffa024b8b4>] ip6_xmit+0x35c/0x439 [ipv6]
[ 289.588848] [<ffffffffa026d303>] inet6_csk_xmit+0x223/0x236 [ipv6]
[ 289.588850] [<ffffffff80443e8e>] _spin_lock_irqsave+0x21/0x29
[ 289.588853] [<ffffffff804059ff>] tcp_transmit_skb+0x60f/0x64e
[ 289.588855] [<ffffffff8040831a>] __tcp_push_pending_frames+0x768/0x8ae
[ 289.588857] [<ffffffff80404f40>] tcp_current_mss+0x6f/0xe9
[ 289.588860] [<ffffffff8040313e>] tcp_rcv_established+0x118/0xc52
[ 289.588873] [<ffffffffa02567a5>] ip6_pol_route+0x1cb/0x27f [ipv6]
[ 289.588886] [<ffffffffa0267f29>] tcp_v6_do_rcv+0x315/0x5e2 [ipv6]
[ 289.588899] [<ffffffffa0256866>] ip6_pol_route_input+0x0/0x11 [ipv6]
[ 289.588913] [<ffffffffa0270ea1>] fib6_rule_action+0x79/0x184 [ipv6]
[ 289.588916] [<ffffffff803ca4f6>] skb_checksum+0x4c/0x24e
[ 289.588919] [<ffffffff8042fd64>] __inet6_lookup_established+0xd5/0x231
[ 289.588933] [<ffffffffa026933a>] tcp_v6_rcv+0x44d/0x6da [ipv6]
[ 289.588946] [<ffffffffa024cc7b>] ip6_input_finish+0x1d7/0x367 [ipv6]
[ 289.588951] [<ffffffffa023b8b4>] br_handle_frame_finish+0x110/0x148 [bridge]
[ 289.588957] [<ffffffffa023f730>] br_nf_pre_routing_finish_ipv6+0xcf/0xd5 [bridge]
[ 289.588962] [<ffffffffa023fdca>] br_nf_pre_routing+0x3d1/0x69f [bridge]
[ 289.588964] [<ffffffff803eb672>] nf_iterate+0x41/0x7d
[ 289.588969] [<ffffffffa023b7a4>] br_handle_frame_finish+0x0/0x148 [bridge]
[ 289.588971] [<ffffffff803eb70b>] nf_hook_slow+0x5d/0xbe
[ 289.588976] [<ffffffffa023b7a4>] br_handle_frame_finish+0x0/0x148 [bridge]
[ 289.588981] [<ffffffffa023ba87>] br_handle_frame+0x19b/0x1c0 [bridge]
[ 289.588983] [<ffffffff803d0a13>] netif_receive_skb+0x325/0x3fa
[ 289.588988] [<ffffffffa003c455>] tg3_poll+0x745/0x9f2 [tg3]
[ 289.588990] [<ffffffff80443e25>] __lock_text_start+0x5/0xf
[ 289.588993] [<ffffffff803cf2d9>] net_rx_action+0xb5/0x1eb
[ 289.588996] [<ffffffff8025010c>] getnstimeofday+0x38/0x92
[ 289.588998] [<ffffffff8023d974>] __do_softirq+0x6a/0xda
[ 289.589001] [<ffffffff8020d8ec>] call_softirq+0x1c/0x28
[ 289.589002] [<ffffffff8020f3df>] do_softirq+0x3c/0x81
[ 289.589004] [<ffffffff8023d6a5>] irq_exit+0x3f/0x83
[ 289.589006] [<ffffffff8020f641>] do_IRQ+0xb9/0xd6
[ 289.589008] [<ffffffff8020c67e>] ret_from_intr+0x0/0x29
[ 289.589009] <EOI> [<ffffffff8021355e>] mwait_idle+0x3c/0x46
[ 289.589013] [<ffffffff8020b0dc>] cpu_idle+0x9b/0xe3
[ 289.589014]
[ 289.589015] ---[ end trace 292952be9757bdf8 ]---
Bernhard
View attachment "config-2.6.27" of type "text/plain" (86050 bytes)
View attachment "dmesg-2.6.27" of type "text/plain" (37228 bytes)
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