Since updating to F9, I see lots of these... WARNING: at net/core/dev.c:1505 skb_gso_segment+0x6e/0x153() (Tainted: G W) Modules linked in: nfs nfsd lockd nfs_acl auth_rpcgss exportfs bnep autofs4 w83627hf eeprom w83781d hwmon_vid hwmon sunrpc bridge stp dummy ipv6 iptable_nat ip_tables x_tables dm_mirror dm_log dm_mod snd_usb_lib snd_rawmidi snd_hwdep snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_pcm snd_timer snd_page_alloc snd_mixer_oss snd soundcore rfcomm l2cap bluetooth nf_nat_irc nf_conntrack_irc nf_nat_pptp nf_conntrack_pptp nf_conntrack_proto_gre nf_nat_proto_gre nf_nat_ftp nf_nat nf_conntrack_ipv4 nf_conntrack_ftp nf_conntrack b1pci b1dma b1 3c59x sr_mod mii kernelcapi skge pcspkr cdrom amd_rng i2c_amd756 i2c_core sg ata_generic pata_acpi pata_amd pata_sil680 libata sd_mod scsi_mod crc_t10dif raid456 async_xor async_memcpy async_tx xor raid1 ext3 jbd mbcache [last unloaded: crc_ccitt] Pid: 3262, comm: ssh Tainted: G W 2.6.27.9-73.fc9.i686 #1 [<c0643304>] ? printk+0xf/0x13 [<c042b1a8>] warn_on_slowpath+0x47/0x70 [<f8913d7e>] ? skge_xmit_frame+0x19c/0x2aa [skge] [<c05d5f2b>] ? dev_hard_start_xmit+0x1c3/0x23c [<c0644f61>] ? _spin_lock+0x8/0xb [<c05e47e4>] ? __qdisc_run+0xf1/0x1c5 [<c043c328>] ? add_wait_queue+0x2b/0x30 [<c043c34f>] ? remove_wait_queue+0x22/0x27 [<c049a21d>] ? poll_freewait+0x2f/0x78 [<c05d5c83>] skb_gso_segment+0x6e/0x153 [<c05d5f00>] dev_hard_start_xmit+0x198/0x23c [<c05d6436>] dev_queue_xmit+0x3ad/0x466 [<f8af7675>] ip6_output_finish+0x83/0xdb [ipv6] [<f8af946b>] ip6_output2+0x1d2/0x1da [ipv6] [<f8af9ea6>] ip6_output+0xa33/0xa41 [ipv6] [<c064523c>] ? _spin_lock_irqsave+0x29/0x30 [<c061de70>] ? bictcp_cong_avoid+0x13/0x2c7 [<c0433d56>] ? mod_timer+0x30/0x34 [<f8af9083>] ip6_xmit+0x2c6/0x378 [ipv6] [<f8b164ac>] inet6_csk_xmit+0x1b9/0x1c7 [ipv6] [<f8b1130b>] ? tcp_v6_send_check+0x39/0x8f [ipv6] [<c0603224>] tcp_transmit_skb+0x584/0x5bb [<c06055a3>] __tcp_push_pending_frames+0x651/0x728 [<c05f99b1>] tcp_push+0x8b/0x91 [<c05fb948>] tcp_sendmsg+0x61c/0x6c6 [<c05cb3c9>] __sock_sendmsg+0x45/0x4e [<c05cb49d>] sock_aio_write+0xcb/0xd8 [<c048fb59>] do_sync_write+0xab/0xe9 [<c043c166>] ? autoremove_wake_function+0x0/0x33 [<c04dcc46>] ? security_file_permission+0xf/0x11 [<c0490359>] vfs_write+0x95/0xdf [<c049043c>] sys_write+0x3b/0x60 [<c0403cca>] syscall_call+0x7/0xb ======================= ---[ end trace 50a4104773249142 ]---
That's: if (WARN_ON(skb->ip_summed != CHECKSUM_PARTIAL)) { Looks like it's still not fixed in 2.6.29-rc. This adds diagnostics to help track it down: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff_plain;h=67fd1a731ff1a990d4da7689909317756e50cb4d
added debug patch to cvs
May be relevant that the offending device is in a bridge. Will be home next week and can try to debug further.
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