New: WARNING from skb_gso_segment
Subsystems (2)
A message that is not in the archive (sent off-list or not yet received): [email protected]/
Quoted 75 lines · On Mon, 23 Jul 2007 09:36:08 -0700 (PDT) [email protected] wrote:
http://bugzilla.kernel.org/show_bug.cgi?id=8797
Summary: WARNING from skb_gso_segment Product: Networking Version: 2.5 KernelVersion: 2.6.22.1 Platform: All OS/Version: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: IPV4 AssignedTo: [email protected] ReportedBy: [email protected] CC: [email protected]Most recent kernel where this bug did not occur: 2.6.20.4
Distribution: kernel.org
Hardware Environment: x86, dual-core Xeon, tg3, e1000
Software Environment:
ip_vs, bondingProblem Description: After upgrading kernels from 2.6.20.4 to 2.6.22.1, I started getting tons (27,000+ a day) of the warning messages below resulting from this change:
This is on a system that uses
ip_vsto load balance DNS traffic. Other than these warnings, everything appears to be normal with the load balanced DNS traffic.Jul 17 09:29:40 hlb1 kernel: WARNING: at net/core/dev.c:1286 skb_gso_segment() Jul 17 09:29:40 hlb1 kernel: [<c024d0c8>] skb_gso_segment+0x92/0x184 Jul 17 09:29:40 hlb1 kernel: [<c024d224>] dev_gso_segment+0x10/0x34 Jul 17 09:29:40 hlb1 kernel: [<c024d293>] dev_hard_start_xmit+0x4b/0xb1 Jul 17 09:29:40 hlb1 kernel: [<c024d46b>] dev_queue_xmit+0x172/0x1fd Jul 17 09:29:40 hlb1 kernel: [<c0267828>] ip_output+0x274/0x2ad Jul 17 09:29:40 hlb1 kernel: [<c02673a7>] ip_finish_output+0x0/0x20d Jul 17 09:29:40 hlb1 kernel: [<c0267bbf>] ip_queue_xmit+0x35e/0x3a6 Jul 17 09:29:40 hlb1 kernel: [<e0a2550c>] do_ip_vs_get_ctl+0x6f5/0x704 [ip_vs] Jul 17 09:29:40 hlb1 kernel: [<c0267828>] ip_output+0x274/0x2ad Jul 17 09:29:40 hlb1 kernel: [<e0a2687f>] ip_vs_dr_xmit+0x345/0x37b [ip_vs] Jul 17 09:29:40 hlb1 kernel: [<c02a336a>] _spin_lock_bh+0x8/0x10 Jul 17 09:29:40 hlb1 kernel: [<c0276547>] tcp_cwnd_restart+0x17/0xad Jul 17 09:29:40 hlb1 kernel: [<c0276cbe>] tcp_transmit_skb+0x3e0/0x402 Jul 17 09:29:40 hlb1 kernel: [<c0277846>] tso_fragment+0x15a/0x194 Jul 17 09:29:40 hlb1 kernel: [<c0277f91>] tcp_write_xmit+0x1cc/0x22e Jul 17 09:29:40 hlb1 kernel: [<c0278004>] __tcp_push_pending_frames+0x11/0x60 Jul 17 09:29:40 hlb1 kernel: [<c026e430>] tcp_sendmsg+0x9df/0xa95 Jul 17 09:29:40 hlb1 kernel: [<c0287133>] inet_sendmsg+0x39/0x43 Jul 17 09:29:40 hlb1 kernel: [<c0243be2>] do_sock_write+0xab/0xb2 Jul 17 09:29:40 hlb1 kernel: [<c0243c39>] sock_aio_write+0x50/0x5c Jul 17 09:29:40 hlb1 kernel: [<c015c008>] do_sync_write+0xbf/0xfc Jul 17 09:29:40 hlb1 kernel: [<c02a2b70>] mutex_lock+0x13/0x22 Jul 17 09:29:40 hlb1 kernel: [<c0129232>] autoremove_wake_function+0x0/0x33 Jul 17 09:29:40 hlb1 kernel: [<c02472ad>] sock_common_getsockopt+0x1c/0x21 Jul 17 09:29:40 hlb1 kernel: [<c0244c49>] sys_getsockopt+0x7d/0x9c Jul 17 09:29:40 hlb1 kernel: [<c015c10e>] vfs_write+0xc9/0x133 Jul 17 09:29:40 hlb1 kernel: [<c015c220>] sys_write+0x41/0x67 Jul 17 09:29:40 hlb1 kernel: [<c0103002>] sysenter_past_esp+0x5f/0x85 Jul 17 09:29:40 hlb1 kernel: =======================Steps to reproduce: Unsure
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