WARN trace in kernel logs

[Eric]

Hello,

I'm running virtualbox-3.2.4 on ubuntu-10.04 with kernel 2.6.32-22-server.

I'm getting lots of traces like this one in the kernel logs. What does those mean ?

Thanks, Lee

[89791.626512] ------------[ cut here ]------------
[89791.626531] WARNING: at /build/buildd/linux-2.6.32/net/core/dev.c:1582 skb_gso_segment+0x1e7/0x2c0()
[89791.626535] Hardware name: empty
[89791.626538] tun: caps=(0x0, 0x0) len=2732 data_len=0 ip_summed=1
[89791.626540] Modules linked in: vboxnetadp vboxnetflt vboxdrv xt_TCPMSS iptable_mangle ip6table_filter ip6_tables ipt_REJECT xt_multiport xt_tcpudp xt_state iptable_filter act_nat nf_nat_tftp nf_nat_snmp_basic nf_nat_sip nf_nat_proto_udplite nf_nat_proto_sctp crc32c libcrc32c nf_nat_proto_dccp nf_nat_pptp nf_nat_proto_gre nf_nat_irc nf_nat_h323 nf_nat_ftp nf_nat_amanda iptable_nat ip_tables nf_nat ebtable_nat ebtables ebt_snat ebt_dnat xt_conntrack nf_conntrack_tftp nf_conntrack_sip nf_conntrack_sane nf_conntrack_proto_udplite nf_conntrack_proto_sctp nf_conntrack_proto_dccp nf_conntrack_pptp nf_conntrack_proto_gre nf_conntrack_netlink nfnetlink nf_conntrack_netbios_ns nf_conntrack_irc nf_conntrack_h323 nf_conntrack_ftp ts_kmp nf_conntrack_amanda nf_conntrack_ipv6 nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 ip_gre ipt_ULOG x_tables lm85 fbcon tileblit font dme1737 hwmon_vid bitblit softcursor vga16fb vgastate amd64_edac_mod i2c_nforce2 mptctl edac_core edac_mce_amd serio_raw lp parport mptsas mptscsih mptbase floppy scsi_transport_sas forcedeth pata_amd sata_nv [last unloaded: vboxdrv]
[89791.626619] Pid: 13521, comm: VBoxHeadless Tainted: G        W  2.6.32-22-server #36-Ubuntu
[89791.626622] Call Trace:
[89791.626625]  <IRQ>  [<ffffffff81066d1b>] warn_slowpath_common+0x7b/0xc0
[89791.626638]  [<ffffffff81066dc1>] warn_slowpath_fmt+0x41/0x50
[89791.626646]  [<ffffffff81557669>] ? _spin_unlock_bh+0x19/0x20
[89791.626650]  [<ffffffff81470fe7>] skb_gso_segment+0x1e7/0x2c0
[89791.626655]  [<ffffffff8147114f>] dev_hard_start_xmit+0x8f/0x1e0
[89791.626660]  [<ffffffff814897df>] sch_direct_xmit+0x15f/0x1d0
[89791.626664]  [<ffffffff814742d8>] dev_queue_xmit+0x388/0x4e0
[89791.626669]  [<ffffffff814a5787>] ip_finish_output+0x237/0x310
[89791.626672]  [<ffffffff814a5918>] ip_output+0xb8/0xc0
[89791.626675]  [<ffffffff814a0e2f>] ip_forward_finish+0x4f/0x70
[89791.626678]  [<ffffffff814a1040>] ip_forward+0x1f0/0x420
[89791.626681]  [<ffffffff8149f1cd>] ip_rcv_finish+0x12d/0x440
[89791.626684]  [<ffffffff8149f755>] ip_rcv+0x275/0x360
[89791.626688]  [<ffffffff8146ffea>] netif_receive_skb+0x38a/0x5d0
[89791.626692]  [<ffffffff814702b3>] process_backlog+0x83/0xe0
[89791.626695]  [<ffffffff81470adf>] net_rx_action+0x10f/0x250
[89791.626700]  [<ffffffff8106e257>] __do_softirq+0xb7/0x1e0
[89791.626705]  [<ffffffff810142ec>] ? call_softirq+0x1c/0x30
[89791.626708]  [<ffffffff810142ec>] call_softirq+0x1c/0x30
[89791.626710]  <EOI>  [<ffffffff81015cb5>] do_softirq+0x65/0xa0
[89791.626716]  [<ffffffff81474708>] netif_rx_ni+0x28/0x30
[89791.626722]  [<ffffffffa0025dd2>] vboxNetFltPortOsXmit+0xb2/0xd0 [vboxnetflt]
[89791.626727]  [<ffffffffa0026cb9>] vboxNetFltPortXmit+0x69/0x1d0 [vboxnetflt]
[89791.626733]  [<ffffffff8105b186>] ? try_to_wake_up+0x286/0x380
[89791.626755]  [<ffffffffa05309b1>] g_abExecMemory+0x49d51/0x180000 [vboxdrv]
[89791.626759]  [<ffffffff8105b292>] ? default_wake_function+0x12/0x20
[89791.626765]  [<ffffffff8104bc69>] ? __wake_up_common+0x59/0x90
[89791.626769]  [<ffffffff810535e3>] ? __wake_up+0x53/0x70
[89791.626779]  [<ffffffffa0534695>] g_abExecMemory+0x4da35/0x180000 [vboxdrv]
[89791.626789]  [<ffffffffa04cfc40>] ? SUPR0ObjAddRefEx+0x130/0x230 [vboxdrv]
[89791.626800]  [<ffffffffa0537096>] ? g_abExecMemory+0x50436/0x180000 [vboxdrv]
[89791.626819]  [<ffffffffa0535359>] g_abExecMemory+0x4e6f9/0x180000 [vboxdrv]
[89791.626829]  [<ffffffffa0561ffa>] g_abExecMemory+0x7b39a/0x180000 [vboxdrv]
[89791.626839]  [<ffffffffa0562fd8>] g_abExecMemory+0x7c378/0x180000 [vboxdrv]
[89791.626855]  [<ffffffffa0564275>] g_abExecMemory+0x7d615/0x180000 [vboxdrv]
[89791.626874]  [<ffffffffa05036b4>] g_abExecMemory+0x1ca54/0x180000 [vboxdrv]
[89791.626888]  [<ffffffff81076bdc>] ? lock_timer_base+0x3c/0x70
[89791.626897]  [<ffffffffa0504210>] ? g_abExecMemory+0x1d5b0/0x180000 [vboxdrv]
[89791.626907]  [<ffffffffa0514f66>] g_abExecMemory+0x2e306/0x180000 [vboxdrv]
[89791.626927]  [<ffffffffa04f93cf>] g_abExecMemory+0x1276f/0x180000 [vboxdrv]
[89791.626946]  [<ffffffffa04f2b20>] g_abExecMemory+0xbec0/0x180000 [vboxdrv]
[89791.626955]  [<ffffffff81084fa0>] ? autoremove_wake_function+0x0/0x40
[89791.626966]  [<ffffffffa052cd4c>] ? g_abExecMemory+0x460ec/0x180000 [vboxdrv]
[89791.626984]  [<ffffffffa04ef99d>] g_abExecMemory+0x8d3d/0x180000 [vboxdrv]
[89791.627003]  [<ffffffffa052eb27>] g_abExecMemory+0x47ec7/0x180000 [vboxdrv]
[89791.627022]  [<ffffffffa04fab1b>] g_abExecMemory+0x13ebb/0x180000 [vboxdrv]
[89791.627032]  [<ffffffffa04ce95a>] supdrvIOCtlFast+0x7a/0x80 [vboxdrv]
[89791.627042]  [<ffffffffa04ce2ec>] VBoxDrvLinuxIOCtl+0x4c/0x1c0 [vboxdrv]
[89791.627048]  [<ffffffff81153492>] vfs_ioctl+0x22/0xa0
[89791.627052]  [<ffffffff81555208>] ? thread_return+0x48/0x420
[89791.627055]  [<ffffffff81153631>] do_vfs_ioctl+0x81/0x410
[89791.627059]  [<ffffffff81153a41>] sys_ioctl+0x81/0xa0
[89791.627065]  [<ffffffff810131b2>] system_call_fastpath+0x16/0x1b
[89791.627068] ---[ end trace 111bd8b34e42c059 ]---
r

[Frank Mehnert]

Looks to me like a duplicate of #6872.