Public bug reported:
In /var/log/messages:
Aug 23 09:44:41 aao kernel: [ 5932.689254] ------------[ cut here ]------------
Aug 23 09:44:41 aao kernel: [ 5932.689264] WARNING: at
/build/buildd/linux-2.6.28/net/ipv4/tcp.c:1371 tcp_recvmsg+0x865/0xb10
()
Aug 23 09:44:41 aao kernel: [ 5932.689270] Modules linked in: nls_iso8859_1
nls_cp437 vfat fat aufs exportfs i915 drm binfmt_
misc ppdev bridge stp bnep input_polldev joydev lp parport mmc_block acerhdf
acer_wmi snd_hda_intel snd_pcm_oss snd_mixer_oss
snd_pcm snd_seq_dummy arc4 snd_seq_oss ecb snd_seq_midi snd_rawmidi
snd_seq_midi_event iTCO_wdt iTCO_vendor_support pcspkr p
smouse serio_raw ath5k uvcvideo snd_seq compat_ioctl32 videodev v4l1_compat
mac80211 led_class btusb snd_timer snd_seq_device
cfg80211 snd sdhci_pci sdhci soundcore snd_page_alloc intel_agp agpgart video
output r8169 mii fbcon tileblit font bitblit s
oftcursor
Aug 23 09:44:41 aao kernel: [ 5932.689454] Pid: 3767, comm: firefox Not tainted
2.6.28-15-generic #49-Ubuntu
Aug 23 09:44:41 aao kernel: [ 5932.689462] Call Trace:
Aug 23 09:44:41 aao kernel: [ 5932.689475] [<c04fdfc6>] ? printk+0x18/0x1a
Aug 23 09:44:41 aao kernel: [ 5932.689486] [<c0139c14>]
warn_on_slowpath+0x54/0x80
Aug 23 09:44:41 aao kernel: [ 5932.689498] [<c01cc420>] ? __pollwait+0x0/0xe0
Aug 23 09:44:41 aao kernel: [ 5932.689507] [<c0133de0>] ?
default_wake_function+0x0/0x10
Aug 23 09:44:41 aao kernel: [ 5932.689515] [<c0133de0>] ?
default_wake_function+0x0/0x10
Aug 23 09:44:41 aao kernel: [ 5932.689522] [<c05001f8>] ? _spin_lock+0x8/0x10
Aug 23 09:44:41 aao kernel: [ 5932.689531] [<c01b6050>] ? add_partial+0x40/0x70
Aug 23 09:44:41 aao kernel: [ 5932.689539] [<c01b8500>] ?
flush_cpu_slab+0x70/0x90
Aug 23 09:44:41 aao kernel: [ 5932.689547] [<c01b6050>] ? add_partial+0x40/0x70
Aug 23 09:44:41 aao kernel: [ 5932.689557] [<c0428878>] ?
skb_release_data+0x68/0xa0
Aug 23 09:44:41 aao kernel: [ 5932.689565] [<c0428751>] ? __kfree_skb+0x31/0x80
Aug 23 09:44:41 aao kernel: [ 5932.689573] [<c0500382>] ?
_spin_lock_bh+0x12/0x20
Aug 23 09:44:41 aao kernel: [ 5932.689581] [<c04255bf>] ?
lock_sock_nested+0x8f/0xa0
Aug 23 09:44:41 aao kernel: [ 5932.689589] [<c0500401>] ?
_spin_unlock_bh+0x11/0x20
Aug 23 09:44:41 aao kernel: [ 5932.689597] [<c0425521>] ? release_sock+0xa1/0xb0
Aug 23 09:44:41 aao kernel: [ 5932.689607] [<c045fea5>] tcp_recvmsg+0x865/0xb10
Aug 23 09:44:41 aao kernel: [ 5932.689616] [<c0424c03>]
sock_common_recvmsg+0x43/0x60
Aug 23 09:44:41 aao kernel: [ 5932.689625] [<c0424244>] sock_recvmsg+0xf4/0x120
Aug 23 09:44:41 aao kernel: [ 5932.689637] [<c014ede0>] ?
autoremove_wake_function+0x0/0x50
Aug 23 09:44:41 aao kernel: [ 5932.689646] [<c05001f8>] ? _spin_lock+0x8/0x10
Aug 23 09:44:41 aao kernel: [ 5932.689655] [<c01d4568>] ?
mnt_drop_write+0x58/0x150
Aug 23 09:44:41 aao kernel: [ 5932.689663] [<c05001f8>] ? _spin_lock+0x8/0x10
Aug 23 09:44:41 aao kernel: [ 5932.689672] [<c042451a>] sys_recvfrom+0x7a/0xd0
Aug 23 09:44:41 aao kernel: [ 5932.689683] [<c01bd751>] ?
do_sync_write+0xd1/0x110
Aug 23 09:44:41 aao kernel: [ 5932.689693] [<c04245a6>] sys_recv+0x36/0x40
Aug 23 09:44:41 aao kernel: [ 5932.689702] [<c0424767>]
sys_socketcall+0x1b7/0x2b0
Aug 23 09:44:41 aao kernel: [ 5932.689712] [<c02cdf56>] ?
copy_to_user+0x36/0x120
Aug 23 09:44:41 aao kernel: [ 5932.689721] [<c013eb4b>] ?
sys_gettimeofday+0x2b/0x70
Aug 23 09:44:41 aao kernel: [ 5932.689730] [<c0103f6b>]
sysenter_do_call+0x12/0x2f
Aug 23 09:44:41 aao kernel: [ 5932.689737] ---[ end trace 0c4c50a11f7f3c79 ]---
Aug 23 09:44:41 aao kernel: [ 5932.689837] ------------[ cut here ]------------
ProblemType: Bug
Architecture: i386
DistroRelease: Ubuntu 9.04
HibernationDevice: RESUME=UUID=05f7f87d-5fac-4c6b-9ca9-015d06d44bf3
MachineType: Acer AOA110
Package: linux-image-2.6.28-15-generic 2.6.28-15.49
ProcCmdLine: root=UUID=43e155b6-3424-4e54-9002-9c1e2ed4444d ro quiet splash
enable_mtrr_cleanup mtrr_spare_reg_nr=1 elevator=noop
ProcEnviron:
LANG=en_GB.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.28-15.49-generic
SourcePackage: linux
Tags: ubuntu-unr
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 ubuntu-unr
--
Bug in TCP stack, relates to orginal report #418308, but with more debug info
https://bugs.launchpad.net/bugs/418902
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