[Bug 525734] Re: WARNING: at /build/buildd/linux-2.6.32/net/mac80211/scan.c:288 ieee80211_scan_completed+0x290/0x2a0 [mac80211]()

[Omar]

It happens often on my Sony Vaio VPCF11C5E.

It hangs while scanning wifi net and the connection to my lan is very
slow, sometimes it fails.

Here the trace:

[ 2302.601112] ------------[ cut here ]------------
[ 2302.601143] WARNING: at /build/buildd/linux-2.6.32/net/mac80211/scan.c:285 ieee80211_scan_completed+0x10f/0x310 [mac80211]()
[ 2302.601149] Hardware name: VPCF11C5E
[ 2302.601151] Modules linked in: binfmt_misc rfcomm ppdev sco bridge stp bnep l2cap snd_hda_codec_nvhdmi snd_hda_codec_realtek snd_hda_intel arc4 snd_pcm_oss snd_hda_codec snd_hwdep snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event fbcon snd_seq iwlagn tileblit uvcvideo font bitblit snd_timer softcursor nvidia(P) iwlcore joydev sdhci_pci mac80211 btusb videodev snd_seq_device bluetooth v4l1_compat v4l2_compat_ioctl32 psmouse serio_raw snd sdhci led_class vga16fb vgastate cfg80211 soundcore snd_page_alloc sony_laptop video output lp parport usbhid hid ohci1394 ahci sky2 ieee1394
[ 2302.601233] Pid: 1014, comm: iwlagn Tainted: P        W  2.6.32-23-generic #37-Ubuntu
[ 2302.601239] Call Trace:
[ 2302.601252]  [<ffffffff81066dbb>] warn_slowpath_common+0x7b/0xc0
[ 2302.601259]  [<ffffffff81066e14>] warn_slowpath_null+0x14/0x20
[ 2302.601277]  [<ffffffffa01725cf>] ieee80211_scan_completed+0x10f/0x310 [mac80211]
[ 2302.601294]  [<ffffffffa01d0ed0>] ? iwl_bg_scan_completed+0x0/0x90 [iwlcore]
[ 2302.601309]  [<ffffffffa01d0f19>] iwl_bg_scan_completed+0x49/0x90 [iwlcore]
[ 2302.601319]  [<ffffffff81080867>] run_workqueue+0xc7/0x1a0
[ 2302.601326]  [<ffffffff810809e3>] worker_thread+0xa3/0x110
[ 2302.601333]  [<ffffffff81085430>] ? autoremove_wake_function+0x0/0x40
[ 2302.601340]  [<ffffffff81080940>] ? worker_thread+0x0/0x110
[ 2302.601346]  [<ffffffff810850b6>] kthread+0x96/0xa0
[ 2302.601354]  [<ffffffff810141ea>] child_rip+0xa/0x20
[ 2302.601360]  [<ffffffff81085020>] ? kthread+0x0/0xa0
[ 2302.601366]  [<ffffffff810141e0>] ? child_rip+0x0/0x20
[ 2302.601370] ---[ end trace d0df1f460eba4003 ]---
[ 2302.601373] ------------[ cut here ]------------

-- 
WARNING: at /build/buildd/linux-2.6.32/net/mac80211/scan.c:288 ieee80211_scan_completed+0x290/0x2a0 [mac80211]()
https://bugs.launchpad.net/bugs/525734
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