Warning when terminating wpa_supplicant (wext driver)

Marcel Holtmann
2009-05-07T06:18:45Z

Hi guys,

so I am running the wireless-testing.git tree from today and when
terminating wpa_supplicant (wext driver), I get this warning in my
kernel logs:

------------[ cut here ]------------
WARNING: at net/mac80211/agg-tx.c:142 ___ieee80211_stop_tx_ba_session+0x6b/0x7e [mac80211]()
Hardware name: 7454CTO
Modules linked in: tun fuse sco bluetooth binfmt_misc uinput iwlagn snd_hda_codec_conexant snd_hda_intel iwlcore snd_hda_codec i2400m_usb mbm cdc_ether i2400m usbnet uvcvideo snd_pcm mii mac80211 cdc_acm cdc_wdm snd_timer snd cfg80211 wimax soundcore snd_page_alloc uhci_hcd ehci_hcd [last unloaded: microcode]
Pid: 2741, comm: wpa_supplicant Not tainted 2.6.30-rc4-wl #17
Call Trace:
[<ffffffff80234b58>] warn_slowpath+0xb1/0xe5
[<ffffffffa014bda4>] ? iwl_tx_agg_stop+0x297/0x2bd [iwlcore]
[<ffffffffa018612c>] ? iwl_mac_ampdu_action+0x2ab/0x332 [iwlagn]
[<ffffffffa0088b02>] ___ieee80211_stop_tx_ba_session+0x6b/0x7e [mac80211]
[<ffffffffa0088c80>] __ieee80211_stop_tx_ba_session+0x63/0x7b [mac80211]
[<ffffffffa008890c>] ieee80211_sta_tear_down_BA_sessions+0x1b/0x3b [mac80211]
[<ffffffffa008f105>] ieee80211_stop+0x9f/0x561 [mac80211]
[<ffffffff80548124>] ? _spin_unlock_bh+0x1e/0x20
[<ffffffff804b4583>] ? dev_deactivate+0x156/0x186
[<ffffffff804a72f3>] dev_close+0x74/0x96
[<ffffffff804a6f93>] dev_change_flags+0xba/0x180
[<ffffffff804e3008>] devinet_ioctl+0x278/0x604
[<ffffffff804e423e>] inet_ioctl+0x92/0xaa
[<ffffffff80497b8e>] sock_ioctl+0x1f1/0x21b
[<ffffffff802a5970>] vfs_ioctl+0x2a/0x78
[<ffffffff802a5dfa>] do_vfs_ioctl+0x43c/0x478
[<ffffffff802a5e8b>] sys_ioctl+0x55/0x77
[<ffffffff8020af6b>] system_call_fastpath+0x16/0x1b
---[ end trace 8a26567db4679b5c ]---

The hardware is an Intel 5350 card if that actually matters.

Regards

Marcel