Comment 44 for bug 652775

I'm seeing this (or something similar? bug #809884 ?) on a Thinkpad X201 when connecting to WPA2 Enterprise / PEAP / MSCHAPv2 (as per eduroam: http://www.oucs.ox.ac.uk/network/wireless/services/eduroam/fedora/ )

I'm finding this network unstable to the point of unusable -- it keeps disconnecting. I'm assuming this is related to the warning?

Jun 6 10:47:45 pootle kernel: [ 209.376397] WARNING: at include/net/mac80211.h:3614 rate_control_send_low+0x23e/0x250 [mac80211]()
Jun 6 10:47:45 pootle kernel: [ 209.376400] Hardware name: 3249CTO
Jun 6 10:47:45 pootle kernel: [ 209.376402] Modules linked in: tcp_lp hidp fuse lockd rfcomm bnep ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4 x
t_state nf_conntrack ip6table_filter ip6_tables uvcvideo videobuf2_core videodev snd_hda_codec_hdmi btusb bluetooth media videobuf2_vmalloc videobuf2_memops snd_hda_codec_conexant
 snd_hda_intel snd_hda_codec arc4 snd_hwdep snd_seq iwlwifi snd_seq_device mac80211 thinkpad_acpi joydev snd_pcm snd_timer snd tpm_tis tpm cfg80211 soundcore e1000e microcode iTCO
_wdt intel_ips iTCO_vendor_support i2c_i801 tpm_bios rfkill snd_page_alloc uinput sunrpc xts gf128mul dm_crypt wmi i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unload
ed: scsi_wait_scan]
Jun 6 10:47:45 pootle kernel: [ 209.376453] Pid: 76, comm: kworker/u:6 Not tainted 3.3.7-1.fc16.x86_64 #1
Jun 6 10:47:45 pootle kernel: [ 209.376455] Call Trace:
Jun 6 10:47:45 pootle kernel: [ 209.376465] [<ffffffff81057adf>] warn_slowpath_common+0x7f/0xc0
Jun 6 10:47:45 pootle kernel: [ 209.376468] [<ffffffff81057b3a>] warn_slowpath_null+0x1a/0x20
Jun 6 10:47:45 pootle kernel: [ 209.376479] [<ffffffffa027578e>] rate_control_send_low+0x23e/0x250 [mac80211]
Jun 6 10:47:45 pootle kernel: [ 209.376490] [<ffffffffa02e0fe9>] rs_get_rate+0x99/0x310 [iwlwifi]
Jun 6 10:47:45 pootle kernel: [ 209.376502] [<ffffffffa0275bae>] rate_control_get_rate+0xae/0x180 [mac80211]
Jun 6 10:47:45 pootle kernel: [ 209.376514] [<ffffffffa0281a0f>] invoke_tx_handlers+0x7cf/0x1400 [mac80211]
Jun 6 10:47:45 pootle kernel: [ 209.376520] [<ffffffff81072740>] ? insert_work+0x70/0x80
Jun 6 10:47:45 pootle kernel: [ 209.376525] [<ffffffff814d959b>] ? __alloc_skb+0x4b/0x230
Jun 6 10:47:45 pootle kernel: [ 209.376534] [<ffffffffa0260d5c>] ? sta_info_get+0x6c/0x80 [mac80211]
Jun 6 10:47:45 pootle kernel: [ 209.376547] [<ffffffffa0282790>] ieee80211_tx+0x60/0xc0 [mac80211]
Jun 6 10:47:45 pootle kernel: [ 209.376559] [<ffffffffa0282871>] ieee80211_xmit+0x81/0xd0 [mac80211]
Jun 6 10:47:45 pootle kernel: [ 209.376571] [<ffffffffa0283aaf>] ieee80211_tx_skb_tid+0x5f/0x70 [mac80211]
Jun 6 10:47:45 pootle kernel: [ 209.376582] [<ffffffffa026748c>] ieee80211_send_delba+0x12c/0x1a0 [mac80211]
Jun 6 10:47:45 pootle kernel: [ 209.376592] [<ffffffffa0268bb1>] ieee80211_stop_tx_ba_cb+0x1a1/0x1b0 [mac80211]
Jun 6 10:47:45 pootle kernel: [ 209.376603] [<ffffffffa0273391>] ieee80211_iface_work+0x291/0x350 [mac80211]
Jun 6 10:47:45 pootle kernel: [ 209.376614] [<ffffffffa0273100>] ? ieee80211_teardown_sdata+0xe0/0xe0 [mac80211]
Jun 6 10:47:45 pootle kernel: [ 209.376619] [<ffffffff810747ae>] process_one_work+0x11e/0x470
Jun 6 10:47:45 pootle kernel: [ 209.376622] [<ffffffff810755bf>] worker_thread+0x15f/0x360
Jun 6 10:47:45 pootle kernel: [ 209.376626] [<ffffffff81075460>] ? manage_workers+0x230/0x230
Jun 6 10:47:45 pootle kernel: [ 209.376630] [<ffffffff81079da3>] kthread+0x93/0xa0
Jun 6 10:47:45 pootle kernel: [ 209.376636] [<ffffffff815fd8e4>] kernel_thread_helper+0x4/0x10
Jun 6 10:47:45 pootle kernel: [ 209.376639] [<ffffffff81079d10>] ? kthread_freezable_should_stop+0x70/0x70
Jun 6 10:47:45 pootle kernel: [ 209.376642] [<ffffffff815fd8e0>] ? gs_change+0x13/0x13