BUG

Dan Williams dcbw at redhat.com
Tue Dec 1 03:01:00 EST 2009


On Mon, 2009-11-30 at 22:39 +0200, Plamen Vasilev wrote:
> Hi,
> I have D-LINK DWA-547 PCI card on my Gentoo based PC.
> I'm using kernel 2.31.r8 with the latest drivers from the linux
> wireless site.

The hostap list is the wrong list for this issue; you'll want to send to
the linux-wireless@ list which is also referenced from the linux
wireless site.  This bug is a kernel bug and needs to be fixed by the
Linux kernel wireless people; it's not really something that can be
fixed by wpa_supplicant.

Dan

> 
> I have the following error from the kernel :
> 
> 
> Nov 30 22:27:04 plamenvasilev kernel: [  493.171844] ------------[ cut
> here ]------------
> Nov 30 22:27:04 plamenvasilev kernel: [  493.171952] WARNING:
> at /root/compat-wireless-2.6.31-rc7/net/mac80211/tx.c:1251
> ieee80211_tx+0x5b/0x1ae [mac80211]()
> Nov 30 22:27:04 plamenvasilev kernel: [  493.171960] Hardware name:
> Deskpro
> Nov 30 22:27:04 plamenvasilev kernel: [  493.171965] Modules linked
> in: xt_state xt_TCPMSS xt_comment iptable_raw pppoe pppox ath9k
> mac80211 ath cfg80211
> Nov 30 22:27:04 plamenvasilev kernel: [  493.171991] Pid: 0, comm:
> swapper Not tainted 2.6.31-gentoo-r6 #11
> Nov 30 22:27:04 plamenvasilev kernel: [  493.171997] Call Trace:
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172026]  [<c102f339>]
> warn_slowpath_common+0x60/0x90
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172036]  [<c102f376>]
> warn_slowpath_null+0xd/0x10
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172069]  [<e0840765>]
> ieee80211_tx+0x5b/0x1ae [mac80211]
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172089]  [<c13c815b>] ?
> skb_release_data+0x8e/0x92
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172122]  [<e0840c3c>] ?
> ieee80211_skb_resize+0x72/0xa6 [mac80211]
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172155]  [<e08416a6>]
> ieee80211_master_start_xmit+0x334/0x362 [mac80211]
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172172]  [<c13cf0c2>]
> dev_hard_start_xmit+0x20e/0x2a1
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172196]  [<c13de226>]
> __qdisc_run+0xbf/0x19d
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172205]  [<c13cf496>]
> dev_queue_xmit+0x25b/0x350
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172237]  [<e0841359>]
> ieee80211_subif_start_xmit+0x6e9/0x702 [mac80211]
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172270]  [<e083f402>] ?
> __ieee80211_tx_prepare+0x2d4/0x311 [mac80211]
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172292]  [<c13c0000>] ?
> pci_fixup_nforce2+0x14/0x6f
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172313]  [<c1466dac>] ?
> packet_rcv_spkt+0xb9/0xc1
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172322]  [<c13cf0c2>]
> dev_hard_start_xmit+0x20e/0x2a1
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172331]  [<c13c71be>] ?
> skb_copy_bits+0x4b/0x18b
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172341]  [<c13de226>]
> __qdisc_run+0xbf/0x19d
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172350]  [<c13cf496>]
> dev_queue_xmit+0x25b/0x350
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172382]  [<e083c849>]
> ieee80211_deliver_skb+0xf9/0x101 [mac80211]
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172414]  [<e083dcac>]
> ieee80211_invoke_rx_handlers+0x145b/0x1b9e [mac80211]
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172425]  [<c13de24a>] ?
> __qdisc_run+0xe3/0x19d
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172457]  [<e0841359>] ?
> ieee80211_subif_start_xmit+0x6e9/0x702 [mac80211]
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172492]  [<e083e83c>]
> __ieee80211_rx_handle_packet+0x44d/0x45f [mac80211]
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172526]  [<e083ef83>]
> __ieee80211_rx+0x4b9/0x50a [mac80211]
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172544]  [<c149fdc3>] ?
> _spin_unlock_bh+0xd/0xf
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172613]  [<e08a0b05>]
> ath_rx_send_to_mac80211+0x6b/0x72 [ath9k]
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172640]  [<e08a11b6>]
> ath_rx_tasklet+0x628/0x670 [ath9k]
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172656]  [<c104a6c0>] ?
> clockevents_program_event+0xd4/0xe3
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172668]  [<c104b52e>] ?
> tick_dev_program_event+0x28/0x95
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172677]  [<c1049040>] ?
> clocksource_get_next+0x3c/0x43
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172703]  [<e089f9b8>]
> ath9k_tasklet+0x44/0x91 [ath9k]
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172713]  [<c10331b9>]
> tasklet_action+0x62/0x9f
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172725]  [<c1033f0e>]
> __do_softirq+0xa7/0x144
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172734]  [<c1033fd1>]
> do_softirq+0x26/0x2b
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172742]  [<c10340b6>]
> irq_exit+0x29/0x5c
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172756]  [<c1003f6f>]
> do_IRQ+0x80/0x96
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172766]  [<c10030a9>]
> common_interrupt+0x29/0x30
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172766]  [<c1008065>] ?
> default_idle+0x42/0x5f
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172766]  [<c1001d4c>]
> cpu_idle+0x44/0x60
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172766]  [<c1483f97>]
> rest_init+0x53/0x55
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172766]  [<c17407d7>]
> start_kernel+0x2b1/0x2b6
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172766]  [<c174006a>]
> i386_start_kernel+0x6a/0x6f
> Nov 30 22:27:04 plamenvasilev kernel: [  493.172766] ---[ end trace
> a8b664535fdf6c28 ]--- 
> 
> 
> After some time of using the wireless i get the following :
> 
> 
> Nov 30 22:33:47 plamenvasilev hostapd: wlan0: STA 00:1f:df:0e:dd:eb
> MLME: MLME-AUTHENTICATE.indication(00:1f:df:0e:dd:eb, OPEN_SYSTEM)
> Nov 30 22:33:47 plamenvasilev hostapd: wlan0: STA 00:1f:df:0e:dd:eb
> MLME: MLME-DELETEKEYS.request(00:1f:df:0e:dd:eb)
> Nov 30 22:33:47 plamenvasilev hostapd: wlan0: STA 00:1f:df:0e:dd:eb
> IEEE 802.11: authentication OK (open system)
> Nov 30 22:33:47 plamenvasilev hostapd: wlan0: STA 00:1f:df:0e:dd:eb
> MLME: MLME-AUTHENTICATE.indication(00:1f:df:0e:dd:eb, OPEN_SYSTEM)
> Nov 30 22:33:47 plamenvasilev hostapd: wlan0: STA 00:1f:df:0e:dd:eb
> MLME: MLME-DELETEKEYS.request(00:1f:df:0e:dd:eb)
> Nov 30 22:33:47 plamenvasilev hostapd: wlan0: STA 00:1f:df:0e:dd:eb
> IEEE 802.11: authenticated
> Nov 30 22:33:47 plamenvasilev hostapd: wlan0: STA 00:1f:df:0e:dd:eb
> IEEE 802.11: authenticated
> Nov 30 22:36:14 plamenvasilev hostapd: wlan0: WPA rekeying GTK
> Nov 30 22:36:14 plamenvasilev hostapd: wlan0: STA 00:1e:52:83:3f:f2
> WPA: sending 1/2 msg of Group Key Handshake
> Nov 30 22:36:14 plamenvasilev hostapd: wlan0: STA 00:1e:52:83:3f:f2
> WPA: received EAPOL-Key frame (2/2 Group)
> Nov 30 22:36:14 plamenvasilev hostapd: wlan0: STA 00:1e:52:83:3f:f2
> WPA: group key handshake completed (RSN)
> Nov 30 22:36:48 plamenvasilev hostapd: wlan0: STA 00:1e:52:83:3f:f2
> WPA: event 2 notification
> Nov 30 22:36:48 plamenvasilev hostapd: wlan0: STA 00:1e:52:83:3f:f2
> IEEE 802.1X: unauthorizing port
> Nov 30 22:36:48 plamenvasilev hostapd: wlan0: STA 00:1e:52:83:3f:f2
> IEEE 802.11: disassociated
> Nov 30 22:36:48 plamenvasilev hostapd: wlan0: STA 00:1e:52:83:3f:f2
> MLME: MLME-DISASSOCIATE.indication(00:1e:52:83:3f:f2, 8)
> Nov 30 22:36:48 plamenvasilev hostapd: wlan0: STA 00:1e:52:83:3f:f2
> MLME: MLME-DELETEKEYS.request(00:1e:52:83:3f:f2)
> Nov 30 22:36:49 plamenvasilev hostapd: wlan0: STA 00:1e:52:83:3f:f2
> IEEE 802.11: deauthenticated due to inactivity
> Nov 30 22:36:49 plamenvasilev hostapd: wlan0: STA 00:1e:52:83:3f:f2
> MLME: MLME-DEAUTHENTICATE.indication(00:1e:52:83:3f:f2, 2)
> Nov 30 22:36:49 plamenvasilev hostapd: wlan0: STA 00:1e:52:83:3f:f2
> MLME: MLME-DELETEKEYS.request(00:1e:52:83:3f:f2)
> 
> 
> After that i have to restart hostapd service because i cannot connect
> any more.
> Any ideas ?
> 
> 
> --------------------------------------------------------
> With Best Regards,
> Plamen Vasilev  - TeamLeader & Developer
> plamen.vasilev.vasilev at gmail.com : default
> plamen_007 at mail.bg 
> p.vasilev at antipodes.bg
> 
> 
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