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Re: Fixing rt2500pci

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>>>>> "Ivo" == Ivo van Doorn <ivdoorn@xxxxxxxxx> writes:


Ivo> Are you running rt2500pci in managed or adhoc mode?  And when
Ivo> does this bug trigger, when authenticating, associating,
Ivo> deauthentication or random?

Managed mode; the bug happens randomly.

Ivo> Also could you post some of the rt2500/mac80211 debug messages
Ivo> from the log from before the actual bug?

There isn't very much.  Here's another trace plus all messages from
the rt2500 or MAC or PHY.  I can turn on more debugging if you can
suggest what'd be appropriate.  The gap between the `switching to
long barker preamble' message and the OOPS is about half an hour.

I should perhaps mention that the card has difficulty in associating
now: I do ifup and nothing happens unless a different window I force a
reassociation by doing iwconfig wlan0 essid any in a different window
while dhclient is running.



rt2500pci 0000:05:09.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
phy0: Selected rate control algorithm 'pid'
Registered led device: rt2500pci-phy0:radio
phy0: HW CONFIG: freq=2412
ADDRCONF(NETDEV_UP): wlan: link is not ready
phy0: HW CONFIG: freq=2412
phy0: HW CONFIG: freq=2417
phy0: HW CONFIG: freq=2422
phy0: HW CONFIG: freq=2427
phy0: HW CONFIG: freq=2432
phy0: HW CONFIG: freq=2437
phy0: HW CONFIG: freq=2442
phy0: HW CONFIG: freq=2447
phy0: HW CONFIG: freq=2452
phy0: HW CONFIG: freq=2457
phy0: HW CONFIG: freq=2462
phy0: HW CONFIG: freq=2412
phy0: HW CONFIG: freq=2422
wlan: authenticate with AP 00:12:17:68:eb:05
wlan: authenticated
wlan: associate with AP 00:12:17:68:eb:05
wlan: RX AssocResp from 00:12:17:68:eb:05 (capab=0x11 status=0 aid=17)
wlan: associated
phy0: Allocated STA 00:12:17:68:eb:05
phy0: Inserted STA 00:12:17:68:eb:05
ADDRCONF(NETDEV_CHANGE): wlan: link becomes ready
phy0: Removed STA 00:12:17:68:eb:05
phy0: Destroyed STA 00:12:17:68:eb:05
phy0: HW CONFIG: freq=2422
ADDRCONF(NETDEV_UP): wlan: link is not ready
phy0: HW CONFIG: freq=2422
wlan: authenticate with AP 00:12:17:68:eb:05
wlan: authenticated
wlan: associate with AP 00:12:17:68:eb:05
wlan: RX AssocResp from 00:12:17:68:eb:05 (capab=0x11 status=0 aid=17)
wlan: associated
phy0: Allocated STA 00:12:17:68:eb:05
phy0: Inserted STA 00:12:17:68:eb:05
wlan: No ProbeResp from current AP 00:12:17:68:eb:05 - assume out of range
phy0: Removed STA 00:12:17:68:eb:05
ADDRCONF(NETDEV_CHANGE): wlan: link becomes ready
wlan: dropped frame to 00:12:17:68:eb:05 (unauthorized port)
phy0: Destroyed STA 00:12:17:68:eb:05
wlan: dropped frame to 00:12:17:68:eb:05 (unauthorized port)
phy0: HW CONFIG: freq=2422
ADDRCONF(NETDEV_UP): wlan: link is not ready
phy0: HW CONFIG: freq=2422
wlan: authenticate with AP 00:12:17:68:eb:05
wlan: authenticated
wlan: associate with AP 00:12:17:68:eb:05
wlan: RX AssocResp from 00:12:17:68:eb:05 (capab=0x11 status=0 aid=17)
wlan: associated
phy0: Allocated STA 00:12:17:68:eb:05
phy0: Inserted STA 00:12:17:68:eb:05
ADDRCONF(NETDEV_CHANGE): wlan: link becomes ready
wlan: no IPv6 routers present
wlan: CTS protection enabled (BSSID=00:12:17:68:eb:05)
wlan: switched to short barker preamble (BSSID=00:12:17:68:eb:05)
wlan: CTS protection disabled (BSSID=00:12:17:68:eb:05)
wlan: switched to long barker preamble (BSSID=00:12:17:68:eb:05)
**30 minutes gap here***
general protection fault: 0000 [1] PREEMPT 
CPU 0 
Modules linked in: radeon rfcomm l2cap bluetooth tun sd_mod scsi_mod rt2500pci rt2x00pci rt2x00lib led_class pcmcia rtc_cmos firewire_ohci mac80211 snd_hda_intel firewire_core rtc_core yenta_socket i2c_piix4 serio_raw eeprom_93cx6 rtc_lib usbhid rsrc_nonstatic snd_hwdep i2c_core hid
Pid: 2203, comm: rt2500pci Not tainted 2.6.27-rc1 #52
RIP: 0010:[<ffffffff80260c8d>]  [<ffffffff80260c8d>] put_page+0xc/0xd6
RSP: 0018:ffff88003efbfbf0  EFLAGS: 00010286
RAX: 0000000000000000 RBX: a28ff9ca48bf9c98 RCX: 0000000000000000
RDX: ffff8800361ff9c0 RSI: 0000000000000000 RDI: a28ff9ca48bf9c98
RBP: ffff88003efbfc00 R08: ffff88003ef7a2a0 R09: 0000000000000002
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
R13: ffff8800361ff014 R14: ffff88003ef1b000 R15: 0000000000000000
FS:  00007f47264506e0(0000) GS:ffffffff8068ae40(0000) knlGS:00000000f7ba06c0
CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 00007fff807567f6 CR3: 000000003e2a7000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process rt2500pci (pid: 2203, threadinfo ffff88003efbe000, task ffff88003f9d7700)
Stack:  0000000000000000 ffff8800361e7300 ffff88003efbfc20 ffffffff80482ee8
 ffff8800361e7300 ffff88003ef4c7c0 ffff88003efbfc40 ffffffff8048358a
 ffff88003ef4c7c0 ffff8800361e7300 ffff88003efbfc60 ffffffff80482d85
Call Trace:
 [<ffffffff80482ee8>] skb_release_data+0x68/0xac
 [<ffffffff8048358a>] skb_release_all+0x6f/0x73
 [<ffffffff80482d85>] __kfree_skb+0x11/0x77
 [<ffffffff80482e11>] kfree_skb+0x26/0x28
 [<ffffffffa009c1b6>] ieee80211_sta_rx_queued_mgmt+0xd5f/0xd85 [mac80211]
 [<ffffffff804835fa>] ? __alloc_skb+0x3b/0x12e
 [<ffffffff80496f9d>] ? __qdisc_run+0xd1/0x1ea
 [<ffffffff8048b197>] ? dev_queue_xmit+0x427/0x468
 [<ffffffffa0097489>] ? ieee80211_rx_bss_get+0xbb/0xca [mac80211]
 [<ffffffffa00975d4>] ? ieee80211_rx_bss_put+0x2c/0xf3 [mac80211]
 [<ffffffffa009776f>] ? ieee80211_privacy_mismatch+0x9e/0xcd [mac80211]
 [<ffffffffa009d338>] ieee80211_sta_work+0x99/0x6c5 [mac80211]
 [<ffffffff8052ae7e>] ? thread_return+0x30/0xa9
 [<ffffffffa009d29f>] ? ieee80211_sta_work+0x0/0x6c5 [mac80211]
 [<ffffffff8023a2b9>] run_workqueue+0xb2/0x178
 [<ffffffff8023ac9a>] worker_thread+0xd3/0xe0
 [<ffffffff8023d9b1>] ? autoremove_wake_function+0x0/0x38
 [<ffffffff8023abc7>] ? worker_thread+0x0/0xe0
 [<ffffffff8023d8a1>] kthread+0x49/0x78
 [<ffffffff8020bc59>] child_rip+0xa/0x11
 [<ffffffff8023d858>] ? kthread+0x0/0x78
 [<ffffffff8020bc4f>] ? child_rip+0x0/0x11 [<ffffffff80496f9d>] ? __qdisc_run+0xd1/0x1ea
 [<ffffffff8048b197>] ? dev_queue_xmit+0x427/0x468
 [<ffffffffa0097489>] ? ieee80211_rx_bss_get+0xbb/0xca [mac80211]
 [<ffffffffa00975d4>] ? ieee80211_rx_bss_put+0x2c/0xf3 [mac80211]
 [<ffffffffa009776f>] ? ieee80211_privacy_mismatch+0x9e/0xcd [mac80211]
 [<ffffffffa009d338>] ieee80211_sta_work+0x99/0x6c5 [mac80211]
 [<ffffffff8052ae7e>] ? thread_return+0x30/0xa9
 [<ffffffffa009d29f>] ? ieee80211_sta_work+0x0/0x6c5 [mac80211]
 [<ffffffff8023a2b9>] run_workqueue+0xb2/0x178
 [<ffffffff8023ac9a>] worker_thread+0xd3/0xe0
 [<ffffffff8023d9b1>] ? autoremove_wake_function+0x0/0x38
 [<ffffffff8023abc7>] ? worker_thread+0x0/0xe0
 [<ffffffff8023d8a1>] kthread+0x49/0x78
 [<ffffffff8020bc59>] child_rip+0xa/0x11
 [<ffffffff8023d858>] ? kthread+0x0/0x78
 [<ffffffff8020bc4f>] ? child_rip+0x0/0x11


Code: f6 80 38 e0 ff ff 08 74 05 e8 ea a2 2c 00 5e 5b c9 c3 55 48 89
 e5 e8 71 ff 
 ff ff c9 31 c0 c3 55 48 89 e5 53 48 89 fb 48 83 ec 08 <f7> 07 00 60 00 00 74 0a
 e8 05 f9 ff ff e9 b4 00 00 00 ff 4f 08 
RIP  [<ffffffff80260c8d>] put_page+0xc/0xd6
 RSP <ffff88003efbfbf0>
---[ end trace 4f9e6e26b2f3fe71 ]---
--
Dr Peter Chubb  http://www.gelato.unsw.edu.au  peterc AT gelato.unsw.edu.au
http://www.ertos.nicta.com.au           ERTOS within National ICT Australia
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