netdev - BUG: rt2x00usb: Vendor Request 0x07 failed

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Date:	Sat, 20 Aug 2011 10:42:12 +0200
From:	Marc Kleine-Budde <mkl@...gutronix.de>
To:	linux-wireless@...r.kernel.org
CC:	Netdev@...r.kernel.org, Stanislaw Gruszka <sgruszka@...hat.com>,
	Gertjan van Wingerde <gwingerde@...il.com>
Subject: BUG: rt2x00usb: Vendor Request 0x07 failed

Hello,

I'm a running a sheeva plug (ARM/kirkwood) with a rt2800 USB stick in AP mode.
Bus 001 Device 002: ID 1737:0071 Linksys WUSB600N v1 Dual-Band Wireless-N Network Adapter [Ralink RT2870]

kernel is v3.0.3 +
http://www.spinics.net/lists/linux-wireless/msg74377.html
(see http://git.pengutronix.de/?p=mkl/linux-2.6.git;a=shortlog;h=refs/heads/wireless/rt2x00/v3.0.3)

With the patch the oops is gone, but after a few hours it fails with:

[30971.764840] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x0438 with error -71.
[30975.519840] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x06 failed for offset 0x0408 with error -71.
[30978.890840] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x06 failed for offset 0x0408 with error -71.
[30982.389845] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x0438 with error -71.
[30987.200842] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x101c with error -71.
[30990.795843] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x101c with error -71.
...
[31306.426842] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x101c with error -71.
[31306.437366] phy0 -> rt2x00usb_regbusy_read: Error - Indirect register access failed: offset=0x0000101c, value=0xc003ec28
[31309.647841] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x06 failed for offset 0x6888 with error -71.
..
[31838.105841] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x101c with error -71.
[31838.116386] phy0 -> rt2x00usb_regbusy_read: Error - Indirect register access failed: offset=0x0000101c, value=0xc003ec28
[31841.327840] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x101c with error -71.
...
[32043.619842] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x101c with error -71.
[32046.830843] phy0 -> rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x101c with error -71.
[32048.956352] INFO: task hostapd:1499 blocked for more than 120 seconds.
[32048.962920] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[32048.970801] hostapd         D c02d85e0     0  1499      1 0x00000000
[32048.977234] [<c02d85e0>] (schedule+0x478/0x4e8) from [<c02d9370>] (__mutex_lock_slowpath+0x64/0x88)
[32048.986352] [<c02d9370>] (__mutex_lock_slowpath+0x64/0x88) from [<bf378f5c>] (rt2x00usb_vendor_request_buff+0x24/0xb8 [rt2x00usb])
[32048.998185] [<bf378f5c>] (rt2x00usb_vendor_request_buff+0x24/0xb8 [rt2x00usb]) from [<bf38d034>] (rt2x00usb_register_read+0x34/0x44 [rt2800usb])
[32049.011243] [<bf38d034>] (rt2x00usb_register_read+0x34/0x44 [rt2800usb]) from [<bf381d74>] (rt2800_config_shared_key+0xc4/0x11c [rt2800lib])
[32049.023958] [<bf381d74>] (rt2800_config_shared_key+0xc4/0x11c [rt2800lib]) from [<bf36aac0>] (rt2x00mac_set_key+0x138/0x14c [rt2x00lib])
[32049.036410] [<bf36aac0>] (rt2x00mac_set_key+0x138/0x14c [rt2x00lib]) from [<bf34379c>] (ieee80211_key_disable_hw_accel+0x80/0xd0 [mac80211])
[32049.049221] [<bf34379c>] (ieee80211_key_disable_hw_accel+0x80/0xd0 [mac80211]) from [<bf343810>] (__ieee80211_key_destroy+0x24/0x6c [mac80211])
[32049.062285] [<bf343810>] (__ieee80211_key_destroy+0x24/0x6c [mac80211]) from [<bf343bf4>] (ieee80211_key_link+0x10c/0x134 [mac80211])
[32049.074471] [<bf343bf4>] (ieee80211_key_link+0x10c/0x134 [mac80211]) from [<bf33c3f8>] (ieee80211_add_key+0x104/0x130 [mac80211])
[32049.086392] [<bf33c3f8>] (ieee80211_add_key+0x104/0x130 [mac80211]) from [<bf306cc8>] (nl80211_new_key+0xec/0x110 [cfg80211])
[32049.097834] [<bf306cc8>] (nl80211_new_key+0xec/0x110 [cfg80211]) from [<c027542c>] (genl_rcv_msg+0x1bc/0x204)
[32049.107835] [<c027542c>] (genl_rcv_msg+0x1bc/0x204) from [<c02748e0>] (netlink_rcv_skb+0x50/0xac)
[32049.116769] [<c02748e0>] (netlink_rcv_skb+0x50/0xac) from [<c0275264>] (genl_rcv+0x18/0x24)
[32049.125172] [<c0275264>] (genl_rcv+0x18/0x24) from [<c02742ac>] (netlink_unicast+0x230/0x2cc)
[32049.133754] [<c02742ac>] (netlink_unicast+0x230/0x2cc) from [<c027466c>] (netlink_sendmsg+0x28c/0x324)
[32049.143132] [<c027466c>] (netlink_sendmsg+0x28c/0x324) from [<c0242a78>] (sock_sendmsg+0xac/0xd4)
[32049.152067] [<c0242a78>] (sock_sendmsg+0xac/0xd4) from [<c0243d50>] (__sys_sendmsg+0x1c4/0x258)
[32049.160829] [<c0243d50>] (__sys_sendmsg+0x1c4/0x258) from [<c0244830>] (sys_sendmsg+0x3c/0x60)
[32049.169510] [<c0244830>] (sys_sendmsg+0x3c/0x60) from [<c002fbc0>] (ret_fast_syscall+0x0/0x2c)

The vendor requests 0x06 and 0x07 keep failing with some rt2x00usb_regbusy_read.

cheers,
Marc
-- 
Pengutronix e.K.                  | Marc Kleine-Budde           |
Industrial Linux Solutions        | Phone: +49-231-2826-924     |
Vertretung West/Dortmund          | Fax:   +49-5121-206917-5555 |
Amtsgericht Hildesheim, HRA 2686  | http://www.pengutronix.de   |


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