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Today's Topics:
1. RT2870 adapter: Unreliable connection with WPA2 network
(Paul Menzel)
----------------------------------------------------------------------
Message: 1
Date: Wed, 17 Jul 2013 00:23:46 +0200
From: Paul Menzel <[email protected]>
To: [email protected]
Subject: [rt2x00-users] RT2870 adapter: Unreliable connection with
WPA2 network
Message-ID: <1374013426.27023.23.camel@mattotaupa>
Content-Type: text/plain; charset="utf-8"
Dear rt2x00 folks,
the following device is used.
$ lsusb # Trendnet TEW-624UB
[?]
Bus 003 Device 005: ID 148f:2870 Ralink Technology, Corp. RT2870
Wireless Adapter
[?]
Recently the access point (router) was replaced (now a D-Link WIRELESS
ROUTER) and the WLAN changed from a WPA network to a WPA2 CCMP PSK
network.
Since then the connection (in the local network) has been very
unreliable. Pinging the router, a lot of packets are dropped. Sometimes
there is no response received at all. Another system with a ath5k device
works flawlessly.
With Linux 3.10 and debugging enabled, the system even freezes sometimes
because the rt2x00 driver seems to be stuck in an endless loop.
Disconnecting the USB device does not help either. Connecting over
serial, I see that the screen is flooded with the following messages.
[?]
[ 8085.809702] phy5 -> rt2800usb_entry_txstatus_timeout: Warning - TX
status timeout for entry 5 in queue 0
[ 8085.819385] phy5 -> rt2800usb_entry_txstatus_timeout: Warning - TX
status timeout for entry 5 in queue 0
[ 8085.829020] phy5 -> rt2800usb_entry_txstatus_timeout: Warning - TX
status timeout for entry 5 in queue 0
[ 8085.838653] phy5 -> rt2800usb_entry_txstatus_timeout: Warning - TX
status timeout for entry 5 in queue 0
[ 8085.848444] phy5 -> rt2800usb_entry_txstatus_timeout: Warning - TX
status timeout for entry 11 in queue 2
[ 8085.858170] phy5 -> rt2800usb_entry_txstatus_timeout: Warning - TX
status timeout for entry 12 in queue 2
[ 8085.867890] phy5 -> rt2800usb_entry_txstatus_timeout: Warning - TX
status timeout for entry 12 in queue 2
[ 8085.877936] phy5 -> rt2800usb_txdone: Warning - Got TX status for an
empty queue 0, dropping
[ 8085.881015] phy5 -> rt2800usb_entry_txstatus_timeout: Warning - TX
status timeout for entry 13 in queue 2
[ 8085.881374] phy5 -> rt2800usb_entry_txstatus_timeout: Warning - TX
status timeout for entry 13 in queue 2
[ 8085.905909] phy5 -> rt2800usb_entry_txstatus_timeout: Warning - TX
status timeout for entry 13 in queue 2
[ 8085.906016] phy5 -> rt2800usb_entry_txstatus_timeout: Warning - TX
status timeout for entry 13 in queue 2
[ 8085.906373] phy5 -> rt2800usb_entry_txstatus_timeout: Warning - TX
status timeout for entry 13 in queue 2
[ 8085.906748] phy5 -> rt2800usb_entry_txstatus_timeout: Warning - TX
status timeout for entry 13 in queue 2
[?]
Another observation is, that once a SSH connection is established it
seems to be quite responsive. But trying to access a Web site does not
work nevertheless.
Are these issues known? Instructions or hints how to debug this further
are very much appreciated.
Thanks,
Paul
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