Re: urtw0: could not allocate USB transfers

From: Etienne Robillard <erob_at_gthcfoundation.org>
Date: Thu, 03 Mar 2011 09:00:23 -0500
On 03/03/11 08:25 AM, Hans Petter Selasky wrote:
> On Thursday 03 March 2011 14:07:52 Etienne Robillard wrote:
>   
>> ieee80211_newstate_cb
>>     
> Hi,
>
> I think the problem is in the ieee80211 layer not draining its taskqueues 
> properly and/or other activities. It crashes in USB because it is accessing 
> freed memory or NULL pointers most likely.
>
> --HPS
> X-UID: 11309
> Status: 
> X-Keywords:                                                                         
> Content-Length: 0
>
>   
nice debugging!

out of curiosity, what is OFDM and why is it faster than "unknown
subtype" as
when using rt2870 ?

$ dmesg
run0: <1.0> on usbus1
run0: MAC/BBP RT2872 (rev 0x0202), RF RT2720 (MIMO 1T2R), address
00:14:d1:67:a5:de
run0: firmware RT2870 loaded
run0: 11b rates: 1Mbps 2Mbps 5.5Mbps 11Mbps
run0: 11g rates: 1Mbps 2Mbps 5.5Mbps 11Mbps 6Mbps 9Mbps 12Mbps 18Mbps
24Mbps 36Mbps 48Mbps 54Mbps
t_delta 15.fd8648f984182166 too short
wlan0: bpf attached
wlan0: bpf attached
wlan0: Ethernet address: 00:14:d1:67:a5:de
wlan0: link state changed to UP
$ kldload /boot/kernel/ipfw.ko
link_elf_obj: symbol in6_clearscope undefined
linker_load_file: Unsupported file type

wlan0: link state changed to DOWN
wlan0: link state changed to UP


$ ifconfig
wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
    ether 00:00:00:00:00:00
    inet 192.168.0.101 netmask 0xffffff00 broadcast 192.168.0.255
    media: IEEE 802.11 Wireless Ethernet OFDM/12Mbps mode 11g
    status: associated
    ssid dlink2 channel 2 (2417 MHz 11g) bssid 00:00:00:00:00:00
    country US authmode OPEN privacy OFF txpower 0 bmiss 7 scanvalid 60
    protmode CTS wme


Cheers! :)

-- 

Etienne Robillard

Company: Green Tea Hackers Club
Occupation: Software Developer (and CEO)
E-mail:     erob_at_gthcfoundation.org
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Received on Thu Mar 03 2011 - 13:00:24 UTC

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