Date: Thu, 03 Mar 2011 09:00:23 -0500 From: Etienne Robillard <erob@gthcfoundation.org> To: Hans Petter Selasky <hselasky@c2i.net> Cc: freebsd-current@freebsd.org, bschmidt@freebsd.org Subject: Re: urtw0: could not allocate USB transfers Message-ID: <4D6F9EF7.3020707@gthcfoundation.org> In-Reply-To: <201103031425.58176.hselasky@c2i.net> References: <4D66C4CB.1060207@2egos.de> <201103031242.02741.hselasky@c2i.net> <4D6F92A8.6020707@gthcfoundation.org> <201103031425.58176.hselasky@c2i.net>
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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@gthcfoundation.org
Work phone: 450-936-2123
Website (Company): https://gthc.org/
Website (Blog): https://gthc.org/blog/
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