[rt2x00-users] Ralink rt73 USB Wireless adapter crashes kernel 2.6.37

[Leonardo Luiz Padovani da Mata]

Maybe this is also related:
https://lkml.org/lkml/2010/9/28/404


On Thu, Feb 3, 2011 at 9:37 AM, Eric Fernandez <zeb at zebulon.org.uk> wrote:
> Hi,
>
> I have reported this issue on the linux-wireless list, but was advised
> to post on that list specifically.
> I use an Edimax EW-7318USG adapter that uses the rt73usb module. My
> distro is Archlinux 64 on Gigabyte ga-p55m-ud2 with i7 860 processor.
> I use the proprietary nvidia driver.
>
> After the kernel has been upgraded to kernel 2.6.37, I noticed random
> crashes which I did not have with kernel 2.6.36. The system freezes
> entirely, and sound loops for a few seconds. Only a hard reboot works.
> On restart, I do not see any message in the kernel log whatsoever,
> which makes the problem difficult to diagnose. Often, I need to unplug
> my wireless adapter to make it work again (gkrellm shos that it is
> trying to send packets to the router, but never downloads anything).
>
> However, the problem entirely disappears if I downgrade to kernel
> 2.6.36, or if I use a wired Ethernet conection instead of wireless
> with kernel 2.6.37. Furthermore, this happens especially when doing
> heavy browsing (many tabs in Firefox) or watching videos on Youtube,
> and seeking within the video.
>
> I found out or was told that crashing issues specific to rt73usb with
> kernel 2.6.37 has been reported in various ways:
>
> 1) http://rt2x00.serialmonkey.com/pipermail/users_rt2x00.serialmonkey.com/2011-January/002935.html
> since it reports a crash issue specific to 2.6.37 that did not happen
> in 2.6.36 (started with
> http://rt2x00.serialmonkey.com/pipermail/users_rt2x00.serialmonkey.com/2010-December/002868.html).
>
> 2) http://rt2x00.serialmonkey.com/pipermail/users_rt2x00.serialmonkey.com/2011-February/003109.html
> What Leonardo is reporting might be the same manifestation of the same issue.
>
> 3) This issue seems to affect other users from other distributions:
> http://ubuntuforums.org/showthread.php?t=1613049&page=2 "There is a
> fairly easy to trigger crash in this one with my USB Ralink
> Technology, Corp. RT2501/RT2573 Wireless Adapter (rt73/rt2x00lib). I
> am trying to get a proper snapshot of the trace for a report but at
> least people might want to be a bit careful."
> or
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/673682
>
> I would be very keen to help squashing this issue, unfortunately as I
> wrote, I do not get any messages in the log when that happens. I
> cannot confirm if I can ssh to the computer, as I only have one.
>
> Is there a way to increase the verbosity of crash messages, hoping to
> capture what happens when the system is freezing ?
>
> I hope this helps.
> Eric
>
> _______________________________________________
> users mailing list
> users at rt2x00.serialmonkey.com
> http://rt2x00.serialmonkey.com/mailman/listinfo/users_rt2x00.serialmonkey.com
>



-- 
Leonardo Luiz Padovani da Mata

International Syst S/A
Metasys Tecnologia
Software Engineer Metasys MeeGo Team

leonardol at metasys.com.br
+55-31-3503-9040

"May the force be with you, always"
"Nerd Pride... eu tenho. Voce tem?"