[rt2x00-users] Kernel panic using tshark w/ rt61

Stanislaw Gruszka sgruszka at redhat.com
Tue Jan 10 02:15:01 AEDT 2012


On Mon, Jan 09, 2012 at 02:47:32PM +0100, Kai Wohlfahrt wrote:
> Hi all, I have a problem - specifically whenever I use tshark to capture on
> wlan0 (my Ralink card), I get a kernel panic after 200-400s. Capturing on
> lo is fine. After asking at gentoo forums I was told it was a wireless bug,
> so I would like to ask for help here. If this is the wrong place, please
> let me know where I should go instead!
> 
> Here is all the relevant detail I can think of, let me know if you need any
> more:
> distro: gentoo
> kernel version: 3.2.0 (vanilla-sources)
> tshark version: 1.6.4
> lspci says: 05:01.0 Network controller: RaLink RT2561/RT61 rev B 802.11g
> Screenshots of the panic - if you have trouble reading them I can type them
> up, just let me know:
> http://www.flickr.com/photos/54553851@N02/6340640411/ (slightly older,
> kernel 3.0.6 I think)
> http://www.flickr.com/photos/54553851@N02/6666139451/ (most recent, 3.2.0)
> Kernel .config: http://pastebin.com/ExZSi2c5
> Let me know if you need any more information.

One fedora user reported this problem (on rt73usb though):
https://bugzilla.redhat.com/show_bug.cgi?id=769766

There is patch, which should workaround/fix the crash. I'm still
investigating if this is the best possible fix ...

Stanislaw





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