Arch Linux

cardinals_fan

Member

From: /dev/null

Registered: 2008-02-03

Posts: 248

upgrade to kernel 2.6.26.2-1 and my ralink-based wireless adapter

The latest upgrades (kernel26, rt2500, etc.) are causing me major problems with my wireless adapter.  It's a junky Belkin model which uses the rt73usb driver (part of the rt2500 package, I believe).  Anyway, after the upgrade, if/iwconfig returns no wlan0 interface.  Modprobing the rt73usb driver doesn't help.  I also see a blur of ugly looking text at bootup that seems to relate to my USB hub - but that's probably an unrelated issue.

Is anyone else having problems?

EDIT: This should probably be moved to Kernel & Hardware Issues.  I'm acting stupid today...

Last edited by cardinals_fan (2008-08-11 21:07:01)

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Segmentation fault (core dumped)

krist

Member

Registered: 2007-09-27

Posts: 10

Re: upgrade to kernel 2.6.26.2-1 and my ralink-based wireless adapter

I've had issues with rt73usb after upgrading to 2.6.26, too. The kernel even oopsed when plugging the adapter in (you might refer to it by writing "a blur of ugly looking text" ).

I'm currently testing a small patch borrowed from the Ubuntu guys and it does the trick so far. See here:
https://bugs.launchpad.net/ubuntu/+sour … bug/249242 (bug report)
https://launchpad.net/ubuntu/intrepid/+ … .6.26-5.14 (patch file)

The portion fixing it for me is this:

--- linux-2.6.26.orig/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ linux-2.6.26/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -1198,8 +1198,10 @@
         * Stop all queued work. Note that most tasks will already be halted
         * during rt2x00lib_disable_radio() and rt2x00lib_uninitialize().
         */
-       flush_workqueue(rt2x00dev->workqueue);
-       destroy_workqueue(rt2x00dev->workqueue);
+       if (rt2x00dev->workqueue) {
+               flush_workqueue(rt2x00dev->workqueue);
+               destroy_workqueue(rt2x00dev->workqueue);
+       }
 
        /*
         * Free ieee80211_hw memory.

Best,
Christian

Last edited by krist (2008-08-12 23:24:26)

cardinals_fan

Member

From: /dev/null

Registered: 2008-02-03

Posts: 248

Re: upgrade to kernel 2.6.26.2-1 and my ralink-based wireless adapter

Thanks for the tip.  I'm using the opportunity to mess about with other distros for a bit, but when I find my way back to Arch I'll remember that

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Segmentation fault (core dumped)

krist

Member

Registered: 2007-09-27

Posts: 10

Re: upgrade to kernel 2.6.26.2-1 and my ralink-based wireless adapter

Uh-oh, what have I done. I should've obfusciated the forbidden U* word ;-) - No, just kidding.

The rt2x00 hackers seem to have already addressed the problem (in fact they have once again reorganized and changed lots, who knows what happens after the next kernel upgrade...), so you have to wait until the next kernel version hits the repos if you don't like to bake your own.

(If I understand the Arch bug reporting policy correctly this cearly is an upstream bug and reporting it to the Arch bug tracking system is pointless)

I could also pass the rt2x00lib.ko module or even whole kernel26 pkg including the patch to you as a quick and dirty drop in replacement if you like.

cardinals_fan

Member

From: /dev/null

Registered: 2008-02-03

Posts: 248

Re: upgrade to kernel 2.6.26.2-1 and my ralink-based wireless adapter

It's OK, I'll fix it once I'm done tweaking SliTaz (a really interesting little distro, BTW).

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Segmentation fault (core dumped)