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SubjectRe: [Rt2400-devel] 2.6.25-rc2 regression in rt61pci wireless driver
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On Thursday 21 February 2008, Chris Vine wrote:
> On Wed, 2008-02-20 at 21:16 +0000, Chris Vine wrote:
> > On Wed, 2008-02-20 at 21:50 +0100, Ivo van Doorn wrote:
> > [snip]
> > > On Wednesday 20 February 2008, Chris Vine wrote:
> > > > I did that yesterday and it just reported a kernel panic on the terminal
> > > > with the message:
> > > >
> > > > Kernel panic - not syncing: Aiee, killing interrupt handler!
> > >
> > > I have an idea, could you try below patch?
> > > Note that while applying it will mention something about a line offset, but that can be ignored.
> > >
> > > This could perhaps also fix the TX/RX issue mentioned earlier in the thread, but I am not
> > > quite sure about that.
> >
> > The patch applied OK (with some offsets as you say) but it doesn't help.
> > The kernel panic still occurs when association is attempted.
>
> Here's some further information.
>
> I have a fully functioning version of rt2x00-2.0.14 and mac80211 from
> wireless-2.6/compat-wireless-2.6 of mid January which works fine on
> kernel 2.6.24. On doing a comparison with the rt2x00 in vanilla kernel
> 2.6.25-rc2, there are no material differences. (There was a slight
> change in the declaration a variable in rt2x00usb.c but it is
> immaterial.)
>
> I compiled up the working mid-January version of rt2x00 and mac80211
> under kernel 2.6.25-rc2 and I get exactly the same result as I reported
> earlier, namely I get a kernel panic as soon as I try to associate. It
> looks therefore as if something has changed within the remainder of the
> kernel which has caused rt2x00 (and possibly mac80211?) to break.
>
> This probably explains the problem another user reported with rt61.

Perhaps something similar like:
http://bugzilla.kernel.org/show_bug.cgi?id=10058
in there a reference is made to the following patch:
ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.25-rc2/2.6.25-rc2-mm1/broken-out/revert-send-a-single-notification-on-device-state-changes.patch

Does applying that help?

Ivo


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