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Re: Kernel oops in __netif_schedule() for at76c50x-usb

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On Mon, 2012-07-02 at 17:50 -0500, Larry Finger wrote:
> On 07/02/2012 12:38 PM, Johannes Berg wrote:
> >
> >>> I'm not sure which fix is correct though. Should we have software QoS
> >>> queues for these drivers, but we'll never use them? Then this would
> >>> work:
> >>> http://p.sipsolutions.net/e015bf7db9a05887.txt
> >>>
> >>> Or we could change the enable code path. Hmm.
> >>
> >> That patch does prevent the oops. I was not able to make a connection with the
> >> device, but I just acquired it, and I'm not sure of its quality, or that of the
> >> driver.
> >
> > I don't think that device works today -- IIRC it requires the BSSID
> > before authentication and that wasn't possible before the auth redesign.
> >
> >> It does scan OK, and I think the patch is OK. I'll do more tests with
> >> b43legacy later as the machine with that iface is busy. I will also test b43 on
> >> the PPC using the open-source firmware.
> >>
> >> Although you may want to change the enable code path, some patch will be needed
> >> to prevent a regression in 3.5. If this is the one, you may add a "Tested-by"
> >> for me.
> >
> > Thanks. Could you try this patch instead? I think it makes more sense.
> >
> > http://p.sipsolutions.net/c3e9b814a409ca11.txt
> 
> That one fails and gives the oops in __netif_schedule.

Hmmm, that's odd. I'll try to reproduce this to be able to track it
better.

johannes

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