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Bug#650495: linux-image-3.1.0-1-amd64: oops



On Wed, 2011-11-30 at 03:05 -0600, Jonathan Nieder wrote:
> Hi Tim,
> 
> Tim Connors wrote:
> 
> > ** Tainted: PWCO (5633)
> >  * Proprietary module has been loaded.
> >  * Taint on warning.
> >  * Module from drivers/staging has been loaded.
> >  * Out-of-tree module has been loaded.
> 
> Thanks for reporting this, but we're not going to look into it unless
> you can reproduce it without the nvidia driver.  Sorry.
> 
> If you can reproduce it with the nvidia driver and not without, that's
> fine too, since in that case we can pass it on to the nvidia driver
> packagers (who would presumably help you file a report with nvidia).

Actually this bug is really obvious (to me).  It's this change:

commit 4924f44b97a034dbf44c14b709b0b0907ee23f04
Author: Eric Dumazet <eric.dumazet@gmail.com>
Date:   Mon Jul 4 17:57:10 2011 -0700

    b44: use dev_kfree_skb() in b44_tx()

Eric didn't take into account that b44_poll() masks IRQs while calling
b44_tx().  So we need to revert that (or fix b44_tx() to not do that, as
it's unlikely to be necessary).

Ben.

-- 
Ben Hutchings
Tomorrow will be cancelled due to lack of interest.

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