linux-kernel - Re: [2.6.23-rc4-mm1][Bug] kernel BUG at include/linux/netdevice.h:339!

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Message-Id: <20070917.161333.38709774.davem@davemloft.net>
Date:	Mon, 17 Sep 2007 16:13:33 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	akpm@...ux-foundation.org
Cc:	kamalesh@...ux.vnet.ibm.com, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [2.6.23-rc4-mm1][Bug] kernel BUG at
 include/linux/netdevice.h:339!

From: Andrew Morton <akpm@...ux-foundation.org>
Date: Mon, 17 Sep 2007 14:16:22 -0700

> On Mon, 17 Sep 2007 17:46:38 +0530
> Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com> wrote:
> 
> > Kernel Bug is hit with 2.6.23-rc4-mm1 kernel on ppc64 machine.
> > 
> > kernel BUG at include/linux/netdevice.h:339!
> 
> (please cc netdev@...r.kernel.org on networking-related matters)
> 
> You died here:
> 
> static inline void napi_complete(struct napi_struct *n)
> {
>         BUG_ON(!test_bit(NAPI_STATE_SCHED, &n->state));
> 
> The NAPI changes have had a few problems and hopefully things have
> been fixed up since then.  I'll try to get rc6-mm1 out this evening,
> so please retest that?

And if you trigger this still it is absolutely critical that
you tell us what networking device driver you are using at
the time.
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