linux-kernel - Re: "netpoll: re-enable irq in poll_napi()" breaks boot with netconsole

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Message-ID: <20120829193252.GA2767@joi.lan>
Date:	Wed, 29 Aug 2012 21:32:52 +0200
From:	Marcin Slusarz <marcin.slusarz@...il.com>
To:	David Miller <davem@...emloft.net>
Cc:	amwang@...hat.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: "netpoll: re-enable irq in poll_napi()" breaks boot with
 netconsole

On Wed, Aug 29, 2012 at 02:59:47PM -0400, David Miller wrote:
> From: Marcin Slusarz <marcin.slusarz@...il.com>
> Date: Wed, 29 Aug 2012 20:53:29 +0200
> 
> > Kernel 3.6-rc3 does not boot for me with netconsole enabled, while 3.6-rc2 did.
> > I bisected it to commit 6bdb7fe31046ac50b47e83c35cd6c6b6160a475d "netpoll:
> > re-enable irq in poll_napi()" and reverting it on top of current Linus' tree
> > restores proper behaviour (disabling netconsole does this too).
> > "Not booting" manifests as immediate hang after network card enabling.
> 
> Fix is already pending, thanks:
> 
> http://patchwork.ozlabs.org/patch/179954/

It works for me. Thanks.

Marcin
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