linux-kernel - Re: WARNING at tty_buffer.c:428 process_one

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Message-Id: <20130302154935.b5695346222e75562c0327e0@canb.auug.org.au>
Date:	Sat, 2 Mar 2013 15:49:35 +1100
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	David Miller <davem@...emloft.net>
Cc:	gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
	jslaby@...e.cz
Subject: Re: WARNING at tty_buffer.c:428 process_one_work()

On Fri, 01 Mar 2013 17:10:08 -0500 (EST) David Miller <davem@...emloft.net> wrote:
>
> From: Greg KH <gregkh@...uxfoundation.org>
> Date: Fri, 1 Mar 2013 13:56:09 -0800
> 
> > On Fri, Mar 01, 2013 at 04:47:11PM -0500, David Miller wrote:
> >> 
> >> I'm getting these non-stop right when the hypervisor console registers
> >> on sparc64, and the machine won't boot up properly.  This is with
> >> Linus's current tree.
> >> 
> >> [511865.556835] console [ttyHV0] enabled
> >> [511865.564555] ------------[ cut here ]------------
> >> [511865.612410] WARNING: at drivers/tty/tty_buffer.c:428 process_one_work+0x164/0x420()
> >> [511865.627846] tty is NULL
> > 
> > Sorry about this, I have a patch, from Jiri, to get to Linus after
> > 3.9-rc1 to remove the warning.  It's safe to ignore.  Maybe I should
> > just push it today, I wasn't aware that it was being hit so easily.
> 
> Ok, next I'm hitting some regression in Al Viro's signal changes when userland
> starts up. :-)

If only we had some way of testing this stuff before it gets into Linus'
tree ... ;-)

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au

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