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Date: Wed, 7 Oct 2009 12:37:20 -0400 (EDT)
From: Alan Stern <stern@rowland.harvard.edu>
X-X-Sender: stern@iolanthe.rowland.org
To: Oliver Neukum <oliver@neukum.org>
cc: admin@prnet.org, <linux-usb@vger.kernel.org>,
       Greg Kroah-Hartman <gregkh@suse.de>,
       Alan Cox <alan@lxorguk.ukuu.org.uk>, <linux-kernel@vger.kernel.org>
Subject: Re: 2.6.31.2 : error when ending apcupsd
In-Reply-To: <200910071323.34819.oliver@neukum.org>
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On Wed, 7 Oct 2009, Oliver Neukum wrote:

> Am Mittwoch, 7. Oktober 2009 12:37:45 schrieb admin@prnet.org:
> > Hi,
> >
> > With kernel 2.6.31.2 I get the following error when I ending apcupsd:
> >
> > Oct  6 21:00:46 server apcupsd[5238]: apcupsd exiting, signal 15
> > Oct  6 21:00:46 server BUG: unable to handle kernel paging request at
> > ffff880130a6d858
> > Oct  6 21:00:46 server IP: [<ffffffff8124ba55>]
> > tty_port_close_start+0xc5/0x1d0
> 
> This looks like tty_port_close_start() is called with port == NULL
> And the new tty code went in with .2. I have to defer this to the Alans.

More context from the log, please.

Alan Stern

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