linux-kernel - Re: [PATCH 4/7] hvc_console: Fix race between hvc_close and hvc

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Message-ID: <20100326115233.30288d3c@lxorguk.ukuu.org.uk>
Date:	Fri, 26 Mar 2010 11:52:33 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Sachin Sant <sachinp@...ibm.com>
Cc:	Amit Shah <amit.shah@...hat.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Greg Kroah-Hartman <gregkh@...e.de>, a.p.zijlstra@...llo.nl,
	Rusty Russell <rusty@...tcorp.com.au>,
	linux-kernel@...r.kernel.org, linuxppc-dev@...abs.org,
	Anton Blanchard <anton@...ba.org>, tglx@...utronix.de,
	Linus Torvalds <torvalds@...ux-foundation.org>, mingo@...e.hu
Subject: Re: [PATCH 4/7] hvc_console: Fix race between hvc_close and
 hvc_remove

> >> mount: can't find /root/proc in /etc/fstab or /etc/mtab
> >> /sbin/smart_agetty: can not determine 'console' speed
> >>     
> >
> > OK, this gets even murkier. I don't know why taking a few krefs modifies
> > hvc_console behaviour to such an extent.

Can you see if the agetty is getting a hangup or open failing. I wonder
if its just a timing change ?

Alan
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