linux-kernel - linux-2.6.31 INIT: open(/dev/console): Input/output error (due to commit b50989dc444599c8b21edc23536fc305f4e9b7d5)

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Date:	Thu, 24 Sep 2009 21:24:45 +0800
From:	Jeff Chua <jeff.chua.linux@...il.com>
To:	lkml <linux-kernel@...r.kernel.org>,
	Alan Cox <alan@...ux.intel.com>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: linux-2.6.31 INIT: open(/dev/console): Input/output error (due to 
	commit b50989dc444599c8b21edc23536fc305f4e9b7d5)

Latest linux pull few days ago broke the console.

The error during boot up while switching from init S to M showed

INIT: open(/dev/console): Input/output error


Reverting this commit solves the problem. This is 100% repeatable on a
"real" machine, but does not show up on kvm or vmware guest console.


commit b50989dc444599c8b21edc23536fc305f4e9b7d5
Author: Alan Cox <alan@...ux.intel.com>
Date:   Sat Sep 19 13:13:22 2009 -0700

    tty: make the kref destructor occur asynchronously

    We want to be able to sleep in the destructor for USB at least. It isn't a
    hot path so just pushing it to a work queue doesn't really cause any
    difficulty.

    Signed-off-by: Alan Cox <alan@...ux.intel.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>



Thanks,
Jeff
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