linux-kernel - Re: [Regression] 2.6.31-git: tty change broke resume from hibernation on MSI Wind U100

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Date:	Sun, 27 Sep 2009 12:47:16 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Alan Cox <alan@...ux.intel.com>,
	LKML <linux-kernel@...r.kernel.org>,
	pm list <linux-pm@...ts.linux-foundation.org>,
	Greg KH <gregkh@...e.de>
Subject: Re: [Regression] 2.6.31-git: tty change broke resume from
 hibernation on MSI Wind U100

On Sat, 26 Sep 2009 00:38:21 +0200
"Rafael J. Wysocki" <rjw@...k.pl> wrote:

> Hi Alan,
> 
> As stated at http://bugzilla.kernel.org/show_bug.cgi?id=14229, your commit
> b50989dc444599c8b21edc23536fc305f4e9b7d5
> (tty: make the kref destructor occur asynchronously) appears to have broken
> resume from hibernation on MSI Wind U100.
> 
> I verified that hibernation works correctly with this commit reverted.
> 
> I'm still not sure what the root cause of the problem is, though.

The root cause is that the patch to fix the console async/sync behaviour
went into Andrews tree, back out of it and vanished.

It's a known bug, with a known confirmed fix. You may want to pick it up
and submit it as there is no tty maintainer currently.
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