linux-kernel - Re: 2.6.20-rc2-mm1 -- INFO: possible recursive locking detected

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Date:	Thu, 4 Jan 2007 23:50:02 +0000 (GMT)
From:	Hugh Dickins <hugh@...itas.com>
To:	Greg KH <gregkh@...e.de>
cc:	Miles Lane <miles.lane@...il.com>, Andrew Morton <akpm@...l.org>,
	LKML <linux-kernel@...r.kernel.org>, yi.zhu@...el.com
Subject: Re: 2.6.20-rc2-mm1 -- INFO: possible recursive locking detected

On Thu, 4 Jan 2007, Greg KH wrote:
> On Sat, Dec 30, 2006 at 02:47:20AM -0800, Miles Lane wrote:
> > Sorry Andrew, I am not sure which maintainer to contact about this.  I
> > CCed gregkh for sysfs and Yi for ipw2200.  Hopefully this is helpful.
> > BTW, I also found that none of my network drivers were recognized by
> > hal (lshal did not show their "net" entries) unless I set
> > CONFIG_SYSFS_DEPRECATED=y.  I am running Ubuntu development (Feisty
> > Fawn), so it seems like I ought to be running pretty current hal
> > utilities:   hal-device-manager       0.5.8.1-4ubuntu1.  After
> > reenabling CONFIG_SYSFS_DEPRECATED, I am able to use my IPW2200
> > driver, in spite of this recursive locking message, so this INFO
> > message may not indicate a problem.
> 
> Does this show up on the 2.6.20-rc3 kernel too?

Yes.  Well, I can't speak for Miles on Ubuntu, but I have ipw2200
on openSUSE 10.2 (using ifplugd if that matters), and have to build
my 2.6.20-rc3 with CONFIG_SYSFS_DEPRECATED=y in order to get an IP
address (no idea whether it's a hald issue in my case).  Likewise
needed CONFIG_SYSFS_DEPRECATED=y with 2.6.19-rc-mm on SuSE 10.1.

Hugh

--- 2.6.20-rc3/init/Kconfig	2007-01-01 10:30:46.000000000 +0000
+++ linux/init/Kconfig	2007-01-04 23:36:40.000000000 +0000
@@ -266,7 +266,7 @@ config SYSFS_DEPRECATED
 	  that belong to a class, back into the /sys/class heirachy, in
 	  order to support older versions of udev.
 
-	  If you are using a distro that was released in 2006 or later,
+	  If you are using a distro that was released in 2008 or later,
 	  it should be safe to say N here.
 
 config RELAY
-
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