linux-kernel - Re: Bug in current -git tree causing dbus and gnome to chew up cpu time

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Date:	Wed, 14 Feb 2007 10:47:27 +0100
From:	"Alessandro Suardi" <alessandro.suardi@...il.com>
To:	"Greg KH" <greg@...ah.com>
Cc:	torvalds@...ux-foundation.org, agruen@...e.de, neilb@...e.de,
	viro@...iv.linux.org.uk, hch@....de, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: Re: Bug in current -git tree causing dbus and gnome to chew up cpu time

On 2/13/07, Greg KH <greg@...ah.com> wrote:
> Hi,
>
> I've used 'git bisect' to track down a change in the latest git tree
> that is causing dbus-daemon to sit and spin at the time GNOME launches,
> preventing nautlius from ever running.
>
> The bad commit is:
> commit eb3dfb0cb1f4a44e2d0553f89514ce9f2a9fcaf1
> Author: Andreas Gruenbacher <agruen@...e.de>
> Date:   Mon Feb 12 00:51:47 2007 -0800
>
>     [PATCH] Fix d_path for lazy unmounts
>
> With that patch out, GNOME startup works just fine.  I have a strace of
> the dbus process running showing the problem, if anyone thinks that will
> help out any.
>
> I'm running pretty new GNOME and dbus here:
>         dbus 1.0.2
>         gnome 2.16.2
>         hal 0.5.7.1
>         nautilus 2.16.3
>
> Any ideas of things I can test?

Just to add a data point, I see the same problem (startx never
 completes, gnome-vfs-daemon keeps getting forked by dbus
 to no end) on 2.6.20-git9 while -git7 is fine, and my pieces are
 from FC6 updates as of two days ago or so:

[asuardi@...dman ~]$ rpm -q dbus gnome-vfs2 hal nautilus
dbus-1.0.1-9.fc6
gnome-vfs2-2.16.2-2.fc6
hal-0.5.8.1-6.fc6
nautilus-2.16.2-7.fc6

Since the patch breaks userspace in a deadly way, I guess
 it should be reverted until an usable version of the fix can
 be found. And yes, I'm up for testing of course.

--alessandro

 "but I thought that I should let you know
  the things that I don't always show
  might not be worth the time it took"

     (Steve Wynn, 'If My Life Was An Open Book')
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