[Bug 12654] New: gnome-vfs-daemon/gnome-settings-daemon at 100% cpu

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http://bugzilla.ubuntu.com/show_bug.cgi?id=12654
Ubuntu | gnome-vfs2

           Summary: gnome-vfs-daemon/gnome-settings-daemon at 100% cpu
           Product: Ubuntu
           Version: unspecified
          Platform: i386
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: gnome-vfs2
        AssignedTo: seb128 at ubuntu.com
        ReportedBy: glen at lincor.com
         QAContact: desktop-bugs at lists.ubuntu.com


I am seeing a problem with Hoary where gnome-vfs-daemon and gnome-settings
daemon are viaing for 
the top spot in CPU usage terms. Here is a paste from what top is showing.

 8441 glen      25   0 16232 3532 2784 R 98.7  0.3 466:11.03 gnome-vfs-daemo
 8378 glen      25   0 19088 8628 6276 S 93.1  0.8 463:36.32 gnome-settings-

After attaching an strace to both processes I can see that they seem to be stuck
in some tight poll

gnome-settings-daemon
ioctl(3, FIONREAD, [0])                 = 0
poll([{fd=20, events=POLLIN}, {fd=3, events=POLLIN}, {fd=25,
events=POLLIN|POLLPRI}, {fd=27, events=POLLIN}, {fd=29, events=POLLIN|POLLPRI},
{fd=30, events=POLLIN|POLLPRI}, {fd=31, events=POLLIN|POLLPRI}, {fd=35,
events=POLLIN|POLLPRI}, {fd=34, events=POLLIN|POLLPRI}, {fd=36,
events=POLLIN|POLLPRI}, {fd=32, events=POLLIN, revents=POLLNVAL}], 11, -1) = 1
<repeat>

gnome-vfs-daemon
poll([{fd=21, events=POLLIN}, {fd=23, events=POLLIN|POLLPRI}, {fd=25,
events=POLLIN}, {fd=28, events=POLLIN, revents=POLLNVAL}, {fd=27,
events=POLLIN}], 5, -1) = 1
<repeat>

I use USB2 devices and mount/unmount them via the Nautilus UI (well they
automount, but I unmount from the popup menu). I've an uptime of 5 days and my
last reboot was to sort this problem out. I'm not sure when exactly the cpu
usage issue started to happen after the last reboot.

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