Public bug reported:

Binary package hint: udev

Since installing udev 138-1 booting of my Jaunty system (2.6.28-8,
amd64) takes very long. udev produces high CPU load and the HDD is
continuously accessed.

Starting "udevadm monitor --kernel" shows these messages continuously
(sda is the internal HDD):

UEVENT[1235289739.054816] change   
/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda2 
(block)
UEVENT[1235289739.061110] change   
/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda2 
(block)
UEVENT[1235289739.144026] change   /devices/virtual/block/dm-2 (block)
UEVENT[1235289739.145231] change   /devices/virtual/block/dm-2 (block)
UEVENT[1235289739.148102] change   
/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda3 
(block)
UEVENT[1235289739.148850] change   
/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda3 
(block)
UEVENT[1235289739.156549] change   
/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda4 
(block)
UEVENT[1235289739.228490] change   /devices/virtual/block/dm-0 (block)
UEVENT[1235289739.403233] change   
/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda (block)
UEVENT[1235289739.419449] change   /devices/virtual/block/dm-0 (block)
UEVENT[1235289739.434304] change   /devices/virtual/block/dm-0 (block)
UEVENT[1235289739.440239] change   
/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1 
(block)
UEVENT[1235289739.442534] change   
/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1 
(block)

I assume this udev changelog entry
(http://changelogs.ubuntu.com/changelogs/pool/main/u/udev/udev_138-1/changelog)
has something to do with it:

  * New upstream release:
    - Block device nodes watched with inotify for changes and
      /dev/disk/by-{uuid,label} updated automatically.

** Affects: udev (Ubuntu)
     Importance: Undecided
         Status: New

-- 
Latest Jaunty udev generates lots of change events
https://bugs.launchpad.net/bugs/332869
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