[SOLVED] Endless UDev uevents from DVD Drive

After a recent (large) update, I seem to be getting nonstop UDev uevents from my DVD Drive. The first thing I noticed after performing the update and rebooting was that the "Waiting for UDev uevents to be processed" message timed out and failed. Everything else seemed fine, so I used udevadm to see if I could find anything:
$ udevadm monitor
monitor will print the received events for:
UDEV - the event which udev sends out after rule processing
KERNEL - the kernel uevent
UDEV [1307739081.593903] change /devices/pci0000:00/0000:00:1c.4/0000:03:00.1/ide1/1.0/block/hdc (block)
KERNEL[1307739081.602768] change /devices/pci0000:00/0000:00:1c.4/0000:03:00.1/ide1/1.0/block/hdc (block)
UDEV [1307739081.620546] change /devices/pci0000:00/0000:00:1c.4/0000:03:00.1/ide1/1.0/block/hdc (block)
KERNEL[1307739081.629459] change /devices/pci0000:00/0000:00:1c.4/0000:03:00.1/ide1/1.0/block/hdc (block)
UDEV [1307739081.647213] change /devices/pci0000:00/0000:00:1c.4/0000:03:00.1/ide1/1.0/block/hdc (block)
KERNEL[1307739081.656111] change /devices/pci0000:00/0000:00:1c.4/0000:03:00.1/ide1/1.0/block/hdc (block)
UDEV [1307739081.673838] change /devices/pci0000:00/0000:00:1c.4/0000:03:00.1/ide1/1.0/block/hdc (block)
KERNEL[1307739081.682778] change /devices/pci0000:00/0000:00:1c.4/0000:03:00.1/ide1/1.0/block/hdc (block)
UDEV [1307739081.700991] change /devices/pci0000:00/0000:00:1c.4/0000:03:00.1/ide1/1.0/block/hdc (block)
KERNEL[1307739081.709447] change /devices/pci0000:00/0000:00:1c.4/0000:03:00.1/ide1/1.0/block/hdc (block)
UDEV [1307739081.727307] change /devices/pci0000:00/0000:00:1c.4/0000:03:00.1/ide1/1.0/block/hdc (block)
KERNEL[1307739081.736115] change /devices/pci0000:00/0000:00:1c.4/0000:03:00.1/ide1/1.0/block/hdc (block)
UDEV [1307739081.753807] change /devices/pci0000:00/0000:00:1c.4/0000:03:00.1/ide1/1.0/block/hdc (block)
KERNEL[1307739081.762773] change /devices/pci0000:00/0000:00:1c.4/0000:03:00.1/ide1/1.0/block/hdc (block)
UDEV [1307739081.780494] change /devices/pci0000:00/0000:00:1c.4/0000:03:00.1/ide1/1.0/block/hdc (block)
KERNEL[1307739081.789424] change /devices/pci0000:00/0000:00:1c.4/0000:03:00.1/ide1/1.0/block/hdc (block)
UDEV [1307739081.807156] change /devices/pci0000:00/0000:00:1c.4/0000:03:00.1/ide1/1.0/block/hdc (block)
Which goes on forever, with dozens of lines per second. hdc is my DVD drive, but nothing has changed there (I've had it for a few years now). Something is definitely wrong, though, as
a) another machine I have with Arch does not show so many messages when running udevadm monitor
and
b) when I open my DVD drive, the messages stop briefly, but it promptly closes itself and the messages continue
UDev was one of the almost 70 packages I updated (from 168 to 171). I suspect something may have gone wrong in updating UDev, otherwise I can post my pacman.log later.
Thoughts?
Last edited by Mystal (2011-06-11 17:18:58)

Still not entirely sure what was the initial cause, but after today's kernel upgrade (2.6.38.8 -> 2.6.39.1), all the messages are gone and UDev starts normally once more. I guess this is solved.

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[SOLVED] Endless UDev uevents from DVD Drive

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