On 09:36 Fri 14 May , Martin Pitt wrote: > Nick Bowler [2010-05-13 17:37 -0400]: > > KERNEL[1273786356.346839] change /devices/pci0000:00/0000:00:1f.2/host1/target1:0:0/1:0:0:0 (scsi) > > KERNEL[1273786361.166466] change /devices/pci0000:00/0000:00:1f.2/host1/target1:0:0/1:0:0:0/block/sr0 (block) > > Seems this is a 5 second interval. I suspect it's tied to the normal spindown time for the drive (the drive does _start_ to spin down, after all, before it gets kicked back into full gear). > Both udisks and hal poll CD-ROMs > every two seconds, so at first sight this looks slightly unrelated. > But those are the two that actually generate polling events. Does the > issue also go away after killing hald and udisks-daemon (but leaving > udevd running)? Neither hald nor udisks-daemon are even installed on the machine, let alone running. This occurs whilst running _nothing_ other than udevd (as well as during normal operation): boot with init=/bin/sh mount -t proc proc proc mount -t sysfs sysfs sys mount -t tmpfs udev dev modprobe sr-mod (insert cd: after a few seconds it spins down normally) udevd --daemon udevadm trigger (remove/insert cd: it never spins down; this is when I ran udevadm monitor) killall udevd (after a few seconds the cd spins down normally) -- Nick Bowler, Elliptic Technologies (http://www.elliptictech.com/) -- To unsubscribe from this list: send the line "unsubscribe linux-hotplug" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html