Hi, I have a spare hard disk I don't touch the most of the time. Due to a strange reason, a change uevent is triggered some random time of the day (like 4 or more times) and then, of course, udev apply the rules, being one of them a rule which runs vol_id which then wakes up my spinned-down hard disk (debugged with echoing a 1 to /proc/sys/vm/block_dump and udevadm monitor). Well, what i want to know is if it's possible to know why the kernel is triggering the uevent in the first place. Grepping the documentation of the kernel I don't see anything about it. I know I can just comment the watch line in /lib/udev/rules.d/60-persistent-storage.rules but I wanted to know more. I'm using Archlinux which currently uses kernel 2.6.28.8 and udev 140. Thanks in advance.
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