On Mon, Dec 27, 2010 at 10:17 AM, Camaleón <noela...@gmail.com> wrote:
> On Sun, 26 Dec 2010 15:58:08 -0800, briand wrote:
>
>> how do I know that "SerialNumber" is a valid udev key other than the
>> fact that it is listed in dmesg when the device is plugged in.
>
> For instance, my USB key has at least one "ATTRS{serial}" value:
>
> s...@stt008:~$ udevinfo -a -p /sys/block/sdc | grep serial
> ATTRS{serial}=="0000:00:1a.7"
>
> But not my internal hard disks, neither from udevinfo:
>
> s...@stt008:~$ udevinfo -a -p /sys/block/sda | grep serial
> s...@stt008:~$ udevinfo -a -p /sys/block/sdb | grep serial
> s...@stt008:~$
Question:
You use the equivalent of "udevadm info --attribute-walk --path=/sys/block/sda".
What if you use "udevadm info --query=property --path=/sys/block/sda"
and it outputs an "ID_SERIAL"? Can it be used in a udev rule?
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