Re: udev “PROGRAM/RUN” command not working properly for “REMOVE” action

[Martin Wilck <mwilck@xxxxxxx>]

On Mon, 2019-02-04 at 13:19 +0100, Lennart Poettering wrote:
> 
> reading sysfs attrs is problematics from "remove" rules, as the sysfs
> device is likely to have vanished by then, as rules are executed
> asynchronously to the events they are run for.
> 
> udev will import the udev db from the last event it has seen on a
> device on "remove", but sysfs attrs are not stored in the udev
> db. hence, consider testing against udev db props here, not sysfs
> attrs.

Right. Then, maybe, udev should treat & report attempts to refer to
sysfs attributes in rules for "remove" events as errors in the first
place?

Regards,
Martin



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