On 2016-08-31 07:28, Elan Ruusamäe wrote:
i'm trying to write udev rule to start service when usb device is attachedhere's what i got. yet it doesn't work # grep add /etc/udev/rules.d/80-idcard.rules SUBSYSTEM=="usb", ACTION=="add", ENV{DEVTYPE}=="usb_device", ENV{ID_MODEL}=="*Smart*Card*Reader*", RUN+="/sbin/service pcscd start"
What init do you use. This _might_ work with systemd, as 'service' just shcedules a systemd job, but won't work with rc-scripts, as udev rules are not allowed to start long running processes.
udev rules are not a place for starting daemons, which is well documented thing.
i even tried something very simple: ACTION=="add", RUN+="/sbin/service pcscd start" that also didn't work (attaching device did not start the service), how to debug this?
Just don't do this. Switch to systemd and use systemd device dependencies in the .service file to start the service.
If you want to stick with rc-scripts, then wait for the device in the init script.
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