Re: udev rules help
On 2016-08-31 09:51, Elan Ruusamäe wrote:
On 31.08.2016 10:47, Jacek Konieczny wrote:
# 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.
i mean the RUN+= part is never executed no matter what rules i write.
even only the ACTION="add" part
Is the rule actually matched?
Maybe there is some other rule later with RUN= instead of RUN+=?
Have you tried "change" instead of "add"? Handling "add" only often
causes problems (the device is not fully set up, or the "add" was
handled long before the rule become available (e.g. in initramfs)).
Jacek
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Re: udev rules help
On 31.08.2016 10:47, Jacek Konieczny wrote:
# 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.
i mean the RUN+= part is never executed no matter what rules i write.
even only the ACTION="add" part
--
glen
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Re: udev rules help
On 2016-08-31 07:28, Elan Ruusamäe wrote:
i'm trying to write udev rule to start service when usb device is attached
here'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.
Jacek
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udev rules help
hi
i'm trying to write udev rule to start service when usb device is attached
here'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"
# udevadm info -a -e
...
P: /devices/pci:00/:00:06.0/usb4/4-2
N: bus/usb/004/006
E: BUSNUM=004
E: DEVNAME=/dev/bus/usb/004/006
E: DEVNUM=006
E: DEVPATH=/devices/pci:00/:00:06.0/usb4/4-2
E: DEVTYPE=usb_device
E: DRIVER=usb
E: ID_BUS=usb
E: ID_MODEL=Smart_Card_Reader_USB
E: ID_MODEL_ENC=Smart\x20Card\x20Reader\x20USB
E: ID_MODEL_FROM_DATABASE=CardMan 1021
E: ID_MODEL_ID=1021
E: ID_REVISION=0100
E: ID_SERIAL=OMNIKEY_Smart_Card_Reader_USB
E: ID_USB_INTERFACES=:0b:
E: ID_VENDOR=OMNIKEY
E: ID_VENDOR_ENC=OMNIKEY
E: ID_VENDOR_FROM_DATABASE=OmniKey AG
E: ID_VENDOR_ID=076b
E: MAJOR=189
E: MINOR=389
E: PRODUCT=76b/1021/100
E: SUBSYSTEM=usb
E: TYPE=0/0/0
E: USEC_INITIALIZED=98884670622
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?
--
glen
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