From: Juergen Bausa <Juergen.Bausa@web.de>
To: linux-hotplug@vger.kernel.org
Subject: udev remove problems
Date: Sat, 25 Aug 2007 22:22:12 +0000 [thread overview]
Message-ID: <1531272489@web.de> (raw)
udev remove problems
I am using udev 0.105-4 on debian etch. I am trying to setup rules for pvr (hard disk recorder)
that is connected to my system via usb. Add and remove events should start scripts. The add
event works fine:
ACTION="add", SYSFS{idVendor}="11db", SYSFS{idProduct}="1000", MODE="0660", \
GROUP="toppy", RUN+="/usr/local/bin/tf5000pvr_udev"
In my first try, I used the following for remove:
ACTION="remove", SYSFS{idVendor}="11db", SYSFS{idProduct}="1000", \
RUN+="/usr/local/bin/tf5000pvr_udev"
This did not work (in the case of remove nothing happens). I think its because sysfs
values are already gone in case of an remove event. I found a hint on this on the web
and tried the following:
ACTION="add", SYSFS{idVendor}="11db", SYSFS{idProduct}="1000", MODE="0660", \
GROUP="toppy", RUN+="/usr/local/bin/tf5000pvr_udev", ENV{toppy}="%p"
ACTION="remove", ENV{toppy}="%p" , RUN+="/usr/local/bin/tf5000pvr_udev"
But it makes no difference: add works fine, but remove doesnt. I used udevmonitor --env
to see what is happening and found the following:
...
UDEV [1188080046.847665] remove@/devices/pci0000:00/0000:00:0b.1/usb1/1-2/1-2.1/usbdev1.8_ep00
UDEV_LOG=3
ACTION=remove
DEVPATH=/devices/pci0000:00/0000:00:0b.1/usb1/1-2/1-2.1/usbdev1.8_ep00
SUBSYSTEM=usb_endpoint
SEQNUM\x1132
MAJORD2
MINOR=7
UDEVD_EVENT=1
toppy=/devices/pci0000:00/0000:00:0b.1/usb1/1-2/1-2.1/usbdev1.8_ep00
DEVNAME=/dev/usbdev1.8_ep00
...
So, the variable is saved and found on the remove event, but the script isnt called. What is wrong here?
Juergen
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next reply other threads:[~2007-08-25 22:22 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-25 22:22 Juergen Bausa [this message]
2007-08-25 22:42 ` udev remove problems Kay Sievers
2007-08-26 21:46 ` Juergen Bausa
2007-08-26 22:10 ` Kay Sievers
2007-08-28 19:48 ` Juergen Bausa
2007-08-29 4:26 ` Kay Sievers
2007-08-29 19:32 ` Juergen Bausa
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