* USB class hotplug confusion
@ 2004-02-22 9:33 Andrey Borzenkov
0 siblings, 0 replies; only message in thread
From: Andrey Borzenkov @ 2004-02-22 9:33 UTC (permalink / raw)
To: linux-hotplug-devel; +Cc: linux-kernel
Since some time running -mm produces
cat: /sys//class/usb/lp0/bNumConfigurations: No such file or directory
/etc/hotplug/usb.agent: line 144: [: too many arguments
there is no wonder as
{pts/2}% l /sys/class/usb/lp0
dev device@ driver@
apparently in addition to "normal" USB events we get extra class
events; I must admit I do not understand what "class" is for and why
usblp is using it but e.g. joystick (that I have as well) does not.
Is there simple way to simply ignore those events in usb.agent? Or
better yet - is it possible to specify different agents for "device" and
"class" events? As kernel provides both they are presumed to be
different and require different actions?
-andrey
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