Hi, On Wed, Feb 11, 2015 at 10:07 AM, temp sha <temp.sha@xxxxxxxxx> wrote: > Hi All, > > I am trying to enable hotplugging for usb on my h/w based on 2.6.16 kernel. I am not sure if you still can get support for such old version. > The hotplug kernel module is enabled and I have registered a user > script "test.sh" > with the proc file system. > > > /root # echo "/bin/test.sh" > /proc/sys/kernel/hotplug > > ------------------- > /root # cat /proc/sys/kernel/hotplug > /bin/test.sh > ------------------- > > /root # cat /bin/test.sh > > #!/bin/sh > echo "my hotplug script" but I am sure this is not the right way to debug a bash script. See below. > ------------------- > > I observed that even on plug-in and plug-out my usb device, the > hotplug script "test.sh" > is not getting executed though I see that kobject_uevent() of How do you know the script is not executed? because you did not see 'my hot plug script' printout? I don't know much about /proc/.../hotplug, but I believe it executes script callbacks without stdin/out, so there should have no console to display the echo messages. I guess you could direct the echo messages to a file in your script to debug it, for example echo "my hot plug script" >> /tmp/hotplug-debug.log Regards, -Bin. > kobject_uevent.c is getting called > with proper "uevent_helper" and "subsystem" values. Those are > "/bin/test.sh" and "usb" respectively in this case. Is there any thing > I am missing here ? (udev is not supported > in my device.) > > > Thanks in advance. > -- > To unsubscribe from this list: send the line "unsubscribe linux-usb" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
