On Sat, Nov 10, 2007 at 10:10:24AM +0530, Onkar wrote:
> # cat /sys/bus/pci/devices/0000\:00\:14.1/uevent
>
> cat: /sys/bus/pci/devices/0000:00:14.1/uevent: Permission denied
You are using an older kernel, newer ones you can read from this file:
$ cat /sys/bus/usb/devices/usb1/uevent
MAJOR=189
MINOR=0
DEVTYPE=usb_device
DRIVER=usb
DEVICE=/proc/bus/usb/001/001
PRODUCT=0/0/206
TYPE=9/0/1
BUSNUM=001
DEVNUM=001
> what is uevent ?
It is what udev and other hotplug programs use to cause the kernel to
emit the uevent for the device after it has been plugged in. This is so
"coldplugging" can be done easily. If you write the name of the uevent
you wish to have the object emit (like "add") it will happen.
Hope this helps,
greg k-h
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