Re: Help: undesired 10 seconds delay in creating USB devices

From: Greg KH
Date: Thu Oct 23 2008 - 15:16:23 EST

On Thu, Oct 23, 2008 at 01:11:00PM -0300, Gu, Mingkun wrote:

Please stop sending email in HTML format, the mailing lists reject it.

> [MKGU>] My device driver name is "usbled". Our USB device has
> VendorID=11b4. After I unplugged the USB cable connecting to this device
> and kept the device driver "usbled" remaining loaded, I plugged in the
> USB cable back to the system again. I could see the device information
> retrieved from /proc/bus/usb/devices immediately but the device name
> /dev/usbled0 was seen after near 10 seconds.

That sounds like a udev script issue, not a kernel issue, correct?

> > If you run 'udevadm monitor', does it show a 10 second delay?
> [MKGU>] I don't have the program 'udevadm' on my system.

Do you have the program 'udevmonitor'? I suggest trying that.


greg k-h
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