On Tue, 23 Aug 2005 15:14:38 +0200 Paul Rolland wrote: > I've just rebooted a machine, and the eagle ADSL modem I was using, > presented as /proc/bus/usb/002/005 in now presented as > /proc/bus/usb/002/003 (same bus, but device ID changed from 5 to 3). > > Is this an expected behavior, when running a 2.4.31 kernel ?
Yes. Addresses for USB devices are assigned dynamically. If you disconnect the modem from USB and connect it again, its address will change. > I would have been expecting some more stability in the numbering across > reboot, the same way IDE disks numbers are stable. Use some other identifier which is stable - e.g., serial number of the USB device (unfortunately, many devices don't have it).
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