Re: Does sysfs really provides persistent hardware path to devices?
From: Greg KH (greg_at_kroah.com)
Date: 07/26/03
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Date: Sat, 26 Jul 2003 13:07:14 -0400 To: "J.C. Wren" <jcwren@jcwren.com>
On Sat, Jul 26, 2003 at 12:59:03PM -0400, J.C. Wren wrote:
> Specifically using your example of USB memories, I have seen devices move
> around just because of rebooting. I have a Sandisk SDDR-31 (MMC) and a
> SDDR-33 (CF) that remain plugged into the same USB ports all the time.
> Occasionally, they come up swapped (normally the MMC reader is /dev/sda),
> which is really infuriating, since my scripts for building MMC and CF cards
> then exhibit much breakage.
Test out udev's ability to name devices based on bus topology (the USB
bus topology doesn't change for you.) It should solve your problem.
thanks,
greg k-h
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- Previous message: Con Kolivas: "[PATCH] O9int for interactivity"
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