From: David Brownell <david-b@pacbell.net>
To: linux-hotplug@vger.kernel.org
Subject: Re: Hotplug usb-storage device
Date: Sun, 04 Mar 2001 20:44:47 +0000 [thread overview]
Message-ID: <marc-linux-hotplug-98373900915845@msgid-missing> (raw)
In-Reply-To: <marc-linux-hotplug-98371107331076@msgid-missing>
> Is it possible get hotpluging to work on a datafab smartmedia reader.
> Ther is no problem to load the usb-storage and the sd_mod by hand and
> use it.
So the problem is only to find out why the usb.agent script doesn't
handle it. I have my guess below ... but you can debug such things
yourself pretty easily.
You can snapshot the environment variables given to the hotplug
script, or an agent, by adding a line line "env > /tmp/variables"
to the script. Then turn those into a script that just assigns and
exports (!) the variables listed up at the front ... use it to call
"sh -x usb.agent" (or "pci.agent" or whatever) to see exactly
what it's doing. With that kind of debug output, it's easy to find
and fix problems.
> Checked that the script use modules.usbmap in $KERNEL
> and it has the line for the reader.
>
> usb-storage 0x000f 0x07c4 0xa006 0x0000 0xffff 0x00
> 0x00 0x00 0x00 0x00 0x00
> 0x00000000
>
> /var/log/messages (when plugged)
>
> hub.c: USB new device connected on bus1/1, assigned device number 3
> usb.c: Usb device 3 (vend/prod 0x7c4/0xa006) is not clamed by any active
> driver.
> /etc/hotplug/usb.agent: ... no driver for USB product 7c4/a006/15
Likely you're hitting a problem in the range handling. Why don't you
just add an entry for product 07c4/a006 to /etc/hotplug/usb.handmap
that only lists product and version? (And if the current version of the
script, in CVS, needs a patch ... please submit it!)
- Dave
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next prev parent reply other threads:[~2001-03-04 20:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-03-04 13:02 Hotplug usb-storage device Kjell Claesson
2001-03-04 20:44 ` David Brownell [this message]
2001-03-05 15:57 ` Kjell Claesson
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