In message <http://marc.info/?l=openbsd-misc&m=128731581124975&w=1>
I wrote:
> My primary laptop ("nitrogen") died, so I moved its disk to a backup
> laptop ("oxygen").  That laptop then died. :(  I have now moved the
> former-nitrogen-disk to an external enclosure so that I can access my
> files via USB from still another laptop ("silver").
> 
> When I connect the USB cable to silver I see the usual dmesg lines.
> But the former-nitrogen-disk contents are "wierd":
[[...]]

One other piece of information:

With the former-nitrogen-disk external USB disk enclosure plugged
into silver, I get the following USB-devices dump:
# usbdevs -vvv
Controller /dev/usb0:
addr 1: high speed, self powered, config 1, EHCI root hub(0x0000), 
Intel(0x8086), rev 1.00
 port 1 powered
 port 2 powered
 port 3 powered
 port 4 powered
Controller /dev/usb1:
addr 1: high speed, self powered, config 1, EHCI root hub(0x0000), 
Intel(0x8086), rev 1.00
 port 1 addr 3: high speed, self powered, config 1, USB 2.0  IDE 
DEVICE(0x6600), Super Top(0x14cd), rev 2.01, iSerialNumber \u202
 port 2 powered
 port 3 powered
 port 4 powered
 port 5 addr 2: high speed, power 500 mA, config 1, HP Webcam(0x09b8), 
Logitech(0x046d), rev 60.51
 port 6 powered
 port 7 powered
 port 8 powered
Controller /dev/usb2:
addr 1: full speed, self powered, config 1, UHCI root hub(0x0000), 
Intel(0x8086), rev 1.00
 port 1 powered
 port 2 powered
Controller /dev/usb3:
addr 1: full speed, self powered, config 1, UHCI root hub(0x0000), 
Intel(0x8086), rev 1.00
 port 1 powered
 port 2 powered
Controller /dev/usb4:
addr 1: full speed, self powered, config 1, UHCI root hub(0x0000), 
Intel(0x8086), rev 1.00
 port 1 powered
 port 2 powered
Controller /dev/usb5:
addr 1: full speed, self powered, config 1, UHCI root hub(0x0000), 
Intel(0x8086), rev 1.00
 port 1 powered
 port 2 powered
# 

Comparing the output with and without the external disk enclosure plugged
in shows that the entry for the external disk is the one for /dev/usb1
port 1 addr 3.

ciao,

-- 
-- "Jonathan Thornburg [remove -animal to reply]" 
<[email protected]>
   Dept of Astronomy, Indiana University, Bloomington, Indiana, USA
   "Washing one's hands of the conflict between the powerful and the
    powerless means to side with the powerful, not to be neutral."
                                      -- quote by Freire / poster by Oxfam

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