From mboxrd@z Thu Jan  1 00:00:00 1970
From: erik quanstrom <quanstro@quanstro.net>
Date: Tue, 20 Oct 2009 15:33:19 -0400
To: 9fans@9fans.net
Message-ID: <1fed73d586d55546ac4c190148c84cb2@ladd.quanstro.net>
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Subject: [9fans] usb disk error
Topicbox-Message-UUID: 8c7972d6-ead5-11e9-9d60-3106f5b1d025

i don't recall getting these before.  this seems
like new behavior.  i got 4 of these when downloading
4gb of pictures from a sd card.  never in
the same place twice.  sb600 ohci controller.

disk... reset: device is detached

it seems that umsrecover -> umsreset -> usbcmd and

	if(usbcmd(ums->dev, r, Umsreset, 0, 0, nil, 0) < 0){
>		fprint(2, "disk: reset: %r\n");

i don't see exactly where it is, but could this be
a timeout issue?  that's the main difference i see
between now and the previous time.  turning on
debugging might not help.  there's just too much
of it.  sometimes it's many gb of transfer before
an error.

- erik