From owner-freebsd-usb@FreeBSD.ORG  Wed Sep 20 09:18:18 2006
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From: Hans Petter Selasky <hselasky@c2i.net>
To: freebsd-usb@freebsd.org
Date: Wed, 20 Sep 2006 11:18:32 +0200
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Cc: Juergen Lock <nox@jelal.kn-bremen.de>
Subject: Re: umass0: BBB reset failed, TIMEOUT (again)
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On Wednesday 20 September 2006 03:11, Juergen Lock wrote:
> Today for the first time since this box got a new board I tried to
> copy data onto the usb cardreader, and after copying for a while it
> suddenly stopped (led stopped flashing, no further io), and after
> some time i had the above in dmesg.  And that was it, cp process
> hung, no way to kill it.  Unplugged the thing, and got the expected
> panic: vinvalbuf: dirty bufs.  Tried the same thing from linux (after
> dosfsck), and there copying stopped for a while too, but it then
> continued and finished.  Is this is some kind of new hardware quirk of
> the new board's ehci controller, that linux recovers from?  (via,
> there already is a `dropped interrupt' fix for it, which helped with
> my last board...)  I also tried building a RELENG_6 kernel (one
> of the PRs I looked at also suggested this), but it behaved the same.
> Just in case, I took a dump of that too, but I don't really know for
> what to look in there so you'd have to tell me...
>

Could you have tried my new USB driver and see if the problem is the same?

#
# First get all the sources
# (you need /usr/ports/devel/subversion installed)
#

svn --username anonsvn --password anonsvn \
      checkout svn://svn.turbocat.net/i4b

#
# The following commands will
# install the driver on FreeBSD:
#

cd i4b/trunk/i4b/FreeBSD.usb
make S=../src package
make install

#
# Then build a new kernel (with modules).
#

When the device hangs, turn on USB debugging:

sysctl hw.usb.umass.debug=-1

--HPS