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Date:      Mon, 26 Mar 2012 08:55:33 +0900
From:      Kaho Toshikazu <vinwa@elam.kais.kyoto-u.ac.jp>
To:        Andriy Gapon <avg@freebsd.org>
Cc:        Alexander Motin <mav@freebsd.org>, freebsd-current@freebsd.org, day1234@hotmail.com, freebsd-usb@freebsd.org, Hans Petter Selasky <hselasky@c2i.net>
Subject:   Re: USB Flash drive problem with 9.0
Message-ID:  <1782.1332719733@pf2.ed.niigata-u.ac.jp>
References:  <COL112-W354F702F0F2A3DDF718D49B7460@phx.gbl> <201203230825.32954.hselasky@c2i.net> <17628.1332555469@pf2.ed.niigata-u.ac.jp> <4F6D9672.4050201@FreeBSD.org> <2087.1332651759@pf2.ed.niigata-u.ac.jp> <4F6EF03E.6060001@FreeBSD.org>

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  Hello, Andriy Gapon and ML members,

> Date: Sun, 25 Mar 2012 13:15:26 +0300
>
> on 25/03/2012 08:02 Kaho Toshikazu said the following:
> >   Hello Andriy Gapon,
> > Thank you for your comment.
> > 
> >> Message-ID: <4F6D9672.4050201@FreeBSD.org>
> >> Date: Sat, 24 Mar 2012 11:40:02 +0200
> >>
> >> on 24/03/2012 04:17 Kaho Toshikazu said the following:
> >>>   Hello,
> >>>
> >>>   I have a similar problem with Transcend 16GB USB flash. When the flash
> >>> is plugged, FreeBSD attache it, but reports very big capacity and can
> >>> not read/write it. UQ_MSC_NO_INQUIRY makes jobs in my machines.
> >>> 10-current and 8-stable have same problem, and 9-stable is not tested.
> >>
> >> Could the problem be related to r229288 (r232943 in stable/9)?
> >> The dates below match the MFC date 2012-03-13.
> > 
> >   10-current r233336 with reveting only scsi_da.c changed by
> > r233288 has same problem. Should I revert whole system ?
> > 
> 
> Sorry, it seems that I copied wrong revisions into my email.
> They should have been r232941 for stable/9 and r228846 for head.

  Yes, r228846 for current is related this problem. 10-current reverting
scsi/scsi_da.c introduced by r228846 detects valid capacity and
can read/write USB flash. USB flash may be died of "READ CAPACITY(16)".

> 
> -- 
> Andriy Gapon

--
Kaho Toshikazu



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