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Date: Tue, 26 May 2009 10:26:58 +0800
Message-ID: <d82e647a0905251926yc165bfcteb4e78ab1d0162c6@mail.gmail.com>
Subject: Re: 2.a.30-rc7: fat filesystem misdetected as amiga
From: Ming Lei <tom.leiming@gmail.com>
To: Kay Sievers <kay.sievers@vrfy.org>
Cc: "Andries E. Brouwer" <Andries.Brouwer@cwi.nl>,
       "Michael S. Tsirkin" <mst@redhat.com>,
       Alan Stern <stern@rowland.harvard.edu>,
       OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>,
       Kernel development list <linux-kernel@vger.kernel.org>,
       USB list <linux-usb@vger.kernel.org>, Tejun Heo <tj@kernel.org>
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2009/5/26 Kay Sievers <kay.sievers@vrfy.org>:
> On Tue, May 26, 2009 at 00:31, Andries E. Brouwer
> <Andries.Brouwer@cwi.nl> wrote:
>
>> I can imagine that your device is a slow starter and needs some time
>> to initialize itself, so that the first, or the first few, commands fail,
>> and after that all is well.
>
> Michael, what's the value of:
>  /sys/module/usb_storage/parameters/delay_use
> ?

>>From the usbmon trace, we can find that delay_use should be 5sec, so
nothing to do with it.

ef6c5e80 3223722144 S Ci:1:006:0 s 80 06 0303 0409 00ff 255 <
ef6c5e80 3223722262 C Ci:1:006:0 0 30 = 1e033000 30003000 30003000
30003100 20002000 20002000 20002000 2000
ef6c5e80 3223722408 S Co:1:006:0 s 00 09 0001 0000 0000 0
ef6c5e80 3223722513 C Co:1:006:0 0 0
------------------------------delay
5sec----------------------------------------------------
ef48ab00 3228749167 S Ci:1:006:0 s a1 fe 0000 0000 0001 1 <
ef48ab00 3228749297 C Ci:1:006:0 0 1 = 00


-- 
Lei Ming