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Date: Fri, 21 Aug 2009 16:47:42 -0400
From: Barney Wolff <barney@databus.com>
To: "Andrey V. Elsukov" <bu7cher@yandex.ru>
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Cc: freebsd-current@freebsd.org
Subject: Re: SONY DSC doesn't work via usb [regression]
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On Fri, Aug 21, 2009 at 10:35:59PM +0400, Andrey V. Elsukov wrote:
> Hi, All.
> 
> I tried to attach my Sony DSC-W50 camera to 8.0-BETA2 and it
> doesn't work.
> First of i got following dmesg:
> 
> ugen3.2: <Sony> at usbus3 (disconnected)
> umass0: at uhub3, port 4, addr 2 (disconnected)
> (da0:umass-sim0:0:0:0): lost device
> (da0:umass-sim0:0:0:0): removing device entry
> ugen3.2: <Sony> at usbus3
> umass0: <Sony Sony DSC, class 0/0, rev 2.00/6.00, addr 2> on usbus3
> umass0:  RBC over CBI; quirks = 0x1000
> umass0:1:0:-1: Attached to scbus1
> da0 at umass-sim0 bus 0 target 0 lun 0
> da0: <Sony Sony DSC 6.00> Removable Direct Access SCSI-0 device
> da0: 40.000MB/s transfers
> da0: 980MB (2007040 512 byte sectors: 64H 32S/T 980C)
> (da0:umass-sim0:0:0:0): Synchronize cache failed, status == 0x4, scsi 
> status == 0x0
> 
> And da0 device sometime doesn't appear, but sometime appears.
> When I try to get access to da0 i'm getting I/O error:
> 
> # mount_msdosfs -m 0664 -M 0775 /dev/da0 /mnt/
> mount_msdosfs: /dev/da0: Input/output error

On my 7-stable system, I have to use da0s1, not just da0, for an older
dsc.  Perhaps that will work for you.