Date: Sun, 27 Sep 2009 20:52:38 -0400 From: Mike Tancsa <mike@sentex.net> To: Robert Noland <rnoland@freebsd.org>, "Daniel O'Connor" <doconnor@gsoft.com.au> Cc: freebsd-stable@freebsd.org Subject: Re: Excessivly cheap USB device issue Message-ID: <200909280052.n8S0qCpL032199@lava.sentex.ca> In-Reply-To: <1254062842.2048.1467.camel@balrog.2hip.net> References: <200909280009.28658.doconnor@gsoft.com.au> <1254062842.2048.1467.camel@balrog.2hip.net>
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At 10:47 AM 9/27/2009, Robert Noland wrote:
> > Sep 27 14:29:18 midget kernel: da1: Attempt to query device size
> failed: NOT READY, Medium not present
> >
> > If I connect a CF card to da1 and run 'fdisk da1' I get..
> > [midget 0:06] ~ >fdisk da1
> > load: 0.29 cmd: fdisk 69630 [cgticb] 1.50r 0.00u 0.00s 0% 1160k
> > load: 0.19 cmd: fdisk 69630 [cbwait] 24.42r 0.00u 0.00s 0% 1160k
> > load: 0.19 cmd: fdisk 69630 [cbwait] 27.01r 0.00u 0.00s 0% 1160k
> > fdisk: unable to get correct path for da1: Input/output error
> >
> > [midget 0:05] ~ >sudo usbconfig -u 5 -a 2 dump_device_desc
> > ugen5.2: <Mass Storage Device Generic> at usbus5, cfg=0 md=HOST
> spd=HIGH (480Mbps) pwr=ON
> >
> > bLength = 0x0012
> > bDescriptorType = 0x0001
> > bcdUSB = 0x0200
> > bDeviceClass = 0x0000
> > bDeviceSubClass = 0x0000
> > bDeviceProtocol = 0x0000
> > bMaxPacketSize0 = 0x0040
> > idVendor = 0x058f
> > idProduct = 0x6362
> > bcdDevice = 0x0129
> > load: 0.21 cmd: usbconfig 69643 [WCTRL] 1.73r 0.00u 0.00s 0% 1080k
> > iManufacturer = 0x0001 <retrieving string failed>
> > load: 0.19 cmd: usbconfig 69643 [WCTRL] 8.56r 0.00u 0.00s 0% 1104k
> > iProduct = 0x0002 <retrieving string failed>
> > iSerialNumber = 0x0003 <retrieving string failed>
> > bNumConfigurations = 0x0001
> >
> > Perhaps some quirk would help but I'm not sure which one :)
>
>I also have a similar device, which I've been messing with a bit the
>last couple of days. In your case, it isn't seeing the media, just the
>"drive". I've had to try various combinations of unplugging the adapter
>from usb, inserting the media then plugging it back in. It does seem to
>work fairly reliably if you boot with the media already inserted, but it
>doesn't seem to detect media change at all.
I get around it (on my cheap reader) by always doing a
cat /dev/null > /dev/da1
whever I change or insert new media into the reader
That seems to work with the gear I have 99% of the time.
---Mike
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