Bug#555835: [usb-storage] linux-image-2.6.30-2-686: Unusual usb storage Samsung YP-CP3 not working
On Fri, 20 Nov 2009, Vitaly Kuznetsov wrote:
> Alan Stern <stern@rowland.harvard.edu> writes:
>
> >> > +/* Reported by Vitaly Kuznetsov <vitty@altlinux.ru> */
> >> > +UNUSUAL_DEV( 0x04e8, 0x5122, 0x0000, 0x9999,
> >> > + "Samsung",
> >> > + "YP-CP3",
> >> > + US_SC_DEVICE, US_PR_DEVICE, NULL,
> >> > + US_FL_MAX_SECTORS_64 | US_FL_FIX_INQUIRY | US_FL_FIX_CAPACITY |
> > US_FL_BULK_IGNORE_TAG),
> >
> > This is highly questionable. How can you be sure all those flags are
> > really needed? Have you collected a usbmon trace to find out what's
> > actually going wrong?
> >
> > Alan Stern
>
> Hello Alan,
>
> as I answered Matthew Dharm yesterday this was not minimal set needed to
> get device working properly.
> So, the minimum is US_FL_MAX_SECTORS_64 | US_FL_BULK_IGNORE_TAG
I would still like to see a usbmon trace showing what happens with
US_FL_BULK_IGNORE_TAG and _without_ US_FL_MAX_SECTORS_64.
Alan Stern
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