On Tue, 30 Jan 2007 13:08:19 -0500 (EST)
Alan Stern <[EMAIL PROTECTED]> wrote:

> On Sat, 27 Jan 2007, Soeren Sonnenburg wrote:
> 
> > Dear all,
> > 
> > I am trying to use a P990 phone in via mass storage under linux. I was
> > able to copy data to/from the phone without trouble under winxp but
> > receive millions of I/O errors (see below (*), basically on any sector).
> > As this was also happening on a casio camera (and working on winxp) I
> > tried a couple of things to nail this down:
> 
> ...
> 
> > 4) I enabled usb mass storage verbose debug output and collected 2 runs
> > of I/O once with the sandisk and one with the P990 (attached as sandisk
> > and p990)
> 
> ...
> 
> > Now I am clueless what could have gone wrong (as I *think* this was all
> > working at some point at least before firmware updates) and what the
> > difference between these mass storage devices is.
> 
> The log revealed that the phone's firmware returns garbage values in the 
> Residue field for some WRITEs.  This patch should take care of it.
> 
> Alan Stern
> 
> 
> 
> Index: usb-2.6/drivers/usb/storage/unusual_devs.h
> ===================================================================
> --- usb-2.6.orig/drivers/usb/storage/unusual_devs.h
> +++ usb-2.6/drivers/usb/storage/unusual_devs.h
> @@ -1318,12 +1318,13 @@ UNUSUAL_DEV(  0x0fce, 0xe031, 0x0000, 0x
>               US_SC_DEVICE, US_PR_DEVICE, NULL,
>               US_FL_FIX_CAPACITY ),
>  
> -/* Reported by Jan Mate <[EMAIL PROTECTED]> */
> +/* Reported by Jan Mate <[EMAIL PROTECTED]>
> + * and by Soeren Sonnenburg <[EMAIL PROTECTED]> */
>  UNUSUAL_DEV(  0x0fce, 0xe030, 0x0000, 0x0000,
>               "Sony Ericsson",
>               "P990i",
>               US_SC_DEVICE, US_PR_DEVICE, NULL,
> -             US_FL_FIX_CAPACITY ),
> +             US_FL_FIX_CAPACITY | US_FL_IGNORE_RESIDUE ),
>  
>  /* Reported by Kevin Cernekee <[EMAIL PROTECTED]>
>   * Tested on hardware version 1.10.

This fixes the phone, but what's the situation with that Casio camera?
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to