lkml.org 
[lkml]   [2007]   [Jan]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
SubjectRe: [linux-usb-devel] 2.6.20-rc6 SCSI error: I/O error - trouble with mass storage devices ?!
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 <mate@fiit.stuba.sk> */
+/* Reported by Jan Mate <mate@fiit.stuba.sk>
+ * and by Soeren Sonnenburg <kernel@nn7.de> */
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 <kpc-usbdev@gelato.uiuc.edu>
* Tested on hardware version 1.10.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-01-30 19:11    [W:0.050 / U:0.060 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site