Re: [PATCH] JMicron JM20337 USB-SATA data corruption bugfix -device 152d:2338

From: Alex Buell
Date: Sun Aug 03 2008 - 05:07:50 EST


On Sat, 2 Aug 2008 19:49:22 -0400 (EDT), I waved a wand and this
message magically appears in front of Alan Stern:

> > > I've done a lot of mkfs and fsck, haven't seen any problems so
> > > far. Fingers crossed that this patch works.
> >
> > Spoke too soon, that patch that was posted doesn't work for me.
> > Here's my log:
>
> Which patch? Several different ones have been posted.

This is the one that I applied:
Index: usb-2.6/drivers/usb/storage/transport.c
===================================================================
--- usb-2.6.orig/drivers/usb/storage/transport.c
+++ usb-2.6/drivers/usb/storage/transport.c
@@ -663,7 +663,7 @@ void usb_stor_invoke_transport(struct sc
}

/* Did we transfer less than the minimum amount required? */
- if (srb->result == SAM_STAT_GOOD &&
+ if ((srb->result == SAM_STAT_GOOD || srb->sense_buffer[2] == 0) && scsi_bufflen(srb) - scsi_get_resid(srb) < srb->underflow)
srb->result = (DID_ERROR << 16) | (SUGGEST_RETRY << 24);

> The log doesn't provide much help. We need to see a log with
> CONFIG_USB_STORAGE_DEBUG enabled.

Which patch should I be trying out?

Thanks,
Alex
--
http://www.munted.org.uk

Fearsome grindings.
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