From: Mike Lampard <mike@mtgambier.net>
To: linux-kernel@vger.kernel.org
Cc: stern@rowland.harvard.edu
Subject: Re: long-term regression with some usb mass storage devices
Date: Fri, 20 Feb 2009 18:11:52 +1030 [thread overview]
Message-ID: <200902201811.52801.mike@mtgambier.net> (raw)
In-Reply-To: <200902201717.43522.mike@mtgambier.net>
added CC
On Fri, 20 Feb 2009 05:17:42 pm Mike Lampard wrote:
> Hi All,
>
> I recently plonked a dvd into my usb-attached Pioneer DVR-107d only to find
> that the current kernels no longer saw the drive as DVD capable. In fact,
> the kernel no longer saw _any_ features of the drive: sr0: scsi3-mmc drive:
> 0x/0x caddy. After much bisecting and even more blind luck I narrowed the
> problem down to this commit:
>
> commit bdb2b8cab4392ce41ddfbd6773a3da3334daf836
> Author: Alan Stern <stern@rowland.harvard.edu>
> Date: Tue Jun 24 14:03:14 2008 -0400
>
> [SCSI] erase invalid data returned by device
>
> This patch (as1108) fixes a problem that can occur with certain USB
> mass-storage devices: They return invalid data together with a residue
> indicating that the data should be ignored. Rather than leave the
> invalid data in a transfer buffer, where it can get misinterpreted,
> the patch clears the invalid portion of the buffer.
>
> This solves a problem (wrong write-protect setting detected) reported
> by Maciej Rutecki and Peter Teoh.
>
> Regards
> Mike
> --
> 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/
next prev parent reply other threads:[~2009-02-20 7:42 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-20 6:47 Mike Lampard
2009-02-20 7:41 ` Mike Lampard [this message]
2009-02-20 15:15 ` Alan Stern
2009-02-20 15:42 ` Mike Lampard
2009-02-20 19:15 ` Alan Stern
2009-02-21 6:43 ` Mike Lampard
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=200902201811.52801.mike@mtgambier.net \
--to=mike@mtgambier.net \
--cc=linux-kernel@vger.kernel.org \
--cc=stern@rowland.harvard.edu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®