From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: karim@opersys.com
Cc: Jens Axboe <axboe@suse.de>,
Linux Kernel list <linux-kernel@vger.kernel.org>
Subject: Re: ide-cd vs. DMA
Date: Tue, 24 May 2005 13:24:50 +1000 [thread overview]
Message-ID: <1116905090.4992.7.camel@gaston> (raw)
In-Reply-To: <42929F2F.8000101@opersys.com>
On Mon, 2005-05-23 at 23:27 -0400, Karim Yaghmour wrote:
> Benjamin Herrenschmidt wrote:
> > hdb: command error: status=0x51 { DriveReady SeekComplete Error }
> > hdb: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 }
> > ide: failed opcode was: unknown
> > end_request: I/O error, dev hdb, sector 42872
>
> Got plenty of these an old Dell Optiplex GX1 (PIII-450) with
> vanilla FC3. ... you've got to wonder when the kernel says there
> are bad sectors on a CD (?) and then they disappear with:
> hdparm -d0 /dev/hdc
Well, not sure what's wrong here, but ATAPI errors shouldn't normally
result in stopping DMA. We may want to just blacklist your drive rather
than having this stupid fallback. In this case, I suspect it's
CSS/region issue with a DVD.
Ben.
next prev parent reply other threads:[~2005-05-24 3:25 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-23 23:42 ide-cd vs. DMA Benjamin Herrenschmidt
2005-05-24 3:27 ` Karim Yaghmour
2005-05-24 3:24 ` Benjamin Herrenschmidt [this message]
2005-05-24 3:59 ` Karim Yaghmour
2005-05-24 4:03 ` Benjamin Herrenschmidt
2005-05-25 1:31 ` Kurt Wall
2005-05-25 16:12 ` Lennart Sorensen
2005-05-26 14:29 ` Alan Cox
-- strict thread matches above, loose matches on Subject: below --
2005-05-24 4:26 Chad Kitching
2005-05-24 4:42 ` Benjamin Herrenschmidt
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=1116905090.4992.7.camel@gaston \
--to=benh@kernel.crashing.org \
--cc=axboe@suse.de \
--cc=karim@opersys.com \
--cc=linux-kernel@vger.kernel.org \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.