From: Andrew Pam <xanni@glasswings.com.au>
To: andre@linux-ide.org
Cc: linux-kernel@vger.kernel.org
Subject: Re: Initialisation bug in IDE patch
Date: Wed, 22 May 2002 15:55:15 +1000 [thread overview]
Message-ID: <20020522155515.F2437@kira.glasswings.com.au> (raw)
In-Reply-To: <20020522151510.A2437@kira.glasswings.com.au>
On Wed, May 22, 2002 at 03:15:10PM +1000, Andrew Pam wrote:
> In the latest available kernel 2.2 IDE patch "ide-2.2.20.01102002.patch"
> there is a bug that prevents ide_setup in drivers/block/ide.c
> from accepting kernel parameters selecting special IDE hardware.
>
> The ide_init_default_hwifs() function in include/asm-*/ide.h fails to
> initialise the "hw_regs_t hw" variable, thus leaving uninitialised data
> in some fields. Specifically, the "chipset" field is uninitialised which
> causes the "if (hwif->chipset != ide_unknown)" test in drivers/block/ide.c
> to always fail with the error message " -- BAD OPTION".
This bug also appears to be present in the mainline 2.4 kernel IDE code.
I haven't checked the 2.5 code yet.
Regards,
Andrew Pam
--
mailto:xanni@xanadu.net Andrew Pam
http://www.xanadu.com.au/ Chief Scientist, Xanadu
http://www.glasswings.com.au/ Technology Manager, Glass Wings
http://www.sericyb.com.au/ Manager, Serious Cybernetics
http://two-cents-worth.com/?105347&EG Donate two cents to our work!
P.O. Box 477, Blackburn VIC 3130 Australia Phone +61 401 258 915
next prev parent reply other threads:[~2002-05-22 5:52 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-05-22 5:15 Andrew Pam
2002-05-22 5:55 ` Andrew Pam [this message]
2002-05-22 6:00 ` Andre Hedrick
2002-05-22 6:11 ` Andrew Pam
2002-05-22 6:18 ` Andre Hedrick
2002-05-22 6:34 ` Andrew Pam
2002-05-22 6:57 ` Andrew Pam
2002-05-22 6:59 ` Andre Hedrick
2002-05-22 7:05 ` Andrew Pam
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=20020522155515.F2437@kira.glasswings.com.au \
--to=xanni@glasswings.com.au \
--cc=andre@linux-ide.org \
--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 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®