From: Paolo Bonzini <pbonzini@redhat.com>
To: Gerhard Wiesinger <lists@wiesinger.com>
Cc: "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] DOS boot problem with LSI 53C895A SCSI controller and LSI option ROM
Date: Tue, 13 Nov 2012 11:50:15 +0100 [thread overview]
Message-ID: <50A225E7.5000603@redhat.com> (raw)
In-Reply-To: <50A161D5.8080005@wiesinger.com>
Il 12/11/2012 21:53, Gerhard Wiesinger ha scritto:
> On 12.11.2012 09:26, Paolo Bonzini wrote:
>> Il 10/11/2012 22:39, Gerhard Wiesinger ha scritto:
>>> Hello,
>>>
>>> I bisected down a DOS boot problem with LSI 53C895A SCSI controller and
>>> LSI option ROM to the following commit:
>>> e93176d55f1eb4be1a366b51afeaf4f4c8c31d75
>> The emulation is known to be incomplete; the option ROM is not really
>> supported, just like the support for the LSI controller in SeaBIOS is
>> not meant for real hardware.
>
>
> The option ROM worked perfect for legacy before this commit for years.
>
>> But if this is a regression, I can look at it. Problem is, I don't have
>> the option ROM and I don't think I can obtain one legally. Please
>> provide at least a trace of the SCSI commands that are sent.
>
> Yes, it is a regression problem.
>
> You can download the option ROM from the LSI homepage:
> http://www.lsi.com/support/Pages/Download-Results.aspx?productcode=P00536&assettype=0&component=Storage%20Component&productfamily=0&productname=LSI53C895A
>
> http://www.lsi.com/downloads/Public/Host%20Bus%20Adapters/Host%20Bus%20Adapters%20Common%20Files/lsi_bios.zip
>
> http://www.lsi.com/downloads/Public/SCSI%20HBAs/SCSI%20HBAs%20Common%20Files/lsi_bios.zip
>
> http://www.lsi.com/downloads/Public/SCSI%20ICs%20and%20Expanders/SCSI%20ICs%20and%20Expanders%20Common%20Files/lsi_bios.zip
>
> http://www.lsi.com/downloads/Public/Obsolete/Obsolete%20Common%20Files/lsi_bios.zip
>
>
> Trace will follow (currently very busy). Best solution to turn it on?
To start with, use "#define DEBUG_SCSI" on hw/scsi-disk.c and "#define
DEBUG_LSI" in hw/lsi53c895a.c. Then rebuild.
(There are more tracing options in trace-events, but this one should be
enough in this case).
Paolo
prev parent reply other threads:[~2012-11-13 11:26 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-10 21:39 [Qemu-devel] DOS boot problem with LSI 53C895A SCSI controller and LSI option ROM Gerhard Wiesinger
2012-11-12 8:26 ` Paolo Bonzini
2012-11-12 20:53 ` Gerhard Wiesinger
2012-11-13 10:50 ` Paolo Bonzini [this message]
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=50A225E7.5000603@redhat.com \
--to=pbonzini@redhat.com \
--cc=lists@wiesinger.com \
--cc=qemu-devel@nongnu.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.