From: Vladimir Krivopalov <argenet@very-soft.com>
To: jgarzik@pobox.com
Cc: linux-ide@vger.kernel.org
Subject: SATA II generation controllers reset problem
Date: Thu, 12 Feb 2009 12:44:05 +0600 [thread overview]
Message-ID: <4993C535.10204@very-soft.com> (raw)
Greetings, Jeff!
My name is Vladimir Krivopalov, and I work as software developer in
VerySoft LLC, Russia.
We currently develop a project containing Linux and Windows client-side
parts and have to implement 'hot reboot' from Linux to Windows for our
purposes. We use kexec application and grub4dos bootloader for this.
There's a problem we discovered while developing our project in Linux
part. It occurs when an effort to switch from protected mode to the real
mode is taken and bootloader is started, but it fails while looking for
the SATA II drives.
As for normal booting with grub4dos, it has no probmels with detecting
SATA drives. It also finds all IDE drives and SATA I (that have
IDE-compartible interface) normally.
We suppose the reason could be in that SATA II controllers aren't
resetted properly. Could you please provide any explanations on how are
they reset by default in libata library for Linux?
Best regards,
Vladimir Krivopalov,
Software developer.
VerySoft LLC (www.very-soft.com)
next reply other threads:[~2009-02-12 7:16 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-12 6:44 Vladimir Krivopalov [this message]
2009-02-19 9:19 ` SATA II generation controllers reset problem Tejun Heo
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