From: Michael Tokarev <mjt@tls.msk.ru>
To: dbareiro@gmx.net, KVM General <kvm@vger.kernel.org>
Subject: Re: Problem booting guest with Linux 2.6.3x
Date: Sat, 10 Oct 2009 20:10:16 +0400 [thread overview]
Message-ID: <4AD0B1E8.5050000@msgid.tls.msk.ru> (raw)
In-Reply-To: <20091010154551.GA29059@defiant.freesoftware.org>
Daniel Bareiro wrote:
[]
>>> But according to it seems, I could verify that the disks that are
>>> passed with -hdX in KVM-88 are mapped in 2.6.31.2 guests like
>>> SATA/SCSI devices. With Linux stock 2.6.26 these are mapped like IDE
>>> disks. Can it be due to some change in the kernel code related with
>>> KVM?
>
>> It has nothing to do with kvm. It's different kernel options, all
>> kernels since very early 2.6.x are able to see ide disks as hdX or
>> sdX, depending on the kernel options and modules loaded. There are 2
>> drivers for each IDE controller - IDE/ATA one, which creates hdX, and
>> PATA one which creates sdX.
>
> According to I was investigating, I have the impression that the newest
> kernels delegate this disks denomination to the use of libata. It would
> be that in 2.6.26 Debian stock kernel not yet was productive to be in
> experimental phase?
Debian "stock" kernel config does not enable ata devices, only ide ones.
/mjt
next prev parent reply other threads:[~2009-10-10 16:10 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-07 2:24 Problem booting guest with Linux 2.6.3x Daniel Bareiro
2009-10-07 4:40 ` Alex Williamson
2009-10-07 10:23 ` Daniel Bareiro
2009-10-07 11:12 ` Michael Tokarev
2009-10-10 15:45 ` Daniel Bareiro
2009-10-10 16:10 ` Michael Tokarev [this message]
2009-10-13 15:41 ` Daniel Bareiro
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