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From: Olaf Hering <olaf@aepfle.de>
To: George Dunlap <george.dunlap@citrix.com>
Cc: Anthony Perard <anthony.perard@citrix.com>,
	Wei Liu <Wei.Liu2@citrix.com>,
	Ian Jackson <Ian.Jackson@eu.citrix.com>,
	"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>
Subject: Re: 4.7 qemu regression: HVM guests fail to boot from xvda
Date: Tue, 7 Jun 2016 16:27:59 +0200	[thread overview]
Message-ID: <20160607142759.GA31093@aepfle.de> (raw)
In-Reply-To: <5756D546.9000609@citrix.com>

On Tue, Jun 07, George Dunlap wrote:

> In every part of the whole system -- in dom0, in the guest, in
> everything -- I use xvda; *except* in the parts dealing with the guest
> config, where for some reason I mysteriously put 'hda', which ends up
> producing an xvda either when booted PV or when booted HVM.  Does that
> make any sense?

hd|xvd in domU.cfg will be ignored by a pvops kernel, it always uses xvd
as prefix.

> What about a per-disk property, emulate={default,always,only}, which for
> HVM will do the things we're talking about and be ignored on PV?
> 'default' will behave as it does now: xvda will get you only PV, hda
> will get you PV-backed emulated.  'always' will always give you an
> emulated device even if you specify xvda, and 'only' will only give you
> an emulated device (with no PV).

I was hoping to use existing xl.cfg statements so that a given domU.cfg
can be shared across toolstack versions.

I will look into this now, as stated last week.

Olaf

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  reply	other threads:[~2016-06-07 14:27 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-30 20:42 4.7 qemu regression: HVM guests fail to boot from xvda Olaf Hering
2016-05-31 11:02 ` George Dunlap
2016-05-31 11:16   ` Olaf Hering
2016-05-31 11:32     ` George Dunlap
2016-05-31 11:41       ` Olaf Hering
2016-05-31 12:00         ` George Dunlap
2016-05-31 12:04           ` Olaf Hering
2016-06-01 13:17             ` Olaf Hering
2016-06-01 21:40               ` Olaf Hering
2016-06-02 11:49                 ` Wei Liu
2016-06-02 12:06                   ` Olaf Hering
2016-05-31 12:15           ` Jan Beulich
2016-06-01  9:48           ` Wei Liu
2016-06-01 13:34             ` Olaf Hering
2016-06-01 14:11               ` Wei Liu
2016-06-01 14:32                 ` Olaf Hering
2016-06-01 15:36           ` Ian Jackson
2016-06-03 10:13             ` George Dunlap
2016-06-03 11:20               ` Olaf Hering
2016-06-03 11:27                 ` George Dunlap
2016-06-03 11:45                   ` Ian Jackson
2016-06-06 10:39                     ` George Dunlap
2016-06-06 10:52                       ` Ian Jackson
2016-06-06 11:43                         ` George Dunlap
2016-06-06 12:49                     ` George Dunlap
2016-06-07 14:08                     ` George Dunlap
2016-06-07 14:27                       ` Olaf Hering [this message]
2016-06-08 10:17                       ` Ian Jackson
2016-06-07 19:06                     ` Olaf Hering
2016-06-08 10:18                       ` Ian Jackson
2016-06-08 10:23                         ` George Dunlap
2016-06-08 10:30                           ` Ian Jackson
2016-06-08 10:49                             ` George Dunlap
2016-06-08 11:13                               ` Olaf Hering
2016-06-08 15:56                                 ` Konrad Rzeszutek Wilk
2016-06-03 11:50                   ` Olaf Hering
2016-05-31 12:10       ` Jan Beulich
2016-05-31 13:41         ` George Dunlap
2016-05-31 14:10           ` Jan Beulich
2016-05-31 16:15     ` Konrad Rzeszutek Wilk
2016-06-08 11:38 ` Wei Liu
2016-06-08 12:04   ` Olaf Hering
2016-06-08 12:09     ` Wei Liu

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