From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mickael Marchand <mikmak@freenux.org>
Subject: Re: xen 3.4.0 & pvgrub
Date: Thu, 21 May 2009 20:53:24 +0200
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	<20090521172213.GQ5806@const.famille.thibault.fr>
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To: Samuel Thibault <samuel.thibault@ens-lyon.org>, xen-devel@lists.xensource.com
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On Thu, May 21, 2009 at 08:22:07PM +0200, Samuel Thibault wrote:
> Mickael Marchand, le Thu 21 May 2009 20:19:53 +0200, a =E9crit :
> > On Thu, May 21, 2009 at 07:22:13PM +0200, Samuel Thibault wrote:
> > > Mickael Marchand, le Tue 19 May 2009 18:01:14 +0200, a =E9crit :
> > > > booting the same domU with pvgrub (and same kernel inside the dom=
U) it's
> > > > not able to find sda1 or xvda1, /dev looks empty in regards to di=
sk
> > > > devices
> > >=20
> > > Mmm, your dom0 probably has a kernel that doesn't cope well with
> > > reconnecting devices, which kernel does it have=A0?
> >=20
> > the standard 2.6.24-24-xen from ubuntu,
> > it works fine with xen 3.3 afaict (using it in production)
>=20
> With pv-grub, you mean?  I.e. with the same dom0 kernel, an upgraded
> hypervisor, and the same domU kernel, you now have issues with pv-grub
> while you didn't have any before?
>=20
> Samuel

* Xen 3.3.1 :
[    0.096978] Event-channel device installed.                           =
                                                                         =
                   =20
[    0.102662] Successfully initialized TPM backend driver.              =
                                                                         =
                   =20
[    0.105036] netfront: Initialising virtual ethernet driver.           =
                                                                         =
                   =20
[   19.156897] xen-vbd: registered block device major 202                =
                                                                         =
                   =20
[   19.156918] blkfront: xvda1: barriers enabled                         =
                                                                         =
                   =20
[    0.141005] rtc: IRQ 8 is not free.

* Xen 3.4.0 :
[    0.091188] Event-channel device installed.                           =
                                                                         =
                   =20
[    0.096703] Successfully initialized TPM backend driver.              =
                                                                         =
                   =20
[    0.096920] netfront: Initialising virtual ethernet driver.           =
                                                                         =
                   =20
[    0.132989] rtc: IRQ 8 is not free.=20

missing the 2 lines about xen-vbd and blkfront apparently

Mik