Blktap helps out for multiple CentOS PV DomU restarts (with image on FS) under Suse's 2.6.27 xen-ified kernel & Xen Unstable ( the most recent).
But it seems not implemented yet for 2.6.29-rc7
--- On Wed, 3/11/09, Boris Derzhavets <bderzhavets@xxxxxxxxx> wrote:
From: Boris Derzhavets <bderzhavets@xxxxxxxxx>
Subject: Re: [Xen-devel] Re: [PATCH] xen: mask XSAVE in cpuid since we don't allow guests to use it
To: "Jeremy Fitzhardinge" <jeremy@xxxxxxxx>
Cc: "Xen-devel" <xen-devel@xxxxxxxxxxxxxxxxxxx>, "Keir Fraser" <keir.fraser@xxxxxxxxxxxxx>
Date: Wednesday, March 11, 2009, 4:40 AM
I've got the same issue with CentOS 5.2 PV DomU (same /dev/sdb5)
under Suse's 2.6.27 xen-ified kernel & Xen Unstable ( the most recent).
I believe Xen is broken in some way. It's not about the kernel.
Boris.
--- On Wed, 3/11/09, Boris Derzhavets <bderzhavets@xxxxxxxxx> wrote:
From: Boris Derzhavets <bderzhavets@xxxxxxxxx>
Subject: Re: [Xen-devel] Re: [PATCH] xen: mask XSAVE in cpuid since we don't allow guests to use it
To: "Jeremy Fitzhardinge" <jeremy@xxxxxxxx>
Cc: "Xen-devel" <xen-devel@xxxxxxxxxxxxxxxxxxx>, "Keir Fraser"
<keir.fraser@xxxxxxxxxxxxx>
Date: Wednesday, March 11, 2009, 3:26 AM
disk= [ phy:/dev/sdb5] seems not to be released after PV DomU shutdown.
Hence , second attempt to load DomU gets paused waiting for particular
device. When i reboot xen host, DomU can be loaded again.
--- On Tue, 3/10/09, Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote:
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Subject: Re: [Xen-devel] Re: [PATCH] xen: mask XSAVE in cpuid since we don't allow guests to use it
To: bderzhavets@xxxxxxxxx
Cc:
"Keir Fraser" <keir.fraser@xxxxxxxxxxxxx>, "Xen-devel" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Date: Tuesday, March 10, 2009, 8:29
PM
Boris Derzhavets wrote:
>
> Seems like new kernel brought up back some old issues with ubuntu 8.10
> devices.
It never happened before patching 2.6.29-rc7 kernel on C2D boxes
with the same ubuntu 8.10 server release and 2.6.29-rc5.
> In particular, CentOS 5.2 PV DomU's xen-hotplug.log looks like:-
>
> xenstore-read: couldn't read path /local/domain/2/vm
> xenstore-read: couldn't read path /local/domain/9/vm
> xenstore-read: couldn't read path /local/domain/3/vm
> xenstore-read: couldn't read path /local/domain/4/vm
> Either xen-tools (or whatever else in xen unstable) requires correlation
> with patched kernel.
>
Ah, I noticed that too, but I don't see any obvious changes which might
have caused this. Time to pull out "git bisect" I think.
J
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second boot up
under Novell's 2.6.27 & Xen Unstable ( the most recent).
I believe it's not about kernel, it's about Xen Unstable.
It's broken in some way.
Boris.
--- On Wed, 3/11/09, Boris Derzhavets <bderzhavets@xxxxxxxxx> wrote:
From: Boris Derzhavets <bderzhavets@xxxxxxxxx>
Subject: Re: [Xen-devel] Re: [PATCH] xen: mask XSAVE in cpuid since we don't allow guests to use it
To: "Jeremy Fitzhardinge" <jeremy@xxxxxxxx>
Cc: "Xen-devel" <xen-devel@xxxxxxxxxxxxxxxxxxx>, "Keir Fraser" <keir.fraser@xxxxxxxxxxxxx>
Date: Wednesday, March 11, 2009, 3:26 AM
disk= [ phy:/dev/sdb5] seems not to be released after PV DomU shutdown.
Hence , second attempt to load DomU gets paused waiting for particular
device. When i reboot xen host, DomU can be loaded again.
--- On Tue, 3/10/09, Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote:
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Subject: Re: [Xen-devel] Re: [PATCH] xen: mask XSAVE in cpuid since we don't allow guests to use it
To: bderzhavets@xxxxxxxxx
Cc: "Keir Fraser" <keir.fraser@xxxxxxxxxxxxx>, "Xen-devel"
<xen-devel@xxxxxxxxxxxxxxxxxxx>
Date: Tuesday, March 10, 2009, 8:29 PM
Boris Derzhavets wrote:
>
> Seems like new kernel brought up back some old issues with ubuntu 8.10
> devices.
It never happened before patching 2.6.29-rc7 kernel on C2D boxes
with the same ubuntu 8.10 server release and 2.6.29-rc5.
> In particular, CentOS 5.2 PV DomU's xen-hotplug.log looks like:-
>
> xenstore-read: couldn't read path /local/domain/2/vm
> xenstore-read: couldn't read path /local/domain/9/vm
> xenstore-read: couldn't read path /local/domain/3/vm
> xenstore-read: couldn't read path /local/domain/4/vm
> Either xen-tools (or whatever else in xen unstable) requires correlation
> with patched kernel.
>
Ah, I noticed that too, but I don't see any obvious changes which might
have caused this. Time to pull out "git bisect" I think.
J
|
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http://lists.xensource.com/xen-devel
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http://lists.xensource.com/xen-devel
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