On Mon, Dec 22, 2014 at 02:39:27PM +0800, Zhang Haoyu wrote:
Hi,
When I perform P2V from native servers with win2008 to kvm vm,
some cases failed due to the physical disk was using GPT for partition,
and QEMU doesn't support GPT by default.
And, I see in below site that OVMF can be used
On Fri, Jan 02, 2015 at 10:19:29AM +, Stefan Hajnoczi wrote:
On Sat, Dec 27, 2014 at 09:28:53AM +0800, Haoyu Zhang wrote:
I want to P2V a redhat server to kvm vm, and lvm was used to manage disks
in the redhat server.
I want to only migrate the really used storage to vm image, which can
On Sat, Jan 03, 2015 at 12:47:10AM +, Richard W.M. Jones wrote:
On Fri, Jan 02, 2015 at 10:19:29AM +, Stefan Hajnoczi wrote:
On Sat, Dec 27, 2014 at 09:28:53AM +0800, Haoyu Zhang wrote:
I want to P2V a redhat server to kvm vm, and lvm was used to manage disks
in the redhat server
On Fri, Nov 28, 2014 at 04:17:10PM -0800, Jidong Xiao wrote:
Hi,
I notice that Qemu supports dump virtual memory of Guest OS. As this
page suggests:
http://doc.opensuse.org/products/draft/SLES/SLES-kvm_sd_draft/cha.qemu.monitor.html
To save the content of the virtual machine
On Wed, Jul 30, 2014 at 03:58:43PM -0700, Zetan Drableg wrote:
[00183ms] /usr/libexec/qemu-kvm \
-global virtio-blk-pci.scsi=off \
-nodefconfig \
-nodefaults \
-nographic \
-machine accel=kvm:tcg \
-cpu host,+kvmclock \
-m 500 \
On Thu, Jul 31, 2014 at 12:12:26PM -0700, Zetan Drableg wrote:
Hi Richard thanks for the info.
I took the strace approach and ran into this looping over and over again.
Is it failing to get time?
timer_gettime(0x8, {it_interval={0, 0}, it_value={0, 0}}) = 0
timer_settime(0x8, 0,
On Fri, Mar 14, 2014 at 03:52:03PM +0400, Vasiliy Tolstov wrote:
If i use 3.13.6 kernel that have alredy this patch, but sometimes i
get kernel panic, what can i do?
P.S. I'm using nested virt, fault from L2
It could be there is another, less frequent, bug in nested KVM.
I'm assuming this is
On Fri, Mar 14, 2014 at 04:11:13PM +0400, Vasiliy Tolstov wrote:
2014-03-14 15:58 GMT+04:00 Richard W.M. Jones rjo...@redhat.com:
It could be there is another, less frequent, bug in nested KVM.
I'm assuming this is on Intel hardware?
From the libguestfs point of view what you can do
On Fri, Mar 14, 2014 at 04:39:48PM +0400, Vasiliy Tolstov wrote:
2014-03-14 16:16 GMT+04:00 Richard W.M. Jones rjo...@redhat.com:
You can set the VM domain type=qemu. Of course it'll run quite
slowly.
is that possible to debug this issue ? How can i help?
Complete logs from the guest
On Tue, Mar 04, 2014 at 09:13:40AM +0100, Paolo Bonzini wrote:
Il 04/03/2014 03:40, Ian Pilcher ha scritto:
Is this a known problem? I just tried using nested vmx for the first
time since upgrading my system from F19 (3.12.?? at the time) to F20,
and I cannot start any L2 guests. The L2
On Fri, Jun 14, 2013 at 12:53:04PM +0200, Stefan Hajnoczi wrote:
On Thu, Jun 13, 2013 at 10:47:32AM +0200, folkert wrote:
Hi,
In virt-manager I saw that there's the option for cache writeback for
storage devices.
I'm wondering: does this also make kvm to ignore write barriers
W.M. Jones rjo...@redhat.com
Rich.
--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
libguestfs lets you edit virtual machines. Supports shell scripting,
bindings from many languages. http://libguestfs.org
--
To unsubscribe from this list: send the line
On Mon, Sep 24, 2012 at 01:48:26PM +0200, Paolo Bonzini wrote:
Il 24/09/2012 13:28, Juan Quintela ha scritto:
Hi
Please send in any agenda items you are interested in covering.
URI parsing library for glusterfs: libxml2 vs. in-tree fork of the
same code.
I can't make this call, but
On Tue, Sep 25, 2012 at 07:57:53AM -0500, Anthony Liguori wrote:
Paolo Bonzini pbonz...@redhat.com writes:
Il 24/09/2012 13:28, Juan Quintela ha scritto:
Hi
Please send in any agenda items you are interested in covering.
URI parsing library for glusterfs: libxml2 vs. in-tree fork
On Mon, Jul 30, 2012 at 05:38:17PM +0300, Gleb Natapov wrote:
And now for something completely different.
So this series (or rather the last patch of it) takes different approach
to rep ins optimization. Instead of writing separate fast path for
it do the fast path inside emulator itself.
On Mon, Jul 30, 2012 at 03:35:39PM +0300, Avi Kivity wrote:
Having an annoying bug on i386 kvm I decided to debug it buy running an
i386 guest on my x86_64 host, use 9p to access a guest image, and run it
using nested kvm.
However, 9p appears to be broken: first, the configure test fails
On Thu, May 17, 2012 at 11:36:24PM +0530, Jaspal wrote:
Hi ,
Is it possible to keep a count of reads / writes taking place in a
vm using qemu ( using kvm as hypervisor ) ? Is there a api ( or any
patch ) for it ?
Memory reads and writes is surely going to generate a huge
amount of output!
On Thu, May 10, 2012 at 03:29:54PM +0300, Avi Kivity wrote:
Currently when you mount a filesystem, you face two issues:
- you have to be root
- if the media is untrusted, it can exploit your kernel
With kvm and fuse, we can have a virtualized kernel mount the
filesystem, and re-export to
On Wed, Sep 28, 2011 at 12:19:09PM +0200, Reeted wrote:
On 09/28/11 11:53, Daniel P. Berrange wrote:
On Wed, Sep 28, 2011 at 11:49:01AM +0200, Reeted wrote:
YES!
It's the vhost. With vhost=on it takes about 12 seconds more time to boot.
...meaning? :-)
I've no idea. I was always under the
On Fri, Aug 26, 2011 at 09:22:45AM +0300, Sasha Levin wrote:
On Thu, 2011-08-25 at 16:25 +, Decker, Schorschi wrote:
2) implement the feature as an agent in the guest OS where the
hypervisor can only query the guest OS agent, using a standard TCP/IP
methodology.
I was planning to
On Fri, Aug 26, 2011 at 09:08:02AM +0300, Sasha Levin wrote:
You're thinking about trying to expose all interfaces during boot and
seeing which ones the kernel bites?
No, that's a bad idea. A current guest would register that as two
disks. It might even try to write to them independently.
On Fri, Aug 26, 2011 at 01:18:49PM +0300, Sasha Levin wrote:
On Fri, 2011-08-26 at 09:04 +0100, Richard W.M. Jones wrote:
On Fri, Aug 26, 2011 at 09:22:45AM +0300, Sasha Levin wrote:
On Thu, 2011-08-25 at 16:25 +, Decker, Schorschi wrote:
2) implement the feature as an agent
On Thu, Aug 25, 2011 at 08:33:04AM +0300, Avi Kivity wrote:
On 08/25/2011 08:21 AM, Sasha Levin wrote:
Hi,
Currently when we run the guest we treat it as a black box, we're not
quite sure what it's going to start and whether it supports the same
features we expect it to support when running
On Thu, Aug 25, 2011 at 10:40:34AM +0300, Sasha Levin wrote:
From what I gathered libguestfs only provides access to the guests'
image.
Correct.
Which part is doing the IKCONFIG or System.map probing? Or is it done in
a different way?
You'll have to see what Matt's doing in the virt-v2v
On Thu, Aug 25, 2011 at 08:48:25AM +0100, Richard W.M. Jones wrote:
On Thu, Aug 25, 2011 at 10:40:34AM +0300, Sasha Levin wrote:
From what I gathered libguestfs only provides access to the guests'
image.
Correct.
Which part is doing the IKCONFIG or System.map probing? Or is it done
On Mon, Jul 25, 2011 at 11:51:12AM +0300, Avi Kivity wrote:
qemu_malloc() is type-unsafe as it returns a void pointer. Introduce
QEMU_NEW() (and QEMU_NEWZ()), which return the correct type.
Signed-off-by: Avi Kivity a...@redhat.com
---
This is part of my memory API patchset, but doesn't
On Mon, Apr 18, 2011 at 11:18:42AM +0100, Stefan Hajnoczi wrote:
qemu-img is a pretty good Rosetta stone for image formats but it is
missing support some format versions. In order to bring qemu-img
up-to-date with the latest disk image formats we will need to find
specific image files and/or
On Mon, Jan 03, 2011 at 10:28:12AM +0200, Avi Kivity wrote:
On 01/02/2011 09:52 PM, Richard W.M. Jones wrote:
On Sun, Jan 02, 2011 at 11:15:33AM +0100, Jan Kiszka wrote:
Does any qemu-kvm user rely on the automatic fallback to TCG if KVM
initialization fails?
Yes, libguestfs does
On Sun, Jan 02, 2011 at 11:15:33AM +0100, Jan Kiszka wrote:
Does any qemu-kvm user rely on the automatic fallback to TCG if KVM
initialization fails?
Yes, libguestfs does ...
... or at least we would like to be able to reliably request this from
the command line.
Rich.
--
Richard Jones,
On Tue, Dec 21, 2010 at 04:41:03PM +0100, Markus Armbruster wrote:
Like this?
upstream qemu | default |-enable-kvm
+---+---
KVM available | disabled | enabled
KVM unavailable | disabled |fail
qemu-kvm| default |-enable-kvm| -no-kvm
On Tue, Dec 21, 2010 at 04:00:32PM +, Richard W.M. Jones wrote:
Markus, any idea when we might get the -accel option appearing in
released versions of qemu/KVM?
Sorry, I thought this email wasn't going out to a public list. I
should be more careful next time.
I'll say instead: We really
On Thu, Oct 14, 2010 at 01:10:47PM +0100, Daniel P. Berrange wrote:
Or a PCI bridge to wire up more PCI buses, so we raise the max limit for
any type of device we emulate.
Break the 29/30/31 virtio-blk limit ... please!
Rich.
--
Richard Jones, Virtualization Group, Red Hat
On Thu, Oct 14, 2010 at 04:57:36PM -0500, Anthony Liguori wrote:
On 10/14/2010 04:42 PM, Richard W.M. Jones wrote:
On Thu, Oct 14, 2010 at 01:10:47PM +0100, Daniel P. Berrange wrote:
Or a PCI bridge to wire up more PCI buses, so we raise the max limit for
any type of device we emulate.
Break
On Wed, Aug 04, 2010 at 08:54:35AM +0300, Avi Kivity wrote:
On 08/04/2010 01:06 AM, Richard W.M. Jones wrote:
On Tue, Aug 03, 2010 at 10:24:41PM +0300, Avi Kivity wrote:
Why do we need to transfer roms? These are devices on the memory
bus or pci bus, it just needs to be there at the right
On Wed, Aug 04, 2010 at 12:52:23PM +0300, Avi Kivity wrote:
On 08/04/2010 12:24 PM, Richard W.M. Jones wrote:
Just like the initrd?
There isn't enough address space for a 100MB initrd in ROM.
Because of limits of the original PC, sure, where you had to fit
everything in 0xa-0xf
On Wed, Aug 04, 2010 at 04:07:09PM +0300, Gleb Natapov wrote:
On Wed, Aug 04, 2010 at 08:04:09AM -0500, Anthony Liguori wrote:
On 08/04/2010 03:17 AM, Avi Kivity wrote:
For playing games, there are three options:
- existing fwcfg
- fwcfg+dma
- put roms in 4GB-2MB (or whatever we decide
On Wed, Aug 04, 2010 at 08:15:04AM -0500, Anthony Liguori wrote:
On 08/04/2010 08:07 AM, Gleb Natapov wrote:
On Wed, Aug 04, 2010 at 08:04:09AM -0500, Anthony Liguori wrote:
On 08/04/2010 03:17 AM, Avi Kivity wrote:
For playing games, there are three options:
- existing fwcfg
- fwcfg+dma
-
On Wed, Aug 04, 2010 at 07:36:04PM +0300, Avi Kivity wrote:
This is basically my suggestion to libguestfs: instead of generating
an initrd, generate a bootable cdrom, and boot from that. The
result is faster and has a smaller memory footprint. Everyone wins.
We had some discussion of this
On Wed, Aug 04, 2010 at 02:06:58PM -0600, David S. Ahern wrote:
On 08/04/10 11:34, Avi Kivity wrote:
And it's awesome for fast prototyping. Of course, once that fast
becomes dog slow, it's not useful anymore.
For the Nth time, it's only slow with 100MB initrds.
100MB is really
On Tue, Aug 03, 2010 at 02:33:02PM +0300, Gleb Natapov wrote:
On Tue, Aug 03, 2010 at 12:13:06PM +0100, Richard W.M. Jones wrote:
qemu compiled from today's git. Using the following command line:
$qemudir/x86_64-softmmu/qemu-system-x86_64 -L $qemudir/pc-bios \
-drive file=/dev
On Tue, Aug 03, 2010 at 03:37:14PM +0300, Gleb Natapov wrote:
On Tue, Aug 03, 2010 at 01:10:00PM +0100, Richard W.M. Jones wrote:
I can't see anything about this in the kernel changelog. Can you
point me to the commit or the key phrase to look for?
7972995b0c346de76
Thanks - I see
On Tue, Aug 03, 2010 at 04:19:39PM +0300, Avi Kivity wrote:
On 08/03/2010 03:48 PM, Richard W.M. Jones wrote:
Thanks for the explanation. I'll repost my DMA-like fw-cfg patch
once I've rebased it and done some more testing. This huge regression
for a common operation (implementing -initrd
On Tue, Aug 03, 2010 at 05:38:25PM +0300, Avi Kivity wrote:
The time will only continue to grow as you add features and as the
distro bloats naturally.
Much better to create it once and only update it if some dependent
file changes (basically the current on-the-fly code + save a list of
On Tue, Aug 03, 2010 at 07:10:18PM +0300, Avi Kivity wrote:
-kernel and -initrd is a developer's interface intended to make life
easier for users that use qemu to develop kernels. It was not
intended as a high performance DMA engine. Neither was the firmware
_configuration_ interface. That
On Tue, Aug 03, 2010 at 07:44:49PM +0300, Avi Kivity wrote:
On 08/03/2010 07:28 PM, Richard W.M. Jones wrote:
I have posted a small patch which makes this 650x faster without
appreciable complication.
It doesn't appear to support live migration, or hiding the feature
for -M older.
AFAICT
On Tue, Aug 03, 2010 at 08:58:10PM +0300, Avi Kivity wrote:
Richard, can you test kvm.git
master? it already contains one fix and we plan to add more.
Yup, I will ...
Rich.
--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming blog:
On Tue, Aug 03, 2010 at 09:43:39PM +0300, Avi Kivity wrote:
libguestfs does not depend on an x86 architectural feature.
qemu-system-x86_64 emulates a PC, and PCs don't have -kernel. We
should discourage people from depending on this interface for
production use.
I really don't get this whole
On Tue, Aug 03, 2010 at 10:22:22PM +0300, Avi Kivity wrote:
On 08/03/2010 10:13 PM, Richard W.M. Jones wrote:
On Tue, Aug 03, 2010 at 09:43:39PM +0300, Avi Kivity wrote:
libguestfs does not depend on an x86 architectural feature.
qemu-system-x86_64 emulates a PC, and PCs don't have -kernel
On Tue, Aug 03, 2010 at 10:24:41PM +0300, Avi Kivity wrote:
Why do we need to transfer roms? These are devices on the memory
bus or pci bus, it just needs to be there at the right address.
Boot splash should just be another rom as it would be on a real
system.
Just like the initrd?
Rich.
On Tue, Jun 29, 2010 at 07:29:01PM -0400, Chetan Loke wrote:
Brief discussion thread - http://lkml.org/lkml/2010/6/29/355
Added VMware detection via cpuid.Mimic'd VMware's balloon driver's init-time
check(cpuid followed by dmi-checks). Moved the existing logic into a simple
function to
On Mon, Mar 22, 2010 at 01:05:13PM +, Daniel P. Berrange wrote:
This is close to the way libguestfs already works. It boots QEMU/KVM pointing
to a minimal stripped down appliance linux OS image, containing a small agent
it talks to over some form of vmchannel/serial/virtio-serial device.
On Mon, Mar 22, 2010 at 02:56:47PM +0100, Ingo Molnar wrote:
Just curious: any plans to extend this to include live read/write access as
well?
I.e. to have the 'agent' (guestfsd) running universally, so that
tools such as perf and by users could rely on the VFS integration as
well, not just
This was discussed here before so I'll just link to that earlier
discussion:
http://www.mail-archive.com/kvm@vger.kernel.org/msg19890.html
The attached patch is a bit of a hack, but at least it stops qemu-kvm
from segfaulting when hardware virtualization isn't available.
Rich.
--
Richard
On Mon, Aug 03, 2009 at 02:57:01PM -0500, Anthony Liguori wrote:
Richard W.M. Jones wrote:
On Mon, Jul 27, 2009 at 06:44:28PM -0500, Anthony Liguori wrote:
It really suggests that you need _one_ vmchannel that's exposed to
userspace with a single userspace daemon that consumes
On Mon, Jul 27, 2009 at 06:44:28PM -0500, Anthony Liguori wrote:
It really suggests that you need _one_ vmchannel that's exposed to
userspace with a single userspace daemon that consumes it.
... or a more flexible API. I don't like having fixed /dev/vmch*
devices either.
A long time ago (on
On Tue, Jul 28, 2009 at 09:48:00AM -0500, Anthony Liguori wrote:
Richard W.M. Jones wrote:
On Mon, Jul 27, 2009 at 06:44:28PM -0500, Anthony Liguori wrote:
It really suggests that you need _one_ vmchannel that's exposed to
userspace with a single userspace daemon that consumes
On Mon, Aug 11, 2008 at 07:39:34PM +1200, james wrote:
This is what libvirt gives you (and lots more, eg. secure remote
access to hypervisors, bindings to Perl many other languages, etc.).
Can you be more specfic about what you couldn't do with libvirt?
I can give you such an example
On Sun, Aug 10, 2008 at 11:07:32AM +0100, Richard W.M. Jones wrote:
Libvirt deliberately doesn't expose the full
feature set of any one hypervisor which it supports, but instead
exposes common features.
Judging by one private reply I got, I don't want this to be
misinterpreted. Libvirt
On Thu, Aug 07, 2008 at 03:55:49PM +0300, Alexey Eremenko wrote:
The only problem: virt-mem doesn't compiles.
It has a huge chain of dependencies actually. Maybe better off
starting with our RPMs, either source or binary, from here:
https://bugzilla.redhat.com/show_bug.cgi?id=450713
Rich.
--
On Thu, Aug 07, 2008 at 11:47:39AM +0100, Daniel P. Berrange wrote:
On Thu, Aug 07, 2008 at 07:40:58PM +0900, Jun Koi wrote:
One of the problem is that these tools work via libvirt, so on a VM is
not managed by libvirt, these tools no longer work.
That's not a problem - that's a reason to
I'm pleased to announce the latest release of the virt-mem tools,
version 0.2.8.
These are tools for system administrators which let you find things
like kernel messages, process lists and network information of your
guests.
For example:
virt-uname
'uname' command, shows OS version,
On Sat, Jul 05, 2008 at 02:16:34PM +0300, Avi Kivity wrote:
Richard W.M. Jones wrote:
I've been trying out RHL6.2 [sic] on KVM 70. This has an ancient
2.2.14 kernel and generally dates from 1999/2000. However it does run
nicely in 16 MB of RAM which makes it useful for me because I want
I've been trying out RHL6.2 [sic] on KVM 70. This has an ancient
2.2.14 kernel and generally dates from 1999/2000. However it does run
nicely in 16 MB of RAM which makes it useful for me because I want to
see what happens when we run 100s of KVM instances :-)
A few observations:
(1) IDE DMA
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