On 03/21/2010 01:29 PM, Thomas Løcke wrote:
Hey,
What is considered best practice when running a KVM host with a
mixture of Linux and Windows guests?
Currently I have ntpd running on the host, and I start my guests using
-rtc base=localhost,clock=host, with an extra -tdf added for
Windows
On 03/17/2010 07:37 AM, kazushi takahashi wrote:
Hi all
Does anybody know exact important date, such as paper deadline
for KVM Forum 2010?
It's not yet official and Chris Wright will publish the dates but last
we talked it was about asking for pretty simple abstracts (a paragraph
or two,
On 04/18/2010 02:21 AM, Espen Berg wrote:
Den 17.04.2010 22:17, skrev Michael Tokarev:
We have three KVM hosts that supports live-migration between them, but
one of our problems is time drifting. The three frontends has different
CPU frequency and the KVM guests adopt the frequency from the
On 04/19/2010 12:29 PM, Gleb Natapov wrote:
On Mon, Apr 19, 2010 at 11:21:47AM +0200, Espen Berg wrote:
Den 18.04.2010 11:56, skrev Gleb Natapov:
That's two different things here:
The issue that Espen is reporting is that the hosts have different
frequency and guests that relay on the tsc as
On 04/21/2010 08:57 AM, Yoshiaki Tamura wrote:
Hi all,
We have been implementing the prototype of Kemari for KVM, and we're sending
this message to share what we have now and TODO lists. Hopefully, we would like
to get early feedback to keep us in the right direction. Although advanced
On 04/22/2010 01:35 PM, Yoshiaki Tamura wrote:
Dor Laor wrote:
On 04/21/2010 08:57 AM, Yoshiaki Tamura wrote:
Hi all,
We have been implementing the prototype of Kemari for KVM, and we're
sending
this message to share what we have now and TODO lists. Hopefully, we
would like
to get early
On 04/22/2010 04:16 PM, Yoshiaki Tamura wrote:
2010/4/22 Dor Laordl...@redhat.com:
On 04/22/2010 01:35 PM, Yoshiaki Tamura wrote:
Dor Laor wrote:
On 04/21/2010 08:57 AM, Yoshiaki Tamura wrote:
Hi all,
We have been implementing the prototype of Kemari for KVM, and we're
sending
On 04/23/2010 10:36 AM, Fernando Luis Vázquez Cao wrote:
On 04/23/2010 02:17 PM, Yoshiaki Tamura wrote:
Dor Laor wrote:
[...]
Second, even if it wasn't the case, the tsc delta and kvmclock are
synchronized as part of the VM state so there is no use of trapping it
in the middle.
I should
On 04/27/2010 11:14 AM, Avi Kivity wrote:
On 04/27/2010 01:36 AM, Anthony Liguori wrote:
A few comments:
1) The problem was not block watermark itself but generating a
notification on the watermark threshold. It's a heuristic and should
be implemented based on polling block stats.
Polling
On 04/27/2010 11:56 AM, Avi Kivity wrote:
On 04/27/2010 11:48 AM, Dor Laor wrote:
Here's another option: an nbd-like protocol that remotes all BlockDriver
operations except read and write over a unix domain socket. The open
operation returns an fd (SCM_RIGHTS strikes again) that is used
On 04/27/2010 12:22 PM, Avi Kivity wrote:
On 04/27/2010 12:08 PM, Dor Laor wrote:
On 04/27/2010 11:56 AM, Avi Kivity wrote:
On 04/27/2010 11:48 AM, Dor Laor wrote:
Here's another option: an nbd-like protocol that remotes all
BlockDriver
operations except read and write over a unix domain
On 05/05/2010 11:58 PM, Michael S. Tsirkin wrote:
Generally, the Host end of the virtio ring doesn't need to see where
Guest is up to in consuming the ring. However, to completely understand
what's going on from the outside, this information must be exposed.
For example, host can reduce the
On 05/27/2010 12:17 PM, Tomasz Chmielewski wrote:
Just installed Fedora13 as guest on KVM. However there is no
cross-platform copy and paste feature. I trust I have setup this
feature on other guest sometime before. Unfortunately I can't the
relevant document. Could you please shed me some
On 09/09/2009 04:47 PM, Lucas Meneghel Rodrigues wrote:
Hi folks, seems like we are still facing a build problem on qemu-kvm:
The option rom is failing to boot:
09/04 11:12:08 DEBUG|kvm_vm:0384| Running qemu command:
/usr/local/autotest/tests/kvm/qemu -name 'vm1' -monitor
On 09/16/2009 10:27 AM, Michael S. Tsirkin wrote:
On Tue, Sep 15, 2009 at 05:15:09PM +0200, Luca Bigliardi wrote:
Hi,
I'm running some tests between two linux instances bridged together.
If I try to ping 10 times I obtain the following results:
-net nic,model=virtio -net tap :
rtt
On 09/15/2009 09:58 PM, Jiri Zupka wrote:
After a quick review I have the following questions:
1. Why did you implement the guest tool in 'c' and not in python?
Python is much simpler and you can share some code with the server.
This 'test protocol' would also be easier to understand this
On 09/16/2009 04:09 PM, Jiri Zupka wrote:
- Dor Laordl...@redhat.com wrote:
On 09/15/2009 09:58 PM, Jiri Zupka wrote:
After a quick review I have the following questions:
1. Why did you implement the guest tool in 'c' and not in python?
Python is much simpler and you can share some
On 09/24/2009 11:59 PM, Javier Guerra wrote:
On Thu, Sep 24, 2009 at 3:38 PM, Kenni Lundke...@kelu.dk wrote:
I've done some benchmarking with the drivers on Windows XP SP3 32bit,
but it seems like using the VirtIO drivers are slower than the IDE drivers in
(almost) all cases. Perhaps I've
On 09/29/2009 05:50 PM, Lucas Meneghel Rodrigues wrote:
On Fri, 2009-09-25 at 05:22 -0400, Jiri Zupka wrote:
- Dor Laordl...@redhat.com wrote:
On 09/16/2009 04:09 PM, Jiri Zupka wrote:
- Dor Laordl...@redhat.com wrote:
On 09/15/2009 09:58 PM, Jiri Zupka wrote:
After a quick
On 10/15/2009 11:48 AM, Amos Kong wrote:
Test 802.1Q vlan of nic, config it by vconfig command.
1) Create two VMs
2) Setup guests in different vlan by vconfig and test communication by ping
using hard-coded ip address
3) Setup guests in same vlan and test communication by ping
On 10/20/2009 04:37 AM, Neil Aggarwal wrote:
Hello:
I am installing KVM on top of CentOS 5.4 so I can
have two guests running on my host. I would like to
have the host and guests accessible from my
network.
Do I set up separate bridges for each guest or would
they somehow be shared?
If I set
On 10/21/2009 03:46 PM, Uri Lublin wrote:
On 10/21/2009 12:37 PM, Amos Kong wrote:
On Tue, Oct 20, 2009 at 09:19:50AM -0400, Michael Goldish wrote:
- Dor Laordl...@redhat.com wrote:
On 10/15/2009 11:48 AM, Amos Kong wrote:
For the sake of safety maybe we should start both VMs with
On 10/23/2009 08:21 PM, David Martin wrote:
Does KSM support HugePages? Reading the Fedora 12 feature list I notice this:
Using huge pages for guest memory does have a downside, however - you
can no longer swap nor balloon guest memory.
However it is unclear to me if that includes KSM.
ksm
On 10/12/2009 05:28 PM, Lucas Meneghel Rodrigues wrote:
Hi Michael, I am reviewing your patchset and have just a minor remark
to make here:
On Wed, Oct 7, 2009 at 2:54 PM, Michael Goldishmgold...@redhat.com wrote:
This patch adds a new test that checks the timedrift introduced by migrations.
On 11/09/2009 05:53 AM, Fernando Luis Vázquez Cao wrote:
Hi all,
It has been a while coming, but we have finally started work on
Kemari's port to KVM. For those not familiar with it, Kemari provides
the basic building block to create a virtualization-based fault
tolerant machine: a virtual
On 11/14/2009 04:23 PM, Gordan Bobic wrote:
I just tried paravirtualized virtio block devices, and my tests show
that they are approximately 30% slower than emulated IDE devices. I'm
guessing this isn't normal. Is this a known issue or am I likely to have
mosconfigured something? I'm using
On 11/15/2009 02:00 PM, Gordan Bobic wrote:
Dor Laor wrote:
On 11/14/2009 04:23 PM, Gordan Bobic wrote:
I just tried paravirtualized virtio block devices, and my tests show
that they are approximately 30% slower than emulated IDE devices. I'm
guessing this isn't normal. Is this a known issue
On 11/13/2009 01:48 PM, Yoshiaki Tamura wrote:
Hi,
Thanks for your comments!
Dor Laor wrote:
On 11/09/2009 05:53 AM, Fernando Luis Vázquez Cao wrote:
Hi all,
It has been a while coming, but we have finally started work on
Kemari's port to KVM. For those not familiar with it, Kemari provides
On 10/28/2009 08:54 AM, Michael Goldish wrote:
- Dor Laordl...@redhat.com wrote:
On 10/12/2009 05:28 PM, Lucas Meneghel Rodrigues wrote:
Hi Michael, I am reviewing your patchset and have just a minor
remark
to make here:
On Wed, Oct 7, 2009 at 2:54 PM, Michael
On 11/16/2009 08:11 PM, Charles Duffy wrote:
Gordan Bobic wrote:
Lastly, do you use cache=wb on qemu? it's just a fun mode, we use
cache=off only.
I don't see the option being set in the logs, so I'd guess it's
whatever qemu-kvm defaults to.
You can set this through libvirt by putting an
On 11/17/2009 04:49 PM, Jiri Zupka wrote:
Hi,
We find a little mistake with ending of allocator.py.
Because I send this patch today. I resend whole repaired patch again.
It sure is big improvment from the previous.
There are still many refactoring to be made to make it more readable.
On 11/26/2009 12:11 PM, Lukáš Doktor wrote:
Hello Dor,
Thank you for your review. I have few questions about your comments:
--- snip ---
+ stat += Guests memsh = {
+ for vm in lvms:
+ if vm.is_dead():
+ logging.info(Trying to get informations of death VM: %s
+ % vm.name)
+
On 12/15/2009 09:04 PM, Lucas Meneghel Rodrigues wrote:
On Fri, Dec 11, 2009 at 2:34 PM, Jiri Zupkajzu...@redhat.com wrote:
Hello,
we write KSM_overcommit test. If we calculate memory for guest we need to know
which architecture is Guest. If it is a 32b or 32b with PAE or 64b system.
Because
On Mon, 2008-06-02 at 14:35 +0530, Amit Shah wrote:
On Friday 30 May 2008 23:00:41 Farkas Levente wrote:
this is out production server at the development department (10-15)
people using it so actually if i tell them that i'll stop the host and
all guests for max an hour it's acceptable,
On Sun, 2008-06-22 at 09:49 +0300, Avi Kivity wrote:
Yang, Sheng wrote:
From f02d2ccf01e8671d2da517f14a908d1df1cc42ad Mon Sep 17 00:00:00 2001
From: Sheng Yang [EMAIL PROTECTED]
Date: Thu, 19 Jun 2008 18:41:26 +0800
Subject: [PATCH] KVM: Report hardware virtualization features
The
On Sun, 2008-06-29 at 16:59 +0300, Gleb Natapov wrote:
Count the number of interrupts that was lost due to interrupt coalescing
and re-inject them back when possible. This fixes time drift problem when
pit is used as a time source.
Signed-off-by: Gleb Natapov [EMAIL PROTECTED]
---
From d85feaae019bc0abc98a2524369e04d521a78aa8 Mon Sep 17 00:00:00 2001
From: Dor Laor [EMAIL PROTECTED]
Date: Mon, 30 Jun 2008 18:22:44 -0400
Subject: [PATCH] Fix block mode hduring halt emulation
There is no need to check for pending pit/apic timer, nor
pending virq, since all of the check
Arn wrote:
How can one share memory (a few variables not necessarily a page)
between host/hypervisor and guest VM ?
Since the guest is just a process within the host, there should be
existing ways to do this.
It's not that straight forward since the host has its pfn (page frame
number) while
Farkas Levente wrote:
hi,
i'm just switch to the use rtl8139 network emulator in kvm-70 for the
guests, but under high load it's simple stop working. a reboot or even a
service network restart
solve the problem, but imho there should have to be some bug in the
qemu's rtl8139 code. and there
It's definitely worth looking at the autotest server code/samples.
There exists code in-tree already to build an deploy kvm via autotest
server mode which a single machine can drive the building, installing,
creation of guests on N number of clients, directing each guest
image to run various
Rik Theys wrote:
Hi,
I'm looking into virtualizing some of our servers onto two (or more)
physical nodes with either KVM or Xen. What are the 'best practices'
for running virtual _servers_ with KVM? Any good/bad experiences with
running KVM for virtual servers that have to run for months on
Martin Michlmayr wrote:
I installed a Windows XP SP2 guest on a Debian x86_64 host The
installation itself went fine but kvm aborts when when XP starts
during Windows XP Setup. XP mentions something with intelppm.sys
(see the attached screenshot) and kvm says:
kvm_run: Unknown error 524
Yang, Sheng wrote:
On Tuesday 15 July 2008 23:19:07 Dor Laor wrote:
Martin Michlmayr wrote:
I installed a Windows XP SP2 guest on a Debian x86_64 host The
installation itself went fine but kvm aborts when when XP starts
during Windows XP Setup. XP mentions something with
intelppm.sys
Marcelo Tosatti wrote:
On Tue, Jul 22, 2008 at 10:22:00AM +0200, Jan Kiszka wrote:
The in-kernel PIT rearms relative to host clock, so the frequency is
more reliable (next_expiration = prev_expiration + count).
The same happens under plain QEMU:
static void
Anthony Liguori wrote:
The last time I posted the KVM patch series to qemu-devel, the -tdf patch met
with
some opposition. Since today we implement timer catch-up in the in-kernel PIT
and
the in-kernel PIT is used by default, it doesn't seem all that valuable to have
timer catch-up in
Anthony Liguori wrote:
Gleb Natapov wrote:
On Tue, Jul 22, 2008 at 08:20:41PM -0500, Anthony Liguori wrote:
Currently both in-kernel PIT and even the in kernel irqchips are
not 100% bullet proof.
Of course this code is a hack, Gleb Natapov has send better fix
for PIT/RTC to qemu list.
Kent Borg wrote:
I am very happy to discover that KVM does live migration. Now I am
figuring out whether it will work for me.
What I have in mind is to use DRBD for the file system image. The
problem is that during the migration I want to shift the file system
access at the moment when the
Martin Maurer wrote:
Using IDE boot disk, no problem. Win2008 (64bit) works without any problems - 6
gb ram in the guest.
After successful booting IDE, I added a second disk using SCSI: windows see the
disk but cannot initialize the disk.
So SCSI looks quite unusable if you run windows guest
Mark McLoughlin wrote:
The idea here is that with GSO, packets are much larger
and we can allow the vcpu threads to e.g. process irq
acks during the window where we're reading these
packets from the tapfd.
Signed-off-by: Mark McLoughlin [EMAIL PROTECTED]
---
qemu/vl.c |2 ++
1 files
Mark McLoughlin wrote:
virtio_net tries to guess when it has received a tx
notification from the guest whether it indicates that the
guest has no more room in the tx ring and it should
immediately flush the queued buffers.
The heuristic is based on the fact that there are 128
buffer entries in
Marcelo Tosatti wrote:
The in-kernel PIT emulation can either inject too many or too few
interrupts.
While it's an improvement, the in-kernel pit is still not perfect. For
example, on pit frequency changes the
pending count should be recalculated and matched to the new frequency. I
also
Andrea Arcangeli wrote:
On Wed, Jul 30, 2008 at 11:50:43AM +0530, Amit Shah wrote:
* On Tuesday 29 July 2008 18:47:35 Andi Kleen wrote:
I'm not so interested to go there right now, because while this code
is useful right now because the majority of systems out there lacks
VT-d/iommu, I
Can you try http://kvm.qumranet.com/kvmwiki/WindowsGuestDebug
You can use windows host as a VM too.
Since (in the past) there was a problem with the virtual serial polling
you can use -no-kvm and the
qemu patch, as described in the wiki.
Good luck, Dor.
Muppana, Bhaskar wrote:
Hi,
I am
Yuksel Gunal wrote:
Hi,
I have been playing with KVM and was wondering about the following
question: is there a resource configuration setting that would enforce
a fraction of CPU to be guaranteed for a KVM guest? What I have on
mind is something similar to the reservation setting on VMware
Can you please try an update version of the windows drivers?
I also added a dummy installer you can use too:
http://kvm.qumranet.com/kvmwiki/VirtioWindowsDrivers
Regards,
Dor
Yann Dupont wrote:
Hello. I'm using kvm whit great succes for various OS. Very good job.
In June I started using
Sorry for that, seems like there where some instructions missing.
Since we did not (yet soon) sign the drivers you need to install a
certificate workaround manually:
There are 2 things to do on 64-bit before installation.
1. Install certificate using installcertificate.bat
2. If Test mode
Maurer]
YES, working!
Testing again (I already have now a KVM 75, but I assume this does not make any
difference here).
I followed your instructions, the driver installed without any warning as
expected after installing the certificate.
The only issue: the connection shows only 100mbit
Daniel J Blueman wrote:
When using Windows XP 32 installed with TCP/IP and microsoft client
networking, I can reproduce an intermittent BSOD [1] with kvmnet.sys
1.0.0 and 1.2.0, by aborting a large data transfer in an application.
Since this reproduces with 1.0.0 kvmnet.sys, it looks unrelated
Matias Aguirre wrote:
Hi all,
Im using 2.6.26.5 kernel and slackware-current distribution. I was
compiled the latest 76 version of kvm and when i run kvm i return this
error:
open /dev/kvm: No such device or address
Could not initialize KVM, will disable KVM support
The module is already
Avi Kivity wrote:
Chris Wright wrote:
I think it's safe to say the perf folks are concerned w/ data integrity
first, stable/reproducible results second, and raw performance third.
So seeing data cached in host was simply not what they expected. I
think
write through is sufficient. However
Veiko Kukk wrote:
Hi!
My desktop machine is HP dc5750 SFF, CPU is AMD Athlon(tm) 64 X2 Dual
Core Processor 4600+, /proc/cpuinfo lists svm flag. I'm using 2.6.27
kernel on FC9, qemu-system-x86_64 info version 0.9.1.
How can I be absolutely sure, that my kvm virtual machines are using
AMD-V?
Jeff Kowalczyk wrote:
I'm running a physical-to-virtual Windows XP Dell OEM instance on Ubuntu
8.04.1 kvm-62 with kvm-intel and bridged networking.
After early BSOD difficulty with the output of VMWare Converter
3.0.3, I did manage to get the XP P2V instance ready to run under
kvm after
Michael Tokarev wrote:
Right now (2.6.27), there's no way to change MTU of a
virtio-net interface, since the mtu-changing method is
not provided. Is there a simple way to add such a
beast?
It should be a nice easy patch for mtu 4k.
You can just implement a 'change_mtu' handler like:
static
Michael Tokarev wrote:
Dor Laor wrote:
Michael Tokarev wrote:
Dor Laor wrote:
Michael Tokarev wrote:
Right now (2.6.27), there's no way to change MTU of a
virtio-net interface, since the mtu-changing method is
not provided. Is there a simple way to add
Farkas Levente wrote:
Avi Kivity wrote:
Farkas Levente wrote:
There is the maint/ series on git.kernel.org. It doesn't have formal
releases though.
do you plan any formal release? and it'd be nice to see the relationship
between the current devel tree and the stable
Farkas Levente wrote:
Dor Laor wrote:
on the other hand the real question are you plan to somehow stabilize
any of the following release in the near future? in the last 1.5 years
we wait for this. or you currently not recommend and not plan to use
kvm
in production? it's also an option
Passera, Pablo R wrote:
Hi everyone,
I want to assign a PCI device directly to a VM (PCI passthrough) in a
machine that does not have VT-d. I found something related with this in a
presentation done at the 2008 KVM Forum called 1-1 mapping and a patch for this
at
Adrian Schmitz wrote:
Sorry for the repost.. I forgot the subject line!
Hi, I'm having problems with STOP errors (0x00d1) under
KVM-79/2.6.18 whenever I try to use the virtio drivers. This post
(http://marc.info/?l=kvmm=121089259211638w=2) describes the issue
exactly, except that I'm using a
Michael Tokarev wrote:
Dor Laor wrote:
[]
Although it had worked for us out of tree, there is no immediate need to
pursue it.
If anyone would like to nurture these patches he is more than welcome.
ps: you also have pv-dma option for Linux guests (same status though).
As time goes by most
Adrian Schmitz wrote:
On Wed, Dec 03, 2008 at 11:20:08AM -0800, Chris Wedgwood wrote:
TSC instability? Is this an SMP guest?
Ok, I tried pinning the kvm process to two cores (0,2) on a single
socket, but that didn't seem to make any difference for my virtio
network
Passera, Pablo R wrote:
Hi all,
I am trying to communicate two VMs using a virtio driver. Once a data
is moved to the driver I want to notify the other Qemu process that there is
new data available in the buffer. I was thinking about using linux signals to
synchronize both processes
Evgeniy Polyakov wrote:
On Tue, Dec 16, 2008 at 08:57:27AM +0200, Gleb Natapov (g...@redhat.com) wrote:
Another approach is to implement that virtio backend with netlink based
userspace interface (like using connector or genetlink). This does not
differ too much from what you have with
Avi Kivity wrote:
Marcelo Tosatti wrote:
The tsc clock on older Linux 2.6 kernels compensates for lost ticks.
The algorithm uses the PIT count (latched) to measure the delay between
interrupt generation and handling, and sums that value, on the next
interrupt, to the TSC delta.
Sheng
Avi Kivity wrote:
Marcelo Tosatti wrote:
I'm worried about:
- boot guest using local apic timer
- reset
- boot with pit timer
- a zillion interrupts
So at the very least, we need a limiter.
Or have a new notifier on kvm_pic_reset, instead of simply acking one
pending irq? That seems
On 02/17/2011 12:09 PM, Vadim Rozenfeld wrote:
On Thu, 2011-02-17 at 11:11 +0200, Avi Kivity wrote:
On 02/16/2011 09:54 PM, --[ UxBoD ]-- wrote:
Hello all,
I believe I am hitting a problem on one of our Windows 2003 KVM guests were I
believe it is running out of Entropy and causing SSL
On 06/08/2010 09:43 PM, Gordan Bobic wrote:
Is this plausible?
I'm trying to work out if it's even worth considering this approach to
enable all memory used by in a system to be open to KSM page merging,
rather than only memory used by specific programs aware of it (e.g.
kvm/qemu).
Something
On 06/09/2010 01:31 PM, Gordan Bobic wrote:
On 06/09/2010 09:56 AM, Paolo Bonzini wrote:
Or is this too crazy an idea?
It should work. Note that the the malloced memory should be aligned in
order to get better sharing.
Within glibc malloc large blocks are mmaped, so they are automatically
On 07/01/2010 07:05 PM, Lucas Meneghel Rodrigues wrote:
On Thu, 2010-07-01 at 17:42 +0300, Avi Kivity wrote:
On 06/30/2010 06:39 PM, Lucas Meneghel Rodrigues wrote:
By default, HPET is enabled on qemu and no time drift
mitigation is being made for it. So, add -no-hpet
if qemu supports it,
On 08/03/2010 02:36 AM, Anthony Liguori wrote:
On 08/02/2010 05:42 PM, Andre Przywara wrote:
Anthony Liguori wrote:
On 08/02/2010 08:49 AM, Ulrich Drepper wrote:
glibc uses the cache size information returned by cpuid to perform
optimizations. For instance, copy operations which would pollute
On 08/02/2010 11:50 PM, Stefan Hajnoczi wrote:
On Mon, Aug 2, 2010 at 6:46 PM, Anthony Liguorianth...@codemonkey.ws wrote:
On 08/02/2010 12:15 PM, John Leach wrote:
Hi,
I've come across a problem with read and write disk IO performance when
using O_DIRECT from within a kvm guest. With
On 08/16/2010 10:00 PM, Alex Rixhardson wrote:
Hi guys,
I have the following configuration:
1. host is RHEL 5.5, 64bit with KVM (version that comes out of the box
with RHEL 5.5)
2. two guests:
2a: RHEL 5.5, 32bit,
2b: RHEL 4.5, 64bit
If I run iperf between host RHEL 5.5 and guest RHEL 5.5
On 08/17/2010 12:22 AM, Alex Rixhardson wrote:
Thanks for the suggestion.
I tried with the netperf. I ran netserver on host and netperf on RHEL
5.5 and RHEL 4.5 guests. This are the results of 60 seconds long
tests:
RHEL 4.5 guest:
Throughput (10^6bits/sec) = 145.80
At least it bought you
On 08/17/2010 12:51 AM, Alex Rixhardson wrote:
I tried with 'notsc divider=10' (since it's 64 bit guest), but the
results are the still same :-(. The guest is idle at the time of
testing. It has 2 CPU and 1024 MB RAM available.
Hmm, are you using e1000 or virtio for the 4.5 guest?
e1000 should
On 01/06/2010 12:09 PM, Gleb Natapov wrote:
On Wed, Jan 06, 2010 at 05:48:52PM +0800, Sheng Yang wrote:
Hi Beth
I still found the emulated HPET would result in some boot failure. For
example, on my 2.6.30, with HPET enabled, the kernel would fail check_timer(),
especially in timer_irq_works().
On 01/06/2010 05:16 PM, Anthony Liguori wrote:
On 01/06/2010 08:48 AM, Dor Laor wrote:
On 01/06/2010 04:32 PM, Avi Kivity wrote:
On 01/06/2010 04:22 PM, Michael S. Tsirkin wrote:
We can probably default -enable-kvm to -cpu host, as long as we
explain
very carefully that if users wish
On 01/07/2010 10:18 AM, Avi Kivity wrote:
On 01/07/2010 10:03 AM, Dor Laor wrote:
We can debate about the exact name/model to represent the Nehalem
family, I don't have an issue with that and actually Intel and Amd
should define it.
AMD and Intel already defined their names (in cat /proc
On 01/07/2010 11:24 AM, Avi Kivity wrote:
On 01/07/2010 11:11 AM, Dor Laor wrote:
On 01/07/2010 10:18 AM, Avi Kivity wrote:
On 01/07/2010 10:03 AM, Dor Laor wrote:
We can debate about the exact name/model to represent the Nehalem
family, I don't have an issue with that and actually Intel
On 01/07/2010 01:39 PM, Anthony Liguori wrote:
On 01/07/2010 03:40 AM, Dor Laor wrote:
There's no simple solution except to restrict features to what was
available on the first processors.
What's not simple about the above 4 options?
What's a better alternative (that insures users understand
On 01/07/2010 02:00 PM, Avi Kivity wrote:
On 01/07/2010 01:44 PM, Dor Laor wrote:
So if you had a 2.6.18 kernel and a 2.6.33 kernel, it may be necessary
to say:
(2.6.33) qemu -cpu Nehalem,-syscall
(2.6.18) qemu -cpu Nehalem
Or let qemu do it automatically for you.
qemu on 2.6.33 doesn't
On 01/07/2010 03:14 PM, Anthony Liguori wrote:
On 01/07/2010 06:40 AM, Avi Kivity wrote:
On 01/07/2010 02:33 PM, Anthony Liguori wrote:
There's another option.
Make cpuid information part of live migration protocol, and then
support something like -cpu Xeon-3550. We would remember the exact
On 01/21/2010 05:05 PM, Anthony Liguori wrote:
On 01/20/2010 07:18 PM, john cooper wrote:
Chris Wright wrote:
* Daniel P. Berrange (berra...@redhat.com) wrote:
To be honest all possible naming schemes for '-cpuname' are just as
unfriendly as each other. The only user friendly option is '-cpu
On 01/25/2010 04:21 PM, Anthony Liguori wrote:
On 01/25/2010 03:08 AM, Dor Laor wrote:
qemu-config.[ch], taking a new command line that parses the argument via
QemuOpts, then passing the parsed options to a target-specific function
that then builds the table of supported cpus.
It should just
On 02/14/2010 07:07 PM, Michael Goldish wrote:
- Lucas Meneghel Rodriguesl...@redhat.com wrote:
As our configuration system generates a list of dicts
with test parameters, and that list might be potentially
*very* large, keeping all this information in memory might
be a problem for
On 02/17/2010 12:51 PM, carlopmart wrote:
Hi all,
I need to install several windows KVM (rhel5.4 host fully updated)
guests for iSCSI boot. iSCSI servers are Solaris/OpenSolaris storage
servers and I need to boot windows guests (2008R2 and Win7) using gpxe.
Can i use virtio net dirver during
On 03/14/2010 09:10 AM, Gleb Natapov wrote:
On Sun, Mar 14, 2010 at 09:05:50AM +0200, Avi Kivity wrote:
On 03/11/2010 09:08 PM, Marcelo Tosatti wrote:
I have kept --no-hpet in my setup for
months...
Any details about the problems? HPET is important to some guests.
As Gleb mentioned in
On 03/14/2010 12:27 PM, Avi Kivity wrote:
On 03/14/2010 12:23 PM, Dor Laor wrote:
On 03/14/2010 09:10 AM, Gleb Natapov wrote:
On Sun, Mar 14, 2010 at 09:05:50AM +0200, Avi Kivity wrote:
On 03/11/2010 09:08 PM, Marcelo Tosatti wrote:
I have kept --no-hpet in my setup for
months...
Any
FYI. Long ago we discussed key value approach on top of virtio-serial.
Original Message
Subject: [PATCH]: An implementation of HyperV KVP functionality
Date: Thu, 11 Nov 2010 13:03:10 -0700
From: Ky Srinivasan ksriniva...@novell.com
To: de...@driverdev.osuosl.org,
On 11/23/2010 08:41 AM, Avi Kivity wrote:
On 11/23/2010 01:00 AM, Anthony Liguori wrote:
qemu-kvm vcpu threads don't response to SIGSTOP/SIGCONT. Instead of
teaching
them to respond to these signals, introduce monitor commands that stop
and start
individual vcpus.
The purpose of these commands
On 11/29/2010 06:23 PM, Stefan Hajnoczi wrote:
On Mon, Nov 29, 2010 at 3:00 PM, Yoshiaki Tamura
tamura.yoshi...@lab.ntt.co.jp wrote:
2010/11/29 Paul Brookp...@codesourcery.com:
If devices incorrectly claim support for live migration, then that should
also be fixed, either by removing the
On 12/13/2010 09:42 PM, Manfred Heubach wrote:
Gleb Natapovglebat redhat.com writes:
On Wed, Jul 28, 2010 at 12:53:02AM +0300, Harri Olin wrote:
Gleb Natapov wrote:
On Wed, Jul 21, 2010 at 09:25:31AM +0300, Harri Olin wrote:
Gleb Natapov kirjoitti:
On Mon, Jul 19, 2010 at 10:17:02AM
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