ich
was a bit behind, so it had to update over 300 packages.
The host is running 2.6.38-1-amd64 (2.6.38+32) from debian, qemu-kvm 0.14.0,
and the guest was running 2.6.38-2-amd64 (not sure on the + number).
Is this a known problem, thats hopefully fixed in newer kernels and qemu/kvm
pack
On August 9, 2011, Avi Kivity wrote:
> On 08/07/2011 05:06 PM, Thomas Fjellstrom wrote:
> > Occasionally when there's heavy cpu and/or io load, a kvm guest will lock
> > up for minutes at a time, last occurrence was for about 12 minutes or
> > so, and
On August 9, 2011, Avi Kivity wrote:
> On 08/09/2011 03:03 PM, Thomas Fjellstrom wrote:
> > > Your guest isn't using kvmclock for some reason. Is it compiled in
> > > the guest kernel? What are the contents of
> > > /sys/devices/system/clocksource/clo
On August 9, 2011, Avi Kivity wrote:
> On 08/09/2011 05:31 PM, Thomas Fjellstrom wrote:
> > On August 9, 2011, Avi Kivity wrote:
> > > On 08/09/2011 03:03 PM, Thomas Fjellstrom wrote:
> > > > > Your guest isn't using kvmclock for some reason. Is it
>
On August 9, 2011, Avi Kivity wrote:
> On 08/09/2011 05:46 PM, Thomas Fjellstrom wrote:
> > > > Does it matter that I have several vms running? Is there a way to
> > > > limit it to tracing the single kvm process that's been locking up?
> > >
> &g
On August 9, 2011, Avi Kivity wrote:
> On 08/09/2011 05:46 PM, Thomas Fjellstrom wrote:
> > > > Does it matter that I have several vms running? Is there a way to
> > > > limit it to tracing the single kvm process that's been locking up?
> > >
> &g
OTONIC would make more
sense. You (at least I don't think you do) really don't want host clock
changes to interfere with a guest so much that it sleeps forever.
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the
I just noticed something interesting, a virtual machine on one of my servers
seems to have 69 threads (including the main thread). Other guests on the
machine only have a couple threads.
Is this normal? or has something gone horribly wrong?
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On September 27, 2011, Avi Kivity wrote:
> On 09/27/2011 03:29 AM, Thomas Fjellstrom wrote:
> > I just noticed something interesting, a virtual machine on one of my
> > servers seems to have 69 threads (including the main thread). Other
> > guests on the machine only
erver has 8G of ram, and usually never uses more than about 4G (sitting at
3.4G right now).
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On September 28, 2011, Daniel P. Berrange wrote:
> On Tue, Sep 27, 2011 at 04:04:41PM -0600, Thomas Fjellstrom wrote:
> > On September 27, 2011, Avi Kivity wrote:
> > > On 09/27/2011 03:29 AM, Thomas Fjellstrom wrote:
> > > > I just noticed something interesting,
back into the old kernel, the one guest still won't start,
while the rest do. I'm thoroughly confused.
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Mor
On Sat Feb 18, 2012, Jan Kiszka wrote:
> On 2012-02-18 05:49, Thomas Fjellstrom wrote:
> > I just updated my kvm host, kernel upgraded from 2.6.38 up to 3.2, and
> > qemu+qemu-kvm updated (not sure from what to what). But after the
> > upgrade, one of my guests will not st
On Sat Feb 18, 2012, Thomas Fjellstrom wrote:
> On Sat Feb 18, 2012, Jan Kiszka wrote:
> > On 2012-02-18 05:49, Thomas Fjellstrom wrote:
> > > I just updated my kvm host, kernel upgraded from 2.6.38 up to 3.2, and
> > > qemu+qemu-kvm updated (not sure from w
On Sat Feb 18, 2012, Jan Kiszka wrote:
> On 2012-02-18 09:50, Thomas Fjellstrom wrote:
> > On Sat Feb 18, 2012, Jan Kiszka wrote:
> >> On 2012-02-18 05:49, Thomas Fjellstrom wrote:
> >>> I just updated my kvm host, kernel upgraded from 2.6.38 up to 3.2, and
> &g
On Sat Feb 18, 2012, Jan Kiszka wrote:
> On 2012-02-18 09:50, Thomas Fjellstrom wrote:
> > On Sat Feb 18, 2012, Jan Kiszka wrote:
> >> On 2012-02-18 05:49, Thomas Fjellstrom wrote:
> >>> I just updated my kvm host, kernel upgraded from 2.6.38 up to 3.2, and
> &g
On Sat Feb 18, 2012, Thomas Fjellstrom wrote:
> On Sat Feb 18, 2012, Jan Kiszka wrote:
> > On 2012-02-18 09:50, Thomas Fjellstrom wrote:
> > > On Sat Feb 18, 2012, Jan Kiszka wrote:
> > >> On 2012-02-18 05:49, Thomas Fjellstrom wrote:
> > >>> I just upd
On Tue Feb 28, 2012, you wrote:
> On 2012-02-19 21:13, Thomas Fjellstrom wrote:
> > I'm pretty much stumped on this. So I decided to try re-creating the vm
> > through virt-manager. Its up and running now. The only to major
> > differences I can see in the old and new
upport for that?
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On Sun August 16 2009, Avi Kivity wrote:
> On 08/16/2009 12:55 PM, Thomas Fjellstrom wrote:
> > I'm wondering if kvm supports automatic memory ballooning. I've had a kvm
> > guest running for a couple days, and the balloon driver was loaded, and I
> > could manually
On Sun August 16 2009, Dor Laor wrote:
> On 08/16/2009 05:18 PM, Thomas Fjellstrom wrote:
> > On Sun August 16 2009, Avi Kivity wrote:
> >> On 08/16/2009 12:55 PM, Thomas Fjellstrom wrote:
> >>> I'm wondering if kvm supports automatic memory ballooning. I
On Mon August 17 2009, Avi Kivity wrote:
> On 08/17/2009 01:49 PM, Thomas Fjellstrom wrote:
> > One thing I found odd about kvm's ballooning is that it actually seems to
> > change how much ram the guest has. I really didn't expect "free -m" to
> > repor
On Sun August 16 2009, Avi Kivity wrote:
> On 08/16/2009 12:55 PM, Thomas Fjellstrom wrote:
> > I'm wondering if kvm supports automatic memory ballooning. I've had a kvm
> > guest running for a couple days, and the balloon driver was loaded, and I
> > could manually
ly what I want to do is assign a two or three physical nics (100mb and
GiB) to one vm, some tv tuner cards to another.
Also, I'm wondering if AMD's iommu in the SB750 southbridge is supported yet?
Or if anyone is working on it?
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I have to test with right
now is an AMD Phenom X4 with a 780g+sb700 system. Don't think it has an
iommu, and I'd find it odd if the intel VT-d code "just worked" on amd's
hardware.
> Randy (Weidong)
>
> Thomas Fjellstrom wrote:
> > I'm very interested i
On Saturday 27 September 2008, Han, Weidong wrote:
> Thomas Fjellstrom wrote:
> > On Saturday 27 September 2008, Han, Weidong wrote:
> >> Hi Thomas,
> >>
> >> the patches of passthrough/VT-d on kvm.git are already checked in.
> >> With Amit's user
[kernel] [] sys_ioctl+0x3d/0x5f
> Sep 22 02:28:54 [kernel] []
> system_call_fastpath+0x16/0x1b
> Sep 22 02:28:54 [kernel] ---[ end trace 7b8b990423985ddf ]---
> Sep 22 02:28:54 [kernel] [ cut here ]
>
>
> Xen works with that card, but Xen has o
On Saturday 27 September 2008, Jan C. Bernauer wrote:
> Thomas Fjellstrom wrote:
> > How did you manage to pull together those patches? They all seem so
>
> old, and
>
> > won't likely apply cleanly to git head :(
>
> Which patches do you mean? The patches fo
On Saturday 27 September 2008, Thomas Fjellstrom wrote:
> On Saturday 27 September 2008, Jan C. Bernauer wrote:
> > Thomas Fjellstrom wrote:
> > > How did you manage to pull together those patches? They all seem so
> >
> > old, and
> >
> > > won't
On Saturday 27 September 2008, Jan C. Bernauer wrote:
> Thomas Fjellstrom wrote:
> > So I've checked out both of those trees and used head, and kvm-userspace
> > is erroring out:
> >
> > gcc -I. -I.. -I/root/kvm-amit-userspace/qemu/target-i386
> > -I/root/kvm-
On Saturday 27 September 2008, Jan C. Bernauer wrote:
> Thomas Fjellstrom wrote:
> > that leaves me with:
> >
> > /root/kvm-amit-userspace/qemu/../libkvm/libkvm.h:28: warning: âstruct
> > kvm_msr_entryâ declared inside parameter list
> > /root/kvm-amit-userspace/qe
On Sunday 28 September 2008, Amit Shah wrote:
> * On Saturday 27 Sep 2008 13:27:46 Thomas Fjellstrom wrote:
> > On Saturday 27 September 2008, Han, Weidong wrote:
> > > Thomas Fjellstrom wrote:
> > > > On Saturday 27 September 2008, Han, Weidong wrote:
> > &
e the cirrus or stdvga driver be able to
> > do that ever ;)
>
> cirrus has pretty good 2d acceleration. 3D is a mega-project though.
>
You're kidding right? Why do I have to switch to vmware-vga so "dmesg" in a
guest doesn't take a couple minutes to scroll b
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>
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tOS 5.4 VPS with unmetered bandwidth only $25/month!
> 7 day no risk trial, Google Checkout accepted
>
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On Sun November 15 2009, Gordan Bobic wrote:
> Thomas Fjellstrom wrote:
> > On Sun November 15 2009, Neil Aggarwal wrote:
> >>> The Core i7 has hyperthreading, so you see 8 logical CPUs.
> >>
> >> Are you saying the AMD processors do not have hyperthreading
ory back, besides by
swapping large portions of unused guest ram, my host currently has over 1G
used swap. Not particularly happy with that, but it doesn't seem to effect
performance too much (except that it generally likes to swap host processes
first, guest performance is decent, but host
On Sun December 13 2009, Avi Kivity wrote:
> On 12/12/2009 10:37 PM, Thomas Fjellstrom wrote:
> > I have the opposite happen, when a VM is started, RES is usually lower
> > than -m, which I find slightly odd. But makes sense if qemu/kvm don't
> > actually allocate mem
On Sun December 13 2009, Avi Kivity wrote:
> On 12/13/2009 06:41 PM, Thomas Fjellstrom wrote:
> >> Use the balloon driver to return memory to the host.
> >
> > Will it actually just free the memory and leave the total memory size
> > in the VM alone? Last I checked it
w much memory a process is using.
>
> is using 1214 at this moment sometimes it goes up a lot more..
>
> On 12/13/09 11:41 AM, Thomas Fjellstrom wrote:
> > On Sun December 13 2009, Avi Kivity wrote:
> >> On 12/12/2009 10:37 PM, Thomas Fjellstrom wrote:
> >>>
ap. Things are pretty tight memory wise for
me, I'm hoping KSM in 2.6.32 will help alleviate matters some what.
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On Tue December 15 2009, Avi Kivity wrote:
> On 12/13/2009 07:16 PM, Thomas Fjellstrom wrote:
> >> Linux usually keeps very little RAM free (it's kept as cache). So
> >> there has to be some action on the part of the host to get the guest
> >> to free things.
On Wed December 16 2009, Avi Kivity wrote:
> On 12/16/2009 01:21 AM, Thomas Fjellstrom wrote:
> >>> The problem is it should be automatic. The balloon driver itself or
> >>> some other mechanism should be capable of noticing when it can free
> >>> up a bunch
On Wed December 16 2009, Avi Kivity wrote:
> On 12/16/2009 11:58 AM, Thomas Fjellstrom wrote:
> >> It depends on what your expectations are. If you have a lot of memory
> >> you might be surprised when you access an idle guest and have to wait
> >> for it
some
kind of DMA warning/error related to the guest's disk saying it would retry,
but it seems it never got that far.
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On Sun January 3 2010, Thomas Fjellstrom wrote:
> I have a strange issue, one of my free bsd guests started using up 100%
> cpu and wouldnt respond in the console after a md-raid check started on
> the raid1 volume the vm has its lvm volumes on. About the only thing I
> could do w
just for kicks:
r...@boris:~# free -m
total used free sharedbuffers cached
Mem: 3964 3891 72 0108 1686
-/+ buffers/cache: 2096 1867
Swap: 7627383 7244
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On Sun January 3 2010, Thomas Fjellstrom wrote:
> On Sun January 3 2010, Thomas Fjellstrom wrote:
> > I have a strange issue, one of my free bsd guests started using up 100%
> > cpu and wouldnt respond in the console after a md-raid check started
> > on the raid1 volume the v
On Sun January 3 2010, Thomas Fjellstrom wrote:
> On Sun December 27 2009, Avi Kivity wrote:
> > On 12/27/2009 07:00 PM, Daniel Bareiro wrote:
> > >> Also, qemu might be leaking memory. Please post 'pmap $pid' for all
> > >> of your guests (do
On Mon January 4 2010, Gleb Natapov wrote:
> On Mon, Jan 04, 2010 at 08:06:15AM -0700, Thomas Fjellstrom wrote:
> > On Sun January 3 2010, Thomas Fjellstrom wrote:
> > > On Sun January 3 2010, Thomas Fjellstrom wrote:
> > > > I have a strange issue, one of my fr
is could be? I attach a dmesg output of my host.
> > Thx.
> >
> > Ben
>
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e
issues with even the console being horrendously slow, and switching to vmvga
improved performance.
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On Sat January 9 2010, John Wong wrote:
> Thomas Fjellstrom 提到:
> > What happens if you try the vmvga video adapter instead? I used to have
> > issues with even the console being horrendously slow, and switching to
> > vmvga improved performance.
>
> Sorry, what is
h an emulated nic, so that's probably why the cpu load is so
high.
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I also intend to use "raw" devices
(possibly AoE) for guest disks (not qcow or anything like it), and virtio for
networking.
So has anyone tested the two lately? Got any experiences you'd like to share?
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On Tuesday 10 February 2009, Thomas Fjellstrom wrote:
> I've temporarily got vmware server running on my new "server", and intend
> to migrate over to kvm as soon as possible, if it provides enough incentive
> (extra performance, features). Currently I'm waiting fo
t their day to day
experiences with vmware and how kvm matches up to it. And even if it did, it
doesn't sound like something thats actually legally binding. Otherwise I can
start putting things like YOU MUST NEVER TALK AGAIN in my eulas.
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>
> Why compare kvm to vmware and not to real hardware? The results can than
> be compared to vmware/hardware and hyper-v/hardware.
hyper-v doesn't provide network or disk io ;)
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