..@hotmail.com>
>> wrote:
>> > Hi Guys,
>> >
>> > I found below patch for KVM TSC trapping / migration support,
>> >
>> > https://lkml.org/lkml/2011/1/6/90
>> >
>> > It seemed the patch were not merged in Linux mainline.
&
t;
> > https://lkml.org/lkml/2011/1/6/90
> >
> > It seemed the patch were not merged in Linux mainline.
> >
> > So I have 3 questions here,
> >
> > 1. Can KVM support TSC trapping today? If not, what is the plan?
>
> Not without a patch. Did
have 3 questions here,
1. Can KVM support TSC trapping today? If not, what is the plan?
Not without a patch. Did you want to trap RDTSC? RDTSC works without
trapping thanks to hardware support.
2. What is the solution if my SMP Linux guest OS doesn't have reliable
TSC?
If you are
On Tue, Sep 15, 2015 at 12:04 AM, Oliver Yang <yang_oli...@hotmail.com> wrote:
> Hi Guys,
>
> I found below patch for KVM TSC trapping / migration support,
>
> https://lkml.org/lkml/2011/1/6/90
>
> It seemed the patch were not merged in Linux mainline.
>
> So I h
Hi Guys,
I found below patch for KVM TSC trapping / migration support,
https://lkml.org/lkml/2011/1/6/90
It seemed the patch were not merged in Linux mainline.
So I have 3 questions here,
1. Can KVM support TSC trapping today? If not, what is the plan?
2. What is the solution if my SMP
Thanks Stefan.
Am 5/7/2015 um 11:23 AM schrieb Stefan Hajnoczi:
The network stack is very flexible, so many configurations are possible.
A popular bridged Ethernet configuration is:
guest - vhost_net.ko - tap - software bridge - eth0
The flow is:
1. Packet is received on physical eth0
OK
On 10/01/2015 05:14, nick wrote:
Greetings Again Everyone,
I have a few questions about fix mes in emulate.c. They are listed
in numerical order below.
1. For __emulate_int_real somebody stated we need limit checks. What
checks are needed for my information.
These are written
Hi MST,
I see reduce networking latency
from Networking Todo, the idea is to allow handling short packets from softirq
or VCPU context.
If from softirq context, how could softirq copy skb to guest memory? If the
method is to use mmstruct of Qemu,
would it be expensive?
If from VCPU context,
On Wed, Aug 20, 2014 at 05:37:01PM +0800, Zhangjie (HZ) wrote:
Hi MST,
I see reduce networking latency
from Networking Todo, the idea is to allow handling short packets from
softirq or VCPU context.
If from softirq context, how could softirq copy skb to guest memory? If the
method is to
Hi, all
I'm using VFIO to assign intel 82599 VF to VM, now I encounter a
problem,
82599 PF and its VFs belong to the same iommu_group, but I only want
to assign some VFs to one VM, and some other VFs to another VM,
so how to only unbind (part of) the VFs but PF?
I read the
Hi, all
I'm using VFIO to assign intel 82599 VF to VM, now I encounter a
problem,
82599 PF and its VFs belong to the same iommu_group, but I only want
to assign some VFs to one VM, and some other VFs to another VM,
so how to only unbind (part of) the VFs but PF?
I read the
On Mon, 2014-08-18 at 17:49 +0800, Zhang Haoyu wrote:
Hi, all
I'm using VFIO to assign intel 82599 VF to VM, now I encounter a
problem,
82599 PF and its VFs belong to the same iommu_group, but I only
want to assign some VFs to one VM, and some other VFs to another VM,
so
Hi, all
I'm using VFIO to assign intel 82599 VF to VM, now I encounter a problem,
82599 PF and its VFs belong to the same iommu_group, but I only want to
assign some VFs to one VM, and some other VFs to another VM, ...,
so how to only unbind (part of) the VFs but PF?
I read the kernel
On Mon, 2014-08-18 at 09:00 +0800, Zhang Haoyu wrote:
Hi, all
I'm using VFIO to assign intel 82599 VF to VM, now I encounter a
problem,
82599 PF and its VFs belong to the same iommu_group, but I only want to
assign some VFs to one VM, and some other VFs to another VM, ...,
so
Hi, all
I'm using VFIO to assign intel 82599 VF to VM, now I encounter a problem,
82599 PF and its VFs belong to the same iommu_group, but I only want to
assign some VFs to one VM, and some other VFs to another VM, ...,
so how to only unbind (part of) the VFs but PF?
I read the kernel doc
On Sat, 2014-08-16 at 14:48 +0800, Zhang Haoyu wrote:
Hi, all
I'm using VFIO to assign intel 82599 VF to VM, now I encounter a problem,
82599 PF and its VFs belong to the same iommu_group, but I only want to
assign some VFs to one VM, and some other VFs to another VM, ...,
so how to
Hi, all
I'm using VFIO to assign intel 82599 VF to VM, now I encounter a problem,
82599 PF and its VFs belong to the same iommu_group, but I only want to assign
some VFs to one VM, and some other VFs to another VM, ...,
so how to only unbind (part of) the VFs but PF?
I read the kernel doc
On Thu, 2014-08-14 at 16:22 +0800, Zhang Haoyu wrote:
Hi, all
I'm using VFIO to assign intel 82599 VF to VM, now I encounter a problem,
82599 PF and its VFs belong to the same iommu_group, but I only want to
assign some VFs to one VM, and some other VFs to another VM, ...,
so how to only
Hi Zhang,
No I haven't seen such problem
Which kernel version are you running?
Host kernel: RHEL7-RC1(linux-3.10.0).
Does it include the latest lazy eli changes?
lazy eli or lazy eoi?
EOI
How to confirm whether lazy eli has been included?
not in linux-3.10.0
So, do you mean hv_vapic
On Mon, 2014-08-04 at 14:29 +0800, Zhang Haoyu wrote:
Hi Zhang,
No I haven't seen such problem
Which kernel version are you running?
Host kernel: RHEL7-RC1(linux-3.10.0).
Does it include the latest lazy eli changes?
lazy eli or lazy eoi?
EOI
How to confirm whether lazy eli has been
Hi Zhang,
No I haven't seen such problem
Which kernel version are you running?
Host kernel: RHEL7-RC1(linux-3.10.0).
Does it include the latest lazy eli changes?
lazy eli or lazy eoi?
How to confirm whether lazy eli has been included?
Btw, hv_spinlocks=0xfff is a pretty huge value.
which
Hi, Vadim
I start a vm(windows server 2008 64bit) with below qemu command, get stuck with
black screen during boot stage,
no error report by qemu and kvm hypervisor, but if I remove the item
hv_vapic, then start and run the VM successfully.
/var/run/qemu-server/5195516385344.pid -daemonize
...@redhat.com
Cc: Jidong Xiao jidong.x...@gmail.com, qemu-devel
qemu-de...@nongnu.org, kvm kvm@vger.kernel.org
Sent: Monday, August 4, 2014 12:17:41 PM
Subject: Re: Re: [Qemu-devel] [questions] about KVM as
aMicrosoft-compatiblehypervisor
Hi, Vadim
I start a vm(windows server 2008 64bit
On Mon, 2014-06-30 at 09:39 +0800, Zhang Haoyu wrote:
Hi, Vadim
I read the kvm-2012-forum paper KVM as a Microsoft-compatible hypervisor,
Any update and other references, please?
Thanks,
Zhang Haoyu
Unfortunately, not too much.
From the the most recent, we have lazy eoi implemented
On Mon, Jun 30, 2014 at 6:02 AM, Vadim Rozenfeld vroze...@redhat.com wrote:
On Mon, 2014-06-30 at 09:39 +0800, Zhang Haoyu wrote:
Hi, Vadim
I read the kvm-2012-forum paper KVM as a Microsoft-compatible hypervisor,
Any update and other references, please?
Thanks,
Zhang Haoyu
On Mon, 2014-06-30 at 06:19 -0400, Jidong Xiao wrote:
On Mon, Jun 30, 2014 at 6:02 AM, Vadim Rozenfeld vroze...@redhat.com wrote:
On Mon, 2014-06-30 at 09:39 +0800, Zhang Haoyu wrote:
Hi, Vadim
I read the kvm-2012-forum paper KVM as a Microsoft-compatible
hypervisor,
Any update and
Hi, Vadim
I read the kvm-2012-forum paper KVM as a Microsoft-compatible hypervisor,
Any update and other references, please?
Thanks,
Zhang Haoyu
Unfortunately, not too much.
From the the most recent, we have lazy eoi implemented by
MST and reference time counter.
How to get the
On Mon, 2014-06-30 at 19:45 +0800, Zhang Haoyu wrote:
Hi, Vadim
I read the kvm-2012-forum paper KVM as a Microsoft-compatible
hypervisor,
Any update and other references, please?
Thanks,
Zhang Haoyu
Unfortunately, not too much.
From the the most recent, we have lazy eoi
Hi, Vadim
I read the kvm-2012-forum paper KVM as a Microsoft-compatible hypervisor,
Any update and other references, please?
Thanks,
Zhang Haoyu
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More majordomo info at
in the QEMU case, since they are all part of the same process (VM
and QEMU), where is the data copy?
Apologies if these are basic questions, trying to understand the path here.
Thanks in advance.
MW
On Tue, Jun 3, 2014 at 4:25 AM, Venkateswara Rao Nandigam
venkateswararao.nandi
?
Apologies if these are basic questions, trying to understand the path here.
Thanks in advance.
MW
On Tue, Jun 3, 2014 at 4:25 AM, Venkateswara Rao Nandigam
venkateswararao.nandi...@citrix.com wrote:
I know that kvm support network tx zero-copy when using vhost, but rx
copy is still performed
1. If IO to a block device goes through QEMU and not vhost, are there
data copies between kernel and user mode if I do IO to a block device
or is it zero copy? Kind of related to Question (2) also.
I'm not sure, it perhaps depend on which IO mode you chose, qemu pthreads
IO, or linux AIO?
it zero copy realtively.
-Original Message-
From: kvm-ow...@vger.kernel.org [mailto:kvm-ow...@vger.kernel.org] On Behalf Of
Marcus White
Sent: Tuesday, June 03, 2014 2:50 AM
To: Zhang Haoyu
Cc: kvm
Subject: Re: Some more basic questions..
A few additional questions:)
1. If IO to a block
A few additional questions:)
1. If IO to a block device goes through QEMU and not vhost, are there
data copies between kernel and user mode if I do IO to a block device
or is it zero copy? Kind of related to Question (2) also.
An additional copy will be avoided only by using vhost, so if you
Sent: Tuesday, June 03, 2014 4:30 PM
To: Venkateswara Rao Nandigam; Marcus White
Cc: kvm
Subject: Re: RE: Some more basic questions..
A few additional questions:)
1. If IO to a block device goes through QEMU and not vhost, are there
data copies between kernel and user mode if I do IO to a block
A few additional questions:)
1. If IO to a block device goes through QEMU and not vhost, are there
data copies between kernel and user mode if I do IO to a block device
or is it zero copy? Kind of related to Question (2) also.
An additional copy will be avoided only by using vhost, so if you
will be done irrespective. Can you please
clarify?
Also in the QEMU case, since they are all part of the same process (VM
and QEMU), where is the data copy?
Apologies if these are basic questions, trying to understand the path here.
Thanks in advance.
MW
On Tue, Jun 3, 2014 at 4:25 AM
A few additional questions:)
1. If IO to a block device goes through QEMU and not vhost, are there
data copies between kernel and user mode if I do IO to a block device
or is it zero copy? Kind of related to Question (2) also.
2. A related question to (1), is the QEMU process separate from
A few additional questions:)
1. If IO to a block device goes through QEMU and not vhost, are there
data copies between kernel and user mode if I do IO to a block device
or is it zero copy? Kind of related to Question (2) also.
I'm not sure, it perhaps depend on which IO mode you chose, qemu
On Mon, Jun 2, 2014 at 8:43 PM, Zhang Haoyu zhan...@sangfor.com wrote:
A few additional questions:)
1. If IO to a block device goes through QEMU and not vhost, are there
data copies between kernel and user mode if I do IO to a block device
or is it zero copy? Kind of related to Question (2) also
Thanks Zhang and Venkateshwara, some more follow up questions below:)
1. Does -realtime mlock=on allocate all the memory upfront and keep it
for the VM, or does it just make sure the memory that is allocated
within the guest is not swapped out under host memory pressure?
“-realtime mlock
, if you want to bypass QEMU, use
vhost=ON on these virtio devices.
-Original Message-
From: kvm-ow...@vger.kernel.org [mailto:kvm-ow...@vger.kernel.org] On Behalf Of
Marcus White
Sent: Thursday, May 29, 2014 2:30 AM
To: kvm
Subject: Some more basic questions..
Hello,
Some more basic
Hello,
Some more basic questions..
1. How can I ensure that memory for the a guest is available and
reserved? In other words, I bring up a Linux VM which has 4G
allocated, I want to make sure it has all the 4G available right away.
I saw references to balloon driver, it seemed like
Thanks Zhang and Venkateshwara, some more follow up questions below:)
1. Does -realtime mlock=on allocate all the memory upfront and keep it
for the VM, or does it just make sure the memory that is allocated
within the guest is not swapped out under host memory pressure?
2. I notice on a 4G
Hello,
Some more basic questions..
1. How can I ensure that memory for the a guest is available and
reserved? In other words, I bring up a Linux VM which has 4G
allocated, I want to make sure it has all the 4G available right away.
I saw references to balloon driver, it seemed like that was more
Hi All,
I want to learn KVM code. Apologies for asking really simple
questions. I have Ubuntu 12.04 32bit installed on my laptop. As I
understand there are two modules of the KVM. One is called kvm.ko and
other arch specific e.g. in my case it is kvm-intel.ko. These modules
are already present
On Fri, May 23, 2014 at 12:57 AM, Mathew Li mathew.li...@gmail.com wrote:
Hi All,
I want to learn KVM code. Apologies for asking really simple
questions. I have Ubuntu 12.04 32bit installed on my laptop. As I
understand there are two modules of the KVM. One is called kvm.ko and
other arch
Thanks a lot Jidong. I will give it a run.
Thanks!
Matt
On Thu, May 22, 2014 at 10:12 PM, Jidong Xiao jidong.x...@gmail.com wrote:
On Fri, May 23, 2014 at 12:57 AM, Mathew Li mathew.li...@gmail.com wrote:
Hi All,
I want to learn KVM code. Apologies for asking really simple
questions. I have
On 05/23/2014 12:57 PM, Mathew Li wrote:
Hi All,
I want to learn KVM code. Apologies for asking really simple
questions. I have Ubuntu 12.04 32bit installed on my laptop. As I
understand there are two modules of the KVM. One is called kvm.ko and
other arch specific e.g. in my case
Hi all,
I want to implement a virtual pci device in qemu and when needed
inject a virtual interrupt into the running guest. However, possibly
this action would fail and crash the guest VM especially when the
workload in guest is heavy. Qemu report the following errors:
KVM: entry failed,
Hi All,
I have a question regarding Guest TLB flush IPI. Supposed we get two
vcpus 0 and 1.
When vcpu#0 wants to invalidate the tlb entry on vcpu#1. An IPI will
be generated by lapic on vcpu#0 by writing to ICR which will cause a
vmexit.
Il 11/09/2013 00:27, James Sparenberg ha scritto:
I'm doing some experimenting in our Development lab and as a result
I'm kickstarting over and over Virtual guests. This is of course
causing the guest Id to increment by one with each test. I've
googled around and tried searching the list but
On Wed, Sep 11, 2013 at 09:47:07AM +0200, Paolo Bonzini wrote:
Il 11/09/2013 00:27, James Sparenberg ha scritto:
I'm doing some experimenting in our Development lab and as a result
I'm kickstarting over and over Virtual guests. This is of course
causing the guest Id to increment by one
Ok. and trust me right now it feels like my experiments will hit the wrap
number ;). As for the other part. Thanks, now when my boss takes a look and
panics I've got an answer. ;) I really appreciate the help.
James Sparenberg
Sys Admin III Linux
Vudu Inc a Walmart Company
On 09/11/2013
On 09/11/2013 01:59 AM, Daniel P. Berrange wrote:
On Wed, Sep 11, 2013 at 09:47:07AM +0200, Paolo Bonzini wrote:
Il 11/09/2013 00:27, James Sparenberg ha scritto:
I'm doing some experimenting in our Development lab and as a result
I'm kickstarting over and over Virtual guests. This is of
I'm doing some experimenting in our Development lab and as a result I'm
kickstarting over and over Virtual guests. This is of course causing the guest
Id to increment by one with each test. I've googled around and tried searching
the list but have not found out how (if at all) it would be
Hi there,
When I test nested EPT (enable EPT of L2-L1 address translation), it
occurred some questions when query IA32_VMX_EPT_VPID_CAP.
1. It show that bit 16 and 17 (support for 1G and 2M page) are
disabled in nested IA32_VMX_EPT_VPID_CAP. Why nested EPT fails to
support these? Are there any
Using RHEL7A2 with newest libvirt etc. Doing some work that uses external
snapshot and qcow2.
I understand that virsh snapshot-delete domain snap-name is not
implemented yet.
Neither can you destroy/delete a VM that has external snapshots.
Is there another way to delete snapshots?
Is there a
On Tue, 15 Jan 2013 19:43:40 -0500
Christoffer Dall cd...@cs.columbia.edu wrote:
@@ -201,9 +222,13 @@ void kvm_flush_remote_tlbs(struct kvm *kvm)
{
long dirty_count = kvm-tlbs_dirty;
- smp_mb();
+ smp_mb(); /* TODO: Someone should explain this! */
if
On Tue, Jan 15, 2013 at 07:43:40PM -0500, Christoffer Dall wrote:
Hi KVM guys,
I've had a bit of challenges figuring out the exact functinality and
synchronization of vcpu-requests and friends. In lack of a better
method, I wrote some comments as a patch.
I think this code really
On Tue, Jan 15, 2013 at 07:43:40PM -0500, Christoffer Dall wrote:
Hi KVM guys,
I've had a bit of challenges figuring out the exact functinality and
synchronization of vcpu-requests and friends. In lack of a better
method, I wrote some comments as a patch.
I think this code really
Hi KVM guys,
I've had a bit of challenges figuring out the exact functinality and
synchronization of vcpu-requests and friends. In lack of a better
method, I wrote some comments as a patch.
I think this code really deserves some explaining, as it is really hard
to understand otherwise.
I'm not sure if this will help the KVM camp at all but I have a very similar
situation. I have a Radeon 7970 and a Xonar DX which uses the same chipset and
pci-pcie bridge.
The best I could get passthrough to work in KVM was exactly the same as the
original poster's experience. I eventually
Hello,
would a Memory Dump from inside the VM help solving the BSOD,
or is that pointless?
Thank you for your patience and help ;)
Am 28.09.2012 18:29, schrieb Jan Kiszka:
On 2012-09-28 17:50, Alex Williamson wrote:
On Fri, 2012-09-28 at 10:12 +0200, Jan Kiszka wrote:
On 2012-09-27 21:18,
On 2012-09-27 21:18, Alex Williamson wrote:
On Thu, 2012-09-27 at 20:43 +0200, Martin Wolf wrote:
thank you for the information.
i will try what you mentioned...
do you have some additional information about rebooting a VM with a
passed through videocard?
(amd / ati 7870)
I don't. Is
well my first tests with the vga rom were useless because of apparmor
rules i guess
now i placed the vga.rom in /usr/share/qemu ... well the error is gone
now but no changes ;)
so i added the bar parameter but it also made no difference :(
are you interested in the windows memory dump from the
On Fri, 2012-09-28 at 10:12 +0200, Jan Kiszka wrote:
On 2012-09-27 21:18, Alex Williamson wrote:
On Thu, 2012-09-27 at 20:43 +0200, Martin Wolf wrote:
thank you for the information.
i will try what you mentioned...
do you have some additional information about rebooting a VM with a
On 2012-09-28 17:50, Alex Williamson wrote:
On Fri, 2012-09-28 at 10:12 +0200, Jan Kiszka wrote:
On 2012-09-27 21:18, Alex Williamson wrote:
On Thu, 2012-09-27 at 20:43 +0200, Martin Wolf wrote:
thank you for the information.
i will try what you mentioned...
do you have some additional
to my questions...
1. is it possible to reset the videocard properly to be able to
reboot the vm?
Which versions of kernel and qemu-kvm are involved via your distro? Can
you retry with latest Linux (3.5-rcX) / lastest qemu-kvm? Maybe
something got fixed meanwhile.
In general
output.
(do you need it without the option?)
the unigine benchmark ran flawlessly
also the benchmark included in windows gave my videocard
similar values (7.7) comparable with my native win7 (7.9)
now to my questions...
1. is it possible to reset the videocard properly to be able
it with ignore_msrs=1 since
if i dont do that i get less output.
(do you need it without the option?)
the unigine benchmark ran flawlessly
also the benchmark included in windows gave my videocard
similar values (7.7) comparable with my native win7 (7.9)
now to my questions...
1. is it possible
On Thu, 2012-09-27 at 20:43 +0200, Martin Wolf wrote:
thank you for the information.
i will try what you mentioned...
do you have some additional information about rebooting a VM with a
passed through videocard?
(amd / ati 7870)
I don't. Is the bsod on reboot only or does it also happen
when will that support be implemented?
how do i enable debug support for the pci-assign driver?
Am 27.09.2012 21:18, schrieb Alex Williamson:
On Thu, 2012-09-27 at 20:43 +0200, Martin Wolf wrote:
thank you for the information.
i will try what you mentioned...
do you have some additional
On Thu, 2012-09-27 at 21:37 +0200, Martin Wolf wrote:
when will that support be implemented?
how do i enable debug support for the pci-assign driver?
I believe the target is qemu 1.3 for q35. Debug is enabled by
uncommenting the DEVICE_ASSIGNMENT_DEBUG define in hw/kvm/pci-assign.c
(or
about your question if the bsod also happens on shutdown, i have
to deny it. it just happens after an msi message in kernel log on
rebooting the vm.
(but the msi message is also there on initial boot where the system
works perfectly)
in my oppinion at the moment when the video driver is
with my native win7 (7.9)
now to my questions...
1. is it possible to reset the videocard properly to be able to
reboot the vm?
Which versions of kernel and qemu-kvm are involved via your distro? Can
you retry with latest Linux (3.5-rcX) / lastest qemu-kvm? Maybe
something got fixed
On 2012-07-19 16:54, Martin Wolf wrote:
i tried now the alpha of ubuntu 12.10 that includes qemu-kvm 1.1
and a 3.5 kernel version.
the msr problem is gone now, i was able to select sandybridge as
cpu topology, this removed the MSR error messages.
thats the positive part...
unfortunately
you need it without the option?)
the unigine benchmark ran flawlessly
also the benchmark included in windows gave my videocard
similar values (7.7) comparable with my native win7 (7.9)
now to my questions...
1. is it possible to reset the videocard properly to be able
to KVM?
the unigine benchmark ran flawlessly
also the benchmark included in windows gave my videocard
similar values (7.7) comparable with my native win7 (7.9)
now to my questions...
1. is it possible to reset the videocard properly to be able to
reboot the vm?
Which versions
it with ignore_msrs=1 since if
i dont do that i get less output.
(do you need it without the option?)
the unigine benchmark ran flawlessly
also the benchmark included in windows gave my videocard
similar values (7.7) comparable with my native win7 (7.9)
now to my questions...
1. is it possible
native win7 (7.9)
now to my questions...
1. is it possible to reset the videocard properly to be able to
reboot the vm?
Which versions of kernel and qemu-kvm are involved via your distro? Can
you retry with latest Linux (3.5-rcX) / lastest qemu-kvm? Maybe
something got fixed meanwhile
you need it without the option?)
the unigine benchmark ran flawlessly
also the benchmark included in windows gave my videocard
similar values (7.7) comparable with my native win7 (7.9)
now to my questions...
1. is it possible to reset the videocard properly to be able
- kernel : iommu=on
- kvm module: ignore_msrs=1
(if i would not set it the guest os would crash with a bluescreen)
the unigine benchmark ran flawlessly
also the benchmark included in windows gave my videocard
similar values (7.7) comparable with my native win7 (7.9)
now to my questions...
1
On Tue, Jun 26, 2012 at 10:50:36AM +0800, Zhengwang Ruan wrote:
Hello,
I am freshman to this community, I want to know if there is a
mail-list in which I can ask questions against kvm and people are
willing to answer too? Thanks! :-)
Hi Zhengwang, welcome to KVM.
You can try IRC: #kvm
Hi all,
I am freshman to this community, I have some questions roughly about how
does KVM work, please help me answer these questions, thank you!
1, What is the relation between kvm-mod and kvm-qemu?
Is kvm-qemu mainly used to emulate the first initial 16-bit code of a
guest, then this qemu
Hi guys,
Could you guys kindly help me answer these questions below? This is very
helpful for me to learn kvm. Thanks! :-)
Regards,
Zhengwang
Original Message
From: Zhengwang Ruan
Sent: 2012年06月26日 星期二 10时16分49秒
To: kvm
Subject: Some questions from a freshman
Hello,
I am freshman to this community, I want to know if there is a mail-list
in which I can ask questions against kvm and people are willing to
answer too? Thanks! :-)
Regards,
Zhengwang
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To unsubscribe from this list: send the line unsubscribe kvm in
the body of a message to majord
On Wed, Jan 11, 2012 at 11:13 AM, Marcelo Tosatti mtosa...@redhat.com wrote:
Hi,
See Documentation/virtual/kvm/mmu.txt in the kernel source tree.
Thanks for pointing me in the right direction. Based on some basic
debugging and past kvm forum presentations, shadow page tables fold
the
Hi,
See Documentation/virtual/kvm/mmu.txt in the kernel source tree.
On Tue, Jan 10, 2012 at 11:41:41AM -0800, Nick H wrote:
Hello All,
I am preparing for a presentation for my community college, newbie to
the kvm world. I am trying to understand kvm implementation. I am
interested in
()-shadow_walk_xxx() (called in context of
handle_ept_violation() ) functions using the gfn to find the
iterator.sptep. It passes this iterator.sptep to the mmu_set_spte().
While I can read the code, a few questions:
1. What is the shadow_page_xxx() walk achieving ? Why is this walk necessary ?
2. Which
On 09/29/2011 09:46 PM, Robin Lee Powell wrote:
On Thu, Sep 29, 2011 at 02:22:43PM -0300, Marcelo Tosatti wrote:
On Wed, Sep 28, 2011 at 05:14:47PM -0700, Robin Lee Powell wrote:
Please post the contents of /proc/meminfo and /proc/zoneinfo
when this is happening.
I
On Wed, Sep 28, 2011 at 05:14:47PM -0700, Robin Lee Powell wrote:
Please post the contents of /proc/meminfo and /proc/zoneinfo when
this is happening.
I just noticed that the amount of RAM the VMs had in VIRT added up
to considerably more than the host's actual RAM; hard_limit is now
On Thu, Sep 29, 2011 at 02:22:43PM -0300, Marcelo Tosatti wrote:
On Wed, Sep 28, 2011 at 05:14:47PM -0700, Robin Lee Powell wrote:
Please post the contents of /proc/meminfo and /proc/zoneinfo
when this is happening.
I just noticed that the amount of RAM the VMs had in VIRT
added
On Tue, Sep 27, 2011 at 12:49:29PM +0300, Avi Kivity wrote:
On 09/27/2011 12:00 PM, Robin Lee Powell wrote:
On Tue, Sep 27, 2011 at 01:48:43AM -0700, Robin Lee Powell wrote:
On Tue, Sep 27, 2011 at 04:41:33PM +0800, Emmanuel Noobadmin wrote:
On 9/27/11, Robin Lee
On Wed, Sep 28, 2011 at 05:11:06PM -0700, Robin Lee Powell wrote:
On Tue, Sep 27, 2011 at 12:49:29PM +0300, Avi Kivity wrote:
On 09/27/2011 12:00 PM, Robin Lee Powell wrote:
On Tue, Sep 27, 2011 at 01:48:43AM -0700, Robin Lee Powell wrote:
On Tue, Sep 27, 2011 at 04:41:33PM +0800,
On Mon, Sep 26, 2011 at 04:15:37PM +0800, Emmanuel Noobadmin wrote:
On 9/26/11, Robin Lee Powell rlpow...@digitalkingdom.org wrote:
On Mon, Sep 26, 2011 at 01:49:18PM +0800, Emmanuel Noobadmin wrote:
On 9/25/11, Robin Lee Powell rlpow...@digitalkingdom.org wrote:
OK, so I've got a Linux
On 9/27/11, Robin Lee Powell rlpow...@digitalkingdom.org wrote:
On Mon, Sep 26, 2011 at 04:15:37PM +0800, Emmanuel Noobadmin wrote:
It's unrelated to what you're actually using as the disks, whether
file or block devices like LVs. I think it just makes KVM tell the
host not to cache I/O done
On Tue, Sep 27, 2011 at 04:41:33PM +0800, Emmanuel Noobadmin wrote:
On 9/27/11, Robin Lee Powell rlpow...@digitalkingdom.org wrote:
On Mon, Sep 26, 2011 at 04:15:37PM +0800, Emmanuel Noobadmin
wrote:
It's unrelated to what you're actually using as the disks,
whether file or block devices
On Tue, Sep 27, 2011 at 01:48:43AM -0700, Robin Lee Powell wrote:
On Tue, Sep 27, 2011 at 04:41:33PM +0800, Emmanuel Noobadmin wrote:
On 9/27/11, Robin Lee Powell rlpow...@digitalkingdom.org wrote:
On Mon, Sep 26, 2011 at 04:15:37PM +0800, Emmanuel Noobadmin
wrote:
It's unrelated to
On 09/27/2011 12:00 PM, Robin Lee Powell wrote:
On Tue, Sep 27, 2011 at 01:48:43AM -0700, Robin Lee Powell wrote:
On Tue, Sep 27, 2011 at 04:41:33PM +0800, Emmanuel Noobadmin wrote:
On 9/27/11, Robin Lee Powellrlpow...@digitalkingdom.org wrote:
On Mon, Sep 26, 2011 at 04:15:37PM
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