Hi,
I am investigating the possibility of debugging guest kernel with KVM.
Anybody may shed some lights into how KVM handles breakpoints?
Suppose that we put a breakpoint (0xCC opcode in x86) into guest
kernel. When the kernel hits the breakpoint, which one will handle the
event?
Looks like qemu
Hey,
> Hi,
>
> I did some testing of KVM on my woodcrest machine. And I found that
> building a 2.6.19 kernel with identical configuration takes 845 sec on a
> guest and 210 sec on the host. So the compile is about 4X slower on the
> guest :(
I wasn't able to compile some vanilla kernels, but
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I notice that when I am testing kvm, the clock on guest is running at
twice the speed. Same thing also happen using qemu without kvm.
I look at my wall clock when I issue the command "time sleep 30". When
the command returns and report 30 sec has elasped, I found that actually
only 15 sec has pa
Hi,
I did some testing of KVM on my woodcrest machine. And I found that
building a 2.6.19 kernel with identical configuration takes 845 sec on a
guest and 210 sec on the host. So the compile is about 4X slower on the
guest :(
The guest ran with 2.6.19 kernel and host ran with a 2.6.20-rc5 kerne
Avi Kivity wrote:
> kvm only supports uniprocessor guests at this time.
Out of interest, if/when kvm supports smp guests aswell as hosts would
the guest be presented with a multiple virtual or physical cpu's?
Ie. If the guest has multiple virtual cpu's the process would only run
as a single task
On Fri, 2007-01-26 at 19:58 +0200, Avi Kivity wrote:
>
>
> kvm only supports uniprocessor guests at this time.
>
Thanks for the clarification. Is SMP support for guests
expected soon?
The FAQ is a bit misleading:
http://kvm.qumranet.com/kvmwiki/FAQ
It says "Does kvm support SMP hosts? Ye
Christopher Boumenot wrote:
> > I can do a dump/edit/load cycle if you like.
>
>
> Commit messages in SVN are not idempotent. If you have configured SVN
> to allow it, you can just re-edit the commit message.
>
> $ svn propedit svn:log --revprop -r
>
>
Thanks for the tip. I fixed the t
Jeremy Katz wrote:
> Avi Kivity wrote:
>> Jeremy Katz wrote:
>>> When using kvm on my laptop, I get the following oops if I try using
>>> kvm
>>> after a suspend (ACPI S3)/resume cycle. At first I thought it went
>>> away
>>> if I unloaded the module before suspending and then reloading it
>>> a
Tim Chen wrote:
> Hi,
>
> I am only able to bring up a single cpu on my guest even when I
> specify a 4 cpu smp config. My test machine
> is a two socket dual core woodcrest with 4GB RAM. I am
> using a stock RHEL5 kernel on my guest and 2.6.20-rc5
> on my host.
>
> The command I used is:
> qem
On Fri, 2007-01-26 at 06:06 +, Matthew Hall wrote:
>
> Boot the /host/ kernel with 'noapic nolapic' and see if that makes a
> difference for you. There is a performance impact under load, but it
> made a world of difference for me when I had issues which were similarly
> kvm specific.
Unf
> I can do a dump/edit/load cycle if you like.
>
Commit messages in SVN are not idempotent. If you have configured SVN
to allow it, you can just re-edit the commit message.
$ svn propedit svn:log --revprop -r
-
Ta
On Tue, Jan 23, 2007 at 07:04:23PM +0200, Avi Kivity wrote:
> The long promised kvm wiki has arrived: please stroll to
> http://kvm.qumranet.com to see it.
>
> I will update the sourceforge site to redirect to the wiki later.
>
> Thanks to Yaniv Ferszt at Qumranet for setting it up.
Since I bel
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