On Mon, Sep 20, 2010 at 09:07:16PM -0400, Kevin O'Connor wrote:
On Mon, Sep 20, 2010 at 08:50:17AM +0200, Gleb Natapov wrote:
On Sun, Sep 19, 2010 at 06:03:31PM -0400, Kevin O'Connor wrote:
I was wrong. The cpu_set x offline does send an event to the guest
OS. SeaBIOS even forwards the
On Sun, Sep 19, 2010 at 05:57:25PM -0400, Kevin O'Connor wrote:
On Sun, Sep 19, 2010 at 06:24:33PM +0200, Conrad Wood wrote:
a script with my exact steps is below. Result is reproducible.
[...]
echo Ejecting CPU #4
echo cpu_set 4 offline | nc ${MONITORHOST} ${MONITORPORT} /dev/null
On Sun, Sep 19, 2010 at 06:03:31PM -0400, Kevin O'Connor wrote:
On Sun, Sep 19, 2010 at 06:12:14PM +0200, Gleb Natapov wrote:
On Sun, Sep 19, 2010 at 12:04:51PM -0400, Kevin O'Connor wrote:
I'm confused. The cpu_set x offline doesn't appear to do anything
for me. It does not disable the
On Mon, Sep 20, 2010 at 08:50:17AM +0200, Gleb Natapov wrote:
On Sun, Sep 19, 2010 at 06:03:31PM -0400, Kevin O'Connor wrote:
I was wrong. The cpu_set x offline does send an event to the guest
OS. SeaBIOS even forwards the event along - as far as I can tell a
Notify(CPxx, 3) event is
On Sat, Sep 18, 2010 at 08:27:54PM +0200, Conrad Wood wrote:
On Sat, 2010-09-18 at 10:32 -0400, Kevin O'Connor wrote:
On Fri, Sep 17, 2010 at 11:39:36PM +0200, Conrad Wood wrote:
Hi everyone,
I'm currently looking into hotplugging CPUs.
This exclusively with linux-guests and
On Sun, 2010-09-19 at 08:38 +0200, Gleb Natapov wrote:
On Sat, Sep 18, 2010 at 08:27:54PM +0200, Conrad Wood wrote:
On Sat, 2010-09-18 at 10:32 -0400, Kevin O'Connor wrote:
On Fri, Sep 17, 2010 at 11:39:36PM +0200, Conrad Wood wrote:
Hi everyone,
I'm currently looking into
On Sun, Sep 19, 2010 at 12:41:37PM +0200, Conrad Wood wrote:
On Sun, 2010-09-19 at 08:38 +0200, Gleb Natapov wrote:
On Sat, Sep 18, 2010 at 08:27:54PM +0200, Conrad Wood wrote:
On Sat, 2010-09-18 at 10:32 -0400, Kevin O'Connor wrote:
On Fri, Sep 17, 2010 at 11:39:36PM +0200, Conrad Wood
On Sun, 2010-09-19 at 12:46 +0200, Gleb Natapov wrote:
[...]
But... why does the command info cpus in the monitor report all cpus
apart from CPU0 as (halted) ?
Because they are halted? Run multiple cpu hogs in the guest and see if
cpus will still be halted as reported by monitor. Also
On Sun, Sep 19, 2010 at 01:09:39PM +0200, Conrad Wood wrote:
On Sun, 2010-09-19 at 12:46 +0200, Gleb Natapov wrote:
[...]
But... why does the command info cpus in the monitor report all cpus
apart from CPU0 as (halted) ?
Because they are halted? Run multiple cpu hogs in the guest and
On Sun, 2010-09-19 at 13:13 +0200, Gleb Natapov wrote:
On Sun, Sep 19, 2010 at 01:09:39PM +0200, Conrad Wood wrote:
On Sun, 2010-09-19 at 12:46 +0200, Gleb Natapov wrote:
[...]
But... why does the command info cpus in the monitor report all cpus
apart from CPU0 as (halted) ?
On Sun, Sep 19, 2010 at 01:32:28PM +0200, Conrad Wood wrote:
On Sun, 2010-09-19 at 13:13 +0200, Gleb Natapov wrote:
On Sun, Sep 19, 2010 at 01:09:39PM +0200, Conrad Wood wrote:
On Sun, 2010-09-19 at 12:46 +0200, Gleb Natapov wrote:
[...]
But... why does the command info cpus in the
On Sun, 2010-09-19 at 13:39 +0200, Gleb Natapov wrote:
On Sun, Sep 19, 2010 at 01:32:28PM +0200, Conrad Wood wrote:
On Sun, 2010-09-19 at 13:13 +0200, Gleb Natapov wrote:
On Sun, Sep 19, 2010 at 01:09:39PM +0200, Conrad Wood wrote:
On Sun, 2010-09-19 at 12:46 +0200, Gleb Natapov wrote:
On Sun, Sep 19, 2010 at 01:51:29PM +0200, Conrad Wood wrote:
On Sun, 2010-09-19 at 13:39 +0200, Gleb Natapov wrote:
On Sun, Sep 19, 2010 at 01:32:28PM +0200, Conrad Wood wrote:
On Sun, 2010-09-19 at 13:13 +0200, Gleb Natapov wrote:
On Sun, Sep 19, 2010 at 01:09:39PM +0200, Conrad Wood
On Sun, 2010-09-19 at 13:59 +0200, Gleb Natapov wrote:
On Sun, Sep 19, 2010 at 01:51:29PM +0200, Conrad Wood wrote:
On Sun, 2010-09-19 at 13:39 +0200, Gleb Natapov wrote:
On Sun, Sep 19, 2010 at 01:32:28PM +0200, Conrad Wood wrote:
On Sun, 2010-09-19 at 13:13 +0200, Gleb Natapov wrote:
On Sun, Sep 19, 2010 at 08:38:12AM +0200, Gleb Natapov wrote:
On Sat, Sep 18, 2010 at 08:27:54PM +0200, Conrad Wood wrote:
hm... after upgrading to seabios 0.6.1 and qemu-kvm 0.13.50 (git today)
I get:
[...]
any ideas ?
Known problem in qemu. There was a patch for this, but qemu
On Sun, 2010-09-19 at 09:26 -0400, Kevin O'Connor wrote:
On Sun, Sep 19, 2010 at 08:38:12AM +0200, Gleb Natapov wrote:
On Sat, Sep 18, 2010 at 08:27:54PM +0200, Conrad Wood wrote:
hm... after upgrading to seabios 0.6.1 and qemu-kvm 0.13.50 (git today)
I get:
[...]
any ideas ?
On Sun, Sep 19, 2010 at 03:29:35PM +0200, Conrad Wood wrote:
On Sun, 2010-09-19 at 09:26 -0400, Kevin O'Connor wrote:
On Sun, Sep 19, 2010 at 08:38:12AM +0200, Gleb Natapov wrote:
On Sat, Sep 18, 2010 at 08:27:54PM +0200, Conrad Wood wrote:
hm... after upgrading to seabios 0.6.1 and
hm... that's the version I am using und it does not work here ;(
the hotplug itself seems to work but they're reported as halted.
I told you this is cosmetic. They are working.
I agree, the hotplug itself seems to be working!
Then it seems to be a local misconfiguration.
and if so, I
On Sun, Sep 19, 2010 at 03:29:35PM +0200, Conrad Wood wrote:
On Sun, 2010-09-19 at 09:26 -0400, Kevin O'Connor wrote:
On Sun, Sep 19, 2010 at 08:38:12AM +0200, Gleb Natapov wrote:
Known problem in qemu. There was a patch for this, but qemu maintainers
think it is not good enough.
Old
On Sun, 2010-09-19 at 09:38 -0400, Kevin O'Connor wrote:
On Sun, Sep 19, 2010 at 03:29:35PM +0200, Conrad Wood wrote:
On Sun, 2010-09-19 at 09:26 -0400, Kevin O'Connor wrote:
On Sun, Sep 19, 2010 at 08:38:12AM +0200, Gleb Natapov wrote:
Known problem in qemu. There was a patch for this,
On Sun, Sep 19, 2010 at 03:35:47PM +0200, Conrad Wood wrote:
hm... that's the version I am using und it does not work here ;(
the hotplug itself seems to work but they're reported as halted.
I told you this is cosmetic. They are working.
I agree, the hotplug itself seems to be
On Sun, Sep 19, 2010 at 03:40:45PM +0200, Gleb Natapov wrote:
halted state is not the way to check for whether cpu is online or
offline. cpu may be online but executing hlt instruction so
its state will be halted, but cpu itself is online. Actually with kvm
today you are not able to check
On Sun, Sep 19, 2010 at 09:46:21AM -0400, Kevin O'Connor wrote:
On Sun, Sep 19, 2010 at 03:40:45PM +0200, Gleb Natapov wrote:
halted state is not the way to check for whether cpu is online or
offline. cpu may be online but executing hlt instruction so
its state will be halted, but cpu
On Sun, 2010-09-19 at 15:50 +0200, Gleb Natapov wrote:
On Sun, Sep 19, 2010 at 09:46:21AM -0400, Kevin O'Connor wrote:
On Sun, Sep 19, 2010 at 03:40:45PM +0200, Gleb Natapov wrote:
halted state is not the way to check for whether cpu is online or
offline. cpu may be online but executing
On Sun, Sep 19, 2010 at 04:07:50PM +0200, Conrad Wood wrote:
1) Thanks for clarifying online vs halted - that makes sense and is
probably part of what confused me. I need to get the online/offline
status of cpus, not if they are halted or not. I understand this is
currently not possible with
On Sun, Sep 19, 2010 at 04:07:50PM +0200, Conrad Wood wrote:
On Sun, 2010-09-19 at 15:50 +0200, Gleb Natapov wrote:
On Sun, Sep 19, 2010 at 09:46:21AM -0400, Kevin O'Connor wrote:
On Sun, Sep 19, 2010 at 03:40:45PM +0200, Gleb Natapov wrote:
halted state is not the way to check for
[..]
Lets establish some terminology to understand each other better:
Lets use CPU inserted/ejected to refer to cpu being available/not
available to a guest.
Lest use CPU online/offline to refer to cpu been used by a guest OS.
CPU hot-plug works like this:
cpu is inserted (plugged into
On Sun, Sep 19, 2010 at 05:16:24PM +0200, Conrad Wood wrote:
[..]
Lets establish some terminology to understand each other better:
Lets use CPU inserted/ejected to refer to cpu being available/not
available to a guest.
Lest use CPU online/offline to refer to cpu been used by a guest OS.
On 09/19/2010 01:59 PM, Gleb Natapov wrote:
I fixed it several times in the past[0][1][3], but it keeps re-appearing :) I
hope current qemu-kvm head is OK.
[0] 865aa3fec2b3d83c9b6edd452050a30ef6eaf3b8
[1] 8c7d4cb7163d1c97df4439e2e0edb5918abf106b
[2] d6d233543d543fcf34df6190bbce5daf38d870f5
On Sun, Sep 19, 2010 at 05:20:38PM +0200, Avi Kivity wrote:
On 09/19/2010 01:59 PM, Gleb Natapov wrote:
I fixed it several times in the past[0][1][3], but it keeps re-appearing :) I
hope current qemu-kvm head is OK.
[0] 865aa3fec2b3d83c9b6edd452050a30ef6eaf3b8
[1]
I need to know if a cpu is currently inserted or ejected.
The only way to do that currently is to track it in your management app.
The Management App does know which one should be inserted or ejected.
I see now way of enforcing it though.
This is what I had in mind: (simplified)
1.
On Sun, Sep 19, 2010 at 05:37:18PM +0200, Conrad Wood wrote:
I need to know if a cpu is currently inserted or ejected.
The only way to do that currently is to track it in your management app.
The Management App does know which one should be inserted or ejected.
I see now way of
However after step 7 the guest can turn the cpu online again by issuing
echo 1 /sys/devices/.../cpuX/online
There will be no /sys/devices/.../cpuX/online in guest after step 7.
Well then at least in my version there's a bug, because it still is
there and never goes away. (kvm 0.12.5)
And
On Sun, Sep 19, 2010 at 05:44:00PM +0200, Conrad Wood wrote:
However after step 7 the guest can turn the cpu online again by issuing
echo 1 /sys/devices/.../cpuX/online
There will be no /sys/devices/.../cpuX/online in guest after step 7.
Well then at least in my version there's a
On Sun, Sep 19, 2010 at 05:53:47PM +0200, Gleb Natapov wrote:
On Sun, Sep 19, 2010 at 05:44:00PM +0200, Conrad Wood wrote:
However after step 7 the guest can turn the cpu online again by issuing
echo 1 /sys/devices/.../cpuX/online
There will be no /sys/devices/.../cpuX/online in
On Sun, Sep 19, 2010 at 12:04:51PM -0400, Kevin O'Connor wrote:
On Sun, Sep 19, 2010 at 05:53:47PM +0200, Gleb Natapov wrote:
On Sun, Sep 19, 2010 at 05:44:00PM +0200, Conrad Wood wrote:
However after step 7 the guest can turn the cpu online again by
issuing
echo 1
On Sun, 2010-09-19 at 12:04 -0400, Kevin O'Connor wrote:
On Sun, Sep 19, 2010 at 05:53:47PM +0200, Gleb Natapov wrote:
On Sun, Sep 19, 2010 at 05:44:00PM +0200, Conrad Wood wrote:
However after step 7 the guest can turn the cpu online again by
issuing
echo 1
On Sun, Sep 19, 2010 at 06:24:33PM +0200, Conrad Wood wrote:
a script with my exact steps is below. Result is reproducible.
[...]
echo Ejecting CPU #4
echo cpu_set 4 offline | nc ${MONITORHOST} ${MONITORPORT} /dev/null
printInfo
echo Setting all available cpus to online...
ssh -lroot
On Sun, Sep 19, 2010 at 06:12:14PM +0200, Gleb Natapov wrote:
On Sun, Sep 19, 2010 at 12:04:51PM -0400, Kevin O'Connor wrote:
I'm confused. The cpu_set x offline doesn't appear to do anything
for me. It does not disable the cpu, nor does it inform the guest to
disable the cpu.
[...]
Then
On Sat, 2010-09-18 at 10:32 -0400, Kevin O'Connor wrote:
On Fri, Sep 17, 2010 at 11:39:36PM +0200, Conrad Wood wrote:
Hi everyone,
I'm currently looking into hotplugging CPUs.
This exclusively with linux-guests and linux-host.
I have found some (conflicting) information about this on
On Sat, 2010-09-18 at 10:32 -0400, Kevin O'Connor wrote:
On Fri, Sep 17, 2010 at 11:39:36PM +0200, Conrad Wood wrote:
Hi everyone,
I'm currently looking into hotplugging CPUs.
This exclusively with linux-guests and linux-host.
I have found some (conflicting) information about this on
2010/1/10 Gleb Natapov g...@redhat.com:
On Sun, Jan 10, 2010 at 05:33:02PM +0900, Ryota Ozaki wrote:
[...]
I see. Anyway I think we need some workaround to avoid segfault.
Disabling cpu_set command for qemu-kvm-0.12 is good enough workaround.
Agree. I'll send a patch.
but ACPI code that
On Mon, Jan 11, 2010 at 06:24:32PM +0900, Ryota Ozaki wrote:
2010/1/10 Gleb Natapov g...@redhat.com:
On Sun, Jan 10, 2010 at 05:33:02PM +0900, Ryota Ozaki wrote:
[...]
I see. Anyway I think we need some workaround to avoid segfault.
Disabling cpu_set command for qemu-kvm-0.12 is good
On Mon, Jan 11, 2010 at 6:32 PM, Gleb Natapov g...@redhat.com wrote:
On Mon, Jan 11, 2010 at 06:24:32PM +0900, Ryota Ozaki wrote:
2010/1/10 Gleb Natapov g...@redhat.com:
[...]
May I ask what do you need it for?
Oh sorry, actually I have not so strong desire on cpu hotplug but
I have on
On 01/11/2010 11:24 AM, Ryota Ozaki wrote:
The problem is that there is no standard
way to hotplug CPUs in a PC. Linux implements the way UNISYS happen to do
it, but no other system do it like that. Windows implements it
differently and in the way that conflicts with Linux, so you can't
have
On Mon, Jan 11, 2010 at 12:23:05PM +0200, Avi Kivity wrote:
On 01/11/2010 11:24 AM, Ryota Ozaki wrote:
The problem is that there is no standard
way to hotplug CPUs in a PC. Linux implements the way UNISYS happen to do
it, but no other system do it like that. Windows implements it
On 01/11/2010 12:24 PM, Gleb Natapov wrote:
IMO we should stick with the unisys-derived implementation, port it
to SeaBIOS, and write a Windows driver for it. It has the advantage
of having support in Linux, and of being somewhat tested.
That cool, but SVVP complains.
What's the
On Mon, Jan 11, 2010 at 7:23 PM, Avi Kivity a...@redhat.com wrote:
On 01/11/2010 11:24 AM, Ryota Ozaki wrote:
The problem is that there is no standard
way to hotplug CPUs in a PC. Linux implements the way UNISYS happen to do
it, but no other system do it like that. Windows implements it
On Mon, Jan 11, 2010 at 12:25:52PM +0200, Avi Kivity wrote:
On 01/11/2010 12:24 PM, Gleb Natapov wrote:
IMO we should stick with the unisys-derived implementation, port it
to SeaBIOS, and write a Windows driver for it. It has the advantage
of having support in Linux, and of being somewhat
On 01/11/2010 12:42 PM, Gleb Natapov wrote:
That cool, but SVVP complains.
What's the complaint? Maybe we can fix it instead of rewriting things.
https://bugzilla.redhat.com/show_bug.cgi?id=49584://bugzilla.redhat.com/show_bug.cgi?id=495844
Hope it accessible to everyone but
On Mon, Jan 11, 2010 at 12:50:05PM +0200, Avi Kivity wrote:
On 01/11/2010 12:42 PM, Gleb Natapov wrote:
That cool, but SVVP complains.
What's the complaint? Maybe we can fix it instead of rewriting things.
On 01/11/2010 12:53 PM, Gleb Natapov wrote:
Anyway all those solution do not
guaranty that we will be able to do cpu hotplug on Windows since we
don't yet know what Windows expects.
I'm sure we'll be able to eventually.
Eventually yes, but can you say now that it will not
On Mon, Jan 11, 2010 at 12:58:24PM +0200, Avi Kivity wrote:
On 01/11/2010 12:53 PM, Gleb Natapov wrote:
Anyway all those solution do not
guaranty that we will be able to do cpu hotplug on Windows since we
don't yet know what Windows expects.
I'm sure we'll be able to eventually.
On 01/11/2010 01:03 PM, Gleb Natapov wrote:
No, but I'm not really worried about that.
So you want to introduce something that we know upset Windows without
looking into alternatives.
I don't want to drop support for existing guests unless I have to.
And as far as I remember
On Mon, Jan 11, 2010 at 01:06:24PM +0200, Avi Kivity wrote:
On 01/11/2010 01:03 PM, Gleb Natapov wrote:
No, but I'm not really worried about that.
So you want to introduce something that we know upset Windows without
looking into alternatives.
I don't want to drop support for existing
On 01/11/2010 04:50 AM, Avi Kivity wrote:
On 01/11/2010 12:42 PM, Gleb Natapov wrote:
That cool, but SVVP complains.
What's the complaint? Maybe we can fix it instead of rewriting things.
https://bugzilla.redhat.com/show_bug.cgi?id=49584://bugzilla.redhat.com/show_bug.cgi?id=495844
Hope
On 01/11/2010 03:57 PM, Anthony Liguori wrote:
win2k8 supports CPU hotplug with VMware. I'd suggest someone fire up
VMware and dump the ACPI tables to try and see how they're doing it.
Otherwise, if someone has a physical machine that is known to do CPU
hotplug with win2k8, an acpi dump
On Sun, Jan 10, 2010 at 05:33:02PM +0900, Ryota Ozaki wrote:
On Sun, Jan 10, 2010 at 3:39 PM, Gleb Natapov g...@redhat.com wrote:
On Sat, Jan 09, 2010 at 04:30:11PM -0300, Daniel Bareiro wrote:
On Friday, 08 January 2010 19:35:04 +0900,
Ryota Ozaki wrote:
Hi all,
Hi, Ryota.
On Friday, 08 January 2010 19:35:04 +0900,
Ryota Ozaki wrote:
Hi all,
Hi, Ryota.
I've tried CPU hotplug with latest qemu-kvm.git code,
and got segmentation fault.
I'm also having this problem but with Linux 2.6.32.2 + qemu-kvm-0.12.1.1
in the host:
Jan 9 16:11:11 ubuntu kernel:
On Sat, Jan 09, 2010 at 04:30:11PM -0300, Daniel Bareiro wrote:
On Friday, 08 January 2010 19:35:04 +0900,
Ryota Ozaki wrote:
Hi all,
Hi, Ryota.
I've tried CPU hotplug with latest qemu-kvm.git code,
and got segmentation fault.
I'm also having this problem but with Linux 2.6.32.2
60 matches
Mail list logo
