Re: [PATCH 23/42] KVM: Activate Virtualization On Demand

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From: Dieter Ries

Subject: Re: [PATCH 23/42] KVM: Activate Virtualization On Demand

Date: Thursday, March 18, 2010 - 12:04 am

On Thu, Mar 18, 2010 at 08:41:28AM +0300, Michael Tokarev wrote:
quoted text> Dieter Ries wrote:
> > On Wed, Mar 17, 2010 at 11:02:40PM +0100, Alexander Graf wrote:
> []
> >> Are you 100% sure you don't have vmware, virtualbox, parallels, whatever running in parallel on that machine?
> > 
> > Definitely. I have virtualbox installed, but haven't used it in months.
> > The others I don't use at all, so they are not installed either.
> 
> Dieter, we've talked with you on IRC yesterday...

Yes, I remember.

quoted text> Can you take a look at what's in the startup script sequence on
> your machine, and what modules are loaded which may be related?
> What I'm trying to say: I don't know how virtualbox works, but it
> may come with a kernel module or a bootup script that touches SVM
> settings.

I checked it again: I don't even have the virtualbox modules installed
for this kernel, I cannot modprobe them.

lsmod is here:
before modprobe kvm_amd
Module                  Size  Used by
snd_pcm_oss            33062  0 
snd_mixer_oss          13798  1 snd_pcm_oss
snd_seq_oss            23963  0 
snd_seq_midi_event      5684  1 snd_seq_oss
snd_seq                44953  4 snd_seq_oss,snd_seq_midi_event
snd_seq_device          5481  2 snd_seq_oss,snd_seq
nvidia               9613596  40 
snd_hda_codec_realtek   264327  1 
snd_hda_intel          20099  4 
snd_hda_codec          57443  2 snd_hda_codec_realtek,snd_hda_intel
snd_hwdep               5642  1 snd_hda_codec
snd_pcm                68342  4 snd_pcm_oss,snd_hda_intel,snd_hda_codec
snd_timer              17426  3 snd_seq,snd_pcm
snd                    52486  17
snd_pcm_oss,snd_mixer_oss,snd_seq_oss,snd_seq,snd_seq_device,snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_timer
soundcore               6287  1 snd
snd_page_alloc          7029  2 snd_hda_intel,snd_pcm
i2c_core               18944  1 nvidia

after:
Module                  Size  Used by
kvm_amd                32387  0 
kvm                   249238  1 kvm_amd
snd_pcm_oss            33062  0 
snd_mixer_oss          13798  1 snd_pcm_oss
snd_seq_oss            23963  0 
snd_seq_midi_event      5684  1 snd_seq_oss
snd_seq                44953  4 snd_seq_oss,snd_seq_midi_event
snd_seq_device          5481  2 snd_seq_oss,snd_seq
nvidia               9613596  40 
snd_hda_codec_realtek   264327  1 
snd_hda_intel          20099  4 
snd_hda_codec          57443  2 snd_hda_codec_realtek,snd_hda_intel
snd_hwdep               5642  1 snd_hda_codec
snd_pcm                68342  4 snd_pcm_oss,snd_hda_intel,snd_hda_codec
snd_timer              17426  3 snd_seq,snd_pcm
snd                    52486  17
snd_pcm_oss,snd_mixer_oss,snd_seq_oss,snd_seq,snd_seq_device,snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_timer
soundcore               6287  1 snd
snd_page_alloc          7029  2 snd_hda_intel,snd_pcm
i2c_core               18944  1 nvidia


This is a gentoo box, and there are no services started which are
related to virtualization. No autoloaded modules or anything. Just
standard desktop stuff + lvm and raid.

Runlevel: boot
 hwclock                                                                      [  started  ]
 modules                                                                      [  started  ]
 lvm                                                                          [  started  ]
 device-mapper                                                                [  started  ]
 fsck                                                                         [  started  ]
 root                                                                         [  started  ]
 mtab                                                                         [  started  ]
 hostname                                                                     [  started  ]
 localmount                                                                   [  started  ]
 sysctl                                                                       [  started  ]
 bootmisc                                                                     [  started  ]
 sysklogd                                                                     [  started  ]
 urandom                                                                      [  started  ]
 termencoding                                                                 [  started  ]
 consolefont                                                                  [  started  ]
 net.lo                                                                       [  started  ]
 staticroute                                                                  [  started  ]
 mdadm                                                                        [  started  ]
 swap                                                                         [  started  ]
 acpid                                                                        [  started  ]
 procfs                                                                       [  started  ]
 keymaps                                                                      [  started  ]

modules is empty.

And additionally after boot:

Runlevel: default
 sysklogd                                                                     [  started  ]
 dbus                                                                         [  started  ]
 hald                                                                         [  started  ]
 xdm                                                                          [  started  ]
 preload                                                                      [  started  ]
 udev-postmount                                                               [  started  ]
 ntpd                                                                         [  started  ]
 alsasound                                                                    [  started  ]
 avahi-daemon                                                                 [  started  ]
 cupsd                                                                        [  started  ]
 sshd                                                                         [  started  ]
 local                                                                        [  started  ]
Dynamic Runlevel: hotplugged
 net.eth1                                                                     [  started  ]
Dynamic Runlevel: needed
 udev-mount                                                                   [  started  ]
 sysfs                                                                        [  started  ]

quoted text> /mjt

cu
Dieter

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Messages in current thread:

[PATCH 00/42] KVM updates for the 2.6.33 merge window (bat ..., Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 01/42] core, x86: Add user return notifiers, Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 02/42] x86: Fix user return notifier build, Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 03/42] x86: Fix user return notifier put_cpu_var() ..., Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 04/42] KVM: Don't wrap schedule() with vcpu_put()/v ..., Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 05/42] KVM: x86 emulator: Add 'push/pop sreg' instr ..., Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 06/42] KVM: x86 emulator: Introduce No64 decode option, Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 07/42] KVM: Don't pass kvm_run arguments, Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 08/42] KVM: Call pic_clear_isr() on pic reset to re ..., Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 09/42] KVM: Move irq sharing information to irqchip ..., Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 10/42] KVM: Change irq routing table to use gsi ind ..., Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 11/42] KVM: Maintain back mapping from irqchip/pin ..., Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 12/42] KVM: Move irq routing data structure to rcu ..., Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 13/42] KVM: Move irq ack notifier list to arch inde ..., Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 14/42] KVM: Convert irq notifiers lists to RCU locking, Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 15/42] KVM: Move IO APIC to its own lock, Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 16/42] KVM: Drop kvm->irq_lock lock from irq inject ..., Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 17/42] KVM: Return -ENOTTY on unrecognized ioctls, Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 18/42] KVM: Move assigned device code to own file, Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 19/42] KVM: x86 emulator: Add missing decoder flags ..., Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 20/42] KVM: x86 emulator: Add pusha and popa instru ..., Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 21/42] KVM: VMX: Enhance invalid guest state emulation, Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 22/42] KVM: SVM: remove needless mmap_sem acquision ..., Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 23/42] KVM: Activate Virtualization On Demand, Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 24/42] KVM: remove duplicated #include, Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 25/42] KVM: SVM: reorganize svm_interrupt_allowed, Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 26/42] KVM: SVM: don't copy exit_int_info on nested ..., Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 27/42] KVM: SVM: Remove remaining occurences of rdtscll, Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 28/42] KVM: fix lock imbalance in kvm_*_irq_source_id(), Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 29/42] KVM: Separate timer intialization into an in ..., Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 30/42] KVM: Kill the confusing tsc_ref_khz and ref_ ..., Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 31/42] KVM: Fix printk name error in svm.c, Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 32/42] KVM: Fix hotplug of CPUs, Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 33/42] KVM: remove pre_task_link setting in save_st ..., Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 34/42] KVM: x86: Refactor guest debug IOCTL handling, Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 35/42] KVM: x86: disable paravirt mmu reporting, Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 36/42] KVM: x86: Rework guest single-step flag inje ..., Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 37/42] KVM: x86: include pvclock MSRs in msrs_to_save, Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 38/42] KVM: SVM: Notify nested hypervisor of lost e ..., Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 39/42] KVM: SVM: Move INTR vmexit out of atomic code, Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 40/42] KVM: SVM: Add tracepoint for nested vmrun, Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 41/42] KVM: SVM: Add tracepoint for nested #vmexit, Avi Kivity, (Mon Nov 16, 5:19 am)

[PATCH 42/42] KVM: SVM: Add tracepoint for injected #vmexit, Avi Kivity, (Mon Nov 16, 5:19 am)

Re: [PATCH 23/42] KVM: Activate Virtualization On Demand, Dieter Ries, (Wed Mar 17, 2:57 pm)

Re: [PATCH 23/42] KVM: Activate Virtualization On Demand, Alexander Graf, (Wed Mar 17, 3:02 pm)

Re: [PATCH 23/42] KVM: Activate Virtualization On Demand, Dieter Ries, (Wed Mar 17, 3:40 pm)

Re: [PATCH 23/42] KVM: Activate Virtualization On Demand, Alexander Graf, (Wed Mar 17, 3:47 pm)

Re: [PATCH 23/42] KVM: Activate Virtualization On Demand, Michael Tokarev, (Wed Mar 17, 10:41 pm)

Re: [PATCH 23/42] KVM: Activate Virtualization On Demand, Dieter Ries, (Thu Mar 18, 12:04 am)

Re: [PATCH 23/42] KVM: Activate Virtualization On Demand, Dieter Ries, (Thu Mar 18, 12:11 am)

Re: [PATCH 23/42] KVM: Activate Virtualization On Demand, Alexander Graf, (Thu Mar 18, 12:17 am)

Re: [PATCH 23/42] KVM: Activate Virtualization On Demand, Dieter Ries, (Thu Mar 18, 7:26 pm)

Re: [PATCH 23/42] KVM: Activate Virtualization On Demand, Serge Belyshev, (Sun Aug 8, 5:02 am)

Re: [PATCH 23/42] KVM: Activate Virtualization On Demand, Alexander Graf, (Mon Aug 16, 6:24 am)

Re: [PATCH 23/42] KVM: Activate Virtualization On Demand, Serge Belyshev, (Mon Aug 16, 6:49 am)

Re: [PATCH 23/42] KVM: Activate Virtualization On Demand, Alexander Graf, (Mon Aug 16, 7:13 am)


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