KVM and WinPE failure

KVM and WinPE failure

[jieryn]

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Greetings,

I'm running vanilla-sources-2.6.24.3 with KVM-63 on a Thinkpad T61p running
Gentoo Linux. I'm having some trouble with a corporate rollout of WinXP into
a KVM image. My company uses WinPE in order to do the rollout, after firing
up KVM (via command: kvm -hda $HOME/winxp.img -boot c -std-vga -m 786 -net
nic,model=xxx where xxx was tried for every card listed with the model=?
except virtio; also tried -net none) I see the following sequence of
screenshots:

  http://flickr.com/photos/jieryn/2315169692/
  http://flickr.com/photos/jieryn/2315169632/
  http://flickr.com/photos/jieryn/2315159008/

At which point the system doesn't have any activity for 10+ minutes, and
then I give up and kill the process. Has anyone gotten past this kind of
issue? Or suggestions for what I can try? I've also tried with and without
-no-kvm-irqchip parameter.

Thanks in advance,
-jesse

-- 
There are 10 types of people in this world, those
that can read binary and those that can not.

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Re: KVM and WinPE failure

[Dor Laor]

On Thu, 2008-03-06 at 14:17 -0500, jieryn@gmail.com wrote:
> Greetings,
> 
> I'm running vanilla-sources-2.6.24.3 with KVM-63 on a Thinkpad T61p
> running Gentoo Linux. I'm having some trouble with a corporate rollout
> of WinXP into a KVM image. My company uses WinPE in order to do the
> rollout, after firing up KVM (via command: kvm -hda $HOME/winxp.img
> -boot c -std-vga -m 786 -net nic,model=xxx where xxx was tried for
> every card listed with the model=? except virtio; also tried -net
> none) I see the following sequence of screenshots:
> 

How did you got the winxp.img? Is it by installing cd over kvm or
v2v /p2v?

>   http://flickr.com/photos/jieryn/2315169692/
>   http://flickr.com/photos/jieryn/2315169632/
>   http://flickr.com/photos/jieryn/2315159008/
> 
> At which point the system doesn't have any activity for 10+ minutes,
> and then I give up and kill the process. Has anyone gotten past this
> kind of issue? Or suggestions for what I can try? I've also tried with
> and without -no-kvm-irqchip parameter.

Can you try -no-kvm just to see if qemu succeeds?
Besides that, what's the output of kvm_stat once it stuck.

Another thing to check it the qemu bios. run the cmdline with -L
qemu/pc-bios, the is just a precaution to check your using the kvm-63
bios.

> 
> Thanks in advance,
> -jesse
> 
> -- 
> There are 10 types of people in this world, those
> that can read binary and those that can not. 
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Re: KVM and WinPE failure

[jieryn]

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On Thu, Mar 6, 2008 at 4:43 PM, Dor Laor <dor.laor@gmail.com> wrote:

>
> How did you got the winxp.img? Is it by installing cd over kvm or
> v2v /p2v?
>

My company has a Linux livecd which they use to prime the laptop with, as
the company offers the choice of a Linux installation. I chose WinXP and it
contacts a key server, or something similar, and verifies my right to
install WinXP. After that point, it downloads the WinPE stuff, partitions
the hard drive, and unpacks the WinPE system such that the next time I boot
the system it enters the WinPE environment previously described.. sorry, I
realize that isn't helpful for diagnosis.

Can you try -no-kvm just to see if qemu succeeds?
>

Ok, I will need to recompile KVM because I used gcc4.

Besides that, what's the output of kvm_stat once it stuck.
>

I'm sorry? I don't know how to gain access to that information. Can you
point me to some documentation?


>
> Another thing to check it the qemu bios. run the cmdline with -L
> qemu/pc-bios, the is just a precaution to check your using the kvm-63
> bios.


I don't have any other BIOSes installed other than what KVM provides. Here
is the modinfo:

filename:       /lib/modules/2.6.24.3/misc/kvm.ko
license:        GPL
author:         Qumranet
version:        kvm-63
srcversion:     46A7552EE9C00E141A7B2B2
depends:
vermagic:       2.6.24.3 SMP preempt mod_unload CORE2

Thanks,
-jesse

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Re: KVM and WinPE failure

[jieryn]

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>
> Can you try -no-kvm just to see if qemu succeeds?
> >
>
>
Ok, I've recompiled with gcc-3 and I used the -no-kvm option. I got the same
result, but in 5x the amount of time. No joy. How do I get at that kvm_stat?
Thanks!

-jesse

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Re: KVM and WinPE failure

[Ryan Harper]

* jieryn@gmail.com <jieryn@gmail.com> [2008-03-06 16:53]:
> >
> > Can you try -no-kvm just to see if qemu succeeds?
> > >
> >
> >
> Ok, I've recompiled with gcc-3 and I used the -no-kvm option. I got the same
> result, but in 5x the amount of time. No joy. How do I get at that kvm_stat?
> Thanks!

(dethklok) kvm-63 % ./kvm_stat 
Please mount debugfs ('mount -t debugfs debugfs /sys/kernel/debug')
and ensure the kvm modules are loaded
(dethklok) kvm-61 % sudo mount -t debugfs debugfs /sys/kernel/debug

then run ./kvm_stat again


-- 
Ryan Harper
Software Engineer; Linux Technology Center
IBM Corp., Austin, Tx
(512) 838-9253   T/L: 678-9253
ryanh@us.ibm.com

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Re: KVM and WinPE failure

[jieryn]

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On Thu, Mar 6, 2008 at 6:19 PM, Ryan Harper <ryanh@us.ibm.com> wrote:

>
> (dethklok) kvm-63 % ./kvm_stat
> Please mount debugfs ('mount -t debugfs debugfs /sys/kernel/debug')
> and ensure the kvm modules are loaded
> (dethklok) kvm-61 % sudo mount -t debugfs debugfs /sys/kernel/debug
>
> then run ./kvm_stat again
>
>
jesse@indigo ~ $ lsmod | fgrep kvm
kvm_intel              34272  1
kvm                   138120  1 kvm_intel
jesse@indigo ~ $ mount | fgrep debug
debugfs on /sys/kernel/debug type debugfs (rw)
jesse@indigo ~ $ kvm_stat
Please mount debugfs ('mount -t debugfs debugfs /sys/kernel/debug')
and ensure the kvm modules are loaded

No joy. Suggestions?
-jesse

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Re: KVM and WinPE failure

[Ryan Harper]

* jieryn@gmail.com <jieryn@gmail.com> [2008-03-06 18:03]:
> On Thu, Mar 6, 2008 at 6:19 PM, Ryan Harper <ryanh@us.ibm.com> wrote:
> 
> >
> > (dethklok) kvm-63 % ./kvm_stat
> > Please mount debugfs ('mount -t debugfs debugfs /sys/kernel/debug')
> > and ensure the kvm modules are loaded
> > (dethklok) kvm-61 % sudo mount -t debugfs debugfs /sys/kernel/debug
> >
> > then run ./kvm_stat again
> >
> >
> jesse@indigo ~ $ lsmod | fgrep kvm
> kvm_intel              34272  1
> kvm                   138120  1 kvm_intel
> jesse@indigo ~ $ mount | fgrep debug
> debugfs on /sys/kernel/debug type debugfs (rw)
> jesse@indigo ~ $ kvm_stat
> Please mount debugfs ('mount -t debugfs debugfs /sys/kernel/debug')
> and ensure the kvm modules are loaded
> 
> No joy. Suggestions?

What's the error then?  You should see the stats with all zeros until
you start your guest.  Somethink like:

kvm statistics

 efer_reload                  0       0
 exits                        0       0
 fpu_reload                   0       0
 halt_exits                   0       0
 halt_wakeup                  0       0
 host_state_reload            0       0
 insn_emulation               0       0
 insn_emulation_fail          0       0
 invlpg                       0       0
 io_exits                     0       0
 irq_exits                    0       0
 irq_window                   0       0
 mmio_exits                   0       0
 mmu_cache_miss               0       0
 mmu_flooded                  0       0
 mmu_pde_zapped               0       0
 mmu_pte_updated              0       0
 mmu_pte_write                0       0
 mmu_recycled                 0       0
 mmu_shadow_zapped            0       0
 pf_fixed                     0       0
 pf_guest                     0       0
 remote_tlb_flush             0       0
 request_irq                  0       0
 signal_exits                 0       0
 tlb_flush                    0       0

-- 
Ryan Harper
Software Engineer; Linux Technology Center
IBM Corp., Austin, Tx
(512) 838-9253   T/L: 678-9253
ryanh@us.ibm.com

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