problems with Ubuntu server amd64 (kernel 2.6.24) and Windows 2003 32bit as guest

problems with Ubuntu server amd64 (kernel 2.6.24) and Windows 2003 32bit as guest

[Davide D'Amico]

Hi,
I'm new in the world of virtualization.
I have the following setup:
An Ubuntu amd64 Server (DELL PE 2950 with Dual Quad Xen 2Ghz) with 24GB DDR2 Ram
onboard and a Perc 6/i SAS controller.
I have a Windows 2003 32 bit guest that hangs up (i.e. not responding anymore)
when I try to transfer a big file on it (i.e. 120 MBytes or more).
I am using libvirt and virt-manager with this .xml config file:
<domain type='kvm'>
  <name>w2k3</name>
  <uuid>e98b1cf4-fb3b-11dc-bcfb-001e4f1c0780</uuid>
  <memory>6291456</memory>
  <currentMemory>6291456</currentMemory>
  <vcpu>2</vcpu>
  <os>
    <type>hvm</type>
    <boot dev='hd'/>
  </os>
  <features>
    <acpi/>
  </features>
  <clock offset='localtime'/>
  <on_poweroff>destroy</on_poweroff>
  <on_reboot>restart</on_reboot>
  <on_crash>destroy</on_crash>
  <devices>
    <emulator>/usr/bin/kvm</emulator>
    <disk type='file' device='disk'>
      <source file='/mnt/dom2/w2k3.img'/>
      <target dev='hda'/>
    </disk>
    <interface type='bridge'>
      <mac address='00:16:3e:40:90:16'/>
      <source bridge='br0'/>
    </interface>
    <input type='mouse' bus='ps2'/>
    <graphics type='vnc' port='5902' listen='127.0.0.1'/>
  </devices>
</domain>

And a bridged network environment on it:
bridge name	bridge id		STP enabled	interfaces
br0		8000.001e4f1c0780	no		eth0
							vnet0
							vnet1
							vnet2

I don't know if I have to enable $MAGIC_OPTION during kernel compilation
or enable any features in libvirt config file (pae, apic) or if it could
be a network problem.
Could someone point in the right direction to solve the issue?

Thanks in advance,
dave


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Re: problems with Ubuntu server amd64 (kernel 2.6.24) and Windows 2003 32bit as guest

[Izik Eidus]

Davide D'Amico wrote:
> Hi,
> I'm new in the world of virtualization.
> I have the following setup:
> An Ubuntu amd64 Server (DELL PE 2950 with Dual Quad Xen 2Ghz) with 24GB DDR2 Ram
> onboard and a Perc 6/i SAS controller.
> I have a Windows 2003 32 bit guest that hangs up (i.e. not responding anymore)
> when I try to transfer a big file on it (i.e. 120 MBytes or more).
> I am using libvirt and virt-manager with this .xml config file:
> <domain type='kvm'>
>   <name>w2k3</name>
>   <uuid>e98b1cf4-fb3b-11dc-bcfb-001e4f1c0780</uuid>
>   <memory>6291456</memory>
>   <currentMemory>6291456</currentMemory>
>   <vcpu>2</vcpu>
>   <os>
>     <type>hvm</type>
>     <boot dev='hd'/>
>   </os>
>   <features>
>     <acpi/>
>   </features>
>   <clock offset='localtime'/>
>   <on_poweroff>destroy</on_poweroff>
>   <on_reboot>restart</on_reboot>
>   <on_crash>destroy</on_crash>
>   <devices>
>     <emulator>/usr/bin/kvm</emulator>
>     <disk type='file' device='disk'>
>       <source file='/mnt/dom2/w2k3.img'/>
>       <target dev='hda'/>
>     </disk>
>     <interface type='bridge'>
>       <mac address='00:16:3e:40:90:16'/>
>       <source bridge='br0'/>
>     </interface>
>     <input type='mouse' bus='ps2'/>
>     <graphics type='vnc' port='5902' listen='127.0.0.1'/>
>   </devices>
> </domain>
> 
> And a bridged network environment on it:
> bridge name	bridge id		STP enabled	interfaces
> br0		8000.001e4f1c0780	no		eth0
> 							vnet0
> 							vnet1
> 							vnet2
> 
> I don't know if I have to enable $MAGIC_OPTION during kernel compilation
> or enable any features in libvirt config file (pae, apic) or if it could
> be a network problem.
> Could someone point in the right direction to solve the issue?
> 
> Thanks in advance,
> dave
> 
ok, what happen if you tell virt-manger to run the Win2k3 without kvm (i mean with the qemu cpu emulator)


-- 
woof.

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Re: problems with Ubuntu server amd64 (kernel 2.6.24) and Windows 2003 32bit as guest

[Davide D'Amico]

> Davide D'Amico wrote:
>> Hi,
>> I'm new in the world of virtualization.
>> I have the following setup:
>> An Ubuntu amd64 Server (DELL PE 2950 with Dual Quad Xen 2Ghz) with 24GB DDR2
>> Ram
>> onboard and a Perc 6/i SAS controller.
>> I have a Windows 2003 32 bit guest that hangs up (i.e. not responding anymore)
>> when I try to transfer a big file on it (i.e. 120 MBytes or more).
>> I am using libvirt and virt-manager with this .xml config file:
>> <domain type='kvm'>
>>   <name>w2k3</name>
>>   <uuid>e98b1cf4-fb3b-11dc-bcfb-001e4f1c0780</uuid>
>>   <memory>6291456</memory>
>>   <currentMemory>6291456</currentMemory>
>>   <vcpu>2</vcpu>
>>   <os>
>>     <type>hvm</type>
>>     <boot dev='hd'/>
>>   </os>
>>   <features>
>>     <acpi/>
>>   </features>
>>   <clock offset='localtime'/>
>>   <on_poweroff>destroy</on_poweroff>
>>   <on_reboot>restart</on_reboot>
>>   <on_crash>destroy</on_crash>
>>   <devices>
>>     <emulator>/usr/bin/kvm</emulator>
>>     <disk type='file' device='disk'>
>>       <source file='/mnt/dom2/w2k3.img'/>
>>       <target dev='hda'/>
>>     </disk>
>>     <interface type='bridge'>
>>       <mac address='00:16:3e:40:90:16'/>
>>       <source bridge='br0'/>
>>     </interface>
>>     <input type='mouse' bus='ps2'/>
>>     <graphics type='vnc' port='5902' listen='127.0.0.1'/>
>>   </devices>
>> </domain>
>>
>> And a bridged network environment on it:
>> bridge name	bridge id		STP enabled	interfaces
>> br0		8000.001e4f1c0780	no		eth0
>> 							vnet0
>> 							vnet1
>> 							vnet2
>>
>> I don't know if I have to enable $MAGIC_OPTION during kernel compilation
>> or enable any features in libvirt config file (pae, apic) or if it could
>> be a network problem.
>> Could someone point in the right direction to solve the issue?
>>
>> Thanks in advance,
>> dave
>>
> ok, what happen if you tell virt-manger to run the Win2k3 without kvm (i mean
> with the qemu cpu emulator)
I could try qemu, but what about networking?

dave



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Re: problems with Ubuntu server amd64 (kernel 2.6.24) and Windows 2003 32bit as guest

[Felix Leimbach]

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On 09.04.2008 Davide D'Amico wrote:
>  I have a Windows 2003 32 bit guest that hangs up (i.e. not responding 
anymore)

Hi Davide,

I had very similar problems (details in [1]) which were solved by 
upgrading to host's kernel to 2.6.25.
Since then all guests including the Win 2003 Servers are rock-solid, 
even under heavy load.

regards,
Felix

[1] 
http://www.mail-archive.com/kvm-devel@lists.sourceforge.net/msg14784.html

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Re: problems with Ubuntu server amd64 (kernel 2.6.24) and Windows 2003 32bit as guest

[Davide D'Amico]

> I had very similar problems (details in [1]) which were solved by
> upgrading to host's kernel to 2.6.25.
> Since then all guests including the Win 2003 Servers are rock-solid,
> even under heavy load.
Really very thanks, I installed linux-2.6.25-rc8 and I tried to transfer
a big file (120mbytes) and everything was ok!

Thanks again for your tip.

dave


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Re: problems with Ubuntu server amd64 (kernel 2.6.24) and Windows 2003 32bit as guest

[Davide D'Amico]

Il giorno 09/apr/08, alle ore 15:27, Felix Leimbach ha scritto:

> On 09.04.2008 Davide D'Amico wrote:
> > I have a Windows 2003 32 bit guest that hangs up (i.e. not  
> responding anymore)
>
> Hi Davide,
>
> I had very similar problems (details in [1]) which were solved by  
> upgrading to host's kernel to 2.6.25.
> Since then all guests including the Win 2003 Servers are rock-solid,  
> even under heavy load.
>
> regards,
> Felix


Everything is fine, now.
But I am experimenting a strange behaviour: if I have to virtualize  
32bit guest I have to use <vcpu>1</vcpu> feature,
otherwise I see kernel panic (FreeBSD 6.3 i386) or black screen of  
death (Windows 2003 32bit).

Any ideas?


dave

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