Re: [Xen-users] Check if VT is enabled

["Daniel Waterbly" <dwaterbly@xxxxxxxxx>]

I have followed the directions in the Xen documentation and now
whenever I try to boot an unmodifed guest my computer hangs.  Do
you know anything that could be causing this?

Thanks,
Dan

On 4/11/06, Zhao, Yunfeng <yunfeng.zhao@xxxxxxxxx> wrote:

The two messages below are ok.
You can get a unmodified os by installing it into vmx.
The instructions about how to install a os into vmx could be found in xen manual.

Thanks
Yunfeng
________________________________________
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Daniel Waterbly
Sent: 2006年4月11日 0:46
To: Zhao, Yunfeng
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] Check if VT is enabled

I do see that VT is enabled thanks to your suggestion. However, I cannot boot an unmodified guest OS yet. Looking through the xen messages I see this too:

(XEN) Domain 0 kernel supports features = { 0000001f }.
(XEN) Domain 0 kernel requires features = { 00000000 }.

Could this be a source of a problem? Or do you know where else I could look to get an unmodified OS to boot? It hangs right when the hvmloader bios starts to boot from a hard drive. I can though, boot from a Ubuntu or Fedora install CD, however the computer hangs after the initial press of [ENTER] to install the OS.

Thank you!
-Dan
On 4/9/06, Zhao, Yunfeng <yunfeng.zhao@xxxxxxxxx> wrote:
Try "xm dmesg|grep VMX". If grep finds "(XEN) VMXON is done",it's VT enabled.

Thanks
Yunfeng

________________________________________
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx [mailto: xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Daniel Waterbly
Sent: 2006年4月10日 13:19
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] Check if VT is enabled

Hello group,

I recently purchased an HP m7360n computer which has an Intel Pentium D 920 processor in it. Unfortunately there is no BIOS option to enable or disable VT. The board it sits on uses the Intel 945P chipset.

If I am in linux and do a 'cat /proc/cpuinfo' I get this:
[root@localhost ia32]# cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 15
model : 6
model name : Intel(R) Pentium(R) D CPU 2.80GHz
stepping : 2
cpu MHz : 2800.956
cache size : 2048 KB
fdiv_bug : no
hlt_bug : yes
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 6
wp : yes
flags : fpu tsc msr pae mce cx8 apic mtrr mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc pni monitor ds_cpl vmx cid cx16 xtpr lahf_lm
bogomips : 7006.67

processor : 1
vendor_id : GenuineIntel
cpu family : 15
model : 6
model name : Intel(R) Pentium(R) D CPU 2.80GHz
stepping : 2
cpu MHz : 2800.956
cache size : 2048 KB
fdiv_bug : no
hlt_bug : yes
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 6
wp : yes
flags : fpu tsc msr pae mce cx8 apic mtrr mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc pni monitor ds_cpl vmx cid cx16 xtpr lahf_lm
bogomips : 7006.67

Notice that it detects vmx, which is Intel's VT.

My question is: Is there any way to tell if xen is using VT or to see if it is even accessible? I really would like to get xen working in one way or another and would much like to use VT with it.

Thanks,
Dan

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