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b.libbey
n00b
Joined: 19 Sep 2006
Posts: 39
Location: Canada
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 Posted: Wed Jan 03, 2007 7:30 pm Post subject: Xen question |
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I have an AMD Athlon 64 4000+, which one would assume supports "svt", which Xen apparently requires to run Windows as a domU.
However, when I cat /proc/cpuinfo, this is what I get:
| Code: | processor : 0
vendor_id : AuthenticAMD
cpu family : 15
model : 36
model name : Mobile AMD Athlon(tm) 64 Processor 4000+
stepping : 2
cpu MHz : 800.000
cache size : 1024 KB
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt lm 3dnowext 3dnow pni lahf_lm
bogomips : 1593.47
TLB size : 1024 4K pages
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management: ts fid vid ttp tm stc
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No svt in sight! Basically, I'm assuming I'm screwed. Should I take this as conclusive proof that my CPU does *not* support AMD's Pacifica technology? Or is there some odd other flag that means the same thing?
Thanks for your help. |
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vandien
Tux's lil' helper
Joined: 03 May 2006
Posts: 137
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| Posted: Wed Jan 03, 2007 8:10 pm Post subject: |
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I think the flag you're looking for is "svm" (which also doesn't seem to be there). Is your motherboard/processor a socket AM2? As I understand it, only AM2 and Opteron AMD's have virtualization support. If you do have an AM2, is there a BIOS option to enable/disable support?
I ran into this on my Dell laptop.. I assumed all "core duo" Intel processors supported virtualization, but in fact I picked out the one processor (2300E) which does not support it. |
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b.libbey
n00b
Joined: 19 Sep 2006
Posts: 39
Location: Canada
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| Posted: Wed Jan 03, 2007 9:54 pm Post subject: |
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I'm not sure how to check what socket my processor uses -- I'm using a notebook. It was manufactured in February, so I guess knowing that not all Athlon 64s have Pacifica support, I'm not too optimistic. Oh well. Thanks for your help.
EDIT: And no BIOS option in sight. Oh well. Maybe VMware has gotten faster  |
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vandien
Tux's lil' helper
Joined: 03 May 2006
Posts: 137
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| Posted: Wed Jan 03, 2007 10:13 pm Post subject: |
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I tried out various methods (Qemu/VMWare/Xen) of running Windows inside Linux at work and got the best visual and usability (mouse) performance from VMWare Server. Xen seems to have the most potential, but I had too many odd display and mouse problems with SDL/X.
KVM also looks interesting but I didn't hear about it until after we finished our evaluation:
http://linux.inet.hr/finally-user-friendly-virtualization-for-linux.html |
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JoeUser
n00b
Joined: 08 Apr 2006
Posts: 61
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| Posted: Wed Jan 03, 2007 11:16 pm Post subject: |
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| b.libbey wrote: | | ... I'm using a notebook. It was manufactured in February, so I guess knowing that not all Athlon 64s have Pacifica support ... |
You got your Athlon a few months too early. AMD released SVM supported processors in May |
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b.libbey
n00b
Joined: 19 Sep 2006
Posts: 39
Location: Canada
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| Posted: Thu Jan 04, 2007 1:36 am Post subject: |
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| Well that's most definitely unfortunate. Oh well. Thanks JoeUser and vandien! |
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