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[Xen-users] Does Xen HVM 32bit guest support SMP and PAE?
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| Subject: | [Xen-users] Does Xen HVM 32bit guest support SMP and PAE? |
| From: | psboy <psboy.liu@xxxxxxxxx> |
| Date: | Sat, 2 Dec 2006 21:34:02 +0800 |
| Delivery-date: | Sat, 02 Dec 2006 05:34:43 -0800 |
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Hi forks, I have built Xen from 3.03 source. I have two questions. 1.SMP hvm guest Even i set "VCPU=2" in w2k3.hvm, there still only one cpu in hvm guest domain. I am sure Dom0 have built for SMP and PAE support. [root@xenunsvr xen]# xm list Name ID Mem(MiB) VCPUs State Time(s) Domain-0 0 255 1 r----- 534.5 w2k3 4 1536 1 ------ 0.8 I try to use command "xm vcpu-set w2k3 2" , but it still does not work. I can see another vcpu if use this command although another vcpu is in p state. (pause?) [root@xenunsvr xen]# xm vcpu-list Name ID VCPUs CPU State Time(s) CPU Affinity Domain-0 0 0 0 r-- 680.6 any cpu Domain-0 0 1 - --p 26.2 any cpu Domain-0 0 2 - --p 4.4 any cpu Domain-0 0 3 - --p 4.3 any cpu w2k3 4 0 3 -b- 14.5 any cpu w2k3 4 1 - --p 0.0 any cpu 2.Another question is PAE. I am sure Dom0 have built PAE support. If i set memory > 1536 in w2k3.hvm, hvm machine can not start. [root@xenunsvr xen]# xm list Name ID Mem(MiB) VCPUs State Time(s) Domain-0 0 255 1 r----- 811.4 w2k3 5 2048 1 ------ 0.0 I have no idea why memory < =1536 can work but > 1536 can start hvm guest. I try to change hvm guest OS to RHEL AS4U4 but still got the same result.... Greets WS Liu
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