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Re: [Xen-devel] Xen 3.4.0 - Windows 2008 Lockup
| To: | "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] Xen 3.4.0 - Windows 2008 Lockup |
| From: | Teck Choon Giam <giamteckchoon@xxxxxxxxx> |
| Date: | Mon, 25 May 2009 04:16:20 +0800 |
| Delivery-date: | Sun, 24 May 2009 13:16:52 -0700 |
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> Oh, by the way it would be interesting to see if your Windows slowness is > affected by putting hap=0 in the domain config file. Are you running with > recent Intel processors which support EPT, or with AMD processors supporting > NPT? The former can be checked via xm dmesg and look for EPT in the output. > If not then hap=0 will actually have no effect. Ok found the problem... ... vcpus set to above what is available will cause lockup for HVM windows vista/2008 (maybe others also) and even crash your dom0 (happened once and need a hard reboot)! I forgot about it as my servers mostly have 4 VCPUS :p This will not happen if running xen <3.4.0. Thanks a lot for all of you who replied especially to Keir who hint me related to processors type ;) My stupid overlook on VCPUS value can cause me headache... ... Kindest regards, Giam Teck Choon _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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