On Wed, 2008-03-12 at 10:41 +0800, Yunfeng Zhao wrote:
> Chris Wedgwood wrote:
> > On Mon, Mar 10, 2008 at 05:27:32PM +0800, Yunfeng Zhao wrote:
> >
> >
> >> One new issue:
> >> 1. booting smp windows guests has 30% chance of hang
> >> https://sourceforge.net/tracker/?func=detail&atid=893831&aid=1910923&group_id=180599
> >>
> >
> >
> >> Platform Woodcrest
> >> CPU 4
> >> Memory size 8G'
> >>
> >
> > Is that a CPU with FlexPriority?
> >
> >
> Yes, it has FlexPriority.
We have some minor issues with FlexPriority (mainly crashes after 100+
reboots).
Can you try the following patch that disables flex priority:
Author: Uri Lublin <[EMAIL PROTECTED]>
Date: Thu Mar 6 17:38:11 2008 +0200
kvm: vmx: for 4.0 disable Flex-Priority and always use Avi's tpr
optimization
Signed-off-by: Uri Lublin <[EMAIL PROTECTED]>
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 76c4508..bc8dc16 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -201,6 +201,7 @@ static inline int cpu_has_secondary_exec_ctrls(void)
static inline bool cpu_has_vmx_virtualize_apic_accesses(void)
{
+ return false; /* disable Flex-Priority, use Avi's tpr
optimization */
return (vmcs_config.cpu_based_2nd_exec_ctrl &
SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES);
}
>
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