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xen-devel
RE: [Xen-devel] [PATCH 0/4] HVM Virtual S3
The symptom is that: if use stdvga in config file, the windows guest
will not show "standby" in shutdown menu, which means S3 is disabled.
The following link explains why.
http://support.microsoft.com/?scid=kb%3Ben-us%3B257562&x=16&y=12
When use cirrus_vga, the "standby" appears in shutdown menu. However,
after "standby" is pressed, windows will pop up a dialog box, saying
default monitor driver has no power management support, so windows
refuse to go further.
I think Windows has strict checking on standby. it won't do standby
until the required device driver has suspend/resume support. so it is
due to qemu device emulation, not ACPI in rombios.
Best Regards
Ke
Kaushik Barde wrote on 11:14:
> Can you please shed some more light on Windows guest s3 behavior?
>
> Is it due to inadequate ACPI support in rombios?
>
> -Kaushik
>
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