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SubjectRe: [PATCH] ACPICA: Enable sleep button on ACPI legacy wake
On Fri, Nov 1, 2019 at 10:25 PM Anchal Agarwal <> wrote:
> Currently we do not see sleep_enable bit set after guest resumes
> from hibernation. Hibernation is triggered in guest on receiving
> a sleep trigger from the hypervisor(S4 state). We see that power
> button is enabled on wake up from S4 state however sleep button
> isn't. This causes subsequent invocation of sleep state to fail
> in the guest. Any environment going through acpi_hw_legacy_wake()
> won't have sleep button enabled.
> Signed-off-by: Anchal Agarwal <>
> Reviewed-by: Balbir Singh <>
> Reviewed-by: Frank van der Linden <>

Somehow this does not have recipients listed, CC'ing lkml.


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