https://bugzilla.kernel.org/show_bug.cgi?id=71721
Bug ID: 71721
Summary: ACPI shutdown no longer works in VirtualBox since
kernel 3.12
Product: ACPI
Version: 2.5
Kernel Version: 3.12+
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Power-Off
Assignee: [email protected]
Reporter: [email protected]
Regression: No
Created attachment 128601
--> https://bugzilla.kernel.org/attachment.cgi?id=128601&action=edit
kernel 3.13.6 ACPI shutdown does not work
I have been running gentoo x64 guest in Windows 7 x64 VirtualBox host for some
time. There is an option to execute ACPI shutdown of the guest directly from
VirtualBox console window menu.
Note: I am running vanilla kernel in gentoo (i.e. no gentoo patches).
This was working until kernel version 3.11 included (right now I am at 3.11.10,
but it worked on all versions before). After upgrading to kernel 3.12 (and
eventually 3.13) I noticed I can no longer ACPI shutdown the guest. It looks
like the event is ignored. (I have tried with and without VirtualBox
extensions, it does not matter).
I got ACPI traces from working kernel (3.11.10) and non-working kernel (3.13.6)
which I include in the attachment.
As suggested by the trace it seems that in v3.13.6 GPE00 register is disabled.
In v3.11.10 the same register in enabled. I tried to reenable GPE00 in v3.13.6
by:
echo "enable" > /sys/firmware/acpi/interrupts/gpe00
but while it shows the register GPE00 after this as "enabled" it does not help
the shutdown to succeed.
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