Re: [PATCH 03/32] ACPICA: Hardware: Enable 64-bit firmware waking vector for selected FACS.

Rafael J. Wysocki
2015-06-23T15:21:00Z

Hi Lv,

On Fri, Jun 19, 2015 at 5:38 AM, Lv Zheng <lv.zheng@intel.com> wrote:
> ACPICA commit 7aa598d711644ab0de5f70ad88f1e2de253115e4
>
> The root cause of the reported bug might be one of the followings:
> 1. BIOS may favor the 64-bit firmware waking vector address when the
> version of the FACS is greater than 0 and Linux currently only supports
> resuming from the real mode, so the 64-bit firmware waking vector has
> never been set and might be invalid to BIOS while the commit enables
> higher version FACS.
> 2. BIOS may favor the FACS reported via the "FIRMWARE_CTRL" field in the
> FADT while the commit doesn't set the firmware waking vector address of

Can you please tell me which commit this is about?

> the FACS reported by "FIRMWARE_CTRL", it only sets the firware waking
> vector address of the FACS reported by "X_FIRMWARE_CTRL".

Thanks,
Rafael