Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: [PATCH 03/32] ACPICA: Hardware: Enable 64-bit firmware waking vector for selected FACS. | Date | Sat, 20 Jun 2015 01:46:29 +0200 |
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On Friday, June 19, 2015 11:38:28 AM Lv Zheng 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 > the FACS reported by "FIRMWARE_CTRL", it only sets the firware waking > vector address of the FACS reported by "X_FIRMWARE_CTRL".
I need to go through patches [03-07/32] in detial. I need to understand clearly what's going on in them, but I'm too tired for that today.
I'll get back to them next week.
Thanks, Rafael
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