linux-kernel - Re: 174cc7187e6f ACPICA: Tables: Back port acpi_get_table_with_size() and early_acpi_os_unmap

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Date:   Sun, 8 Jan 2017 01:22:55 +0100
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Borislav Petkov <bp@...en8.de>
Cc:     "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        Lv Zheng <lv.zheng@...el.com>,
        Bob Moore <robert.moore@...el.com>,
        Jörg Rödel <joro@...tes.org>,
        lkml <linux-kernel@...r.kernel.org>,
        Linux ACPI <linux-acpi@...r.kernel.org>
Subject: Re: 174cc7187e6f ACPICA: Tables: Back port acpi_get_table_with_size()
 and early_acpi_os_unmap_memory() from Linux kernel

On Sun, Jan 8, 2017 at 1:07 AM, Borislav Petkov <bp@...en8.de> wrote:
> On Sun, Jan 08, 2017 at 12:30:27AM +0100, Rafael J. Wysocki wrote:
>> Please check if this helps:
>>
>> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=696c7f8e0373026e8bfb29b2d9ff2d0a92059d4d
>
> Unfortunately no, still same early freeze. :-\
>
> The splat happens when booting 6b11d1d67713 directly, 4.10-rc2 doesn't
> splat but freezes simply very early during boot.

Is an IVRS table actually present on this machine?

Thanks,
Rafael