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

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Message-ID: <20170108010158.b62eovaxsbmhfnkb@pd.tnic>
Date:   Sun, 8 Jan 2017 02:01:59 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     "Rafael J. Wysocki" <rafael@...nel.org>
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 08, 2017 at 01:52:50AM +0100, Rafael J. Wysocki wrote:
> So we get the table, but apparently we crash when we attempt to put it.

Right, except on 4.10-rc2 we don't crash but we freeze early. These are
the last lines:

...
[    0.004778] mce: CPU supports 7 MCE banks
[    0.004861] LVT offset 1 assigned for vector 0xf9
[    0.004945] Last level iTLB entries: 4KB 512, 2MB 1024, 4MB 512
[    0.005025] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 512, 1GB 0
[    0.005165] Freeing SMP alternatives memory: 24K
[    0.211154] ftrace: allocating 25022 entries in 98 pages
[    0.219614] smpboot: Max logical packages: 2
<EOF>

> Let's try to check the obvious just to rule it out (see attached), but
> honestly I'm not sure what's going on in there.

No change, same freeze.

-- 
Regards/Gruss,
    Boris.

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