linux-kernel - Re: What to do with `BERT: Error records from previous boot`?

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Message-ID: <CAMj1kXE08bux+ZJYjq4hCcs3LGRMUNZfJ65ip_f2HPd+fot=bg@mail.gmail.com>
Date:   Tue, 24 Nov 2020 18:32:53 +0100
From:   Ard Biesheuvel <ardb@...nel.org>
To:     Paul Menzel <pmenzel@...gen.mpg.de>
Cc:     ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        linux-efi <linux-efi@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: What to do with `BERT: Error records from previous boot`?

On Tue, 24 Nov 2020 at 17:24, Paul Menzel <pmenzel@...gen.mpg.de> wrote:
>
> Dear Linux folks,
>
>
> On the Intel Tiger Lake Dell XPS 13 9310 Linux 5.9.9 from Debian
> sid/unstable logged the messages below. Please find the whole log in the
> Linux bug tracker [1].
>
> ```
> kernel: BERT: Error records from previous boot:
> kernel: [Hardware Error]: event severity: fatal
> kernel: [Hardware Error]:  Error 0, type: fatal
> kernel: [Hardware Error]:   section_type: Firmware Error Record Reference
> kernel: [Hardware Error]:   Firmware Error Record Type: SOC Firmware
> Error Record Type2
> kernel: [Hardware Error]:   Revision: 2
> kernel: [Hardware Error]:   Record Identifier:
> 8f87f311-c998-4d9e-a0c4-6065518c4f6d
> kernel: [Hardware Error]:   00000000: 0100a306 00000280 ca5824d3
> 000003ab  .........$X.....
> […]
> ```
>
> How can I decode that error to understand what happened?
>

Dell or Intel should be able to provide that information, although
getting them to do so may be difficult.


>
> Kind regards,
>
> Paul
>
>
> [1]: https://bugzilla.kernel.org/show_bug.cgi?id=210347