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From: Yi Zhang <yi.zhang@redhat.com>
Date: Thu, 6 May 2021 11:05:04 +0800
Message-ID: <CAHj4cs_Zp85ePses2CxuNyoh5FAObWxOuWGAmmOeZ1KOTQ6msQ@mail.gmail.com>
Subject: Re: [bug report] system panic at nfit_get_smbios_id+0x6e/0xf0 [nfit]
 during boot
To: Dan Williams <dan.j.williams@intel.com>, robert.moore@intel.com
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CC: linux-nvdimm <linux-nvdimm@lists.01.org>, erik.kaneda@intel.com, rafael.j.wysocki@intel.com
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On Sat, May 1, 2021 at 2:05 PM Dan Williams <dan.j.williams@intel.com> wrote:
>
> On Fri, Apr 30, 2021 at 7:28 PM Yi Zhang <yi.zhang@redhat.com> wrote:
> >
> > Hi
> >
> > With the latest Linux tree, my DCPMM server boot failed with the
> > bellow panic log, pls help check it, let me know if you need any test
> > for it.
>
> So v5.12 is ok but v5.12+ is not?
>
> Might you be able to bisect?

Hi Dan
This issue was introduced with this patch, let me know if you need more info.

commit cf16b05c607bd716a0a5726dc8d577a89fdc1777
Author: Bob Moore <robert.moore@intel.com>
Date:   Tue Apr 6 14:30:15 2021 -0700

    ACPICA: ACPI 6.4: NFIT: add Location Cookie field

    Also, update struct size to reflect these changes in nfit core driver.

    ACPICA commit af60199a9a1de9e6844929fd4cc22334522ed195

    Link: https://github.com/acpica/acpica/commit/af60199a
    Cc: Dan Williams <dan.j.williams@intel.com>
    Signed-off-by: Bob Moore <robert.moore@intel.com>
    Signed-off-by: Erik Kaneda <erik.kaneda@intel.com>
    Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

>
> If not can you send the nfit.gz from this command:
>
> acpidump -n NFIT | gzip -c > nfit.gz
>
> Also can you send the full dmesg? I don't suppose you see a message of
> this format before this failure:
>
>                         dev_err(acpi_desc->dev, "SPA %d missing DCR %d\n",
>                                         spa->range_index, dcr);
>
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