linux-kernel - Re: [PATCH 00/24] Thunderbolt security levels and NVM firmware upgrade

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Date:   Thu, 25 May 2017 10:20:10 +0300
From:   "mika.westerberg@...ux.intel.com" <mika.westerberg@...ux.intel.com>
To:     "Jamet, Michael" <michael.jamet@...el.com>
Cc:     "Mario.Limonciello@...l.com" <Mario.Limonciello@...l.com>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "andreas.noever@...il.com" <andreas.noever@...il.com>,
        "Bernat, Yehezkel" <yehezkel.bernat@...el.com>,
        "lukas@...ner.de" <lukas@...ner.de>,
        "Levy, Amir (Jer)" <amir.jer.levy@...el.com>,
        "luto@...nel.org" <luto@...nel.org>,
        "Jared.Dominguez@...l.com" <Jared.Dominguez@...l.com>,
        "andriy.shevchenko@...ux.intel.com" 
        <andriy.shevchenko@...ux.intel.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 00/24] Thunderbolt security levels and NVM firmware
 upgrade

On Wed, May 24, 2017 at 07:32:45PM +0000, Jamet, Michael wrote:
> I talked to our BIOS expert today. Here is his advice to debugging further:
> 
> It looks like something may have been wrong from system (BIOS, FW, others...) perspective.
> On reboot need to enter EFI shell and check resources of 
> pci 0000:01:00.0: bridge.
> At the EFI shell, this bridge MUST be either configured or absent.
> 
> I would start this way, once we have this info, we may circle back to
> him and look into next debugging step.

Thanks, I'll try this today.