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Subject: Re: linux-tpmdd self signed kernel failing to boot with secreboot on
To:     Matthew Garrett <mjg59@google.com>
Cc:     linux-integrity <linux-integrity@vger.kernel.org>,
        Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
References: <f9ad2e46-e458-6c78-76da-b85db4601ee3@linux.microsoft.com>
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From:   Jordan Hand <jorhand@linux.microsoft.com>
Message-ID: <b4f9cc9d-bded-fb0a-1d53-40fa1460ddec@linux.microsoft.com>
Date:   Mon, 29 Apr 2019 13:35:39 -0700
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On 4/29/19 12:17 PM, Matthew Garrett wrote:
> On Mon, Apr 29, 2019 at 8:31 AM Jordan Hand <jorhand@linux.microsoft.com> wrote:
>>
>> On 4/25/19 2:47 PM, Matthew Garrett wrote:
>>> On Wed, Apr 24, 2019 at 11:30 AM 'Jordan' via mjg59 <mjg59@google.com> wrote:
>>>> Under the following circumstances my kernel will not boot:
>>>
>>> Will it boot under other circumstances (ie, if you disable Secure
>>> Boot, does it work fine with the patches?)
>>
>> Yes it works fine if secure boot is disabled.
> 
> That is… very strange. Disabling secure boot will change the contents
> of PCR7, but I can't think of any reason that would matter. What
> hardware is this on?
> 
I have tried this both on a Gen2 Hyper-V VM (from a Windows Host) and on 
a Lenovo X1 Carbon with the same results.