> On 22-Jun-2023, at 8:08 PM, Limonciello, Mario <mario.limoncie...@amd.com>
> wrote:
>
>
> On 6/22/2023 7:36 AM, Michael Ellerman wrote:
>> "Linux regression tracking (Thorsten Leemhuis)" <regressi...@leemhuis.info>
>> writes:
>>> Hi, Thorsten here, the Linux kernel's regression tracker. Top-posting
>>> for once, to make this easily accessible to everyone.
>>>
>>> As Linus will likely release 6.4 on this or the following Sunday a quick
>>> question: is there any hope this regression might be fixed any time
>>> soon?
>> No.
>>
>> I have added the author of the commit to Cc, maybe they can help?
>>
>> The immediate question is, is it expected for chip->ops to be NULL in
>> this path? Obviously on actual AMD systems that isn't the case,
>> otherwise the code would crash there. But is the fact that chip->ops is
>> NULL a bug in the ibmvtpm driver, or a possibility that has been
>> overlooked by the checking code.
>>
>> cheers
>
> All that code assumes that the TPM is still functional which
> seems not to be the case for your TPM.
>
> This should fix it:
Yes, with this change kexec works correctly.
Since Aneesh first reported this problem including reported by credit for him
Reported-by: Aneesh Kumar K. V <aneesh.ku...@linux.ibm.com>
Reported-by: Sachin Sant <sach...@linux.ibm.com>
Tested-by: Sachin Sant <sach...@linux.ibm.com>
-Sachin
