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SubjectRe: [PATCH 4.4 00/37] 4.4.110-stable review
On Fri, Jan 5, 2018 at 1:03 PM, Pavel Tatashin
<pasha.tatashin@oracle.com> wrote:
> The hardware works :) I meant that before the patch linked in
> https://lkml.org/lkml/2018/1/5/534, I was never able to boot 4.4.110. But
> with that patch applied, I was able to boot it at least once, but it could
> be accidental. The hang/panic does not happen at the same time on every
> boot.

I get the feeling that it was accidental: it seems to me that you have
a memory corruption problem, that gets shifted around by the different
patches (or "noefi" or "nopti").

Because yesterday your boots were able to get way beyond the "EFI
Variables Facility" message, and I can't imagine why the EFI issue
would not have been equally debilitating on yesterday's 110-rc, if it
were in play.

I did intend to ask you to send your System.map, for us to scan
through: maybe some variable is marked __init and should not be, then
the "Freeing unused kernel memory" frees it for random reuse.

But today you didn't get anywhere near the "Freeing unused kernel
memory", so that can't be it - or do you sometimes get that far today?

You mention that the hang/panic does not happen at the same time on
every boot: I think all I can ask is for you to keep supplying us with
different examples (console messages) of where it occurs, in the hope
that one of them will point us in the right direction.

And it even seems possible that this has nothing to do with the
4.4.110 changes - that 4.4.109 plus some other random patches would
unleash similar corruption. Though on balance that does seem unlikely.

Hugh

>
> Pasha
>
>
> On 01/05/2018 03:45 PM, Greg Kroah-Hartman wrote:
>>
>> On Fri, Jan 05, 2018 at 02:18:32PM -0500, Pavel Tatashin wrote:
>>>
>>> Actually it helps, if before 4.4.110 never booted on my machine, not i
>>> was able to boot on a second try.
>>
>>
>> Wait, what? This has never booted on 4.4.x before? Did 4.4.108 work?
>> 109? Are you sure this hardware even works? :)
>>
>> thanks,
>>
>> greg k-h
>>
>

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