Re: Repeatable hard lockup running strace testsuite on 4.19.98+ onwards

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Hey Greg,

On Fri, Jun 26, 2020 at 03:41:32PM +0200, Greg KH wrote:
>On Fri, Jun 26, 2020 at 12:35:58PM +0100, Steve McIntyre wrote:
>> 
>> e58f543fc7c0926f31a49619c1a3648e49e8d233 is the first bad commit
>> commit e58f543fc7c0926f31a49619c1a3648e49e8d233
>> Author: Jann Horn <jannh@xxxxxxxxxx>
>> Date:   Thu Sep 13 18:12:09 2018 +0200

...

>> Annoyingly, I can't reproduce this on my disparate other machines
>> here, suggesting it's maybe(?) timing related.
>> 
>> Hope this helps - happy to give more information, test things, etc.
>
>So if you just revert this one patch, all works well?

Correct.

>I've added the authors of the patch to the cc: list...
>
>Also, does this problem happen on Linus's tree?

Just building to check that now...

-- 
Steve McIntyre, Cambridge, UK.                                steve@xxxxxxxxxx
< Aardvark> I dislike C++ to start with. C++11 just seems to be
            handing rope-creating factories for users to hang multiple
            instances of themselves.




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