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Bug#940821: closed by Bastian Blank <waldi@debian.org> (No response by submitter)

Cross-posted to 2 groups.

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On 20/02/2021 10:33, Debian Bug Tracking System wrote:
> This is an automatic notification regarding your Bug report
> which was filed against the src:linux package:
>
> #940821: linux-image-5.2.0-2-amd64: file cache corruption with nfs4
>
> It has been closed by Bastian Blank <waldi@debian.org>.
>
> Their explanation is attached below along with your original report.
> If this explanation is unsatisfactory and you have not received a
> better one in a separate message then please contact Bastian Blank <waldi@debian.org> by
> replying to this email.
>
>
I missed the question. Probably hit the spam bucket for some reason.

I am able to reproduce it with more recent versions as well.

The most recent one I have around is 5.4.0-0.bpo.2-amd64

Still reproducible 100% - just tested it.

It is trivial to reproduce if anyone actually bothers to do so. Just 
grab a big enough tree where make runs truly in parallel - openwrt is 
best, but even the Linux kernel does the job.

Mount it via nfs4 from another server (it will work even locally, but 
takes longer to reproduce - may take a whole afternoon)

Run while make -j 12 clean && make -j 12 ; do true ; done

Leave it to run. On 6 cores/12 threads it takes 2-3 builds of openwrt or 
~ 5-8 linux kernel builds to blow up. More cores - faster. Less cores 
slower.

I sent it to the mailing list too, but nobody could be bothered to even 
ask any questions.

-- 
Anton R. Ivanov
https://www.kot-begemot.co.uk/

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Bug#940821: closed by Bastian Blank <waldi@debian.org> (No response by submitter) Anton Ivanov <anton.ivanov@kot-begemot.co.uk> - 2021-02-20 14:40 +0100

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