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Re: GNU Guix (pull?) on i686 broke after zstd grafting

From: Léo Le Bouter
Subject: Re: GNU Guix (pull?) on i686 broke after zstd grafting
Date: Wed, 10 Mar 2021 11:43:28 +0100
User-agent: Evolution 3.34.2

On Wed, 2021-03-10 at 11:37 +0100, Ludovic Courtès wrote:
> Hi Léo,

Hi Ludo!

> So I think there’s a genuine bug here.  Could you take a look?  At
> worst, we should skip the offending test on i686 (and perhaps
> ARMv7?).

I reported upstream and I got an answer, waiting for fix but also we
could do something based on their comment:

> So now that we have plausible explanation, what can be done about it
> ?
> - Ignore this test. It's a just test error. Disable it.
> - Change the test, so that it passes. For example, use a fixed nb of 
> threads, like -T4.
> - Update the rule regulating -T0, determining automatically a nb of
> threads based on present nb of cores. Make it conditional for 32-bit
> systems, select a limit for this case (slightly more complex, will
> take time).
> - Update the thread-pool policy to allocate new threads only when
> needed, instead of up front (definitely more complex, will take even
> more time).

I am very tired now however, also not sure how to disable individual
tests there.


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