Your message dated Tue, 27 Sep 2016 13:31:22 +0200
with message-id <[email protected]>
and subject line Re: Bug#798818: Reopen bug for updating kernel for mipsel
buildds
has caused the Debian Bug report #798818,
regarding Please consider updating kernel for mipsel buildds
to be marked as done.
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798818: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=798818
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--- Begin Message ---
Package: buildd.debian.org
Severity: important
Hi,
the current kernel of the mipsel buildds leads to an FTBS when compiling
the package "eso-midas" [1]. The problem is fixed in recent kernel
versions, but the buildds still run with the older ones.
This leads to the unfortunate situation that for every upload, I have to
search for a mipsel machine that is not affected by the bug (currently a
CI20) and compile and upload manually; otherwise the package would not
migrate to testing.
Please upgrade the kernel on the buildds, or "somehow" integrate the
patch that fixes the bug.
Best regards
Ole
[1] https://bugs.debian.org/781892
--- End Message ---
--- Begin Message ---
On 2016-09-27 10:27, Ole Streicher wrote:
> unarchive 798818
> reopen 798818
> thanks
>
> Sorry for disturbing you again: When building on
> mipsel-aql-02.debian.org, the kernel is still
>
> Kernel: Linux 3.16.0-4-loongson-3 mipsel (mips64)
>
> which is far outdated, and causes an FTBFS:
Far outdated it's probably not the right term. It's the jessie version,
which includes many fixes.
> https://buildd.debian.org/status/fetch.php?pkg=casacore&arch=mipsel&ver=2.1.0-3&stamp=1474903782
Not, it doesn't cause this issue. It's a different issue, bug#798818 is
about SIGILL, while this one corresponds to a precision issue in the
results.
We have identified an hardware FPU bug on the Loongson 3 build daemons,
a dozen of packages are known to be affected so far, it seems your
package is an additional one.
> For comparison, the previous one succeeds:
>
> https://buildd.debian.org/status/fetch.php?pkg=casacore&arch=mipsel&ver=2.1.0-2&stamp=1474385578
It succeeds there, because the buildd uses a different CPU, which does
not have this bug. We aim to replace all the Loongson 3 MIPS buildds by
these one in the long term, also as the other ones are faster.
> Similarly, I get a failure on mipsel-aql-02.debian.org (this time for
> mips64).
mipsel-aql-02.debian.org is building only mipsel and mips64el, and it
seems it only has tried to build casacore for mipsel.
> Could you please update *all* mips buildds to a 4.7 kernel? Otherwise
> there is always trouble with the FPU.
As explained above, this won't fix your issue. That said I have
configured those build daemons to not build casacore anymore, and I have
given back casacore. This should fix your issue.
If you have another similar issue with another package, don't hesitate
to send a mails to mipsel/mips/[email protected] or open a bug
so that we can apply the same strategy.
Aurelien
--
Aurelien Jarno GPG: 4096R/1DDD8C9B
[email protected] http://www.aurel32.net
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