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Re: [Pkg-postgresql-public] Bug#820743: [hurd-i386] postgresql-common /

From: Friedrich Beckmann
Subject: Re: [Pkg-postgresql-public] Bug#820743: [hurd-i386] postgresql-common / postgresql-9.5 fails to install during pspp build
Date: Tue, 12 Apr 2016 18:16:40 +0200

Hi Christoph,

thanks for the info. We had disabled the optional postgresql on hurd-i386 in 
the previous pspp release.

Is it maybe an idea to include this test case in the regression in postgresql? 
That would stop the
release of the non-functional postgresql on hurd-i386, no?


> Am 12.04.2016 um 17:39 schrieb Christoph Berg <address@hidden>:
> Re: Friedrich Beckmann 2016-04-12 <address@hidden>
>> Package: postgresql-9.5
>> Version: 9.5.2-1
>> During test installation on buildd for pspp, the pspp build fails on 
>> hurd-i386 during the setup
>> of the postgresql. When I disable postgresql, then pspp builds and works. 
>> This is specific to the hurd-i386 architecture. The pspp package builds on 
>> other architectures.
>> Friedrich
>> The full log: 
> Hi Friedrich,
> the problem is in the hurd kernel that doesn't implement semaphores.
> The interesting initdb error is this:
> creating template1 database in 
> /«PKGBUILDDIR»/build/src/test/regress/./tmp_check/data/base/1 ... FATAL:  
> could not create semaphores: Function not implemented
> DETAIL:  Failed system call was semget(1, 17, 03600).
> We have the weird situation where the server compiles successfully
> including semget(), but isn't able to get executed because the
> the kernel doesn't implement the feature.
> I've talked to the hurd people, and Richard Braun was confirming that
> inter-process semaphores are not implemented yet.
> What we can do from the PostgreSQL side is to replace the current sysv
> semaphores (semget) by POSIX semaphores (sem_init) which don't work
> either, but have a much greater chance of getting implemented in the
> future. So some day, it will just work, but until then, PostgreSQL
> will unfortunately not really be available on that platform.
> Christoph

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