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From: Maxim Cournoyer <maxim.cournoyer@gmail.com>
To: 39490@debbugs.gnu.org
Subject: bug#39490: [core-updates] fftw 3.3.8 test suite can hang
Date: Fri, 07 Feb 2020 14:08:14 -0500	[thread overview]
Message-ID: <874kw2md0h.fsf@gmail.com> (raw)

I encountered a single occurrence of this while building core-updates
(2073b55e6b964cb8ca15e8c74cb32dac00f05f0d).  I couldn't reproduce the
hang a 2nd time, but in case it'd occur to someone else, I'm reporting
the problem here.

The build appears to be hung, peeking a single CPU core with no output.

The last output printed is:

--8<---------------cut here---------------start------------->8---
Executing "/tmp/guix-build-fftw-3.3.8.drv-0/fftw-3.3.8/tests/bench -o nthreads=2 --verbose=1   --verify 'ofr39v157' --verify 'ifr39v157' --verify '//obc39v157' --verify '//ibc39v157' --verify '//ofc39v157' --verify '//ifc39v157' --verify 'obc39v157' --verify 'ibc39v157' --verify 'ofc39v157' --verify 'ifc39v157' --verify 'ok7e00x27o11v28' --verify 'ik7e00x27o11v28' --verify '//obr23232' --verify '//ibr23232' --verify '//ofr23232' --verify '//ifr23232' --verify 'obr23232' --verify 'ibr23232' --verify 'ofr23232' --verify 'ifr23232' --verify '//obc23232' --verify '//ibc23232' --verify '//ofc23232' --verify '//ifc23232' --verify 'obc23232' --verify 'ibc23232' --verify 'ofc23232' --verify 'ifc23232' --verify 'ok11e11x6bv16' --verify 'ik11e11x6bv16' --verify 'obr3x6v25' --verify 'ibr3x6v25' --verify 'ofr3x6v25' --verify 'ifr3x6v25' --verify '//obc3x6v25' --verify '//ibc3x6v25' --verify '//ofc3x6v25' --verify '//ifc3x6v25' --verify 'obc3x6v25' --verify 'ibc3x6v25' --verify 'ofc3x6v25' --verify 'ifc3x6v25' --verify 'ok10bx8e10x7bx5o01*8' --verify 'ik10bx8e10x7bx5o01*8'"
ofr39v157 3.88346e-16 2.86256e-16 7.57002e-16
ifr39v157 3.47982e-16 2.86256e-16 7.02064e-16
//obc39v157 3.94083e-16 5.72513e-16 8.78504e-16
//ibc39v157 4.03859e-16 4.29385e-16 9.40757e-16
//ofc39v157 4.42394e-16 4.29385e-16 8.87713e-16
//ifc39v157 4.12348e-16 4.29385e-16 8.5851e-16
obc39v157 4.0602e-16 4.29385e-16 8.48734e-16
ibc39v157 3.73274e-16 4.29385e-16 8.9751e-16
ofc39v157 3.97926e-16 4.29385e-16 8.07659e-16
ifc39v157 4.07119e-16 4.29385e-16 7.61853e-16
ok7e00x27o11v28 3.41262e-16 4.83151e-15 3.96424e-16
ik7e00x27o11v28 3.94159e-16 4.37137e-15 3.94158e-16
--8<---------------cut here---------------end--------------->8---

The 'bench' program is the one responsible for such a long execution/hang.

The build of fftw had been ongoing for about 500 CPU minutes.  It may be
related to the tests using more than one thread (some deadlock perhaps).

Maxim

             reply	other threads:[~2020-02-07 19:09 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-07 19:08 Maxim Cournoyer [this message]
2022-08-25  8:34 ` bug#39490: [core-updates] fftw 3.3.8 test suite can hang Maxime Devos
2022-08-25  8:42 ` Maxime Devos
2022-08-25  9:13 ` Maxime Devos

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