Package: guix;
Reported by: ludo <at> gnu.org (Ludovic Courtès)
Date: Mon, 5 Oct 2015 14:34:02 UTC
Severity: normal
Done: ludo <at> gnu.org (Ludovic Courtès)
Bug is archived. No further changes may be made.
Message #8 received at 21620 <at> debbugs.gnu.org (full text, mbox):
From: ludo <at> gnu.org (Ludovic Courtès) To: gmp-bugs <at> gmplib.org Cc: 21620 <at> debbugs.gnu.org, Andreas Enge <andreas.enge <at> inria.fr> Subject: tests/mpz/reuse intermittently fails on armhf-linux-gnu Date: Mon, 05 Oct 2015 17:44:55 +0200
[Message part 1 (text/plain, inline)]
Hello, We observe that ‘tests/mpz/reuse’ from GMP 6.0.0 occasionally fails on GNU/Linux on ARMv7 (hard-float ABI.) We are building with GCC 4.9.3, using libc 2.22, and configuring with: --enable-fat --enable-cxx --build=arm-unknown-linux-gnueabihf Additional system info: --8<---------------cut here---------------start------------->8--- $ ./config.guess neon neon neon neon-unknown-linux-gnueabihf $ ./configfsf.guess armv7l-unknown-linux-gnueabihf $ uname -srmpi Linux 3.19.0-00273-ge3b61d5 armv7l unknown unknown $ cat /proc/cpuinfo processor : 0 model name : ARMv7 Processor rev 10 (v7l) BogoMIPS : 9.09 Features : half thumb fastmult vfp edsp thumbee neon vfpv3 tls vfpd32 CPU implementer : 0x41 CPU architecture: 7 CPU variant : 0x2 CPU part : 0xc09 CPU revision : 10 [...] Hardware : Freescale i.MX6 Quad/DualLite (Device Tree) Revision : 0000 Serial : 0000000000000000 --8<---------------cut here---------------end--------------->8--- Example build log: http://hydra.gnu.org/build/704686/nixlog/1/raw To reproduce the problem, run this command long enough: while ./tests/mpz/reuse ; do : ; done Usually the failure comes up after one or two iterations. After removing occurrences of “0 &&” in the ‘dump’ function of reuse.c. The attached files show the output for two different failures (mpz_tdiv_qr and mpz_mul.) Thanks, Ludo’.
[gmp.log (text/plain, attachment)]
[gmp.log.2 (text/plain, inline)]
failure in mpz_mul 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GNU bug tracking system
Copyright (C) 1999 Darren O. Benham,
1997,2003 nCipher Corporation Ltd,
1994-97 Ian Jackson.