Package: src:fftw3 Version: 3.3.8-2 Severity: serious Tags: patch Hiya,
We found this in an Ubuntu test rebuild, but I just confirmed on harris.d.o: > perl -w ./check.pl -r --estimate -c=5 -v `pwd`/bench > Executing "/home/laney/fftw3-3.3.8/tests/bench -o estimate --verbose=1 > --verify '//obrd7560' --verify '//ibrd7560' --verify '//ofrd7560' --verify > '//ifrd7560' --verify 'obrd7560' --verify 'ibrd7560' --verify 'ofrd7560' > --verify 'ifrd7560' --verify '//obcd7560' --verify '//ibcd7560' --verify > '//ofcd7560' --verify '//ifcd7560' --verify 'obcd7560' --verify 'ibcd7560' > --verify 'ofcd7560' --verify 'ifcd7560' --verify 'okd5e00*18' --verify > 'ikd5e00*18' --verify 'obrd8x3x7v7' --verify 'ibrd8x3x7v7' --verify > 'ofrd8x3x7v7' --verify 'ifrd8x3x7v7' --verify '//obcd8x3x7v7' --verify > '//ibcd8x3x7v7' --verify '//ofcd8x3x7v7' --verify '//ifcd8x3x7v7' --verify > 'obcd8x3x7v7' --verify 'ibcd8x3x7v7' --verify 'ofcd8x3x7v7' --verify > 'ifcd8x3x7v7' --verify 'okd17472o00' --verify 'ikd17472o00' --verify > 'obr5x8x10x14v6' --verify 'ibr5x8x10x14v6' --verify 'ofr5x8x10x14v6' --verify > 'ifr5x8x10x14v6' --verify '//obc5x8x10x14v6' --verify '//ibc5x8x10x14v6' > --verify '//ofc5x8x10x14v6' --verify '//ifc5x8x10x14v6' --verify > 'obc5x8x10x14v6' --verify 'ibc5x8x10x14v6' --verify 'ofc5x8x10x14v6' --verify > 'ifc5x8x10x14v6'" > //obrd7560 2.36623e-07 7.01972e-07 2.57654e-07 > //ibrd7560 2.70078e-07 7.01972e-07 2.48174e-07 > //ofrd7560 2.32727e-07 7.01972e-07 2.3547e-07 > Segmentation fault I can try to get a backtrace if you want, or feel free to grab the build from harris:~laney/fftw3-3.3.8 and poke at it. Daniel Van Vugt from the Ubuntu team investigated this a little bit and found that disabling Neon works around this problem. See the MR: https://salsa.debian.org/science-team/fftw3/merge_requests/1 Would appreciate your thoughts. Cheers, -- Iain Lane [ i...@orangesquash.org.uk ] Debian Developer [ la...@debian.org ] Ubuntu Developer [ la...@ubuntu.com ]