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Bug#1103553: halide: FTBFS: The following tests FAILED: 345 - correctness_tiled_matmul (ILLEGAL) correctness

From Santiago Vila <sanvila@debian.org>
Newsgroups linux.debian.bugs.dist
Subject Bug#1103553: halide: FTBFS: The following tests FAILED: 345 - correctness_tiled_matmul (ILLEGAL) correctness
Date 2025-04-19 12:40 +0200
Message-ID <KDdM6-eGAA-3@gated-at.bofh.it> (permalink)
References <KD3tn-eykq-7@gated-at.bofh.it> <KDcdk-eFh4-7@gated-at.bofh.it> <KD3tn-eykq-7@gated-at.bofh.it> <KDcdk-eFh4-7@gated-at.bofh.it>
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El 19/4/25 a las 10:48, Roman Lebedev escribió:
> Does the bug reproduce if the whole build is rerun from scratch?

I tried six times before reporting:

Status: failed      halide_19.0.0-6_amd64-20250418T100010.385Z
Status: failed      halide_19.0.0-6_amd64-20250418T100011.126Z
Status: failed      halide_19.0.0-6_amd64-20250418T100012.500Z
Status: failed      halide_19.0.0-6_amd64-20250418T100014.400Z
Status: failed      halide_19.0.0-6_amd64-20250418T222003.977Z
Status: failed      halide_19.0.0-6_amd64-20250418T222004.030Z

and each time it was made "from scratch". This is not a hand-made
build with dpkg-buildpackage, this was a mass rebuild using sbuild.

> Looks like it is failing with SIGILL "illegal instruction",
> what is the CPU there? /proc/cpuinfo?

In this case they are c7i and m7i machines from AWS, so they have
a 4th Generation Intel Xeon Scalable processor.

The cpuinfo is attached.

(If you need a VM to reproduce, please contact me privately)

Thanks.

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Thread

Bug#1103553: halide: FTBFS: The following tests FAILED: 345 - correctness_tiled_matmul (ILLEGAL)                correctness Santiago Vila <sanvila@debian.org> - 2025-04-19 01:40 +0200
  Bug#1103553: halide: FTBFS: The following tests FAILED: 345 - correctness_tiled_matmul (ILLEGAL) correctness Roman Lebedev <lebedev.ri@gmail.com> - 2025-04-19 11:00 +0200
    Bug#1103553: halide: FTBFS: The following tests FAILED: 345 - correctness_tiled_matmul (ILLEGAL) correctness Santiago Vila <sanvila@debian.org> - 2025-04-19 12:40 +0200
      Bug#1103553: halide: FTBFS: The following tests FAILED: 345 - correctness_tiled_matmul (ILLEGAL) correctness Roman Lebedev <lebedev.ri@gmail.com> - 2025-04-19 20:40 +0200
  Bug#1103553: halide: FTBFS: The following tests FAILED: 345 - correctness_tiled_matmul (ILLEGAL) correctness Roman Lebedev <lebedev.ri@gmail.com> - 2025-04-27 15:50 +0200

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