[Bug 2032624] Re: mumax3 test suite fails against glibc 2.38

Simon Chopin 2032624 at bugs.launchpad.net
Wed Sep 27 14:37:45 UTC 2023


I'll be shipping a temporary workaround patch that disables the vec
types if __ARM_VEC_MATH_DISABLED is defined. We still need to patch each
failure individually to add that flag to the preprocessor step (not at
build time but at runtime!), but at least the patching should be easier
and quicker than providing proper support for the various vector types.

We shouldn't bother upstreaming those fixes to Debian, as I'm pretty
sure the final glibc part of the solution will look fairly different
than my current patch, but at least we can get those packages working in
the mean time.

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https://bugs.launchpad.net/bugs/2032624

Title:
  mumax3 test suite fails against glibc 2.38

Status in GLibC:
  New
Status in cbmc package in Ubuntu:
  New
Status in cxref package in Ubuntu:
  New
Status in gauche-c-wrapper package in Ubuntu:
  New
Status in glibc package in Ubuntu:
  New
Status in mumax3 package in Ubuntu:
  New
Status in nvidia-nccl package in Ubuntu:
  New
Status in rocm-hipamd package in Ubuntu:
  New
Status in stdgpu-contrib package in Ubuntu:
  New

Bug description:
  The autopkgtests fail with the following error:

  921s nvcc -std=c++03 -ccbin=/usr/bin/cuda-gcc --compiler-options -Werror --compiler-options -Wall -Xptxas -O3 -ptx -arch=compute_50 -code=sm_50 copypadmul2.cu -o copypadmul2_50.ptx
  922s /usr/include/aarch64-linux-gnu/bits/math-vector.h(30): error: identifier "__Float32x4_t" is undefined
  922s 
  922s /usr/include/aarch64-linux-gnu/bits/math-vector.h(31): error: identifier "__Float64x2_t" is undefined
  922s 
  922s /usr/include/aarch64-linux-gnu/bits/math-vector.h(40): error: identifier "__SVFloat32_t" is undefined
  922s 
  922s /usr/include/aarch64-linux-gnu/bits/math-vector.h(41): error: identifier "__SVFloat64_t" is undefined
  922s 
  922s /usr/include/aarch64-linux-gnu/bits/math-vector.h(42): error: identifier "__SVBool_t" is undefined

  Marking as critical as this blocks the glibc transition.

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