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hpc / mpifileutils

File utilities designed for scalability and performance.
https://hpc.github.io/mpifileutils
BSD 3-Clause "New" or "Revised" License
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dfilemaker floating point exception #602

Open carbonneau1 opened 2 days ago

carbonneau1 commented 2 days ago

using dfilemaker to create large file with deep tree renders Floating point exception:

following parameters were used: dfilemaker ntotal 1000000000 nlevels 100 maxflen21990232555520

[mutt6:321964] Process received signal [mutt6:321964] Signal: Floating point exception (8) [mutt6:321964] Signal code: (-6) [mutt6:321964] Failing at address: 0x7b1b0004e9ac [mutt6:321964] [ 0] /lib64/libc.so.6(+0x4e5b0)[0x1555542b45b0] [mutt6:321964] [ 1] /g/g0/carbonne/build/src/dfilemaker/dfilemaker(main+0x534)[0x403f9b] [mutt6:321964] [ 2] /lib64/libc.so.6(__libc_start_main+0xe5)[0x1555542a07e5] [mutt6:321964] [ 3] /g/g0/carbonne/build/src/dfilemaker/dfilemaker(_start+0x2e)[0x4024ee] [mutt6:321964] End of error message Floating point exception (core dumped)

This issue needs to be addressed before we put dfilemaker in production.

ofaaland commented 2 days ago

@carbonneau1 what args and node/process counts triggered this?