Segmentation fault during precompilation on Julia master

[vchuravy]

Julia Version 1.3.0-DEV.242
Commit 6bd396775d (2019-05-16 22:30 UTC)
Platform Info:
  OS: Linux (x86_64-pc-linux-gnu)
  CPU: Intel(R) Xeon(R) CPU E5-2637 v2 @ 3.50GHz
  WORD_SIZE: 64
  LIBM: libopenlibm
  LLVM: libLLVM-6.0.1 (ORCJIT, ivybridge)
Environment:
  JULIA_DEPOT_PATH = /builds/JuliaGPU/CUDAnative.jl/.julia/

As seen on https://gitlab.com/JuliaGPU/CUDAnative.jl/-/jobs/214703448

signal (11): Segmentation fault
in expression starting at none:0
jl_serialize_value_ at /buildworker/worker/package_linux64/build/src/dump.c:588
jl_serialize_value_ at /buildworker/worker/package_linux64/build/src/dump.c:990 [inlined]
jl_serialize_value_ at /buildworker/worker/package_linux64/build/src/dump.c:1011
jl_serialize_value_ at /buildworker/worker/package_linux64/build/src/dump.c:990
jl_serialize_value_ at /buildworker/worker/package_linux64/build/src/dump.c:1066
jl_serialize_value_ at /buildworker/worker/package_linux64/build/src/dump.c:1021
jl_serialize_value_ at /buildworker/worker/package_linux64/build/src/dump.c:507 [inlined]
jl_serialize_datatype at /buildworker/worker/package_linux64/build/src/dump.c:403 [inlined]
jl_serialize_value_ at /buildworker/worker/package_linux64/build/src/dump.c:766
jl_serialize_value_ at /buildworker/worker/package_linux64/build/src/dump.c:507 [inlined]
jl_serialize_value_ at /buildworker/worker/package_linux64/build/src/dump.c:780
jl_serialize_value_ at /buildworker/worker/package_linux64/build/src/dump.c:850 [inlined]
jl_serialize_module at /buildworker/worker/package_linux64/build/src/dump.c:446 [inlined]
jl_serialize_value_ at /buildworker/worker/package_linux64/build/src/dump.c:899
jl_serialize_module at /buildworker/worker/package_linux64/build/src/dump.c:439 [inlined]
jl_serialize_value_ at /buildworker/worker/package_linux64/build/src/dump.c:899
jl_serialize_value_ at /buildworker/worker/package_linux64/build/src/dump.c:999 [inlined]
jl_serialize_value_ at /buildworker/worker/package_linux64/build/src/dump.c:686
jl_serialize_value_ at /buildworker/worker/package_linux64/build/src/dump.c:2881 [inlined]
jl_save_incremental at /buildworker/worker/package_linux64/build/src/dump.c:2821
jl_write_compiler_output at /buildworker/worker/package_linux64/build/src/precompile.c:66
jl_atexit_hook at /buildworker/worker/package_linux64/build/src/init.c:234
main at /buildworker/worker/package_linux64/build/ui/repl.c:218
__libc_start_main at /lib/x86_64-linux-gnu/libc.so.6 (unknown line)
_start at /opt/julia/usr/bin/julia (unknown line)
Allocations: 5450058 (Pool: 5449069; Big: 989); GC: 11
ERROR: LoadError: Failed to precompile CUDAnative [be33ccc6-a3ff-5ff2-a52e-74243cff1e17] to /builds/JuliaGPU/CUDAnative.jl/.julia/compiled/v1.3/CUDAnative/4Zu2W.ji.
Stacktrace:
 [1] error(::String) at ./error.jl:33
 [2] compilecache(::Base.PkgId, ::String) at ./loading.jl:1253
 [3] _require(::Base.PkgId) at ./loading.jl:1013
 [4] require(::Base.PkgId) at ./loading.jl:911
 [5] require(::Module, ::Symbol) at ./loading.jl:906
 [6] include at ./boot.jl:328 [inlined]
 [7] include_relative(::Module, ::String) at ./loading.jl:1094
 [8] include(::Module, ::String) at ./Base.jl:31
 [9] include(::String) at ./client.jl:431
 [10] top-level scope at none:5
in expression starting at /builds/JuliaGPU/CUDAnative.jl/test/runtests.jl:3
ERROR: Package CUDAnative errored during testing

[vchuravy]

Last successful run was:

https://gitlab.com/JuliaGPU/CUDAnative.jl/-/jobs/212684119

Julia Version 1.3.0-DEV.220
Commit b4b46342ea (2019-05-14 16:15 UTC)
Platform Info:
  OS: Linux (x86_64-pc-linux-gnu)
  CPU: Intel(R) Xeon(R) CPU E5-2637 v2 @ 3.50GHz
  WORD_SIZE: 64
  LIBM: libopenlibm
  LLVM: libLLVM-6.0.1 (ORCJIT, ivybridge)
Environment:
  JULIA_DEPOT_PATH = /builds/JuliaGPU/CUDAnative.jl/.julia/

[vchuravy]

Also seen on:

Julia Version 1.3.0-DEV.232
Commit 3ad8e15422 (2019-05-16 18:18 UTC)
Platform Info:
  OS: Linux (x86_64-pc-linux-gnu)
  CPU: Intel(R) Xeon(R) CPU E5-2637 v2 @ 3.50GHz
  WORD_SIZE: 64
  LIBM: libopenlibm
  LLVM: libLLVM-6.0.1 (ORCJIT, ivybridge)
Environment:
  JULIA_DEPOT_PATH = /builds/JuliaGPU/CLIMA/.julia/
  CI_JULIA_PROJECT = env/gpu

This leaves us with the range: JuliaLang/julia@b4b4634...3ad8e15

[vchuravy]

git bisect start
# bad: [3ad8e15422d3f18522d04f0865c9116838303a32] Merge pull request #32037 from JuliaLang/ksh/datetest
git bisect bad 3ad8e15422d3f18522d04f0865c9116838303a32
# good: [b4b46342ea71604f07416a8652afa12913128a54] Remove tiers of support (#32022)
git bisect good b4b46342ea71604f07416a8652afa12913128a54
# bad: [b5a4601bbe8a6f1b8ce8f4e307543850c08adb8e] update Julia logos, removing rings round 2 (#32038)
git bisect bad b5a4601bbe8a6f1b8ce8f4e307543850c08adb8e
# bad: [99d2406c98a720e9f9e555109297b577232a01a4] gf: support more dispatch on abstract types (#31916)
git bisect bad 99d2406c98a720e9f9e555109297b577232a01a4
# good: [5c5f5c215f2885af34f3a24956ebdecfb927b4f1] support for Unicode 12.1.0 (#32002)
git bisect good 5c5f5c215f2885af34f3a24956ebdecfb927b4f1
# first bad commit: [99d2406c98a720e9f9e555109297b577232a01a4] gf: support more dispatch on abstract types (#31916)

[vchuravy]

fixed upstream