llvm15 compile issues

N

nedry

Hello I am trying to compile port: llvm15 but i keep getting the following errors:
Code: 
Feb 25 05:25:26 12-4-devel kernel: swap_pager_getswapspace(32): failed
Feb 25 05:25:27 12-4-devel syslogd: last message repeated 3 times
Feb 25 05:25:27 12-4-devel kernel: swap_pager_getswapspace(20): failed
Feb 25 05:25:27 12-4-devel kernel: swap_pager_getswapspace(32): failed
Feb 25 05:25:27 12-4-devel kernel: swap_pager_getswapspace(20): failed
Feb 25 05:25:27 12-4-devel kernel: swap_pager_getswapspace(18): failed
Feb 25 05:25:27 12-4-devel kernel: swap_pager_getswapspace(9): failed
Feb 25 05:25:27 12-4-devel kernel: swap_pager_getswapspace(6): failed
Feb 25 05:25:28 12-4-devel kernel: pid 48725 (c++), jid 0, uid 0, was killed: out of swap space

This issue is both on 12.4 and 13.1 with all the latest kernel patches. And cmake version 3.25.1. I have 4GB ram, UFS filesystem, 4GB swap partition and another 4gb swap file. What is strange is that it always compiles successfully until the following file is reached:

Code: 
[ 96% 8836/9148] /usr/bin/c++ -DFLANG_LITTLE_ENDIAN=1 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/usr/ports/devel/llvm15/work/.build/tools/flang/lib/Lower -I/usr/ports/devel/llvm15/work/llvm-project-15.0.7.src/flang/lib/Lower -I/usr/ports/devel/llvm15/work/llvm-project-15.0.7.src/flang/include -I/usr/ports/devel/llvm15/work/.build/tools/flang/include -I/usr/ports/devel/llvm15/work/.build/include -I/usr/ports/devel/llvm15/work/llvm-project-15.0.7.src/llvm/include -isystem /usr/ports/devel/llvm15/work/llvm-project-15.0.7.src/llvm/../mlir/include -isystem /usr/ports/devel/llvm15/work/.build/tools/mlir/include -isystem /usr/ports/devel/llvm15/work/.build/tools/clang/include -isystem /usr/ports/devel/llvm15/work/llvm-project-15.0.7.src/llvm/../clang/include -O2 -pipe -DNDEBUG -fstack-protector-strong -isystem /usr/local/include -fno-strict-aliasing  -DNDEBUG -isystem /usr/local/include -fPIC -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -fdiagnostics-color -ffunction-sections -fdata-sections -Wno-deprecated-copy -Wno-string-conversion -Wno-unused-command-line-argument -Wstring-conversion           -Wcovered-switch-default -Wno-nested-anon-types -O2 -pipe -DNDEBUG -fstack-protector-strong -isystem /usr/local/include -fno-strict-aliasing  -DNDEBUG -isystem /usr/local/include  -DNDEBUG  -fno-exceptions -std=c++17 -MD -MT tools/flang/lib/Lower/CMakeFiles/obj.FortranLower.dir/ConvertExpr.cpp.o -MF tools/flang/lib/Lower/CMakeFiles/obj.FortranLower.dir/ConvertExpr.cpp.o.d -o tools/flang/lib/Lower/CMakeFiles/obj.FortranLower.dir/ConvertExpr.cpp.o -c /usr/ports/devel/llvm15/work/llvm-project-15.0.7.src/flang/lib/Lower/ConvertExpr.cpp
FAILED: tools/flang/lib/Lower/CMakeFiles/obj.FortranLower.dir/ConvertExpr.cpp.o
/usr/bin/c++ -DFLANG_LITTLE_ENDIAN=1 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/usr/ports/devel/llvm15/work/.build/tools/flang/lib/Lower -I/usr/ports/devel/llvm15/work/llvm-project-15.0.7.src/flang/lib/Lower -I/usr/ports/devel/llvm15/work/llvm-project-15.0.7.src/flang/include -I/usr/ports/devel/llvm15/work/.build/tools/flang/include -I/usr/ports/devel/llvm15/work/.build/include -I/usr/ports/devel/llvm15/work/llvm-project-15.0.7.src/llvm/include -isystem /usr/ports/devel/llvm15/work/llvm-project-15.0.7.src/llvm/../mlir/include -isystem /usr/ports/devel/llvm15/work/.build/tools/mlir/include -isystem /usr/ports/devel/llvm15/work/.build/tools/clang/include -isystem /usr/ports/devel/llvm15/work/llvm-project-15.0.7.src/llvm/../clang/include -O2 -pipe -DNDEBUG -fstack-protector-strong -isystem /usr/local/include -fno-strict-aliasing  -DNDEBUG -isystem /usr/local/include -fPIC -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -fdiagnostics-color -ffunction-sections -fdata-sections -Wno-deprecated-copy -Wno-string-conversion -Wno-unused-command-line-argument -Wstring-conversion           -Wcovered-switch-default -Wno-nested-anon-types -O2 -pipe -DNDEBUG -fstack-protector-strong -isystem /usr/local/include -fno-strict-aliasing  -DNDEBUG -isystem /usr/local/include  -DNDEBUG  -fno-exceptions -std=c++17 -MD -MT tools/flang/lib/Lower/CMakeFiles/obj.FortranLower.dir/ConvertExpr.cpp.o -MF tools/flang/lib/Lower/CMakeFiles/obj.FortranLower.dir/ConvertExpr.cpp.o.d -o tools/flang/lib/Lower/CMakeFiles/obj.FortranLower.dir/ConvertExpr.cpp.o -c /usr/ports/devel/llvm15/work/llvm-project-15.0.7.src/flang/lib/Lower/ConvertExpr.cpp
ninja: build stopped: subcommand failed.

It never fails before this file. All other .cpp files before reaching this file are compiled successfully.
many thanks,
nedry
 
Fair point, i thought 8gb total swap should have been enough. I thought if it was a swap issue why not randomly fail before this file????
 
Because it manages to get to that point each time before swap is exhausted (maybe?).

Is anything else on the machine using lots of RAM or all resources dedicated to the build?
 
Yeah, in single process compilation it shouldn't run out of ram+swap. Something is up. Or is it parallel compile?
 
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