Package: src:python3.5 Version: 3.5.2-8 Severity: important Dear Maintainer,
* What led up to the situation? dpkg-buildpackage -j4 on a Raspbery Pi 2 After ~3 hours, the build fails with a segmentation fault -- System Information: Debian Release: 8.6 APT prefers stable-updates APT policy: (500, 'stable-updates'), (500, 'stable') Architecture: armhf (armv7l) Kernel: Linux 4.4.30-v7+ (SMP w/4 CPU cores) Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) Hopefully these lines will help: arm-linux-gnueabihf-gcc-ar rc libpython3.5m.a Objects/abstract.o Objects/accu.o Objects/boolobject.o Objects/bytes_methods.o Objects/bytearrayobject.o Objects/bytesobject.o Objects/cellobject.o Objects/classobject.o Objects/codeobject.o Objects/complexobject.o Objects/descrobject.o Objects/enumobject.o Objects/exceptions.o Objects/genobject.o Objects/fileobject.o Objects/floatobject.o Objects/frameobject.o Objects/funcobject.o Objects/iterobject.o Objects/listobject.o Objects/longobject.o Objects/dictobject.o Objects/odictobject.o Objects/memoryobject.o Objects/methodobject.o Objects/moduleobject.o Objects/namespaceobject.o Objects/object.o Objects/obmalloc.o Objects/capsule.o Objects/rangeobject.o Objects/setobject.o Objects/sliceobject.o Objects/structseq.o Objects/tupleobject.o Objects/typeobject.o Objects/unicodeobject.o Objects/unicodectype.o Objects/weakrefobject.o arm-linux-gnueabihf-gcc-ar rc libpython3.5m.a Python/_warnings.o Python/Python-ast.o Python/asdl.o Python/ast.o Python/bltinmodule.o Python/ceval.o Python/compile.o Python/codecs.o Python/dynamic_annotations.o Python/errors.o Python/frozenmain.o Python/future.o Python/getargs.o Python/getcompiler.o Python/getcopyright.o Python/getplatform.o Python/getversion.o Python/graminit.o Python/import.o Python/importdl.o Python/marshal.o Python/modsupport.o Python/mystrtoul.o Python/mysnprintf.o Python/peephole.o Python/pyarena.o Python/pyctype.o Python/pyfpe.o Python/pyhash.o Python/pylifecycle.o Python/pymath.o Python/pystate.o Python/pythonrun.o Python/pytime.o Python/random.o Python/structmember.o Python/symtable.o Python/sysmodule.o Python/traceback.o Python/getopt.o Python/pystrcmp.o Python/pystrtod.o Python/pystrhex.o Python/dtoa.o Python/formatter_unicode.o Python/fileutils.o Python/dynload_shlib.o Python/thread.o Python/frozen.o arm-linux-gnueabihf-gcc-ar rc libpython3.5m.a Modules/config.o Modules/getpath.o Modules/main.o Modules/gcmodule.o arm-linux-gnueabihf-gcc-ar rc libpython3.5m.a Modules/_threadmodule.o Modules/signalmodule.o Modules/arraymodule.o Modules/mathmodule.o Modules/_math.o Modules/_struct.o Modules/_randommodule.o Modules/_elementtree.o Modules/_pickle.o Modules/_datetimemodule.o Modules/_bisectmodule.o Modules/_heapqmodule.o Modules/unicodedata.o Modules/fcntlmodule.o Modules/spwdmodule.o Modules/grpmodule.o Modules/selectmodule.o Modules/socketmodule.o Modules/_posixsubprocess.o Modules/md5module.o Modules/sha1module.o Modules/sha256module.o Modules/sha512module.o Modules/syslogmodule.o Modules/binascii.o Modules/zlibmodule.o Modules/pyexpat.o Modules/posixmodule.o Modules/errnomodule.o Modules/pwdmodule.o Modules/_sre.o Modules/_codecsmodule.o Modules/_weakref.o Modules/_functoolsmodule.o Modules/_operator.o Modules/_collectionsmodule.o Modules/itertoolsmodule.o Modules/atexitmodule.o Modules/_stat.o Modules/timemodule.o Modules/_localemodule.o Modules/_iomodule.o Modules/iobase.o Modules/fileio.o Modules/bytesio.o Modules/bufferedio.o Modules/textio.o Modules/stringio.o Modules/zipimport.o Modules/faulthandler.o Modules/_tracemalloc.o Modules/hashtable.o Modules/symtablemodule.o Modules/xxsubtype.o arm-linux-gnueabihf-gcc-ranlib libpython3.5m.a arm-linux-gnueabihf-gcc -pthread -Wl,-z,relro -fprofile-generate -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -g -fstack-protector-strong -Wformat -Werror=format-security -g -flto -fuse-linker-plugin -ffat-lto-objects -Xlinker -export-dynamic -Wl,-O1 -Wl,-Bsymbolic-functions -o python Programs/python.o libpython3.5m.a -lpthread -ldl -lutil -lexpat -L/usr/lib -lz -lexpat -lm arm-linux-gnueabihf-gcc -pthread -Wl,-z,relro -fprofile-generate -Xlinker -export-dynamic -Wl,-O1 -Wl,-Bsymbolic-functions -o Programs/_testembed Programs/_testembed.o libpython3.5m.a -lpthread -ldl -lutil -lexpat -L/usr/lib -lz -lexpat -lm In function '__fread_alias', inlined from 'read_directory' at ../Modules/zipimport.c:999:13: /usr/include/arm-linux-gnueabihf/bits/stdio2.h:290:2: warning: call to '__fread_chk_warn' declared with attribute warning: fread called with bigger size * nmemb than length of destination buffer return __fread_chk (__ptr, __bos0 (__ptr), __size, __n, __stream); ^ In function '__wcsncpy_alias', inlined from 'calculate_path' at ../Modules/getpath.c:544:17: /usr/include/arm-linux-gnueabihf/bits/wchar2.h:197:2: warning: call to '__wcsncpy_chk_warn' declared with attribute warning: wcsncpy called with length bigger than size of destination buffer return __wcsncpy_chk (__dest, __src, __n, ^ In function '__fread_alias', inlined from 'read_directory' at ../Modules/zipimport.c:999:13: /usr/include/arm-linux-gnueabihf/bits/stdio2.h:290:2: warning: call to '__fread_chk_warn' declared with attribute warning: fread called with bigger size * nmemb than length of destination buffer return __fread_chk (__ptr, __bos0 (__ptr), __size, __n, __stream); ^ In function '__wcsncpy_alias', inlined from 'calculate_path' at ../Modules/getpath.c:544:17: /usr/include/arm-linux-gnueabihf/bits/wchar2.h:197:2: warning: call to '__wcsncpy_chk_warn' declared with attribute warning: wcsncpy called with length bigger than size of destination buffer return __wcsncpy_chk (__dest, __src, __n, ^ ./python -E -S -m sysconfig --generate-posix-vars ;\ if test $? -ne 0 ; then \ echo "generate-posix-vars failed" ; \ rm -f ./pybuilddir.txt ; \ exit 1 ; \ fi The following modules found by detect_modules() in setup.py, have been built by the Makefile instead, as configured by the Setup files: _bisect _datetime _elementtree _heapq _md5 _pickle _posixsubprocess _random _sha1 _sha256 _sha512 _socket _struct array atexit binascii fcntl grp math pwd pyexpat select spwd syslog time unicodedata zlib Segmentation fault Makefile:626: recipe for target 'sharedmods' failed make[3]: *** [sharedmods] Error 139 make[3]: Leaving directory '/home/voltagex/src/python3.5-3.5.2/build-static' Makefile:523: recipe for target 'build_all_generate_profile' failed make[2]: *** [build_all_generate_profile] Error 2 make[2]: Leaving directory '/home/voltagex/src/python3.5-3.5.2/build-static' Makefile:504: recipe for target 'profile-opt' failed make[1]: *** [profile-opt] Error 2 make[1]: Leaving directory '/home/voltagex/src/python3.5-3.5.2/build-static' debian/rules:274: recipe for target 'stamps/stamp-build-static' failed make: *** [stamps/stamp-build-static] Error 2 dpkg-buildpackage: error: debian/rules build gave error exit status 2 I can also reproduce this on a pbuilder configured to build for armhf via qemu (see https://jodal.no/2015/03/08/building-arm-debs-with-pbuilder/). I am going to retry this with the -9 version but I expect the same result. Thanks, Adam