Re: ino64? r318606 -> r318739 OK; r318739 -> r318781 fails SIGSEGV

On Wed, May 24, 2017 at 04:59:31AM -0700, David Wolfskill wrote:
> Yesterday's in-place src update (r318606 -> r318739) was a bit more
> "interesting" than usual; as has been noted elsewhere, it really is
> necessary to boot the new kernel before the "make installworld"
> completes successfully.  That said, it ("make installworld") did
> complete successfully, and a followup reboot/smoke test worked without
> incident.
> 
> For today's update, sources are now at r318781; both laptop and build
> machine fail identically during ">>> stage 4.2: building libraries":
> 
> ...
> Building /common/S4/obj/usr/src/lib/libc/strsignal.pico
> Building /common/S4/obj/usr/src/lib/libc/libc.a
> --- libc.a ---
> building static c library
> Building /common/S4/obj/usr/src/lib/libc/libc.so.7
> Building /common/S4/obj/usr/src/lib/libc/libc_pic.a
> --- libc.so.7 ---
> building shared library libc.so.7
> --- libc_pic.a ---
> building special pic c library
> --- libc.so.7 ---
> cc: error: unable to execute command: Segmentation fault (core dumped)
> cc: error: linker command failed due to signal (use -v to see invocation)
> *** [libc.so.7] Error code 254
> 
> bmake[4]: stopped in /usr/src/lib/libc
> .ERROR_TARGET='libc.so.7'
> .ERROR_META_FILE='/common/S4/obj/usr/src/lib/libc/libc.so.7.meta'
> .MAKE.LEVEL='4'
> MAKEFILE=''
> .MAKE.MODE='meta missing-filemon=yes missing-meta=yes silent=yes verbose'
> .CURDIR='/usr/src/lib/libc'
> .MAKE='/usr/obj/usr/src/make.amd64/bmake'
> .OBJDIR='/usr/obj/usr/src/lib/libc'
> .TARGETS='all'
> DESTDIR='/usr/obj/usr/src/tmp'
> LD_LIBRARY_PATH=''
> MACHINE='amd64'
> MACHINE_ARCH='amd64'
> MAKEOBJDIRPREFIX='/usr/obj'
> MAKESYSPATH='/usr/src/share/mk'
> MAKE_VERSION='20160604'
> PATH='/usr/obj/usr/src/tmp/legacy/usr/sbin:/usr/obj/usr/src/tmp/legacy/usr/bin:/usr/obj/usr/src/tmp/legacy/bin:/usr/obj/usr/src/tmp/usr/sbin:/usr/obj/usr/src/tmp/usr/bin:/sbin:/bin:/usr/sbin:/usr/bin'
> SRCTOP='/usr/src'
> OBJTOP='/usr/obj/usr/src'
> .MAKE.MAKEFILES='/usr/src/share/mk/sys.mk /usr/src/share/mk/local.sys.env.mk /usr/src/share/mk/src.sys.env.mk /etc/src-env.conf /usr/src/share/mk/bsd.mkopt.mk /usr/src/share/mk/bsd.suffixes.mk /etc/make.conf /usr/src/share/mk/local.sys.mk /usr/src/share/mk/src.sys.mk /etc/src.conf /usr/src/lib/libc/Makefile /usr/src/share/mk/src.opts.mk /usr/src/share/mk/bsd.own.mk /usr/src/share/mk/bsd.opts.mk /usr/src/share/mk/bsd.cpu.mk /usr/src/share/mk/bsd.compiler.mk /usr/src/share/mk/bsd.compiler.mk /usr/src/lib/libc/amd64/Makefile.inc /usr/src/lib/libc/db/Makefile.inc /usr/src/lib/libc/db/btree/Makefile.inc /usr/src/lib/libc/db/db/Makefile.inc /usr/src/lib/libc/db/hash/Makefile.inc /usr/src/lib/libc/db/man/Makefile.inc /usr/src/lib/libc/db/mpool/Makefile.inc /usr/src/lib/libc/db/recno/Makefile.inc /usr/src/lib/libc/compat-43/Makefile.inc /usr/src/lib/libc/gdtoa/Makefile.inc /usr/src/lib/libc/gen/Makefile.inc /usr/src/lib/libc/amd64/gen/Makefile.inc /usr/src/lib/libc/gmon/Makefile.inc /usr/src/lib/libc/iconv/Makefile.inc /usr/src/lib/libc_nonshared/Makefile.iconv /usr/src/lib/libc/inet/Makefile.inc /usr/src/lib/libc/isc/Makefile.inc /usr/src/lib/libc/locale/Makefile.inc /usr/src/lib/libc/md/Makefile.inc /usr/src/lib/libc/nameser/Makefile.inc /usr/src/lib/libc/net/Makefile.inc /usr/src/lib/libc/nls/Makefile.inc /usr/src/lib/libc/posix1e/Makefile.inc /usr/src/lib/libc/regex/Makefile.inc /usr/src/lib/libc/resolv/Makefile.inc /usr/src/lib/libc/stdio/Makefile.inc /usr/src/lib/libc/stdlib/Makefile.inc /usr/src/lib/libc/amd64/stdlib/Makefile.inc /usr/src/lib/libc/stdlib/jemalloc/Makefile.inc /usr/src/lib/libc/stdtime/Makefile.inc /usr/src/lib/libc/string/Makefile.inc /usr/src/lib/libc/amd64/string/Makefile.inc /usr/src/lib/libc/sys/Makefile.inc /usr/src/sys/sys/syscall.mk /usr/src/lib/libc/amd64/sys/Makefile.inc /usr/src/lib/libc/secure/Makefile.inc /usr/src/lib/libc/rpc/Makefile.inc /usr/src/lib/libc/uuid/Makefile.inc /usr/src/lib/libc/xdr/Makefile.inc /usr/src/lib/libc/x86/sys/Makefile.inc /usr/src/lib/libc/yp/Makefile.inc /
> .PATH='. /usr/src/lib/libc /usr/src/lib/libc/db/btree /usr/src/lib/libc/db/db /usr/src/lib/libc/db/hash /usr/src/lib/libc/db/man /usr/src/lib/libc/db/mpool /usr/src/lib/libc/db/recno /usr/src/lib/libc/compat-43 /usr/src/lib/libc/gdtoa /usr/src/lib/libc/amd64/gen /usr/src/lib/libc/gen /usr/src/contrib/libc-pwcache /usr/src/contrib/libc-vis /usr/src/lib/libc/gmon /usr/src/lib/libc/iconv /usr/src/lib/libc/inet /usr/src/lib/libc/isc /usr/src/lib/libc/locale /usr/src/lib/libmd /usr/src/lib/libc/nameser /usr/src/lib/libc/net /usr/src/lib/libc/nls /usr/src/lib/libc/posix1e /usr/src/lib/libc/regex /usr/src/lib/libc/resolv /usr/src/lib/libc/stdio /usr/src/lib/libc/amd64/stdlib /usr/src/lib/libc/stdlib /usr/src/lib/libc/stdlib/jemalloc /usr/src/lib/libc/stdtime /usr/src/contrib/tzcode/stdtime /usr/src/lib/libc/amd64/string /usr/src/lib/libc/string /usr/src/sys/libkern /usr/src/lib/libc/amd64/sys /usr/src/lib/libc/sys /usr/src/lib/libc/secure /usr/src/lib/libc/rpc /usr/src/lib/libc/. /usr/src/lib/libc/uuid /usr/src/lib/libc/xdr /usr/src/lib/libc/x86/sys /usr/src/lib/libc/yp /usr/src/sys/kern /usr/src/lib/libc/capability'
> 1 error
> ....
> 
> I'm using 'WITH_META_MODE=yes' -- have been for nearly a year (of daily
> updates) on both machines.
> 
> I tried "make clean", then re-tried the build; the resulting failure
> looks "functionally identical" to me:
> 
> ...
> Building /common/S4/obj/usr/src/lib/libc/zh_CN.UTF-8.cat
> Building /common/S4/obj/usr/src/lib/libc/libc.a
> --- libc.a ---
> building static c library
> Building /common/S4/obj/usr/src/lib/libc/libc.so.7
> Building /common/S4/obj/usr/src/lib/libc/libc_pic.a
> --- libc.so.7 ---
> building shared library libc.so.7
> --- libc_pic.a ---
> building special pic c library
> --- libc.so.7 ---
> cc: error: unable to execute command: Segmentation fault (core dumped)
> cc: error: linker command failed due to signal (use -v to see invocation)
> *** [libc.so.7] Error code 254
> 
> bmake[4]: stopped in /usr/src/lib/libc
> .ERROR_TARGET='libc.so.7'
> .ERROR_META_FILE='/common/S4/obj/usr/src/lib/libc/libc.so.7.meta'
> .MAKE.LEVEL='4'
> MAKEFILE=''
> .MAKE.MODE='meta missing-filemon=yes missing-meta=yes silent=yes verbose'
> .CURDIR='/usr/src/lib/libc'
> .MAKE='/usr/obj/usr/src/make.amd64/bmake'
> .OBJDIR='/usr/obj/usr/src/lib/libc'
> .TARGETS='all'
> DESTDIR='/usr/obj/usr/src/tmp'
> LD_LIBRARY_PATH=''
> MACHINE='amd64'
> MACHINE_ARCH='amd64'
> 
> ....
> 
> Any suggestions?

If you perform build of r318739 on r318739 (i.e. build of the same sources
as installed on your machine), does the SIGSEGV occur ?

Anyway, get the core file loaded into gdb and get the backtrace, at least.