Date: Tue, 24 Jan 2017 04:50:58 +0000 From: Philipp Michel <pmichel@gmail.com> To: mono@freebsd.org Cc: romain@freebsd.org Subject: SIGSEGV crash on SMP Xeon E5, can't build from ports Message-ID: <CAA3Uwx2-LEiB3=5EnoqpKKNPP0%2BVGGZ9TvyeJB8oeBY%2BxxwtSA@mail.gmail.com>
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Hi there, I've been a longtime user of mono on FreeBSD without issues. I usually just install the pkg. I recently upgraded my machine from a Haswell E3 to a dual-socket Sandy Bridge E5 and now mono instantly crashes with the SIGSEGV error: ================================================================= Got a SIGSEGV while executing native code. This usually indicates a fatal error in the mono runtime or one of the native libraries used by your application. ================================================================= I've tried to build mono from ports using the debug symbols but even the build process fails when it tries to call mcs resulting in the same SIGSEGV crash. I'm attaching the output below. I think it is related to this bug: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=211367 There are reports of several people still having this issue, seemingly all on multiprocessor machines. Any idea what this could be? I'm at my wits end, all I can think of now is to run mono in a bhyve VM to get around this, which makes me a bit sad... Thanks so much in advance for your help! -Phil -------------------------------------- echo '#! /bin/sh' > _tmpinst/bin/ilasm ; \ r=`pwd`; m=`cd /var/ports/basejail/usr/ports/lang/mono/work/mono-4.6.2/mcs && pwd`; \ echo 'exec "'"$r/_tmpinst/bin/mono"'" "'"$m/ilasm/ilasm.exe"'" "$@"' >> _tmpinst/bin/ilasm ; \ chmod +x _tmpinst/bin/ilasm echo '#! /bin/sh' > _tmpinst/bin/mcs ; \ r=`pwd`; m=`cd /var/ports/basejail/usr/ports/lang/mono/work/mono-4.6.2/mcs && pwd`; \ echo 'exec "'"$r/_tmpinst/bin/mono"'" "'"$m/class/lib/build/mcs.exe"'" "$@"' >> _tmpinst/bin/mcs ; \ chmod +x _tmpinst/bin/mcs echo '#! /bin/sh' > _tmpinst/bin/al ; \ r=`pwd`; m=`cd /var/ports/basejail/usr/ports/lang/mono/work/mono-4.6.2/mcs && pwd`; \ echo 'exec "'"$r/_tmpinst/bin/mono"'" "'"$m/class/lib/net_4_x/al.exe"'" "$@"' >> _tmpinst/bin/al ; \ chmod +x _tmpinst/bin/al if test -w /var/ports/basejail/usr/ports/lang/mono/work/mono-4.6.2/mcs; then :; else chmod -R +w /var/ports/basejail/usr/ports/lang/mono/work/mono-4.6.2/mcs; fi cd /var/ports/basejail/usr/ports/lang/mono/work/mono-4.6.2/mcs && gmake --no-print-directory -s NO_DIR_CHECK=1 PROFILES='binary_reference_assemblies net_4_x xbuild_12 xbuild_14 ' CC='cc' all-profiles mkdir -p -- build/deps gmake[7]: mcs: Command not found gmake[7]: *** [build/profiles/basic.make:93: build/deps/basic-profile-check.exe] Error 127 *** The compiler 'mcs' doesn't appear to be usable. *** Trying the 'monolite' directory. ================================================================= Got a SIGSEGV while executing native code. This usually indicates a fatal error in the mono runtime or one of the native libraries used by your application. ================================================================= gmake[9]: *** [build/profiles/basic.make:93: build/deps/basic-profile-check.exe] Abort trap (core dumped) *** The contents of your 'monolite' directory may be out-of-date *** You may want to try 'make get-monolite-latest' gmake[9]: *** [build/profiles/basic.make:80: do-profile-check-monolite] Error 1 gmake[8]: *** [build/profiles/basic.make:60: do-profile-check] Error 2 gmake[7]: *** [build/profiles/basic.make:88: do-profile-check-monolite] Error 2 gmake[6]: *** [build/profiles/basic.make:60: do-profile-check] Error 2 gmake[5]: *** [Makefile:49: profile-do--basic--all] Error 2 gmake[4]: *** [Makefile:45: profiles-do--all] Error 2 gmake[3]: *** [Makefile:543: all-local] Error 2 gmake[3]: Leaving directory '/var/ports/basejail/usr/ports/lang/mono/work/mono-4.6.2/runtime' gmake[2]: *** [Makefile:512: all-recursive] Error 1 gmake[2]: Leaving directory '/var/ports/basejail/usr/ports/lang/mono/work/mono-4.6.2' gmake[1]: *** [Makefile:441: all] Error 2 gmake[1]: Leaving directory '/var/ports/basejail/usr/ports/lang/mono/work/mono-4.6.2' ===> Compilation failed unexpectedly. Try to set MAKE_JOBS_UNSAFE=yes and rebuild before reporting the failure to the maintainer. *** Error code 1 Stop. -----------------------------------------------------------------
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