On Sat, Oct 17, 2020 at 09:00:30AM +0100, Richard W.M. Jones wrote:
On Sat, Oct 17, 2020 at 08:48:40AM +0100, Richard W.M. Jones wrote:[Adding libguestfs mailing list]I reproduced it locally - the difference was installing "gcc-go". I only had golang-bin installed previously. With gcc-go installed: ../run go install libguestfs.org/libnbd write of Go pointer 0xc000016060 to non-Go memory 0x7f5fe8297390 fatal error: Go pointer stored into non-Go memory runtime stack: runtime_mstart ../../../libgo/runtime/proc.c:593 Notice that these two packages both provide /usr/bin/go, using alternatives: $ rpm -qf /usr/bin/go golang-bin-1.15.3-1.fc34.x86_64 gcc-go-10.2.1-5.fc34.x86_64 $ ll /usr/bin/go lrwxrwxrwx. 1 root root 20 Oct 15 12:46 /usr/bin/go -> /etc/alternatives/go So the easy fix is to remove gcc-go from your Dockerfile. However I will take a look at why gcc-go doesn't work, as I guess we ought to try to support both, or if gcc-go cannot work then we ought to reject it in ./configure.nbdkit-golang-plugin also fails to build with gcc-go: cd examples/disk && \ PKG_CONFIG_PATH="/home/rjones/d/nbdkit/server/local${PKG_CONFIG_PATH:+:$PKG_CONFIG_PATH}" \ GOPATH="/home/rjones/d/nbdkit/plugins/golang" \ go build -o nbdkit-godisk-plugin.so -buildmode=c-shared # _/home/rjones/d/nbdkit/plugins/golang/examples/disk /usr/bin/ld: /usr/lib/gcc/x86_64-redhat-linux/10/libgolibbegin.a(libgolibbegin_a-go-libmain.o): undefined reference to symbol 'pthread_create@@GLIBC_2.2.5' /usr/bin/ld: /usr/lib64/libpthread.so.0: error adding symbols: DSO missing from command line collect2: error: ld returned 1 exit status Even adding -pthread didn't help here. I guess gcc-go is just broken.
Could be, thanks a lot for figuring it out, I hope the time is not wasted and it at least helps someone somewhere... at some point. The list of packages is something I will have to go through anyway, for not it is just a list taken from libvirt CI container with bunch of things added for libnbd. The ultimate goal with this is to have automatically updated repository like libnbd-go that looks exactly how golang developers want it so that they can consume it the usual way and it should also be properly tagged whenever a tag is updated in the upstream repository. The fact that there are some checks shouldn't hurt, right? ;-)
Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones Read my programming and virtualization blog: http://rwmj.wordpress.com Fedora Windows cross-compiler. Compile Windows programs, test, and build Windows installers. Over 100 libraries supported. http://fedoraproject.org/wiki/MinGW
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