Jerry James wrote: > On Wed, Jul 27, 2011 at 9:48 AM, Neal Becker <ndbecker2@xxxxxxxxx> wrote: >> Trying to help packaging dmtcp. There are 2 shared libs installed. They are >> stripped by the rpm install, and then fail when attempting to dlopen them (or >> 1 of them). > > Fail how? What's the error? 1. Get srpm here http://www.ccs.neu.edu/home/kapil/fedora_rpms/dmtcp-1.2.3+svn1214-1.1.src.rpm 2. rpmbuild -ba dmtcp.spec 3. sudo rpm -U *dmtcp* (install all the rpms you just built) 4. Test: dmtcp_checkpoint python DMTCP/MTCP Copyright (C) 2006-2010 Jason Ansel, Michael Rieker, Kapil Arya, and Gene Cooperman This program comes with ABSOLUTELY NO WARRANTY. This is free software, and you are welcome to redistribute it under certain conditions; see COPYING file for details. (Use flag "-q" to hide this message.) dmtcp_coordinator starting... Port: 7779 Checkpoint Interval: disabled (checkpoint manually instead) Exit on last client: 1 Backgrounding... [18446] NOTE at connectionmanager.cpp:623 in handlePreExistingFd; REASON='found pre-existing socket... will not be restored' fd = 10 device = pipe:[19269] [18446] ERROR at mtcpinterface.cpp:91 in find_and_open_mtcp_so; REASON='JASSERT(handle != NULL) failed' mtcpso = /usr/lib64/dmtcp/libmtcp.so dlerror() = /usr/lib64/dmtcp/libmtcp.so: undefined symbol: mtcp_restore_start Message: failed to load libmtcp.so python (18446): Terminating... 5. Goto the rpmbuild/BUILD/dmtcpxxx directory, and reinstall the shared libs sudo make install 6. Now it does not fail. 7. Verify that the only difference is replacing the shared libs installed via rpm vs. the same shared libs installed without rpm. So something that rpm does to the shared libs (in /usr/lib64/dmtcp) is breaking things. The only thing I can think of is strip. 8. Notice the error: dlerror() = /usr/lib64/dmtcp/libmtcp.so: undefined symbol: mtcp_restore_start But it is defined! nm -D /usr/lib64/dmtcp/libmtcp.so | grep mtcp_restore_start 000000000000911c T mtcp_restore_start That was the non-working version of libmtcp.so, which has been stripped. -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel
