Comment # 4 on bug 981011 from Atri Bhattacharya

OK, still happens with updated TW 20160520, and so here is the full bt:

Reading symbols from /usr/lib/packagekitd...Reading symbols from
/usr/lib/debug/usr/lib/packagekitd.debug...done.
done.
[New LWP 2141]
[New LWP 1427]
[New LWP 1433]
[New LWP 1432]
[New LWP 2089]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Core was generated by `/usr/lib/packagekitd'.
Program terminated with signal SIGABRT, Aborted.
#0  0x00007f983ca82908 in __GI_raise (sig=sig@entry=6) at
../sysdeps/unix/sysv/linux/raise.c:54
54    ../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
[Current thread is 1 (Thread 0x7f9825d65700 (LWP 2141))]
(gdb) bt
#0  0x00007f983ca82908 in __GI_raise (sig=sig@entry=6) at
../sysdeps/unix/sysv/linux/raise.c:54
#1  0x00007f983ca83d5a in __GI_abort () at abort.c:78
#2  0x00007f983ca7b667 in __assert_fail_base (fmt=<optimized out>,
assertion=assertion@entry=0x7f983953b0cc "px != 0", 
    file=file@entry=0x7f983953b7d0
"/usr/include/boost/smart_ptr/intrusive_ptr.hpp", line=line@entry=174, 
    function=function@entry=0x7f983953c760
<boost::intrusive_ptr<zypp::ResObject>::operator->()
const::__PRETTY_FUNCTION__> "T* boost::intrusive_ptr<T>::operator->() const
[with T = zypp::ResObject]") at assert.c:92
#3  0x00007f983ca7b712 in __GI___assert_fail
(assertion=assertion@entry=0x7f983953b0cc "px != 0", 
    file=file@entry=0x7f983953b7d0
"/usr/include/boost/smart_ptr/intrusive_ptr.hpp", line=line@entry=174, 
    function=function@entry=0x7f983953c760
<boost::intrusive_ptr<zypp::ResObject>::operator->()
const::__PRETTY_FUNCTION__> "T* boost::intrusive_ptr<T>::operator->() const
[with T = zypp::ResObject]") at assert.c:101
#4  0x00007f983952d5c9 in boost::intrusive_ptr<zypp::ResObject>::operator->
(this=0x7f9825d64c50) at /usr/include/boost/smart_ptr/intrusive_ptr.hpp:174
#5  backend_get_update_detail_thread (job=0x55b2b20ae4d0, params=<optimized
out>, user_data=<optimized out>) at pk-backend-zypp.cpp:2454
#6  0x000055b2afc5d38a in pk_backend_job_thread_setup
(thread_data=0x55b2b20f81f0) at pk-backend-job.c:813
#7  0x00007f983d30b165 in g_thread_proxy (data=0x55b2b20fa400) at gthread.c:780
#8  0x00007f983cdf7454 in start_thread (arg=0x7f9825d65700) at
pthread_create.c:333
#9  0x00007f983cb363fd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109