.
Thread 5 (Thread 0x7f8b7f7fe700 (LWP 4383)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007f8b85f7a0ba in g_cond_wait_until (cond=cond@entry=0x55be8e6110c8, mutex=mutex@entry=0x55be8e6110c0, end_time=end_time@entry=284891028) at ../../../glib/gthread-posix.c:1449
        now = {tv_sec = 269, tv_nsec = 891029190}
        span = {tv_sec = 14, tv_nsec = 999998810}
        sampled = 11
        res = <optimized out>
#2  0x00007f8b85f02091 in g_async_queue_pop_intern_unlocked (queue=queue@entry=0x55be8e6110c0, wait=wait@entry=1, end_time=end_time@entry=284891028) at ../../../glib/gasyncqueue.c:422
        retval = <optimized out>
        __FUNCTION__ = "g_async_queue_pop_intern_unlocked"
#3  0x00007f8b85f02651 in g_async_queue_timeout_pop (queue=0x55be8e6110c0, timeout=timeout@entry=15000000) at ../../../glib/gasyncqueue.c:545
        end_time = 284891028
        retval = <optimized out>
        __FUNCTION__ = "g_async_queue_timeout_pop"
#4  0x00007f8b85f58e61 in g_thread_pool_wait_for_new_pool () at ../../../glib/gthreadpool.c:167
        pool = <optimized out>
        local_max_idle_time = 15000
        local_wakeup_thread_serial = <optimized out>
        local_max_unused_threads = <optimized out>
        last_wakeup_thread_serial = 0
        have_relayed_thread_marker = <optimized out>
        pool = <optimized out>
        local_wakeup_thread_serial = <optimized out>
        local_max_unused_threads = <optimized out>
        local_max_idle_time = <optimized out>
        last_wakeup_thread_serial = <optimized out>
        have_relayed_thread_marker = <optimized out>
#5  g_thread_pool_thread_proxy (data=<optimized out>) at ../../../glib/gthreadpool.c:364
        free_pool = <optimized out>
        task = <optimized out>
        pool = <optimized out>
#6  0x00007f8b85f58425 in g_thread_proxy (data=0x7f8b78006720) at ../../../glib/gthread.c:784
        thread = 0x7f8b78006720
        __FUNCTION__ = "g_thread_proxy"
        _g_boolean_var_ = <optimized out>
#7  0x00007f8b85e2b164 in start_thread (arg=<optimized out>) at pthread_create.c:486
        ret = <optimized out>
        pd = <optimized out>
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140237116270336, -6606975996451350378, 140721597424814, 140721597424815, 140721597424944, 140237116268032, 6582486572849698966, 6582087354169432214}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#8  0x00007f8b85d53def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 4 (Thread 0x7f8b7ffff700 (LWP 2103)):
#0  0x00007f8b85d476d9 in __GI___poll (fds=0x55be8e623030, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007f8b85f30136 in g_main_context_poll (priority=<optimized out>, n_fds=2, fds=0x55be8e623030, timeout=<optimized out>, context=0x55be8e61eba0) at ../../../glib/gmain.c:4221
        ret = <optimized out>
        errsv = <optimized out>
        poll_func = 0x7f8b85f3f800 <g_poll>
        poll_func = <optimized out>
        ret = <optimized out>
        errsv = <optimized out>
#2  g_main_context_iterate (context=0x55be8e61eba0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:3915
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 2
        allocated_nfds = 2
        fds = 0x55be8e623030
#3  0x00007f8b85f304c2 in g_main_loop_run (loop=0x55be8e61ece0) at ../../../glib/gmain.c:4116
        self = <optimized out>
        __FUNCTION__ = "g_main_loop_run"
#4  0x00007f8b8615df66 in gdbus_shared_thread_func (user_data=0x55be8e61eb70) at ../../../gio/gdbusprivate.c:275
        data = 0x55be8e61eb70
#5  0x00007f8b85f58425 in g_thread_proxy (data=0x55be8e5ef940) at ../../../glib/gthread.c:784
        thread = 0x55be8e5ef940
        __FUNCTION__ = "g_thread_proxy"
        _g_boolean_var_ = <optimized out>
#6  0x00007f8b85e2b164 in start_thread (arg=<optimized out>) at pthread_create.c:486
        ret = <optimized out>
        pd = <optimized out>
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140237124663040, -6606975996451350378, 140721597428158, 140721597428159, 140721597428288, 140237124660736, 6582487673971939478, 6582087354169432214}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#7  0x00007f8b85d53def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 3 (Thread 0x7f8b84f20700 (LWP 2102)):
#0  0x00007f8b85d476d9 in __GI___poll (fds=0x55be8e612e40, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007f8b85f30136 in g_main_context_poll (priority=<optimized out>, n_fds=2, fds=0x55be8e612e40, timeout=<optimized out>, context=0x55be8e612b90) at ../../../glib/gmain.c:4221
        ret = <optimized out>
        errsv = <optimized out>
        poll_func = 0x7f8b85f3f800 <g_poll>
        poll_func = <optimized out>
        ret = <optimized out>
        errsv = <optimized out>
#2  g_main_context_iterate (context=context@entry=0x55be8e612b90, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:3915
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 2
        allocated_nfds = 2
        fds = 0x55be8e612e40
#3  0x00007f8b85f3025c in g_main_context_iteration (context=0x55be8e612b90, may_block=may_block@entry=1) at ../../../glib/gmain.c:3981
        retval = <optimized out>
#4  0x00007f8b85f302a1 in glib_worker_main (data=<optimized out>) at ../../../glib/gmain.c:5861
No locals.
#5  0x00007f8b85f58425 in g_thread_proxy (data=0x55be8e5ef8a0) at ../../../glib/gthread.c:784
        thread = 0x55be8e5ef8a0
        __FUNCTION__ = "g_thread_proxy"
        _g_boolean_var_ = <optimized out>
#6  0x00007f8b85e2b164 in start_thread (arg=<optimized out>) at pthread_create.c:486
        ret = <optimized out>
        pd = <optimized out>
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140237207635712, -6606975996451350378, 140721597428206, 140721597428207, 140721597428336, 140237207633408, 6582089701765421206, 6582087354169432214}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#7  0x00007f8b85d53def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 2 (Thread 0x7f8b85762900 (LWP 2099)):
#0  0x00007f8b85d476d9 in __GI___poll (fds=0x55be8e6a5f60, nfds=2, timeout=2832) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007f8b85f30136 in g_main_context_poll (priority=<optimized out>, n_fds=2, fds=0x55be8e6a5f60, timeout=<optimized out>, context=0x55be8e5f5490) at ../../../glib/gmain.c:4221
        ret = <optimized out>
        errsv = <optimized out>
        poll_func = 0x7f8b85f3f800 <g_poll>
        poll_func = <optimized out>
        ret = <optimized out>
        errsv = <optimized out>
#2  g_main_context_iterate (context=0x55be8e5f5490, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:3915
        max_priority = 2147483647
        timeout = 2832
        some_ready = <optimized out>
        nfds = 2
        allocated_nfds = 2
        fds = 0x55be8e6a5f60
#3  0x00007f8b85f304c2 in g_main_loop_run (loop=0x55be8e5f55d0) at ../../../glib/gmain.c:4116
        self = <optimized out>
        __FUNCTION__ = "g_main_loop_run"
#4  0x000055be8da3dd14 in main (argc=<optimized out>, argv=<optimized out>) at pk-main.c:244
        loop = 0x55be8e5f55d0
        context = <optimized out>
        helper = {loop = 0x55be8e5f55d0, engine = 0x55be8e5f71a0, exit_idle_time = 300, timer_id = 9}
        ret = <optimized out>
        disable_timer = 0
        version = 0
        timed_exit = 0
        immediate_exit = 0
        keep_environment = 0
        exit_idle_time = 300
        error = 0x0
        backend_name = 0x0
        conf_filename = 0x55be8e5f07a0 "/etc/PackageKit/PackageKit.conf"
        conf = 0x55be8e5ef800
        engine = 0x55be8e5f71a0
        options = {{long_name = 0x55be8da65f2d "backend", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_STRING, arg_data = 0x7ffc4cd3bbc8, description = 0x55be8da5f190 "Packaging backend to use, e.g. dummy", arg_description = 0x0}, {long_name = 0x55be8da5f02b "disable-timer", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x7ffc4cd3bbac, description = 0x55be8da5f039 "Disable the idle timer", arg_description = 0x0}, {long_name = 0x55be8da5f050 "version", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x7ffc4cd3bbb0, description = 0x55be8da5f058 "Show version and exit", arg_description = 0x0}, {long_name = 0x55be8da5f06e "timed-exit", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x7ffc4cd3bbb4, description = 0x55be8da5f079 "Exit after a small delay", arg_description = 0x0}, {long_name = 0x55be8da5f092 "immediate-exit", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x7ffc4cd3bbb8, description = 0x55be8da5f1b8 "Exit after the engine has loaded", arg_description = 0x0}, {long_name = 0x55be8da5f0a1 "keep-environment", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x7ffc4cd3bbbc, description = 0x55be8da5f1e0 "Don't clear environment on startup", arg_description = 0x0}, {long_name = 0x0, short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x0, description = 0x0, arg_description = 0x0}}
        __func__ = "main"
.
Thread 1 (Thread 0x7f8b7ce27700 (LWP 4385)):
#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
        set = {__val = {0, 68719476737, 140237072393264, 3, 0, 0, 7954883314163414131, 8030606865272960103, 140237072367730, 140237072395520, 140237072395760, 140237072395536, 140237072395768, 0, 140237072395784, 0}}
        pid = <optimized out>
        tid = <optimized out>
        ret = <optimized out>
#1  0x00007f8b85c5b535 in __GI_abort () at abort.c:79
        save_stage = 1
        act = {__sigaction_handler = {sa_handler = 0xb, sa_sigaction = 0xb}, sa_mask = {__val = {140237223356032, 3432, 1, 140237223356163, 140237221943921, 24, 140237223356032, 10, 140236925055200, 153, 140237072395020, 140237072395104, 140237221945123, 140237072395104, 140237221891135, 140237223356032}}, sa_flags = -2078274224, sa_restorer = 0x7f8b741a30e0}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007f8b841fb957 in ?? () from /tmp/apport_sandbox_2ytxnvpd/usr/lib/x86_64-linux-gnu/libstdc++.so.6
No symbol table info available.
#3  0x00007f8b84201ab6 in ?? () from /tmp/apport_sandbox_2ytxnvpd/usr/lib/x86_64-linux-gnu/libstdc++.so.6
No symbol table info available.
#4  0x00007f8b84201af1 in std::terminate() () from /tmp/apport_sandbox_2ytxnvpd/usr/lib/x86_64-linux-gnu/libstdc++.so.6
No symbol table info available.
#5  0x00007f8b84201d24 in __cxa_throw () from /tmp/apport_sandbox_2ytxnvpd/usr/lib/x86_64-linux-gnu/libstdc++.so.6
No symbol table info available.
#6  0x00007f8b841fd809 in ?? () from /tmp/apport_sandbox_2ytxnvpd/usr/lib/x86_64-linux-gnu/libstdc++.so.6
No symbol table info available.
#7  0x00007f8b84294e1e in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_replace(unsigned long, unsigned long, char const*, unsigned long) () from /tmp/apport_sandbox_2ytxnvpd/usr/lib/x86_64-linux-gnu/libstdc++.so.6
No symbol table info available.
#8  0x00007f8b846e0c92 in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::replace (__n2=<optimized out>, __s=<optimized out>, __n1=0, __pos=0, this=0x7f8b7ce26b40) at /usr/include/c++/8/bits/basic_string.h:1927
No locals.
#9  std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::replace (__k2=<optimized out>, __k1=<optimized out>, __i2=..., __i1=..., this=0x7f8b7ce26b40) at /usr/include/c++/8/bits/basic_string.h:2121
No locals.
#10 std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::assign<char*, void> (__last=<optimized out>, __first=<optimized out>, this=0x7f8b7ce26b40) at /usr/include/c++/8/bits/basic_string.h:1471
No locals.
#11 std::__cxx11::basic_stringbuf<char, std::char_traits<char>, std::allocator<char> >::str (this=0x7f8b7ce26b68) at /usr/include/c++/8/sstream:174
        __ret = <optimized out>
        __ret = <optimized out>
#12 std::__cxx11::basic_stringstream<char, std::char_traits<char>, std::allocator<char> >::str (this=0x7f8b7ce26b50) at /usr/include/c++/8/sstream:780
No locals.
#13 show_errors (job=0x55be8e6cefd0, errorCode=PK_ERROR_ENUM_CANNOT_FETCH_SOURCES, errModify=153) at apt-messages.cpp:55
        errors = <incomplete type>
        Err = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f8b740ccb50 ""}, _M_string_length = 53, {_M_local_buf = "\\", '\000' <repeats 14 times>, _M_allocated_capacity = 92}}
#14 0x000055be8da5203a in pk_backend_job_thread_setup (thread_data=0x55be8e8a4120) at pk-backend-job.c:726
        helper = 0x55be8e8a4120
#15 0x00007f8b85f58425 in g_thread_proxy (data=0x55be8e6a90a0) at ../../../glib/gthread.c:784
        thread = 0x55be8e6a90a0
        __FUNCTION__ = "g_thread_proxy"
        _g_boolean_var_ = <optimized out>
#16 0x00007f8b85e2b164 in start_thread (arg=<optimized out>) at pthread_create.c:486
        ret = <optimized out>
        pd = <optimized out>
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140237072398080, -6606975996451350378, 140721597429838, 140721597429839, 140721597429968, 140237072395776, 6582494172257458326, 6582087354169432214}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#17 0x00007f8b85d53def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.