.
Thread 4 (Thread 0xb5454b40 (LWP 1854)):
#0  0xb7757424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb7370380 in __GI___poll (fds=0xb4b00468, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = -516
        result = <optimized out>
#2  0xb54b7a42 in ?? () from /tmp/tmp0bbJhe/usr/lib/i386-linux-gnu/libavahi-common.so.3
No symbol table info available.
#3  0xb54b741c in avahi_simple_poll_run () from /tmp/tmp0bbJhe/usr/lib/i386-linux-gnu/libavahi-common.so.3
No symbol table info available.
#4  0xb54b7688 in avahi_simple_poll_iterate () from /tmp/tmp0bbJhe/usr/lib/i386-linux-gnu/libavahi-common.so.3
No symbol table info available.
#5  0xb54b7920 in avahi_simple_poll_loop () from /tmp/tmp0bbJhe/usr/lib/i386-linux-gnu/libavahi-common.so.3
No symbol table info available.
#6  0xb54b79d6 in ?? () from /tmp/tmp0bbJhe/usr/lib/i386-linux-gnu/libavahi-common.so.3
No symbol table info available.
#7  0xb7440d4c in start_thread (arg=0xb5454b40) at pthread_create.c:308
        __res = <optimized out>
        pd = 0xb5454b40
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1220206604, 0, 4001536, -1253751832, -795728717, -770827081}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#8  0xb737eace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
.
Thread 3 (Thread 0xb715db40 (LWP 1667)):
#0  0xb7757424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb7444d13 in pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_timedwait.S:236
No locals.
#2  0xb74dc280 in g_cond_wait_until (cond=cond@entry=0x841b1c0, mutex=mutex@entry=0x841b1b8, end_time=45239981) at /build/buildd/glib2.0-2.33.3/./glib/gthread-posix.c:855
        ts = {tv_sec = 45, tv_nsec = 239981000}
        status = <optimized out>
#3  0xb746f2c9 in g_async_queue_pop_intern_unlocked (queue=queue@entry=0x841b1b8, wait=wait@entry=1, end_time=45239981) at /build/buildd/glib2.0-2.33.3/./glib/gasyncqueue.c:424
        retval = <optimized out>
        __PRETTY_FUNCTION__ = "g_async_queue_pop_intern_unlocked"
#4  0xb746fb0e in g_async_queue_timeout_pop (queue=0x841b1b8, timeout=15000000) at /build/buildd/glib2.0-2.33.3/./glib/gasyncqueue.c:545
        end_time = <optimized out>
        retval = <optimized out>
#5  0xb74c0e4f in g_thread_pool_wait_for_new_pool () at /build/buildd/glib2.0-2.33.3/./glib/gthreadpool.c:169
        pool = <optimized out>
        local_max_idle_time = 15000
        local_wakeup_thread_serial = <optimized out>
        local_max_unused_threads = 2
        last_wakeup_thread_serial = 0
        have_relayed_thread_marker = 0
#6  g_thread_pool_thread_proxy (data=0x84164a8) at /build/buildd/glib2.0-2.33.3/./glib/gthreadpool.c:366
        free_pool = <optimized out>
        task = 0x3a98
        pool = <optimized out>
#7  0xb74c04c3 in g_thread_proxy (data=0x841c030) at /build/buildd/glib2.0-2.33.3/./glib/gthread.c:801
        thread = 0x841c030
#8  0xb7440d4c in start_thread (arg=0xb715db40) at pthread_create.c:308
        __res = <optimized out>
        pd = 0xb715db40
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1220206604, 0, 4001536, -1223306264, 1907500215, -770827081}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0xb737eace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
.
Thread 2 (Thread 0xb67ffb40 (LWP 1668)):
#0  0xb7757424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb7370380 in __GI___poll (fds=fds@entry=0xb5e022b0, nfds=nfds@entry=3, timeout=timeout@entry=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = -516
        result = <optimized out>
#2  0xb74aa5db in g_poll (fds=0xb5e022b0, nfds=3, timeout=-1) at /build/buildd/glib2.0-2.33.3/./glib/gpoll.c:132
No locals.
#3  0xb749be30 in g_main_context_poll (n_fds=3, fds=0xb5e022b0, timeout=<optimized out>, context=0xb6808728, priority=<optimized out>) at /build/buildd/glib2.0-2.33.3/./glib/gmain.c:3440
        poll_func = <optimized out>
#4  g_main_context_iterate (context=0xb6808728, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd/glib2.0-2.33.3/./glib/gmain.c:3141
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 3
        allocated_nfds = <optimized out>
        fds = 0xb5e022b0
#5  0xb749c30b in g_main_loop_run (loop=0xb6808708) at /build/buildd/glib2.0-2.33.3/./glib/gmain.c:3340
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#6  0xb767a2fa in gdbus_shared_thread_func (user_data=0xb6809900) at /build/buildd/glib2.0-2.33.3/./gio/gdbusprivate.c:277
        data = 0xb6809900
#7  0xb74c04c3 in g_thread_proxy (data=0xb68025b0) at /build/buildd/glib2.0-2.33.3/./glib/gthread.c:801
        thread = 0xb68025b0
#8  0xb7440d4c in start_thread (arg=0xb67ffb40) at pthread_create.c:308
        __res = <optimized out>
        pd = 0xb67ffb40
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1220206604, 0, 4001536, -1233128472, -1510857547, -770827081}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0xb737eace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
.
Thread 1 (Thread 0xb715e740 (LWP 1666)):
#0  __opendirat (dfd=-100, name=0x0) at ../sysdeps/unix/opendir.c:87
        flags = <optimized out>
        fd = <optimized out>
#1  0xb73431cd in __opendir (name=0x0) at ../sysdeps/unix/opendir.c:156
No locals.
#2  0xb54c9dee in usbfs_get_device_list (_discdevs=0xbfe0a7ac, ctx=0x8457e00) at ../../libusb/os/linux_usbfs.c:1088
        entry = <optimized out>
        buses = <optimized out>
        discdevs = <optimized out>
        r = <optimized out>
#3  op_get_device_list (ctx=0x8457e00, _discdevs=0xbfe0a7ac) at ../../libusb/os/linux_usbfs.c:1280
No locals.
#4  0xb54c1988 in libusb_get_device_list (ctx=0x8457e00, list=0xbfe0a84c) at ../../libusb/core.c:604
        discdevs = 0x84512f8
        ret = <optimized out>
        r = 0
        i = <optimized out>
        len = <optimized out>
        __FUNCTION__ = "libusb_get_device_list"
#5  0xb4955fa8 in ?? () from /tmp/tmp0bbJhe/usr/lib/libhpmud.so.0
No symbol table info available.
#6  0xb4949394 in hpmud_probe_devices () from /tmp/tmp0bbJhe/usr/lib/libhpmud.so.0
No symbol table info available.
#7  0xb4c2f4fb in ?? () from /tmp/tmp0bbJhe/usr/lib/sane/libsane-hpaio.so.1
No symbol table info available.
#8  0xb4c2fb49 in sane_hpaio_get_devices () from /tmp/tmp0bbJhe/usr/lib/sane/libsane-hpaio.so.1
No symbol table info available.
#9  0xb770bf5e in sane_dll_get_devices (device_list=device_list@entry=0xbfe0effc, local_only=local_only@entry=1) at dll.c:1056
        be_list = 0xb54e01d8
        be = 0x841fe80
        status = <optimized out>
        full_name = <optimized out>
        i = <optimized out>
        num_devs = <optimized out>
        len = <optimized out>
#10 0xb77095f3 in sane_get_devices (dl=dl@entry=0xbfe0effc, local=local@entry=1) at dll-s.c:17
No locals.
#11 0x08049dc9 in cd_sane_client_refresh (priv=priv@entry=0x84116f0) at cd-main.c:303
        tmp = <optimized out>
        device_list = 0x0
        i = <optimized out>
        status = <optimized out>
#12 0x0804a1c5 in cd_main_colord_connect_cb (source_object=0x8418a20, res=0x841b938, user_data=user_data@entry=0x84116f0) at cd-main.c:446
        priv = 0x84116f0
        ret = <optimized out>
        error = 0x0
#13 0xb760e0a0 in g_simple_async_result_complete (simple=0x841b938) at /build/buildd/glib2.0-2.33.3/./gio/gsimpleasyncresult.c:767
        current_source = <optimized out>
        current_context = <optimized out>
        __PRETTY_FUNCTION__ = "g_simple_async_result_complete"
#14 0xb760e1cc in complete_in_idle_cb (data=data@entry=0x841b938) at /build/buildd/glib2.0-2.33.3/./gio/gsimpleasyncresult.c:779
        simple = <optimized out>
#15 0xb74995f0 in g_idle_dispatch (source=source@entry=0x841ff00, callback=0xb760e1a0 <complete_in_idle_cb>, user_data=0x841b938) at /build/buildd/glib2.0-2.33.3/./glib/gmain.c:4657
No locals.
#16 0xb749bb13 in g_main_dispatch (context=0x8411738) at /build/buildd/glib2.0-2.33.3/./glib/gmain.c:2539
        dispatch = 0xb74995d0 <g_idle_dispatch>
        was_in_call = 0
        user_data = 0x841b938
        callback = 0xb760e1a0 <complete_in_idle_cb>
        cb_funcs = 0xb754e4d8
        cb_data = 0x841f5e0
        current_source_link = {data = 0x841ff00, next = 0x0}
        need_destroy = <optimized out>
        source = 0x841ff00
        current = 0x84108a0
        i = <optimized out>
#17 g_main_context_dispatch (context=context@entry=0x8411738) at /build/buildd/glib2.0-2.33.3/./glib/gmain.c:3075
No locals.
#18 0xb749beb0 in g_main_context_iterate (context=0x8411738, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd/glib2.0-2.33.3/./glib/gmain.c:3146
        max_priority = 0
        timeout = 0
        some_ready = 1
        nfds = 2
        allocated_nfds = <optimized out>
        fds = <optimized out>
#19 0xb749c30b in g_main_loop_run (loop=0x84116d0) at /build/buildd/glib2.0-2.33.3/./glib/gmain.c:3340
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#20 0x080497d4 in main (argc=1, argv=0xbfe0f304) at cd-main.c:617
        priv = 0x84116f0
        immediate_exit = 0
        timed_exit = 0
        error = 0x0
        context = <optimized out>
        retval = 1
        options = {{long_name = 0x804a609 "timed-exit", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0xbfe0f1f0, description = 0x804a614 "Exit after a small delay", arg_description = 0x0}, {long_name = 0x804a62d "immediate-exit", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0xbfe0f1ec, description = 0x804a6e4 "Exit after the engine has loaded", 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}}