Comment 0 for bug 1591868

fwupd process has been consuming 100% of my CPU for several days now (IBM Thinkpad x250 running fully updated 16.04).

gdb backtrace below.

Thread 2 (Thread 0x7f3272cf5700 (LWP 4496)):
#0 0x00007f3279b79e8d in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1 0x00007f327ae9331c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2 0x00007f327ae9342c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3 0x00007f327ae93469 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4 0x00007f327aeb9b45 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5 0x00007f3279e4f6fa in start_thread (arg=0x7f3272cf5700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f3272cf5700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139854651283200, 418179942412000561, 0, 140731891236207,
                139854651283904, 0, -312637405101744847, -312613451844084431}, 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"
#6 0x00007f3279b85b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.

Thread 1 (Thread 0x7f327c926900 (LWP 4486)):
#0 0x00007f3279e542b7 in __GI___pthread_rwlock_rdlock (rwlock=0x7f3279e43920 <__libc_setlocale_lock>)
    at pthread_rwlock_rdlock.c:135
        result = 0
        wake = false
#1 0x00007f3279aaf0e9 in __dcigettext (domainname=0x7f327aedee63 "glib20",
    msgid1=0x7f327b4ca11a "Invalid compressed data", msgid2=0x0, plural=0, n=0, category=5) at dcigettext.c:527
        __p = <optimized out>
        domain = <optimized out>
        binding = <optimized out>
        categoryname = <optimized out>
        categoryvalue = <optimized out>
        dirname = <optimized out>
        xdomainname = <optimized out>
        single_locale = <optimized out>
        retval = <optimized out>
        retlen = 93892446493824
        saved_errno = 0
        search = {domainname = 0x7ffeb262bb00 "`\234\353\teU", category = 166588464,
          localename = 0x556509ededa8 "p\362\355\teU", counter = 166589040, domain = 0x23,
          translation = 0x5565fffffffb <error: Cannot access memory at address 0x5565fffffffb>,
          translation_length = 93892446493792, msgid = {appended = 0x7ffeb262bb08 "",
            ptr = 0x52fb0a5631f15a00 <error: Cannot access memory at address 0x52fb0a5631f15a00>}}
        foundp = 0x0
        localename = <optimized out>
        domainname_len = <optimized out>
#2 0x00007f327b44338c in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#3 0x00007f327b3e95f9 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4 0x00007f327b40d315 in g_input_stream_read () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#5 0x00007f327c1ae569 in ?? () from /usr/lib/x86_64-linux-gnu/libappstream-glib.so.8
No symbol table info available.
#6 0x00007f3278c51a15 in ?? () from /usr/lib/x86_64-linux-gnu/libyaml-0.so.2
No symbol table info available.
#7 0x00007f3278c51cde in yaml_parser_update_buffer () from /usr/lib/x86_64-linux-gnu/libyaml-0.so.2
No symbol table info available.
#8 0x00007f3278c56498 in yaml_parser_fetch_more_tokens () from /usr/lib/x86_64-linux-gnu/libyaml-0.so.2
No symbol table info available.
#9 0x00007f3278c5b32f in yaml_parser_parse () from /usr/lib/x86_64-linux-gnu/libyaml-0.so.2
No symbol table info available.
#10 0x00007f327c1ae39b in ?? () from /usr/lib/x86_64-linux-gnu/libappstream-glib.so.8
No symbol table info available.
#11 0x00007f327c1ae890 in as_yaml_from_file () from /usr/lib/x86_64-linux-gnu/libappstream-glib.so.8
No symbol table info available.
#12 0x00007f327c1a9231 in ?? () from /usr/lib/x86_64-linux-gnu/libappstream-glib.so.8
No symbol table info available.
#13 0x00007f327c1a9867 in ?? () from /usr/lib/x86_64-linux-gnu/libappstream-glib.so.8
No symbol table info available.
#14 0x00007f327c1a9ee1 in ?? () from /usr/lib/x86_64-linux-gnu/libappstream-glib.so.8
No symbol table info available.
#15 0x00007f327c1aa994 in as_store_load () from /usr/lib/x86_64-linux-gnu/libappstream-glib.so.8
No symbol table info available.
#16 0x00005565094a59c7 in main ()
No symbol table info available.