Comment 11 for bug 1591868

Following Mario's steps, I was blocked in the fourth step. The program hanged out and it doesn't work to press ctrl + c:

  PID UTIL. PR NI VIRT RES SHR S %CPU %MEM TEMPS+ COM.
17208 root 20 0 236256 10632 9352 R 99,3 0,1 2:51.77 fwupd
17756 root 20 0 236256 10732 9456 R 99,0 0,1 1:35.75 fwupd
17740 root 20 0 236256 10816 9536 R 92,0 0,1 2:01.69 fwupd

root@erkang-XPS-13-9343:~# gdb 2>&1 | tee gdb-fwupd.txt
GNU gdb (Ubuntu 7.11.1-0ubuntu1~16.04) 7.11.1
Copyright (C) 2016 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
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(gdb) handle SIG33 pass nostop noprint
Signal Stop Print Pass to program Description
SIG33 No No Yes Real-time event 33
(gdb) set pagination 0
(gdb) attach 17208
Attaching to process 17208
[New LWP 17219]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
__stpcpy_sse2 () at ../sysdeps/x86_64/multiarch/../strcpy.S:29
29 ../sysdeps/x86_64/multiarch/../strcpy.S: Aucun fichier ou dossier de ce type.
(gdb) continue
Continuing.
^C

^C

^C

^C

Following Richard's indication, the command simply blocked.. I didn't get any output:

root@erkang-XPS-13-9343:~# appstream-util search notgoingtoexist --verbose