#0  __GI_raise (sig=<optimized out>) at ../sysdeps/unix/sysv/linux/raise.c:51
        set = {__val = {0 <repeats 16 times>}}
        pid = <optimized out>
        tid = <optimized out>
        ret = <optimized out>
#1  0x00007f66f07cc7f9 in KCrash::defaultCrashHandler(int) () from /usr/lib/x86_64-linux-gnu/libKF5Crash.so.5
No symbol table info available.
#2  <signal handler called>
No locals.
#3  0x00007f66ecc3f097 in mdb_midl_xmerge () from /usr/lib/x86_64-linux-gnu/liblmdb.so.0
No symbol table info available.
#4  0x00007f66ecc3670c in ?? () from /usr/lib/x86_64-linux-gnu/liblmdb.so.0
No symbol table info available.
#5  0x00007f66ecc36a79 in ?? () from /usr/lib/x86_64-linux-gnu/liblmdb.so.0
No symbol table info available.
#6  0x00007f66ecc3873f in ?? () from /usr/lib/x86_64-linux-gnu/liblmdb.so.0
No symbol table info available.
#7  0x00007f66ecc3b992 in mdb_cursor_put () from /usr/lib/x86_64-linux-gnu/liblmdb.so.0
No symbol table info available.
#8  0x00007f66ecc3dab4 in mdb_txn_commit () from /usr/lib/x86_64-linux-gnu/liblmdb.so.0
No symbol table info available.
#9  0x00007f66f035c991 in Baloo::Transaction::commit() () from /usr/lib/x86_64-linux-gnu/libKF5BalooEngine.so.5
No symbol table info available.
#10 0x00005555885e5aed in ?? ()
No symbol table info available.
#11 0x00007f66efa08302 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#12 0x00007f66efa0b1cd in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#13 0x00007f66edf8b6db in start_thread (arg=0x7f66e620c700) at pthread_create.c:463
        pd = 0x7f66e620c700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140079924299520, 5270073741522733756, 140079924297472, 0, 93825881266640, 140736340963104, -5192970997534061892, -5192989207930893636}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#14 0x00007f66eef6588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.