SUMMARY I was looking through journalctl and noticed that baloo_file crashes every time my computer boots up. However, I have not noticed any adverse affects on KDE. ALT+F2 still shows krunner, and files are searchable (I'm not actually sure if that's relevant). STEPS TO REPRODUCE 1. Restart computer 2. Open terminal and execute 'journalctl -r' 3. Core dump report from systemd-coredump OBSERVED RESULT I have not noticed any adverse effects on my KDE experience. But baloo_file does crash on every system boot. When I run baloo_file from the terminal, this is the output: isaiah@arch-tower ~ % baloo_file [1] 15908 segmentation fault (core dumped) baloo_file EXPECTED RESULT baloo_file probably shouldn't crash on every boot up. SOFTWARE/OS VERSIONS Linux/KDE Plasma: Arch Linux 5.10.11-arch1-1 (available in About System) KDE Plasma Version: plasma-meta (Arch package) 5.20-1 KDE Frameworks Version: baloo 5.78.0-1 Qt Version: qt5-base (Arch package) 5.15.2-3 ADDITIONAL INFORMATION This is the core dump report from 'journalctl -r' -- Journal begins at Sun 2020-08-09 12:26:34 EDT, ends at Wed 2021-02-03 13:06:14 EST. -- Feb 03 11:04:35 arch-tower audit[1062]: ANOM_ABEND auid=1000 uid=1000 gid=985 ses=2 pid=1062 comm=5468726561642028706F6F6C656429 exe="/usr/bin/baloo_file" sig=11 res=1 Feb 03 11:04:35 arch-tower kernel: audit: type=1701 audit(1612368275.023:150): auid=1000 uid=1000 gid=985 ses=2 pid=1062 comm=5468726561642028706F6F6C656429 exe="/usr/bin/baloo_file" sig=11 res=1 Feb 03 11:04:35 arch-tower audit: BPF prog-id=28 op=LOAD Feb 03 11:04:35 arch-tower audit: BPF prog-id=29 op=LOAD Feb 03 11:04:35 arch-tower kernel: audit: type=1334 audit(1612368275.163:151): prog-id=28 op=LOAD Feb 03 11:04:35 arch-tower kernel: audit: type=1334 audit(1612368275.163:152): prog-id=29 op=LOAD Feb 03 11:04:35 arch-tower systemd[1]: Started Process Core Dump (PID 1762/UID 0). Feb 03 11:04:35 arch-tower audit[1]: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-coredump@1-1762-0 comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success' Feb 03 11:04:35 arch-tower kernel: audit: type=1130 audit(1612368275.167:153): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-coredump@1-1762-0 comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success' Feb 03 11:04:35 arch-tower systemd-coredump[1763]: Process 1062 (baloo_file) of user 1000 dumped core. Stack trace of thread 1761: #0 0x00007f7dfb49bef9 n/a (liblmdb.so + 0x6ef9) #1 0x00007f7dfb49c644 n/a (liblmdb.so + 0x7644) #2 0x00007f7dfb49cc50 mdb_get (liblmdb.so + 0x7c50) #3 0x00007f7dfc96b66a _ZN5Baloo10DocumentDB3getEy (libKF5BalooEngine.so.5 + 0xd66a) #4 0x00007f7dfc9845cc _ZN5Baloo16WriteTransaction14removeDocumentEy (libKF5BalooEngine.so.5 + 0x265cc) #5 0x00007f7dfc98568a _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x2768a) #6 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #7 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #8 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #9 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #10 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #11 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #12 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #13 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #14 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #15 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #16 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #17 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #18 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #19 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #20 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #21 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #22 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #23 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #24 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #25 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #26 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #27 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #28 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #29 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #30 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #31 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #32 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #33 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #34 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #35 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #36 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #37 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #38 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #39 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #40 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #41 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #42 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #43 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #44 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #45 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #46 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #47 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #48 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #49 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #50 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #51 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #52 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #53 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #54 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #55 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #56 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #57 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #58 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #59 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #60 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #61 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #62 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) #63 0x00007f7dfc985607 _ZN5Baloo16WriteTransaction17removeRecursivelyEyRKSt8functionIFbyEE (libKF5BalooEngine.so.5 + 0x27607) Stack trace of thread 1062: #0 0x00007f7dfc01046f __poll (libc.so.6 + 0xf546f) #1 0x00007f7dfaca293f n/a (libglib-2.0.so.0 + 0xa693f) #2 0x00007f7dfac4d2b1 g_main_context_iteration (libglib-2.0.so.0 + 0x512b1) #3 0x00007f7dfc7156e1 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x30e6e1) #4 0x00007f7dfc6bb3fc _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2b43fc) #5 0x00007f7dfc6c3894 _ZN16QCoreApplication4execEv (libQt5Core.so.5 + 0x2bc894) #6 0x000055793c71a2b4 n/a (baloo_file + 0xd2b4) #7 0x00007f7dfbf43152 __libc_start_main (libc.so.6 + 0x28152) #8 0x000055793c71a4be n/a (baloo_file + 0xd4be) Stack trace of thread 1074: #0 0x00007f7dfc01046f __poll (libc.so.6 + 0xf546f) #1 0x00007f7dfaca293f n/a (libglib-2.0.so.0 + 0xa693f) #2 0x00007f7dfac4d2b1 g_main_context_iteration (libglib-2.0.so.0 + 0x512b1) #3 0x00007f7dfc7156e1 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x30e6e1) #4 0x00007f7dfc6bb3fc _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2b43fc) #5 0x00007f7dfc4d3d22 _ZN7QThread4execEv (libQt5Core.so.5 + 0xccd22) #6 0x00007f7dfc9a9098 n/a (libQt5DBus.so.5 + 0x17098) #7 0x00007f7dfc4d4f0f n/a (libQt5Core.so.5 + 0xcdf0f) #8 0x00007f7dfb50b3e9 start_thread (libpthread.so.0 + 0x93e9) #9 0x00007f7dfc01b293 __clone (libc.so.6 + 0x100293) Stack trace of thread 1100: #0 0x00007f7dfc012c96 pselect (libc.so.6 + 0xf7c96) #1 0x00007f7dfa6e4524 n/a (libusbmuxd-2.0.so.6 + 0x2524) #2 0x00007f7dfa6e58a9 n/a (libusbmuxd-2.0.so.6 + 0x38a9) #3 0x00007f7dfb50b3e9 start_thread (libpthread.so.0 + 0x93e9) #4 0x00007f7dfc01b293 __clone (libc.so.6 + 0x100293) Feb 03 11:04:35 arch-tower systemd[1]: systemd-coredump@1-1762-0.service: Succeeded. Feb 03 11:04:35 arch-tower audit[1]: SERVICE_STOP pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-coredump@1-1762-0 comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success' Feb 03 11:04:35 arch-tower kernel: audit: type=1131 audit(1612368275.700:154): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-coredump@1-1762-0 comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success' Feb 03 11:04:35 arch-tower audit: BPF prog-id=29 op=UNLOAD Feb 03 11:04:35 arch-tower audit: BPF prog-id=28 op=UNLOAD Feb 03 11:04:35 arch-tower kernel: audit: type=1334 audit(1612368275.967:155): prog-id=29 op=UNLOAD
This indeed happens for me too -- Operating System: Arch Linux KDE Plasma Version: 5.20.5 KDE Frameworks Version: 5.79.0 Qt Version: 5.15.2 Kernel Version: 5.10.16-1-lts OS Type: 64-bit
I asked this on archlinux irc channels and someone replied me: "known issue, it's fixed in 5.78 but you need to regenerate the index balooctl purge" And it got fixed for me.
Looks like that fixed it for me too! Just did a reboot and looked through the logs. No crash this time. All I did was: > balooctl purge
It's happening again. It got fixed with `balooctl purge` again.