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QOwnNotes almost always crash when I close it (openSUSE Tumbleweed with fcitx) #1290

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iclementine opened this issue Sep 12, 2019 · 26 comments

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@iclementine
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commented Sep 12, 2019

QownNotes always crash when I close it. I have this problem on openSUSE Tumbleweed. (The smae is on 15.1.) The debug info is uploaded above, but I don't know why. May this will help.
Thank you!

QOwnNotes Debug Information

General Info

Current Date: 周四 9月 12 20:26:13 2019
Version: 19.9.8
Build date: Sep 11 2019
Build number: 578
Platform: linux
Operating System: openSUSE Tumbleweed
Build architecture: x86_64
Current architecture: x86_64
Release: OBS
Qt Version (build): 5.13.0
Qt Version (runtime): 5.13.0
Portable mode: no
Settings path / key: /home/clementine/.config/PBE/QOwnNotes.conf
Application database path: /home/clementine/.local/share/PBE/QOwnNotes/QOwnNotes.sqlite
Application arguments: /usr/bin/QOwnNotes
Qt Debug: 0
Locale (system): zh_CN
Locale (interface): empty
Icon theme: breeze
Notes in current note folder: 3
Calendar items: 0
Enabled scripts: 0

Server Info

serverUrl: empty
appIsValid: yes
notesPathExists: empty
serverVersion: empty
appVersion: empty

Note folders

currentNoteFolderId: 1

Note folder default

id: 1
isCurrent: yes
activeTagId: 0
localPath: /home/clementine/Nextcloud/Notes
remotePath: Notes
isShowSubfolders: no
isUseGit: no
activeNoteSubFolder name: empty
database file: /home/clementine/Nextcloud/Notes/notes.sqlite

Enabled scripts

Settings

ActiveNoteHistoryItem (NoteHistoryItem): <binary data>
Debug/fakeOldVersionNumber (QString): false
Debug/fileLogging (QString): false
Editor/CurrentSchemaKey (QString): EditorColorSchema-6033d61b-cb96-46d5-a3a8-20d5172017eb
Editor/autoBracketClosing (QString): true
Editor/autoBracketRemoval (QString): true
Editor/disableCursorBlinking (QString): false
Editor/editorWidthInDFMOnly (QString): true
Editor/highlightCurrentLine (QString): true
Editor/vimMode (QString): false
LastUpdateCheck (QDateTime): 2019-09-12T20:25:59.071
MainWindow/geometry (QByteArray): <binary data>
MainWindow/mainToolBar.iconSize (QString): 22
MainWindow/menuBarGeometry (QByteArray): <binary data>
MainWindow/noteTextEdit.code.font (QString): Hack,9,-1,5,50,0,0,0,0,0,Regular
MainWindow/noteTextEdit.font (QString): Noto Sans,10,-1,5,50,0,0,0,0,0,Regular
MainWindow/noteTextView.code.font (QString): Hack,9,-1,5,50,0,0,0,0,0,Regular
MainWindow/noteTextView.font (QString): Noto Sans,10,-1,5,50,0,0,0,0,0,Regular
MainWindow/noteTextView.ignoreCodeFontSize (QString): true
MainWindow/noteTextView.rtl (QString): false
MainWindow/noteTextView.underline (QString): true
MainWindow/showNotesFromAllNoteSubFolders (bool): true
NoteHistory-1 (QVariantList): <variant list with 3 item(s)>
NoteHistoryCurrentIndex-1 (QString): 2
PiwikClientId (QString): <hidden>
SearchEngineId (QString): 2
SettingsDialog/geometry (QByteArray): <binary data>
SettingsDialog/mainSplitterState (QByteArray): <binary data>
ShowSystemTray (QString): false
StartHidden (QString): false
WelcomeDialog/geometry (QByteArray): <binary data>
acceptAllExternalModifications (QString): false
allowDifferentNoteFileName (QString): false
allowNoteEditing (bool): true
allowOnlyOneAppInstance (QString): false
appMetrics/disableAppHeartbeat (QString): false
appMetrics/disableTracking (QString): false
appMetrics/notificationShown (QString): true
automaticNoteFolderDatabaseClosing (QString): false
closeTodoListAfterSave (QString): false
cryptoKey (QString): <hidden>
currentNoteFolderId (QString): 1
currentWorkspace (QString): initial
cursorWidth (QString): 1
customNoteFileExtensionList: empty
darkMode (QString): false
darkModeColors (QString): false
darkModeIconTheme (QString): false
darkModeTrayIcon (QString): false
defaultNoteFileExtension (QString): md
demoNotesCreated (QString): true
disableAutomaticUpdateDialog (QString): true
disableSavedSearchesAutoCompletion (QString): false
dockWasInitializedOnce (QString): true
enableSocketServer (QString): true
externalEditorPath (QString): empty
fullyHighlightedBlockquotes (QString): false
gitCommitInterval (QString): 30
gitExecutablePath (QString): empty
gitLogCommand (QString): empty
guiFirstRunInit (bool): true
ignoreAllExternalModifications (QString): false
ignoreAllExternalNoteFolderChanges (QString): false
ignoreNoteSubFolders (QString): ^\.
imageScaleDown (QString): false
imageScaleDownMaximumHeight (QString): 1024
imageScaleDownMaximumWidth (QString): 1024
initialLayoutIdentifier (QString): minimal
insertTimeFormat (QString): empty
interfaceFontSize (QString): 11
interfaceLanguage (QString): empty
internalIconTheme (QString): false
itemHeight (QString): 24
localTrash/autoCleanupDays (QString): 30
localTrash/autoCleanupEnabled (QString): true
localTrash/supportEnabled (QString): true
markdownHighlightingEnabled (QString): true
navigationPanelHideSearch (QString): false
networking/ignoreSSLErrors (QString): true
networking/proxyType (QString): 2
newNoteAskHeadline (QString): false
noteEditIsCentralWidget (QString): true
noteListPreview (QString): false
noteSaveIntervalTime (QString): 10
noteSubfoldersPanelDisplayAsFullTree (QString): true
noteSubfoldersPanelHideSearch (QString): false
noteSubfoldersPanelOrder (QString): 0
noteSubfoldersPanelShowFullPath (QString): false
noteSubfoldersPanelShowNotesRecursively (QString): false
noteSubfoldersPanelShowRootFolderName (QString): true
noteSubfoldersPanelSort (QString): 0
notesPanelOrder (QString): 0
notesPanelSort (QString): 1
notesPath (QString): /home/clementine/Nextcloud/Notes
notifyAllExternalModifications (QString): false
overrideInterfaceFontSize (QString): false
ownCloud/password (QString): <hidden>
ownCloud/serverUrl (QString): empty
ownCloud/supportEnabled (QString): false
ownCloud/todoCalendarBackend (QString): 3
ownCloud/todoCalendarCalDAVPassword (QString): <hidden>
ownCloud/todoCalendarCalDAVServerUrl (QString): empty
ownCloud/todoCalendarCalDAVUsername (QString): empty
ownCloud/todoCalendarDisplayNameList: empty
ownCloud/todoCalendarEnabledList: empty
ownCloud/todoCalendarEnabledUrlList: empty
ownCloud/todoCalendarUrlList: empty
ownCloud/userName (QString): empty
ownCloudInfo/appIsValid (bool): true
ownCloudInfo/connectionErrorMessage (QString): empty
ownCloudInfo/notesPathExistsText (QString): empty
ownCloudInfo/serverVersion (QString): empty
restoreCursorPosition (QString): true
showMenuBar (bool): true
showStatusBar (bool): true
systemIconTheme (QString): false
taggingShowNotesRecursively (QString): false
tagsPanelHideSearch (QString): false
tagsPanelOrder (QString): 0
tagsPanelSort (QString): 0
toolbar/1/items (QStringList): action_New_note, action_Find_note, action_Remove_note, action_Open_note_in_external_editor, actionShow_local_trash, actionAllow_note_editing, , action_Back_in_note_history, action_Forward_in_note_history, , action_Find_text_in_note, actionReplace_in_current_note, , actionShow_versions, actionShow_trash, actionShare_note, , actionOpen_List
toolbar/1/name (QString): mainToolBar
toolbar/1/title (QString): main toolbar
toolbar/2/items (QStringList): actionFormat_text_bold, actionFormat_text_italic, actionStrike_out_text, actionInsert_code_block, actionInsert_block_quote
toolbar/2/name (QString): formattingToolbar
toolbar/2/title (QString): formatting toolbar
toolbar/3/items (QStringList): actionInsert_Link_to_note, actionInsert_image, actionInsert_current_time
toolbar/3/name (QString): insertingToolbar
toolbar/3/title (QString): inserting toolbar
toolbar/4/items (QStringList): action_Encrypt_note, actionEdit_encrypted_note, actionDecrypt_note
toolbar/4/name (QString): encryptionToolbar
toolbar/4/title (QString): encryption toolbar
toolbar/5/items (QStringList): actionWorkspaceComboBox, actionStore_as_new_workspace, actionRemove_current_workspace, actionRename_current_workspace, actionSwitch_to_previous_workspace, actionUnlock_panels, , actionToggle_distraction_free_mode, action_Increase_note_text_size, action_Decrease_note_text_size, action_Reset_note_text_size
toolbar/5/name (QString): windowToolbar
toolbar/5/title (QString): window toolbar
toolbar/6/items (QString): action_Quit
toolbar/6/name (QString): quitToolbar
toolbar/6/title (QString): quit toolbar
toolbar/size (QString): 6
useUNIXNewline (QString): false
webSocketServerService/bookmarksNoteName (QString): Bookmarks
webSocketServerService/bookmarksTag (QString): bookmarks
webSocketServerService/port (QString): 22222
workspace-initial/name (QString): Minimal
workspace-initial/noteSubFolderDockWidgetVisible (QString): true
workspace-initial/windowState (QByteArray): <binary data>
workspaces (QString): initial

System environment

SHELL: /bin/bash
COLORTERM: 1
XDG_CONFIG_DIRS: /etc/xdg
LESS: -M -I -R
QT_SYSTEM_DIR: /usr/share/desktop-data
XDG_SESSION_PATH: /org/freedesktop/DisplayManager/Session2
GTK_IM_MODULE: fcitx
MACHTYPE: x86_64-suse-linux
GTK2_MODULES: unity-gtk-module
G_BROKEN_FILENAMES: 1
HOSTNAME: install
HISTSIZE: 1000
FROM_HEADER: empty
MINICOM: -c on
MAN_KEEP_FORMATTING: yes
AUDIODRIVER: pulseaudio
INPUT_METHOD: fcitx
CPU: x86_64
XMODIFIERS: @im=fcitx
DESKTOP_SESSION: /usr/share/xsessions/plasma5
GPG_TTY: 不是一个 tty
GTK_MODULES: canberra-gtk-module
XDG_SEAT: seat0
PWD: /home/clementine
QEMU_AUDIO_DRV: pa
XDG_SESSION_DESKTOP: KDE
LOGNAME: clementine
XDG_SESSION_TYPE: x11
MANPATH: /usr/local/man:/usr/share/man
XAUTHORITY: /home/clementine/.Xauthority
XKEYSYMDB: /usr/X11R6/lib/X11/XKeysymDB
XNLSPATH: /usr/share/X11/nls
HOME: /home/clementine
SSH_ASKPASS: /usr/lib/ssh/ssh-askpass
LANG: zh_CN.UTF-8
XDG_CURRENT_DESKTOP: KDE
OSTYPE: linux
XDG_SEAT_PATH: /org/freedesktop/DisplayManager/Seat0
QT_IM_SWITCHER: imsw-multi
LESS_ADVANCED_PREPROCESSOR: no
XSESSION_IS_UP: yes
KDE_SESSION_UID: 1000
LESSCLOSE: lessclose.sh %s %s
XDG_SESSION_CLASS: user
TERM: xterm
G_FILENAME_ENCODING: @locale,UTF-8,GB2312,GB18030,GBK,ISO-8859-1
HOST: install
XAUTHLOCALHOSTNAME: install
LESSOPEN: lessopen.sh %s
USER: clementine
SDL_AUDIODRIVER: pulse
KDE_SESSION_VERSION: 5
MORE: -sl
CSHEDIT: emacs
DISPLAY: :0
SHLVL: 1
WINDOWMANAGER: /usr/bin/startkde
PAGER: less
QT_IM_MODULE: fcitx
XDG_VTNR: 7
UBUNTU_MENUPROXY: 1
XDG_SESSION_ID: 2
GS_LIB: /home/clementine/.fonts
LC_CTYPE: zh_CN.UTF-8
XDG_RUNTIME_DIR: /run/user/1000
QT_AUTO_SCREEN_SCALE_FACTOR: 0
XCURSOR_THEME: breeze_cursors
GTK3_MODULES: unity-gtk-module
XDG_DATA_DIRS: /home/clementine/.local/share/flatpak/exports/share:/var/lib/flatpak/exports/share:/usr/local/share:/usr/share
KDE_FULL_SESSION: true
PATH: /home/clementine/bin:/usr/local/bin:/usr/bin:/bin
DBUS_SESSION_BUS_ADDRESS: unix:path=/run/user/1000/bus
PROFILEREAD: true
MAIL: /var/spool/mail/clementine
HOSTTYPE: x86_64
LESSKEY: /etc/lesskey.bin
_: /usr/lib64/libexec/kf5/start_kdeinit_wrapper
GTK_RC_FILES: /etc/gtk/gtkrc:/home/clementine/.gtkrc:/home/clementine/.config/gtkrc
GTK2_RC_FILES: /etc/gtk-2.0/gtkrc:/home/clementine/.gtkrc-2.0:/home/clementine/.config/gtkrc-2.0
SESSION_MANAGER: local/install:@/tmp/.ICE-unix/2144,unix/install:/tmp/.ICE-unix/2144

@pbek

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commented Sep 12, 2019

Have you installed the debug modules of QOwnNotes? A core dump would be nice.

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commented Sep 12, 2019

I cannot confirm this problem on my openSUSE Leap VM, no crashes there. @euneuber can you confirm crashes?

@euneuber

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commented Sep 12, 2019

No crashes in openSuse Leap 15.1 x64

@pbek

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commented Sep 12, 2019

Thank you!

@iclementine

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commented Sep 12, 2019

Have you installed the debug modules of QOwnNotes? A core dump would be nice.

I generate the core dump file. How am I supposed to use it?

@pbek

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commented Sep 12, 2019

I'm especially interested in just the stack trace of the calls that caused the crash.

@iclementine

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commented Sep 13, 2019

call stack.txt
Is this the right information? (I gdb QOwnNotes core_dump_file and typed bt full and saved the results.)

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commented Sep 13, 2019

Thank you, that was what I'm talking about. But I think can't see a segmentation fault in the file. Did QOwnNotes crash in that run? What happens if you run QOwnNotes directly from gdb?

@iclementine

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commented Sep 14, 2019

Thank you, that was what I'm talking about. But I think can't see a segmentation fault in the file. Did QOwnNotes crash in that run? What happens if you run QOwnNotes directly from gdb?

I updated qownnotes and tried again, and catched a segmentation fault now.
(I run gdb QOwnNotes, and close QOwnNotes by clicking the cross button of the window. I would get a Dr. Konqi alert that QOwnNotes quited unexpectedly. Sometimes, closing QOwnNotes with Gtrl Q does not invoke that alert.)
stack_trace2.txt

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commented Sep 14, 2019

Thank you, that part was the helpful one:

Warning: QFileSystemWatcher::removePaths: list is empty ((null):0, (null))

Thread 1 "QOwnNotes" received signal SIGSEGV, Segmentation fault.
0x00007ffff65a65f8 in QObject::property(char const*) const () from /usr/lib64/libQt5Core.so.5
(gdb) bt full
#0  0x00007ffff65a65f8 in QObject::property(char const*) const () from /usr/lib64/libQt5Core.so.5
No symbol table info available.
#1  0x000055555562de65 in MainWindow::instance() ()
No symbol table info available.
#2  0x00005555557a3265 in LogWidget::logMessageOutput(QtMsgType, QMessageLogContext const&, QString const&) ()
No symbol table info available.
#3  0x00007ffff63a4e61 in ?? () from /usr/lib64/libQt5Core.so.5
No symbol table info available.
#4  0x00007ffff63a4f79 in ?? () from /usr/lib64/libQt5Core.so.5
No symbol table info available.
#5  0x00007ffff637431c in QMessageLogger::warning(char const*, ...) const () from /usr/lib64/libQt5Core.so.5

Seems that a warning (which isn't the problem) is written to your log panel while the panel is already gone while quitting. I tried to prevent that as good as possible quite a while ago.

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commented Sep 14, 2019

Seems that a warning (which isn't the problem) is written to your log panel while the panel is already gone while quitting. I tried to prevent that as good as possible quite a while ago.

Thank you! I'am looking forward to it~

@pbek

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commented Sep 15, 2019

Warning: QFileSystemWatcher::removePaths: list is empty ((null):0, (null))

It's really strange. Not even such a warning is supposed to appear, because there is a check if the list is empty. I cannot even reproduce this warning.

QOwnNotes/src/mainwindow.cpp

Lines 3176 to 3181 in a0c61aa

// clear all paths from the directory watcher
QStringList fileList = noteDirectoryWatcher.directories() +
noteDirectoryWatcher.files();
if (fileList.count() > 0) {
noteDirectoryWatcher.removePaths(fileList);
}

Other Tumbleweed users seems to have had a similar issue with other apps: https://bugreports.qt.io/browse/QTBUG-68607

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commented Sep 15, 2019

As for LogWidget::logMessageOutput, logging to the log widget is disabled when the app is shut down... I don't see a way that it could have caused the seg fault.

pbek added a commit that referenced this issue Sep 15, 2019
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commented Sep 15, 2019

19.9.11

  • faulty QFileSystemWatcher::removePaths warnings are now ignored, they seem to have caused
    troubles on openSUSE Tumbleweed
@pbek pbek added this to the 19.9.11 milestone Sep 15, 2019
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commented Sep 15, 2019

There now is a new release, could you please test it and report if it works for you?

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commented Sep 15, 2019

There now is a new release, could you please test it and report if it works for you?

Thank you! I haved tested it, and it gave the same results. It should a problem of tumbleweed.

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commented Sep 15, 2019

You tested 19.9.11? What same result? Did QOwnNotes still crash when quitting with Ctrl + Q? Can you please send a stack trace again.

@iclementine

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commented Sep 15, 2019

You tested 19.9.11? What same result? Did QOwnNotes still crash when quitting with Ctrl + Q? Can you please send a stack trace again.

Yes, quitting with Ctrl Q cause a segmentation fault, too. And I thought of fcitx, maybe it was the reason. Then I uninstall fcitx and its qt5 plugin, the crash disppeared. I would send a stack trace after I reinstall fcitx and its qt5 plugin.

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commented Sep 15, 2019

I wonder how fcitx can crash QOwnNotes...

@iclementine

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commented Sep 15, 2019

no_fcitx.txt
with_fcitx.txt

Here is the stack trace. Fcitx interacts with Qt5 and qt-5 apps with a libfcitxplatforminputcontextplugin.so at /usr/lib64/qt5/plugins/platforminputcontexts/.

When I've installed fcitx and used a Chinese input method with QOwnNotes, like sunpinyin, google pinyin or rime, QOwnNotes would crash at quitting.

Tumbleweed preinstalls fcitx if the language setting is Chinese, because input method is a necesary tool for Chinese users. (And korean and Japanese users may also need an input method, too.)

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commented Sep 16, 2019

The warning Warning: QFileSystemWatcher::removePaths: list is empty ((null):0, (null)) is still in, so it seems fcitx is throwing it.

Do you have the log panel enabled in QOwnNots. If yes, does QOwnNotes also crash if turn it off?

@pbek pbek changed the title QOwnNotes almost always crash when I close it (openSUSE Tumbleweed) QOwnNotes almost always crash when I close it (openSUSE Tumbleweed with fcitx) Sep 16, 2019
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commented Sep 18, 2019

The warning Warning: QFileSystemWatcher::removePaths: list is empty ((null):0, (null)) is still in, so it seems fcitx is throwing it.

Do you have the log panel enabled in QOwnNots. If yes, does QOwnNotes also crash if turn it off?

(Been busy for several days..., sorry for a late reply) No, I do not enable log panel in QOwnNotes.

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commented Sep 18, 2019

Oh, then I have even less idea of how that crash happens. It really seems to me that fcitx is crashing and taking QOwnNotes with it.

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commented Sep 18, 2019

Oh, then I have even less idea of how that crash happens. It really seems to me that fcitx is crashing and taking QOwnNotes with it.

Also, fcitx is now archived and inactive in development. Fcitx5 is the new version to replace fcitx 4. May be things would be better with fcitx 5.

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commented Sep 27, 2019

I reported the bug to fcitx developers. It turned out to be a known bug.

https://bugreports.qt.io/browse/QTBUG-68607
https://gitlab.com/fcitx/fcitx-qt5/merge_requests/25

Now it is fixed.

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commented Sep 27, 2019

Awesome! Thank you very much!

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