Collabora backspace on existing text lagging in apps

[rolobob]

@darshan

1. Update Collabora CODE

Pull the latest image and restart the container:

I tend to pull when I have issues, but did again, no change in behavior.

@darshan

2. Mobile App Compatibility

• Verify if the issue persists across different devices or versions of the Nextcloud mobile app.
• You might want to try using the web version of Nextcloud on your mobile browser as a temporary solution.

I don’t have access to another phone right now, but emulated with waydroid the behavior is the same.
Yes I am currently using the browser. It just feels cramped compared to the app.

@darshan

3. Caddy Configuration and SSL Handling

• Your logs include some SSL-related errors (unexpected eof while reading). This might indicate issues with SSL termination or misconfiguration in your reverse proxy. Make sure your SSL settings in Caddy are configured correctly, and try using a fully-secure SSL setup (i.e., without ssl.termination=true in Collabora) to see if that changes the behavior.
• If ssl.termination is set to true, ensure that Caddy is properly terminating SSL and passing through connections securely.

Removing --o:ssl.termination=true caused the files to not open on desktop. Strangely, it continued to work on the app, but with the same issues. I did not see any errors in the wall of text.

@darshan

4. Seccomp and Capabilities

• You mentioned adding SYS_ADMIN to the container. While this can sometimes help with permissions issues, it’s generally not ideal for security reasons. Consider setting COLLABORA_SECCOMP_DISABLED=true as an environment variable or adjusting other security parameters if you continue to face issues.
• Test if removing SYS_ADMIN and ensuring CAP_CHOWN is enabled might fix the problem, as some errors in your logs (missing cap_chown?) hint at permission-related issues.

Haha I wasn’t planning on tackling the sys_admin issue, but thanks for sorting that. Anyway with the compose updated to this:

  collabora:
    image: collabora/code
    container_name: collaborac
    restart: unless-stopped
    ports:
      - 9980:9980
    environment: #--o:security.capabilities=false did not help with phone backspace either, --o:ssl.termination=true
      - username=admin
      - password=Secret.Password
      - extra_params=--o:ssl.enable=false --o:ssl.termination=true --o:logging.level=debug
      - COLLABORA_SECCOMP_DISABLED=true
      #- dictionaries=en
    cap_add: #- SYS_ADMIN sometimes needed due to permission issue, - CHOWN no difference?
      - MKNOD
      - CAP_CHOWN
    #tty: true
    depends_on:
      - nextcloud

These are now the logs when I try to backspace on the app (A great big wall of text! I see an error about enterMountingNS, unshare failed and creating usernamespace for mount user failed:

subject=C = DE, ST = BW, L = Stuttgart, O = Dummy Authority, CN = localhost

wsd-00001-00001 2024-10-16 14:13:29.685054 +0000 [ coolwsd ] INF Initializing wsd. Local time: Wed 2024-10-16 14:13:29 +0000. Log level is [8]| common/Log.cpp:654

wsd-00001-00001 2024-10-16 14:13:29.685075 +0000 [ coolwsd ] INF Setting log-level to [trace] and delaying setting to [debug] until after WSD initialization.| wsd/COOLWSD.cpp:2341

wsd-00001-00001 2024-10-16 14:13:29.685082 +0000 [ coolwsd ] INF Initializing coolwsd server []. Experimental features are enabled.| wsd/COOLWSD.cpp:2352

wsd-00001-00001 2024-10-16 14:13:29.685131 +0000 [ coolwsd ] INF Anonymization of user-data is configurable.| wsd/COOLWSD.cpp:2425

wsd-00001-00001 2024-10-16 14:13:29.685149 +0000 [ coolwsd ] INF Anonymization of user-data is disabled.| wsd/COOLWSD.cpp:2472

wsd-00001-00001 2024-10-16 14:13:29.685166 +0000 [ coolwsd ] INF SSL support: SSL is disabled.| wsd/COOLWSD.cpp:2522

wsd-00001-00001 2024-10-16 14:13:29.685168 +0000 [ coolwsd ] INF SSL support: termination is enabled.| wsd/COOLWSD.cpp:2523

wsd-00001-00001 2024-10-16 14:13:29.685174 +0000 [ coolwsd ] DBG Setting envar PDFIMPORT_RESOLUTION_DPI=96 per config per_document.pdf_resolution_dpi| wsd/COOLWSD.cpp:2548

wsd-00001-00001 2024-10-16 14:13:29.685183 +0000 [ coolwsd ] INF Creating childroot: /opt/cool/child-roots/1-a7cc46b1/| wsd/COOLWSD.cpp:2589

wsd-00001-00001 2024-10-16 14:13:29.685687 +0000 [ coolwsd ] DBG Move into user namespace as uid 0| wsd/COOLWSD.cpp:1969

wsd-00001-00001 2024-10-16 14:13:29.685795 +0000 [ coolwsd ] ERR enterMountingNS, unshare failed: Operation not permitted| common/JailUtil.cpp:69

wsd-00001-00001 2024-10-16 14:13:29.685814 +0000 [ coolwsd ] ERR creating usernamespace for mount user failed.| wsd/COOLWSD.cpp:1973

wsd-00001-00001 2024-10-16 14:13:29.685817 +0000 [ coolwsd ] INF Cleaning up childroot directory [/opt/cool/child-roots/].| common/JailUtil.cpp:335

wsd-00001-00001 2024-10-16 14:13:29.685831 +0000 [ coolwsd ] TRC Directory [/opt/cool/child-roots/] is not a jail directory or doesn't exist.| common/JailUtil.cpp:340

wsd-00001-00001 2024-10-16 14:13:29.685833 +0000 [ coolwsd ] INF Cleaning up childroot directory [/opt/cool/child-roots/1-a7cc46b1/].| common/JailUtil.cpp:335

wsd-00001-00001 2024-10-16 14:13:29.685834 +0000 [ coolwsd ] TRC Directory [/opt/cool/child-roots/1-a7cc46b1/] is not a jail directory or doesn't exist.| common/JailUtil.cpp:340

wsd-00001-00001 2024-10-16 14:13:29.685836 +0000 [ coolwsd ] INF Creating jail path (if missing): /opt/cool/child-roots/1-a7cc46b1//tmp/incoming| common/JailUtil.cpp:418

wsd-00001-00001 2024-10-16 14:13:29.685996 +0000 [ coolwsd ] DBG Mounting [/opt/cool/systemplate] -> [/opt/cool/child-roots/1-a7cc46b1/cool_test_mount]| common/JailUtil.cpp:148

wsd-00001-00001 2024-10-16 14:13:29.686022 +0000 [ coolwsd ] TRC Executing coolmount command: /usr/bin/coolmount -b /opt/cool/systemplate /opt/cool/child-roots/1-a7cc46b1/cool_test_mount| common/JailUtil.cpp:142

sh: 1: /usr/bin/coolmount: Operation not permitted

wsd-00001-00001 2024-10-16 14:13:29.686599 +0000 [ coolwsd ] ERR Failed to bind-mount [/opt/cool/systemplate] -> [/opt/cool/child-roots/1-a7cc46b1/cool_test_mount]| common/JailUtil.cpp:156

wsd-00001-00001 2024-10-16 14:13:29.686606 +0000 [ coolwsd ] ERR Bind-Mounting fails and will be disabled for this run. To disable permanently set mount_jail_tree config entry in coolwsd.xml to false.| common/JailUtil.cpp:451

wsd-00001-00001 2024-10-16 14:13:29.685183 +0000 [ coolwsd ] INF Creating childroot: /opt/cool/child-roots/1-a7cc46b1/| wsd/COOLWSD.cpp:2589

wsd-00001-00001 2024-10-16 14:13:29.686721 +0000 [ coolwsd ] DBG setupChildRoot status: 0| wsd/COOLWSD.cpp:2011

wsd-00001-00001 2024-10-16 14:13:29.686733 +0000 [ coolwsd ] INF Using Bind Mounting: false| wsd/COOLWSD.cpp:2013

wsd-00001-00001 2024-10-16 14:13:29.686736 +0000 [ coolwsd ] INF Using Mount Namespaces: false| wsd/COOLWSD.cpp:2015

wsd-00001-00001 2024-10-16 14:13:29.686737 +0000 [ coolwsd ] DBG FileServerRoot before config: | wsd/COOLWSD.cpp:2654

wsd-00001-00001 2024-10-16 14:13:29.686747 +0000 [ coolwsd ] DBG FileServerRoot after config: /usr/share/coolwsd| wsd/COOLWSD.cpp:2656

wsd-00001-00001 2024-10-16 14:13:29.686751 +0000 [ coolwsd ] INF Quarantine is disabled in config| wsd/COOLWSD.cpp:2700

wsd-00001-00001 2024-10-16 14:13:29.686754 +0000 [ coolwsd ] INF NumPreSpawnedChildren set to 4.| wsd/COOLWSD.cpp:2709

wsd-00001-00001 2024-10-16 14:13:29.686760 +0000 [ coolwsd ] INF Registering filesystem for space checks: [/opt/cool/child-roots/1-a7cc46b1/.]| common/FileUtil.cpp:474

wsd-00001-00001 2024-10-16 14:13:29.686792 +0000 [ coolwsd ] INF MAX_CONCURRENCY set to 4.| wsd/COOLWSD.cpp:2733

wsd-00001-00001 2024-10-16 14:13:29.686797 +0000 [ coolwsd ] INF DISABLE_REDLINE set| wsd/COOLWSD.cpp:2754

wsd-00001-00001 2024-10-16 14:13:29.686835 +0000 [ coolwsd ] INF Maximum file descriptor supported by the system: 1073741815| wsd/COOLWSD.cpp:2881

wsd-00001-00001 2024-10-16 14:13:29.686838 +0000 [ coolwsd ] INF Maximum number of open documents supported by the system: 268435446| wsd/COOLWSD.cpp:2884

wsd-00001-00001 2024-10-16 14:13:29.686840 +0000 [ coolwsd ] INF Maximum concurrent open Documents limit: 1000000| wsd/COOLWSD.cpp:2887

wsd-00001-00001 2024-10-16 14:13:29.686841 +0000 [ coolwsd ] INF Maximum concurrent client Connections limit: 1000000| wsd/COOLWSD.cpp:2888

wsd-00001-00001 2024-10-16 14:13:29.686846 +0000 [ coolwsd ] INF Adding trusted LOK_ALLOW host: [192\.168\.[0-9]{1,3}\.[0-9]{1,3}]| wsd/COOLWSD.cpp:261

wsd-00001-00001 2024-10-16 14:13:29.686850 +0000 [ coolwsd ] INF Adding trusted LOK_ALLOW host: [::ffff:192\.168\.[0-9]{1,3}\.[0-9]{1,3}]| wsd/COOLWSD.cpp:261

wsd-00001-00001 2024-10-16 14:13:29.686853 +0000 [ coolwsd ] INF Adding trusted LOK_ALLOW host: [127\.0\.0\.1]| wsd/COOLWSD.cpp:261

wsd-00001-00001 2024-10-16 14:13:29.686855 +0000 [ coolwsd ] INF Adding trusted LOK_ALLOW host: [::ffff:127\.0\.0\.1]| wsd/COOLWSD.cpp:261

wsd-00001-00001 2024-10-16 14:13:29.686858 +0000 [ coolwsd ] INF Adding trusted LOK_ALLOW host: [::1]| wsd/COOLWSD.cpp:261

wsd-00001-00001 2024-10-16 14:13:29.686860 +0000 [ coolwsd ] INF Adding trusted LOK_ALLOW host: [172\.1[6789]\.[0-9]{1,3}\.[0-9]{1,3}]| wsd/COOLWSD.cpp:261

wsd-00001-00001 2024-10-16 14:13:29.686863 +0000 [ coolwsd ] INF Adding trusted LOK_ALLOW host: [::ffff:172\.1[6789]\.[0-9]{1,3}\.[0-9]{1,3}]| wsd/COOLWSD.cpp:261

wsd-00001-00001 2024-10-16 14:13:29.686865 +0000 [ coolwsd ] INF Adding trusted LOK_ALLOW host: [172\.2[0-9]\.[0-9]{1,3}\.[0-9]{1,3}]| wsd/COOLWSD.cpp:261

wsd-00001-00001 2024-10-16 14:13:29.686868 +0000 [ coolwsd ] INF Adding trusted LOK_ALLOW host: [::ffff:172\.2[0-9]\.[0-9]{1,3}\.[0-9]{1,3}]| wsd/COOLWSD.cpp:261

wsd-00001-00001 2024-10-16 14:13:29.686870 +0000 [ coolwsd ] INF Adding trusted LOK_ALLOW host: [172\.3[01]\.[0-9]{1,3}\.[0-9]{1,3}]| wsd/COOLWSD.cpp:261

wsd-00001-00001 2024-10-16 14:13:29.686873 +0000 [ coolwsd ] INF Adding trusted LOK_ALLOW host: [::ffff:172\.3[01]\.[0-9]{1,3}\.[0-9]{1,3}]| wsd/COOLWSD.cpp:261

wsd-00001-00001 2024-10-16 14:13:29.686876 +0000 [ coolwsd ] INF Adding trusted LOK_ALLOW host: [10\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}]| wsd/COOLWSD.cpp:261

wsd-00001-00001 2024-10-16 14:13:29.686879 +0000 [ coolwsd ] INF Adding trusted LOK_ALLOW host: [::ffff:10\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}]| wsd/COOLWSD.cpp:261

wsd-00001-00001 2024-10-16 14:13:29.686881 +0000 [ coolwsd ] INF Adding trusted LOK_ALLOW host: [localhost]| wsd/COOLWSD.cpp:261

wsd-00001-00001 2024-10-16 14:13:29.686887 +0000 [ coolwsd ] INF Adding trusted LOK_ALLOW host: [192\.168\.[0-9]{1,3}\.[0-9]{1,3}]| wsd/COOLWSD.cpp:261

wsd-00001-00001 2024-10-16 14:13:29.686890 +0000 [ coolwsd ] INF Adding trusted LOK_ALLOW host: [::ffff:192\.168\.[0-9]{1,3}\.[0-9]{1,3}]| wsd/COOLWSD.cpp:261

wsd-00001-00001 2024-10-16 14:13:29.686892 +0000 [ coolwsd ] INF Adding trusted LOK_ALLOW host: [127\.0\.0\.1]| wsd/COOLWSD.cpp:261

wsd-00001-00001 2024-10-16 14:13:29.686894 +0000 [ coolwsd ] INF Adding trusted LOK_ALLOW host: [::ffff:127\.0\.0\.1]| wsd/COOLWSD.cpp:261

wsd-00001-00001 2024-10-16 14:13:29.686897 +0000 [ coolwsd ] INF Adding trusted LOK_ALLOW host: [::1]| wsd/COOLWSD.cpp:261

wsd-00001-00001 2024-10-16 14:13:29.686899 +0000 [ coolwsd ] INF Adding trusted LOK_ALLOW host: [172\.1[6789]\.[0-9]{1,3}\.[0-9]{1,3}]| wsd/COOLWSD.cpp:261

wsd-00001-00001 2024-10-16 14:13:29.686902 +0000 [ coolwsd ] INF Adding trusted LOK_ALLOW host: [::ffff:172\.1[6789]\.[0-9]{1,3}\.[0-9]{1,3}]| wsd/COOLWSD.cpp:261

wsd-00001-00001 2024-10-16 14:13:29.686904 +0000 [ coolwsd ] INF Adding trusted LOK_ALLOW host: [172\.2[0-9]\.[0-9]{1,3}\.[0-9]{1,3}]| wsd/COOLWSD.cpp:261

wsd-00001-00001 2024-10-16 14:13:29.686907 +0000 [ coolwsd ] INF Adding trusted LOK_ALLOW host: [::ffff:172\.2[0-9]\.[0-9]{1,3}\.[0-9]{1,3}]| wsd/COOLWSD.cpp:261

wsd-00001-00001 2024-10-16 14:13:29.686909 +0000 [ coolwsd ] INF Adding trusted LOK_ALLOW host: [172\.3[01]\.[0-9]{1,3}\.[0-9]{1,3}]| wsd/COOLWSD.cpp:261

wsd-00001-00001 2024-10-16 14:13:29.686911 +0000 [ coolwsd ] INF Adding trusted LOK_ALLOW host: [::ffff:172\.3[01]\.[0-9]{1,3}\.[0-9]{1,3}]| wsd/COOLWSD.cpp:261

wsd-00001-00001 2024-10-16 14:13:29.686914 +0000 [ coolwsd ] INF Adding trusted LOK_ALLOW host: [10\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}]| wsd/COOLWSD.cpp:261

wsd-00001-00001 2024-10-16 14:13:29.686916 +0000 [ coolwsd ] INF Adding trusted LOK_ALLOW host: [::ffff:10\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}]| wsd/COOLWSD.cpp:261

wsd-00001-00001 2024-10-16 14:13:29.688933 +0000 [ coolwsd ] TRC Initialize FileServerRequestHandler| wsd/COOLWSD.cpp:2950

wsd-00001-00001 2024-10-16 14:13:29.688936 +0000 [ coolwsd ] DBG Caching files in [/usr/share/coolwsd/browser/dist]| wsd/FileServer.cpp:825

wsd-00001-00001 2024-10-16 14:13:29.688965 +0000 [ coolwsd ] DBG Caching files in [/usr/share/coolwsd/browser/dist/images]| wsd/FileServer.cpp:825

wsd-00001-00001 2024-10-16 14:13:29.697112 +0000 [ coolwsd ] DBG Caching files in [/usr/share/coolwsd/browser/dist/images/dark]| wsd/FileServer.cpp:825

wsd-00001-00001 2024-10-16 14:13:29.737747 +0000 [ coolwsd ] DBG Caching files in [/usr/share/coolwsd/browser/dist/images/help]| wsd/FileServer.cpp:825

wsd-00001-00001 2024-10-16 14:13:29.737765 +0000 [ coolwsd ] DBG Caching files in [/usr/share/coolwsd/browser/dist/images/help/en]| wsd/FileServer.cpp:825

wsd-00001-00001 2024-10-16 14:13:29.748690 +0000 [ coolwsd ] TRC Pre-read 28 file(s) from directory: /usr/share/coolwsd/browser/dist/images/help/en: thesaurus.png status-bar.png manage-changes.png selection-list.png comment.png repair-document.png format-cells.png slide-layouts.png area-dialog.png manage-changes-filter.png autofilter.png information-bar.png insert-table.png inactive-document.png red-wavy-underline.png text-import.png formula-bar.png word-count.png cell-comment.png outlining.png special-character.png conditional-formatting.png track-changes-comment.png chart-wizard.png paragraph-dialog.png chart.png page-style.png data-validation.png | wsd/FileServer.cpp:964

wsd-00001-00001 2024-10-16 14:13:29.748712 +0000 [ coolwsd ] DBG Caching files in [/usr/share/coolwsd/browser/dist/images/help/de]| wsd/FileServer.cpp:825

wsd-00001-00001 2024-10-16 14:13:29.760872 +0000 [ coolwsd ] TRC Pre-read 28 file(s) from directory: /usr/share/coolwsd/browser/dist/images/help/de: thesaurus.png status-bar.png manage-changes.png selection-list.png comment.png repair-document.png format-cells.png slide-layouts.png area-dialog.png manage-changes-filter.png autofilter.png information-bar.png insert-table.png inactive-document.png red-wavy-underline.png text-import.png formula-bar.png word-count.png cell-comment.png outlining.png special-character.png conditional-formatting.png track-changes-comment.png chart-wizard.png paragraph-dialog.png chart.png page-style.png data-validation.png | wsd/FileServer.cpp:964

wsd-00001-00001 2024-10-16 14:13:29.760895 +0000 [ coolwsd ] DBG Caching files in [/usr/share/coolwsd/browser/dist/images/help/it]| wsd/FileServer.cpp:825

wsd-00001-00001 2024-10-16 14:13:29.776194 +0000 [ coolwsd ] TRC Pre-read 28 file(s) from directory: /usr/share/coolwsd/browser/dist/images/help/it: thesaurus.png status-bar.png manage-changes.png selection-list.png comment.png repair-document.png auto-filter.png format-cells.png slide-layouts.png area-dialog.png manage-changes-filter.png information-bar.png insert-table.png inactive-document.png red-wavy-underline.png text-import.png formula-bar.png word-count.png cell-comment.png outlining.png special-character.png conditional-formatting.png track-changes.png chart-wizard.png paragraph-dialog.png chart.png page-style.png data-validation.png | wsd/FileServer.cpp:964

wsd-00001-00001 2024-10-16 14:13:29.776218 +0000 [ coolwsd ] DBG Caching files in [/usr/share/coolwsd/browser/dist/images/help/fr]| wsd/FileServer.cpp:825

wsd-00001-00001 2024-10-16 14:13:29.789776 +0000 [ coolwsd ] TRC Pre-read 28 file(s) from directory: /usr/share/coolwsd/browser/dist/images/help/fr: thesaurus.png status-bar.png manage-changes.png selection-list.png comment.png repair-document.png auto-filter.png format-cells.png slide-layouts.png area-dialog.png manage-changes-filter.png information-bar.png insert-table.png inactive-document.png red-wavy-underline.png text-import.png formula-bar.png word-count.png cell-comment.png outlining.png special-character.png conditional-formatting.png track-changes-comment.png chart-wizard.png paragraph-dialog.png chart.png page-style.png data-validation.png | wsd/FileServer.cpp:964

wsd-00001-00001 2024-10-16 14:13:29.789799 +0000 [ coolwsd ] DBG Caching files in [/usr/share/coolwsd/browser/dist/images/help/es]| wsd/FileServer.cpp:825

wsd-00001-00001 2024-10-16 14:13:29.803416 +0000 [ coolwsd ] TRC Pre-read 28 file(s) from directory: /usr/share/coolwsd/browser/dist/images/help/es: thesaurus.png status-bar.png manage-changes.png selection-list.png comment.png repair-document.png auto-filter.png format-cells.png slide-layouts.png area-dialog.png manage-changes-filter.png information-bar.png insert-table.png inactive-document.png red-wavy-underline.png text-import.png formula-bar.png word-count.png cell-comment.png outlining.png special-character.png conditional-formatting.png track-changes-comment.png chart-wizard.png paragraph-dialog.png chart.png page-style.png data-validation.png | wsd/FileServer.cpp:964

wsd-00001-00001 2024-10-16 14:13:29.803437 +0000 [ coolwsd ] DBG Caching files in [/usr/share/coolwsd/browser/dist/images/help/pt-BR]| wsd/FileServer.cpp:825

wsd-00001-00001 2024-10-16 14:13:29.816677 +0000 [ coolwsd ] TRC Pre-read 25 file(s) from directory: /usr/share/coolwsd/browser/dist/images/help/pt-BR: status-bar.png manage-changes.png selection-list.png comment.png repair-document.png auto-filter.png format-cells.png slide-layouts.png area-dialog.png manage-changes-filter.png inactive-document.png red-wavy-underline.png text-import.png formula-bar.png word-count.png cell-comment.png outlining.png special-character.png conditional-formatting.png track-changes-comment.png chart-wizard.png paragraph-dialog.png chart.png page-style.png data-validation.png | wsd/FileServer.cpp:964

wsd-00001-00001 2024-10-16 14:13:29.826224 +0000 [ coolwsd ] DBG Caching files in [/usr/share/coolwsd/browser/dist/images/cursors]| wsd/FileServer.cpp:825

wsd-00001-00001 2024-10-16 14:13:29.826304 +0000 [ coolwsd ] TRC Pre-read 2 file(s) from directory: /usr/share/coolwsd/browser/dist/images/cursors: fill.cur fill.png | wsd/FileServer.cpp:964

wsd-00001-00001 2024-10-16 14:13:29.839625 +0000 [ coolwsd ] TRC Pre-read 1142 file(s) from directory: