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MonikaE's avatar
MonikaE
Helpful | Level 6
5 years ago
Solved

Dropbox isn't syncing anymore after upgrading to Ubuntu 20.04

I upgraded from Kubuntu 18.04 to 20.04 a little over a week ago. Since then Dropbox isn't syncing anymore. The icon in the task bar keeps switching between the network folder icon and the box icon (D...
desktop
Linux
sync
  • MonikaE's avatar
    MonikaE
    5 years ago
    It's working again.
    I ran ~/.dropbox-dist$ strace -f ./dropboxd.
    It often showed ("Vorgang nicht zulÀssig" = "activity not allowed"):
    [pid 8640] openat(AT_FDCWD, "/home/monika/Data/Dropbox/Dateien/programme/Videobearbeitung/software/otr-verwaltung3p/data/tools/intern-VirtualDub/wine/dosdevices/z:/usr/lib/jvm/java-1.11.0-openjdk-amd64/legal/java.compiler", O_RDONLY|O_NOATIME|O_CLOEXEC|O_DIRECTORY) = -1 EPERM (Vorgang nicht zulÀssig) zu sehen
    I moved the entire folder Videobearbeitung out of the Dropbox folder be on the safe side and restarted Dropbox.
    Immediately things improved, a notification showed "90 files deleted from Dropbox", my husband's PC showed "9 files changed" for a shared folder and after a while the systray icon stopped blinking and just showed the box (without arrows).

    (The weird thing is that I had deleted all local files at one point and Dropbox had downloaded them - including the offending one.)

    The "echo fs.inotify.max_user_watches=100000 | sudo tee -a /etc/sysctl.conf; sudo sysctl -p" probably also was part of the solution.

pierpiotr's avatar
pierpiotr
Explorer | Level 4
5 years ago

Here is what I have :

vm.vfs_cache_pressure=50
fs.inotify.max_user_watches=100000
fs.inotify.max_user_watches=100000
MonikaE's avatar
MonikaE
Helpful | Level 6
5 years ago
One of the entries would be enough , but having two identical ones is probably not a problem.

Did you restart Dropbox afterwards?

Did the strace give you any “activity not allowed” errors, like it did for me?
  • pierpiotr's avatar
    pierpiotr
    Explorer | Level 4
    5 years ago

    Yes I re-started dropbox,

    The strace command returned no error.

  • MonikaE's avatar
    MonikaE
    Helpful | Level 6
    5 years ago
    Then your problem must be different from the one I had.

    You can try moving all files to a folder outside the Dropbox folder, see if things start working and then move them back in little by little.

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