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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...
- It's working again.I ran ~/.dropbox-dist$ strace -f ./dropboxd.[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 zulässig) zu sehen
(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.
In /var/log/syslog.1 I found three entries like these:
"Jun 25 22:06:47 lilly ”‚»[34300]: Unable to monitor entire Dropbox folder hierarchy. Please run "echo fs.inotify.max_user_watches=100000 | sudo tee -a /etc/sysctl.conf; sudo sysctl -p" and restart Dropbox to fix the problem."
(with differing special characters before 34300).
I've tried the command and restarted Dropbox. For a few second I thought the situation had improved, because now the submenu "recently changed files" showed some files. But now everything is as before.
By the way the submenu "snooze notifications" doesn't load most of the time (it should show 30 minutes, 1 hour and until tomorrow). That was already so before I used the command.
dropbox filestatus * shows "unwatched" for all files (both before and after trying the above command). I have not unselected any subfolders from synchronization in the settings.
~/.dropbox-dist$ strace ./dropboxd
yields a lot of output like this mentioning "The resource is currently not available":
futex(0x7f5c79e00e94, FUTEX_WAIT_BITSET_PRIVATE, 0, {tv_sec=5279, tv_nsec=506637588}, FUTEX_BITSET_MATCH_ANY)
= -1 EAGAIN (Die Ressource ist zur Zeit nicht verfügbar)
futex(0x7f5c79e00ee8, FUTEX_WAKE_PRIVATE, 1) = 1
futex(0x7f5c79e00e98, FUTEX_WAKE_PRIVATE, 1) = 0
recvmsg(24, {msg_namelen=0}, 0) = -1 EAGAIN (Die Ressource ist zur Zeit nicht verfügbar)
poll([{fd=14, events=POLLIN}, {fd=15, events=POLLIN}, {fd=16, events=POLLIN}, {fd=23, events=POLLIN}, {fd=24,
events=POLLIN}], 5, 499) = 1 ([{fd=14, revents=POLLIN}])
read(14, "\1\0\0\0\0\0\0\0", 16) = 8
write(29, "\1\0\0\0\0\0\0\0", 😎 = 8
futex(0x7f5bb000dd70, FUTEX_WAKE_PRIVATE, 1) = 1
recvmsg(24, {msg_namelen=0}, 0) = -1 EAGAIN (Die Ressource ist zur Zeit nicht verfügbar)
poll([{fd=14, events=POLLIN}, {fd=15, events=POLLIN}, {fd=16, events=POLLIN}, {fd=23, events=POLLIN}, {fd=24,
events=POLLIN}], 5, 487) = 0 (Timeout)
futex(0x7f5c79e00e90, FUTEX_WAKE_PRIVATE, 1) = 1
futex(0x7f5c79e00e98, FUTEX_WAKE_PRIVATE, 1) = 1
write(29, "\1\0\0\0\0\0\0\0", 😎 = 8I'm not sure if this is meaningful or indicates a problem.
- It's working again.I ran ~/.dropbox-dist$ strace -f ./dropboxd.[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 zulässig) zu sehen
(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.
- Hannah
Dropbox Staff
Hey Monika, thanks for keeping us updated.
Happy to see that you were able to resolve this.
This info might also prove useful to other users who may come across this issue, so we really appreciate it.
Make sure to let us know if you need anything else!
