Thunderbird freeze while refreshing a specific CalDAV calendar
Hello,
My Thunderbird 38.3.0 (from Ubuntu 15.10 repositories) freezes on startup since a few days, unless I disable Lightning module using the safe mode. I tried waiting 10 minutes, Thunderbird keeps frozen.
I found out that the issue seems related to a CalDAV calendar: if I remove it, the issue appears no more. I also tried to add only this calendar on a brand new profile, on a freshly downloaded Thunderbird 38.4.0 from mozilla.org: again, the application completely freezes as soon as I enter my calendar credentials and that Thunderbird starts refreshing the calendar.
After enabling calendar.debug.log, what I get from startup to freeze is below (where "CALENDAR_xxx" are placeholders).
Would somebody understand what causes the problem? Thank you very much for your help!
nicolas@nico-ubuntu:~$ '/home/nicolas/Bureau/thunderbird/thunderbird' (process:6198): GLib-CRITICAL **: g_slice_set_config: assertion 'sys_page_size == 0' failed [calBackendLoader] Using libical backend at /home/nicolas/.thunderbird/851md6bx.test_cal/extensions/{e2fda1a4-762b-4020-b5ad-a41df1933103}/components/libical-manifest [calSleepMonitor] Starting sleep monitor. [calTimezoneService] Loading resource://calendar/timezones/zones.json [calTimezoneService] Timezones version 2.2015e loaded CalDAV: Retrieving server info from cache for CALENDAR_NAME [calCachedCalendar] Performing playback operation add on 0 items to CALENDAR_NAME [calCachedCalendar] Performing playback operation modify on 0 items to CALENDAR_NAME [calCachedCalendar] Performing playback operation delete on 0 items to CALENDAR_NAME [calCachedCalendar] Doing changelog based sync for calendar https://CALENDAR_URL/dav/home/CALENDAR_USER/calendar/ CalDAV: Status 207 on initial PROPFIND for calendar CALENDAR_NAME CalDAV: Authentication scheme for CALENDAR_NAME is Basic CalDAV: Collection has webdav sync support Adding supported items: VEVENT,VTODO for calendar: CALENDAR_NAME CalDAV: Found principal url from DAV:current-user-principal /dav/principals/CALENDAR_EMAIL/ CalDAV: webdav-sync Token: null
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