User Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/115.0 Steps to reproduce: Using TB as normal. Actual results: From one day to another, TB consumed 100 % CPU. It took me 4 days to find the cause, because I first thought the problem was caused by bug 1763729. The case was, that in prefs.js one pair of the account paths was: user_pref("mail.server.server35.directory", "/mnt/Daten/Users/ich/AppData/Roaming/Thunderbird/Profiles/9bjwyulg.default/ImapMail/CoSoCo.de@gmail.com"); user_pref("mail.server.server35.directory-rel", "[ProfD]../../../../../mnt/Daten/Users/ich/AppData/Roaming/Thunderbird/Profiles/9bjwyulg.default/ImapMail/CoSoCo.de@gmail.com"); After removing the absolute path and trunkating the relative one to: user_pref("mail.server.server35.directory-rel", "[ProfD]ImapMail/CoSoCo.de@gmail.com"); the problem was gone. The volume "/mnt/Daten" is a NTFS file system. The account "CoSoCo.de@gmail.com" was long time in use and the dir parameters changed by itself for no known reason. Expected results: TB should not slow down with such paths, better resolve them and never set absolute paths where not necessary.
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User Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/115.0 Steps to reproduce: Using TB as normal. Actual results: From one day to another, TB consumed 100 % CPU. It took me 4 days to find the cause, because I first thought the problem was caused by bug 1763729. The case was, that in prefs.js one pair of the account paths was: user_pref("mail.server.server35.directory", "/mnt/Daten/Users/ich/AppData/Roaming/Thunderbird/Profiles/9bjwyulg.default/ImapMail/CoSoCo.de@gmail.com"); user_pref("mail.server.server35.directory-rel", "[ProfD]../../../../../mnt/Daten/Users/ich/AppData/Roaming/Thunderbird/Profiles/9bjwyulg.default/ImapMail/CoSoCo.de@gmail.com"); After removing the absolute path and trunkating the relative one to: user_pref("mail.server.server35.directory-rel", "[ProfD]ImapMail/CoSoCo.de@gmail.com"); the problem was gone. The volume "/mnt/Daten" is a NTFS file system. The account "CoSoCo.de@gmail.com" was long time in use and the dir parameters changed by itself for no known reason. Expected results: TB should not slow down with such paths, better resolve them and never set absolute paths where not necessary.