Try Troubleshoot Mode Thunderbird

Hello Stans, thank you for your reply. I tried to follow the reply as written but hit another problem. I will try to attach the readout from the Terminal and hope you might get some ideas from all the errors I came across. <quote> rod@rod:~$ thunderbird -safe-mode [calBackendLoader] Using Thunderbird's libical backend [LDAPModuleLoader] Using LDAPDirectory.jsm [MsgSendModuleLoader] Using MessageSend.jsm [SmtpModuleLoader] Using SmtpService.jsm console.debug: "Trying to load /usr/lib/thunderbird/libotr.so" console.debug: "Trying to load libotr.so from system's standard library locations" console.debug: "Trying to load libotr.so.5 from system's standard library locations" console.debug: "Trying to load libotr.so from system's standard library locations" console.log: (new Error("Cannot load required OTR library", "resource:///modules/OTRLib.jsm", 109)) console.debug: "Successfully loaded OpenPGP library librnp.so version 0.16+git20220124.f06439f7.MZLA from /usr/lib/thunderbird/librnp.so" console.debug: "Found 0 public keys and 0 secret keys (0 protected, 0 unprotected)" console.debug: "Successfully loaded optional OpenPGP library libgpgme.so.11 from system's standard library locations" console.debug: "gpgme version: 1.16.0-unknown" IPDL protocol error: Handler returned error code!

1. 1. 1. !!! [Parent][DispatchAsyncMessage] Error: PClientManager::Msg_ExpectFutureClientSource Processing error: message was deserialized, but the handler returned false (indicating failure)

IPDL protocol error: Handler returned error code!

1. 1. 1. !!! [Parent][DispatchAsyncMessage] Error: PClientManager::Msg_ForgetFutureClientSource Processing error: message was deserialized, but the handler returned false (indicating failure)

console.warn: services.settings: thunderbird/hijack-blocklists has signature disabled IPDL protocol error: Handler returned error code!

1. 1. 1. !!! [Parent][DispatchAsyncMessage] Error: PClientManager::Msg_ExpectFutureClientSource Processing error: message was deserialized, but the handler returned false (indicating failure)

IPDL protocol error: Handler returned error code!

1. 1. 1. !!! [Parent][DispatchAsyncMessage] Error: PClientManager::Msg_ForgetFutureClientSource Processing error: message was deserialized, but the handler returned false (indicating failure)

</quote>

Regards, Rodney Jackson

What is the installation...flatpak, Snap, APT ?

You can get the download installation from here: https://www.thunderbird.net/en-US/thunderbird/all/

Helpful info: https://support.mozilla.org/en-US/kb/installing-thunderbird-linux

check you have system requirements including necessary libaries installed: https://www.thunderbird.net/en-US/thunderbird/91.9.1/system-requirements/

re: new Error("Cannot load required OTR library On Linux, the distribution probably offers the libOTR library. On systems like Debian or Ubuntu, use: sudo apt-get install libotr5 https://wiki.mozilla.org/Thunderbird:OTR

I have this problem, too. It started for me around Feb or March of this year. I am using Thunderbird inside a VirtualBox guest running Springdale Linux 8, which is a free rebuild of RHEL 8. I have been using Thunderbird in this way for years. I have also installed Springdale 9 in this way on several different VBox hosts, to make sure it isn't a problem with the original host. It happens on all of the systems. The Thunderbird I'm using is provided by the RPMs included with this Linux distribution, but I've also tried downloading directly from mozilla.org, and had the same exact problem.

I see errors like this in /var/log/messages when Thunderbird freezes:

ug 24 10:22:04 pbisbal-lt-sdl8 thunderbird.desktop[3236]: IPDL protocol error: Handler returned error code! Aug 24 10:22:04 pbisbal-lt-sdl8 thunderbird.desktop[3236]: ###!!! [Parent][DispatchAsyncMessage] Error: PClientManager::Msg_ExpectFutureClientSource Processing error: message was deserialized, but the handler returned false (indicating failure) Aug 24 10:22:04 pbisbal-lt-sdl8 thunderbird.desktop[3236]: IPDL protocol error: Handler returned error code! Aug 24 10:22:04 pbisbal-lt-sdl8 thunderbird.desktop[3236]: ###!!! [Parent][DispatchAsyncMessage] Error: PClientManager::Msg_ForgetFutureClientSource Processing error: message was deserialized, but the handler returned false (indicating failure) Aug 24 10:22:05 pbisbal-lt-sdl8 thunderbird.desktop[3236]: IPDL protocol error: Handler returned error code! Aug 24 10:22:05 pbisbal-lt-sdl8 thunderbird.desktop[3236]: ###!!! [Parent][DispatchAsyncMessage] Error: PClientManager::Msg_ExpectFutureClientSource Processing error: message was deserialized, but the handler returned false (indicating failure) Aug 24 10:22:05 pbisbal-lt-sdl8 thunderbird.desktop[3236]: IPDL protocol error: Handler returned error code! Aug 24 10:22:05 pbisbal-lt-sdl8 thunderbird.desktop[3236]: ###!!! [Parent][DispatchAsyncMessage] Error: PClientManager::Msg_ForgetFutureClientSource Processing error: message was deserialized, but the handler returned false (indicating failure) Aug 24 10:22:36 pbisbal-lt-sdl8 org.gnome.Shell.desktop[2611]: libinput error: client bug: timer event3 debounce short: scheduled expiry is in the past (-3ms), your system is too slow

When I do a stack trace, I see lots of this (not sure if this snippet will be helpful, though):

lseek(44, 392065024, SEEK_SET) = 392065024 read(44, "32)(^81^533)(^83^38C0F1)(^C0^38C"..., 4096) = 4096 lseek(44, 392056832, SEEK_SET) = 392056832 read(44, "=1)(^B4=0)(^B5=0)(^B6^22705D)\n "..., 4096) = 4096 read(44, ")(^86^38C119)(^89=1)(^96^90)(^87"..., 4096) = 4096 read(44, "32)(^81^533)(^83^38C0F1)(^C0^38C"..., 4096) = 4096 fstat(44, {st_mode=S_IFREG|0664, st_size=415913138, ...}) = 0 lseek(44, 415911936, SEEK_SET) = 415911936 read(44, "88=82014)(^A7^82)(^B0=1)(^B1^3AA"..., 4096) = 1202 lseek(44, 392065024, SEEK_SET) = 392065024 read(44, "32)(^81^533)(^83^38C0F1)(^C0^38C"..., 4096) = 4096 lseek(44, 392060928, SEEK_SET) = 392060928 read(44, ")(^86^38C119)(^89=1)(^96^90)(^87"..., 4096) = 4096 read(44, "32)(^81^533)(^83^38C0F1)(^C0^38C"..., 4096) = 4096 read(44, ")(^90=f254c)(^92^38C140)(^91=0)\n"..., 4096) = 4096 fstat(44, {st_mode=S_IFREG|0664, st_size=415913138, ...}) = 0

I didn't write the strace to a file, so I don't know what file file descriptor 44 corresponds to.

I have restarted Thunderbird in safe mode, and I'm still having this problem. I have confimed safe mode is active. These are the error messages I'm seeing in safe mode:

Aug 26 14:26:17 pbisbal-lt-sdl8 thunderbird.desktop[221344]: ###!!! [Parent][DispatchAsyncMessage] Error: PClientManager::Msg_ExpectFutureClientSource Processing error: message was deserialized, but the handler returned false (indicating failure) Aug 26 14:26:17 pbisbal-lt-sdl8 thunderbird.desktop[221344]: IPDL protocol error: Handler returned error code! Aug 26 14:26:17 pbisbal-lt-sdl8 thunderbird.desktop[221344]: ###!!! [Parent][DispatchAsyncMessage] Error: PClientManager::Msg_ForgetFutureClientSource Processing error: message was deserialized, but the handler returned false (indicating failure) Aug 26 14:27:05 pbisbal-lt-sdl8 org.gnome.Shell.desktop[2611]: libinput error: client bug: timer event3 debounce short: scheduled expiry is in the past (-11ms), your system is too slow Aug 26 14:27:10 pbisbal-lt-sdl8 org.gnome.Shell.desktop[2611]: libinput error: client bug: timer event3 debounce: scheduled expiry is in the past (-3ms), your system is too slow Aug 26 14:27:10 pbisbal-lt-sdl8 org.gnome.Shell.desktop[2611]: libinput error: client bug: timer event3 debounce short: scheduled expiry is in the past (-16ms), your system is too slow Aug 26 14:27:13 pbisbal-lt-sdl8 org.gnome.Shell.desktop[2611]: libinput error: client bug: timer event3 debounce short: scheduled expiry is in the past (-6ms), your system is too slow