Hello Bernhard,
Am Tue, 19 Nov 2019 11:55:54 +0100 schrieb Bernhard Übelacker <bernha...@mailbox.org>: > just a wild guess - is claws-mail doing these ldap queries > in parallel in different threads? This in combination with > the unsteady connection to the server could make two threads > operate on the same structures? An interesting idea! I could imagine, that claws-mail's maintainer will appreciate this hint. (I guess, I will open a bug report against claws-mail upstream) > In that case following gdb output would show all > threads with their backtraces: > (gdb) thread apply all bt indeed this was the command, that I used to generate the gdb output. > Or with showing also the variables: > (gdb) thread apply all bt full Next time I will also use this one. > And how do you get the backtraces? Are you running > with a gdb attached to it permanently? Yes, I am doing this for claws-mail at the moment. > Then you could create a core when the crash happened with > (gdb) generate-core-file /home/someone/corefile Good point - I will try this next time. Thank you for your hints! Cheers, Lars