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>From your stack trace, it looks likely to me that the crash is in libtdb rather than winbind itself, unless winbind is corrupting memory somehow. Can you check all tdb files for corruption using tdbtool (I presume this needs to be done when winbind and samba are shut down), and if you are able then run winbind under valgrind? It isn't clear to me whether this really is a bug or local corruption or a hardware fault or something like that. These steps might give us something really obvious to help decide. Please also report exact package numbers. The command "apport-collect 1100787" will do this for you automatically. Please change the bug status back to New when you are done. Thanks! ** Changed in: samba (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to samba in Ubuntu. https://bugs.launchpad.net/bugs/1100787 Title: Samba 3.6.3 segfault or panic. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/samba/+bug/1100787/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs