Comment #3 on issue 203 by [email protected]: frequent crashes of ganeti-masterd and frequent failiures to restart it due to errors with the job queue.
http://code.google.com/p/ganeti/issues/detail?id=203
That is an issue with gcrypt, used by GnuTLS, used by PycURL/cURL, used by Ganeti. The gcrypt engine is not initialized properly for multithreaded environments, see [1]. You will have to upgrade to GnuTLS 2.12.x and potentially adjust cURL. It also shows up on other projects if you search for “_gcry_ath_mutex_lock assertion lock”. Please contact your distribution vendor about this issue.
Alternatively you can link cURL (the library, not the CLI program) against OpenSSL.
[1] http://git.savannah.gnu.org/gitweb/?p=gnutls.git;a=commit;h=fe1b3846c8c34a103da138e375f435f72fa042a6
