Comment 1 for bug 1284803

I am also experiencing a crash during IST, below are the relevant parts from the log:

2014-02-23 12:49:05 11154 [Note] WSREP: Receiving IST: 134022 writesets, seqnos 175819169-175953191
2014-02-23 12:49:05 11154 [Note] /usr/sbin/mysqld: ready for connections.
Version: '5.6.15-56-log' socket: '/var/lib/mysql/mysql.sock' port: 3306 Percona XtraDB Cluster (GPL), Release 25.4, Revision 731, wsrep_25.4.r4043
mysqld: /mnt/workspace/percona-xtradb-cluster-5.6-rpms/label_exp/centos6-64/target/BUILD/Percona-XtraDB-Cluster-5.6.15/sql/wsrep_applier.cc:321: wsrep_cb_status_t wsrep_commit_cb(void*, uint32_t, const wsrep_trx_meta_t*, wsrep_bool_t*, bool): Assertion `meta->gtid.seqno =
= wsrep_thd_trx_seqno(thd)' failed.
17:49:31 UTC - mysqld got signal 6 ;
This could be because you hit a bug. It is also possible that this binary
or one of the libraries it was linked against is corrupt, improperly built,
or misconfigured. This error can also be caused by malfunctioning hardware.
We will try our best to scrape up some info that will hopefully help
diagnose the problem, but since we have already crashed,
something is definitely wrong and this may fail.
Please help us make Percona XtraDB Cluster better by reporting any
bugs at https://bugs.launchpad.net/percona-xtradb-cluster

key_buffer_size=8388608
read_buffer_size=131072
max_used_connections=67
max_threads=1002
thread_count=65
connection_count=65
It is possible that mysqld could use up to
key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 407967 K bytes of memory
Hope that's ok; if not, decrease some variables in the equation.

Thread pointer: 0x7fc090000990
Attempting backtrace. You can use the following information to find out
where mysqld died. If you see no messages after this, something went
terribly wrong...
stack_bottom = 7fc098944d88 thread_stack 0x40000
/usr/sbin/mysqld(my_print_stacktrace+0x35)[0x902445]
/usr/sbin/mysqld(handle_fatal_signal+0x4c4)[0x680114]
/lib64/libpthread.so.0(+0xfae0)[0x7fd5ac5caae0]
/lib64/libc.so.6(gsignal+0x35)[0x7fd5aaa3cba5]
/lib64/libc.so.6(abort+0x17b)[0x7fd5aaa3e4bb]
/lib64/libc.so.6(+0x2d5ce)[0x7fd5aaa355ce]
/lib64/libc.so.6(+0x2d672)[0x7fd5aaa35672]
/usr/sbin/mysqld[0x5bcd4c]
/usr/lib64/libgalera_smm.so(_ZN6galera13ReplicatorSMM9apply_trxEPvPNS_9TrxHandleE+0x552)[0x7fd5a8676052]
/usr/lib64/libgalera_smm.so(_ZN6galera13ReplicatorSMM8recv_ISTEPv+0x322)[0x7fd5a867e8d2]
/usr/lib64/libgalera_smm.so(_ZN6galera13ReplicatorSMM10async_recvEPv+0x33f)[0x7fd5a8670c2f]
/usr/lib64/libgalera_smm.so(galera_recv+0x23)[0x7fd5a8685673]
/usr/sbin/mysqld[0x5be0af]
/usr/sbin/mysqld(start_wsrep_THD+0x480)[0x5ae4d0]
/lib64/libpthread.so.0(+0x7ddb)[0x7fd5ac5c2ddb]
/lib64/libc.so.6(clone+0x6d)[0x7fd5aaaeaa1d]

Trying to get some variables.
Some pointers may be invalid and cause the dump to abort.
Query (0): is an invalid pointer
Connection ID (thread ID): 10
Status: NOT_KILLED