in the log the following is located
xfs_db[8659]: segfault at 00000028 eip b7f0b7f1 esp bff4a330 error 4
xfs_db[8989]: segfault at 00000028 eip b7fb87f1 esp bfa75660 error 4
xfs_db[19113]: segfault at 00000028 eip b7fa27f1 esp bfcd70c0 error 4
xfs_db[22070]: segfault at 00000028 eip b7ef27f1 esp bfa5d640 error 4
xfs_db[22400]: segfault at 00000028 eip b7f9c7f1 esp bf82d410 error 4
xfs_db[25563]: segfault at 00000028 eip b7fc67f1 esp bffe6bd0 error 4

which means that ??