[New Thread 1082132832 (LWP 19012)] [New Thread 1090525536 (LWP 19013)] [New Thread 1098918240 (LWP 19014)] [New Thread 1107310944 (LWP 19015)] 081217 21:44:03 InnoDB: Database was not shut down normally! InnoDB: Starting crash recovery. InnoDB: Reading tablespace information from the .ibd files... InnoDB: Restoring possible half-written data pages from the doublewrite InnoDB: buffer... 081217 21:44:03 InnoDB: Starting log scan based on checkpoint at InnoDB: log sequence number 3 1888274402. InnoDB: Doing recovery: scanned up to log sequence number 3 1888277687 InnoDB: 1 transaction(s) which must be rolled back or cleaned up InnoDB: in total 6 row operations to undo InnoDB: Trx id counter is 0 196608 081217 21:44:03 InnoDB: Starting an apply batch of log records to the database... InnoDB: Progress in percents: 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 InnoDB: Apply batch completed InnoDB: Last MySQL binlog file position 0 262363, file name /var/log/mysql/mysql-bin.000005 [New Thread 1115703648 (LWP 19016)] InnoDB: Starting in background the rollback of uncommitted transactions 081217 21:44:04 InnoDB: Rolling back trx with id 0 196173, 6 rows to undo [New Thread 1124096352 (LWP 19017)] [New Thread 1132489056 (LWP 19018)] [New Thread 1140881760 (LWP 19019)] 081217 21:44:04 InnoDB: Started; log sequence number 3 1888277687 081217 21:44:04 [Note] Recovering after a crash using /var/log/mysql/mysql-bin 081217 21:44:04 [Note] Starting crash recovery... 081217 21:44:04 [Note] Crash recovery finished. Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 1115703648 (LWP 19016)] 0x000000000079a3a4 in rec_set_nth_field_sql_null () (gdb) bt #0 0x000000000079a3a4 in rec_set_nth_field_sql_null () #1 0x00000000006ff726 in row_upd_rec_in_place () #2 0x000000000071b7f0 in btr_cur_update_in_place () #3 0x00000000007233b3 in btr_cur_optimistic_update () #4 0x0000000000705197 in row_undo_ins () #5 0x0000000000705f75 in row_undo_mod () #6 0x00000000006feb40 in row_undo_step () #7 0x00000000006dbcbd in que_run_threads () #8 0x0000000000739cb1 in trx_rollback_or_clean_all_without_sess () #9 0x00002ab3a11d4f1a in start_thread () from /lib/libpthread.so.0 #10 0x00002ab3a1a875d2 in clone () from /lib/libc.so.6 #11 0x0000000000000000 in ?? ()