Since i'm not to sure what to do other then what i've seen on here and stackoverflow but i'm getting this error when i startup MySql in WampServer: Semaphore wait has lasted > 600 seconds error. I've tried lowering and raising the values of these variables and this is what i have it set to now innodb_buffer_pool_size = 10M
innodb_log_file_size = 2G innodb_log_buffer_size = 10M in my my.ini config file the only way i've been able to overcome this error was by setting innodb_force_recovery to level 6 but then mysql is in read only mode and i need to create some more tables in my db any suggestions would help thanks
here's the whole error let me know if you need to see more of the log or more variables in my config file
InnoDB: ###### Diagnostic info printed to the standard error stream
2021-02-23T18:25:17.237395Z 0 [ERROR] [FATAL] InnoDB: Semaphore wait has lasted > 600 seconds. We intentionally crash the server because it appears to be hung.
2021-02-23 13:25:17 0x3a8c InnoDB: Assertion failure in thread 14988 in file ut0ut.cc line 918
InnoDB: We intentionally generate a memory trap.
InnoDB: Submit a detailed bug report to http://bugs.mysql.com.
InnoDB: If you get repeated assertion failures or crashes, even
InnoDB: immediately after the mysqld startup, there may be
InnoDB: corruption in the InnoDB tablespace. Please refer to
InnoDB: http://dev.mysql.com/doc/refman/5.7/en/forcing-innodb-recovery.html
InnoDB: about forcing recovery.
18:25:17 UTC - mysqld got exception 0x80000003 ;
everytime I try to backup or check all tables mysql server crashes on Windows server 2012,
I am using XAMPP stack for my development environment.
The database crypto has more then 1100+ tables in DB.
I am including the logs below.
InnoDB: End of page dump
2017-09-24 13:58:35 7dc InnoDB: uncompressed page, stored checksum in field1 2521749199, calculated checksums for field1: crc32 2344073126, innodb 1121903210, none 3735928559, stored checksum in field2 0, calculated checksums for field2: crc32 2344073126, innodb 2892594725, none 3735928559, page LSN 0 2936733816, low 4 bytes of LSN at page end 0, page number (if stored to page already) 34, space id (if created with >= MySQL-4.1.1 and stored already) 1767
InnoDB: page type 17855 meaning INDEX
InnoDB: Page may be an index page where index id is 1522
InnoDB: (index "PRIMARY" of table "crypto"."300-token")
2017-09-24 13:58:35 2012 [ERROR] InnoDB: It is also possible that your operatingsystem has corrupted its own file cache.
2017-09-24 13:58:35 2012 [ERROR] InnoDB: and rebooting your computer removes the error.
2017-09-24 13:58:35 2012 [ERROR] InnoDB: If the corrupt page is an index page you can also try to
2017-09-24 13:58:35 2012 [ERROR] InnoDB: fix the corruption by dumping, dropping, and reimporting
2017-09-24 13:58:35 2012 [ERROR] InnoDB: the corrupt table. You can use CHECK
2017-09-24 13:58:35 2012 [ERROR] InnoDB: TABLE to scan your table for corruption.
2017-09-24 13:58:35 2012 [ERROR] InnoDB: See also http://dev.mysql.com/doc/refman/5.6/en/forcing-innodb-recovery.html about forcing recovery.
2017-09-24 13:58:35 7dc InnoDB: Assertion failure in thread 2012 in file buf0lru.cc line 2394
InnoDB: Failing assertion: bpage->buf_fix_count == 0
InnoDB: We intentionally generate a memory trap.
InnoDB: Submit a detailed bug report to http://bugs.mysql.com.
InnoDB: If you get repeated assertion failures or crashes, even
InnoDB: immediately after the mysqld startup, there may be
InnoDB: corruption in the InnoDB tablespace. Please refer to
InnoDB: http://dev.mysql.com/doc/refman/5.6/en/forcing-innodb-recovery.html
InnoDB: about forcing recovery.
170924 13:58:35 [ERROR] mysqld got exception 0x80000003 ;
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.
To report this bug, see https://mariadb.com/kb/en/reporting-bugs
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.
Server version: 10.1.22-MariaDB key_buffer_size=16777216
read_buffer_size=262144 max_used_connections=1 max_threads=1001
thread_count=1 It is possible that mysqld could use up to
key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads =
787106 K bytes of memory Hope that's ok; if not, decrease some
variables in the equation.
Thread pointer: 0x0 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...
mysqld.exe!my_parameter_handler() mysqld.exe!my_wildcmp_mb_bin()
mysqld.exe!?save_in_result_field#Item##UAEX_N#Z()
mysqld.exe!?save_in_result_field#Item##UAEX_N#Z()
mysqld.exe!?save_in_result_field#Item##UAEX_N#Z()
mysqld.exe!?save_in_result_field#Item##UAEX_N#Z()
mysqld.exe!?save_in_result_field#Item##UAEX_N#Z()
KERNEL32.DLL!BaseThreadInitThunk()
ntdll.dll!RtlInitializeExceptionChain()
ntdll.dll!RtlInitializeExceptionChain() The manual page at
http://dev.mysql.com/doc/mysql/en/crashing.html contains information
that should help you find out what is causing the crash.
I hope someone will help me out
Thanks.
From this content in your question,
"Server version: 10.1.22-MariaDB key_buffer_size=16777216 read_buffer_size=262144 max_used_connections=1 max_threads=1001 thread_count=1 It is possible that mysqld could use up to key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 787106 K ...."
with max_threads=1001 clue above - check for max_connections in your my.ini or .cnf. Lowering max_connections to = 100 may or may not help get you past the BaseThreadInitThunk() ntdll.dll!
I'm developing on my laptop with wamp and mysql is running fine from weeks. Today after 60 seconds after boot mysql crashes I and find the following error inside the log:
2016-03-17T20:34:37.662021Z 0 [ERROR] InnoDB: Cannot allocate 4294956804 bytes of memory after 60 retries over 60 seconds. OS error: Not enough space (12). Check if you should increase the swap file or ulimits of your operating system. Note that on most 32-bit computers the process memory space is limited to 2 GB or 4 GB.
2016-03-17 21:34:37 0x2b74 InnoDB: Assertion failure in thread 11124 in file ut0ut.cc line 938
InnoDB: Failing assertion: !m_fatal
InnoDB: We intentionally generate a memory trap.
InnoDB: Submit a detailed bug report to http://bugs.mysql.com.
InnoDB: If you get repeated assertion failures or crashes, even
InnoDB: immediately after the mysqld startup, there may be
InnoDB: corruption in the InnoDB tablespace. Please refer to
InnoDB: http://dev.mysql.com/doc/refman/5.7/en/forcing-innodb-recovery.html
InnoDB: about forcing recovery.
20:34:37 UTC - mysqld got exception 0x80000003 ;
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.
Attempting to collect some information that could help diagnose the problem.
As this is a crash and something is definitely wrong, the information
collection process might fail.
key_buffer_size=67108864
read_buffer_size=2097152
max_used_connections=0
max_threads=151
thread_count=0
connection_count=0
It is possible that mysqld could use up to
key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 685380 K bytes of memory
Hope that's ok; if not, decrease some variables in the equation.
Thread pointer: 0x103288c0
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...
2016-03-17T20:34:37.682021Z 0 [ERROR] InnoDB: Cannot allocate 4294954524 bytes of memory after 60 retries over 60 seconds. OS error: Not enough space (12). Check if you should increase the swap file or ulimits of your operating system. Note that on most 32-bit computers the process memory space is limited to 2 GB or 4 GB.
2016-03-17 21:34:37 0x2b58 InnoDB: Assertion failure in thread 11096 in file ut0ut.cc line 938
InnoDB: Failing assertion: !m_fatal
InnoDB: We intentionally generate a memory trap.
InnoDB: Submit a detailed bug report to http://bugs.mysql.com.
InnoDB: If you get repeated assertion failures or crashes, even
InnoDB: immediately after the mysqld startup, there may be
InnoDB: corruption in the InnoDB tablespace. Please refer to
InnoDB: http://dev.mysql.com/doc/refman/5.7/en/forcing-innodb-recovery.html
InnoDB: about forcing recovery.
To me it seems that there is a memory issue:
[ERROR] InnoDB: Cannot allocate 4294956804 bytes of memory after 60
retries over 60 seconds. OS error: Not enough space (12).
Could it be that the crash is due to this error? It's weird that mysql try to allocate 4Gb of ram, normally it uses more or less 500Mb.
this is my.ini:
innodb_buffer_pool_size = 16M
# Set .._log_file_size to 25 % of buffer pool size
innodb_log_file_size = 5M
innodb_log_buffer_size = 8M
innodb_flush_log_at_trx_commit = 1
innodb_lock_wait_timeout = 50
I'm running mysql 32 bit on a win7 64bit.
Is this something I can solve changing some variable?
Thanks very much for your help
It was probably a corruption of the InnoDB data. I added
innodb_force_recovery = 2
to my.ini, restarted the DB and I was able to dump all the data and recover it.
Be aware of using this, read the documentation before: http://dev.mysql.com/doc/refman/5.7/en/forcing-innodb-recovery.html
I had similar problem on a CentOS VPS and Stefano Giacone's answer is basically what I did so it worked after hours of researching and a lot of stress...
Well the steps were:
1) Find my.cnf file (mine was located in /etc/my.cnf) and add the line:
innodb_force_recovery = X
replacing X with a integer from 1 to 6, starting from 1 and then incrementing if MySQL won't start. Setting to 4, 5 or 6 can delete your data so be carefull and read http://dev.mysql.com/doc/refman/5.7/en/forcing-innodb-recovery.html before.
2) Restart MySQL service. Only SELECT will run and that's normal at this point.
3) Dump all your databases/schemas with mysqldump one by one, do not compress the dumps because you'd have to uncompress them later anyway in 6).
4) Move (or delete!) only the bd's directories inside /var/lib/mysql, preserving the individual files in the root.
5) Stop MySQL and then uncomment the line added in 1). Start MySQL.
6) Recover all bd's dumped in 3).
That worked for me, good luck!
In the last few weeks our mysql DB has been crashing randomly. -
I have ran a check against all the databases for corruption but all are OK.
EDIT 2016.01.14 - The error that keeps popping up commonly is the following -
InnoDB: Database page corruption on disk or a failed
InnoDB: file read of page 0.
Although, the 'File Read Page' is always different, the last time it was Zero, but before that it was 4500.
A little background.
Been running Xampp for over a year without a problem
We have Applications constantly inserting data into MYSQL from lots of data sources, this is 24/7.
Apart from the above applications, nothing else runs around the time of the crash, I have also checked the system logs to see if anything sticks out but it doesn't.
Two weeks ago, we moved to another server with better spec, the old server was cloned and place on the new one.
Nothing has been altered in DB or new tables added.
Within a week, mysql started to produce errors.
The new server specs are as follows -
Windows Server 2008 R2 Standard - Running Service Pack 1
Proccessor: Intel(R) Xeon(R) # 3.3ghz 2x Dual processor
8GB Ram
64Bit OS (Same as old server)
MySQL Version: 5.6.20
PHP Version 5.5.15
Here are the recent error logs -
*************MYSQL ERROR LOG*****************
//////////////////////////////////*********************
ERROR on 2016-01-05
******************///////////////////////
InnoDB: The error means that the I/O operation has been aborted
InnoDB: because of either a thread exit or an application request.
InnoDB: Retry attempt is made.
2016-01-05 08:42:52 cc8 InnoDB: Operating system error number 995 in a file operation.
InnoDB: The error means that the I/O operation has been aborted
InnoDB: because of either a thread exit or an application request.
InnoDB: Retry attempt is made.
2016-01-05 08:42:52 cc8 InnoDB: Operating system error number 995 in a file operation.
InnoDB: The error means that the I/O operation has been aborted
InnoDB: because of either a thread exit or an application request.
InnoDB: Retry attempt is made.
2016-01-05 08:42:53 cc8 InnoDB: Operating system error number 995 in a file operation.
InnoDB: The error means that the I/O operation has been aborted
InnoDB: because of either a thread exit or an application request.
InnoDB: Retry attempt is made.
2016-01-05 08:42:53 cc8 InnoDB: Operating system error number 995 in a file operation.
InnoDB: The error means that the I/O operation has been aborted
InnoDB: because of either a thread exit or an application request.
InnoDB: Retry attempt is made.
//////////////////////////////////*********************
Error- 2015-12-22
********************************///////////////////////////
2015-12-22 16:46:02 12d4 InnoDB: uncompressed page, stored checksum in field1 1169359801, calculated checksums for field1: crc32 4003191917, innodb 1169359801, none 3735928559, stored checksum in field2 4049981449, calculated checksums for field2: crc32 4003191917, innodb 587193584, none 3735928559, page LSN 128 4137924960, low 4 bytes of LSN at page end 4137853843, page number (if stored to page already) 0, space id (if created with >= MySQL-4.1.1 and stored already) 252
InnoDB: Page may be a file space header page
InnoDB: Database page corruption on disk or a failed
InnoDB: file read of page 0.
InnoDB: You may have to recover from a backup.
InnoDB: It is also possible that your operating
InnoDB: system has corrupted its own file cache
InnoDB: and rebooting your computer removes the
InnoDB: error.
InnoDB: If the corrupt page is an index page
InnoDB: you can also try to fix the corruption
InnoDB: by dumping, dropping, and reimporting
InnoDB: the corrupt table. You can use CHECK
InnoDB: TABLE to scan your table for corruption.
InnoDB: See also http://dev.mysql.com/doc/refman/5.6/en/forcing-innodb-recovery.html
InnoDB: about forcing recovery.
InnoDB: Database page corruption on disk or a failed
InnoDB: file read of page 0.
InnoDB: You may have to recover from a backup.
2015-12-22 16:46:02 12d4 InnoDB: Page dump in ascii and hex (16384 bytes): // Lots of binary here ..
InnoDB: End of page dump
2015-12-22 16:46:03 12d4 InnoDB: uncompressed page, stored checksum in field1 1169359801, calculated checksums for field1: crc32 4003191917, innodb 1169359801, none 3735928559, stored checksum in field2 4049981449, calculated checksums for field2: crc32 4003191917, innodb 587193584, none 3735928559, page LSN 128 4137924960, low 4 bytes of LSN at page end 4137853843, page number (if stored to page already) 0, space id (if created with >= MySQL-4.1.1 and stored already) 252
InnoDB: Page may be a file space header page
InnoDB: Database page corruption on disk or a failed
InnoDB: file read of page 0.
InnoDB: You may have to recover from a backup.
InnoDB: It is also possible that your operating
InnoDB: system has corrupted its own file cache
InnoDB: and rebooting your computer removes the
InnoDB: error.
InnoDB: If the corrupt page is an index page
InnoDB: you can also try to fix the corruption
InnoDB: by dumping, dropping, and reimporting
InnoDB: the corrupt table. You can use CHECK
InnoDB: TABLE to scan your table for corruption.
InnoDB: See also http://dev.mysql.com/doc/refman/5.6/en/forcing-innodb-recovery.html
InnoDB: about forcing recovery.
InnoDB: Error: Unable to read tablespace 252 page no 0 into the buffer pool after 100 attempts
InnoDB: The most probable cause of this error may be that the table has been corrupted.
InnoDB: You can try to fix this problem by using innodb_force_recovery.
InnoDB: Please see reference manual for more details.
InnoDB: Aborting...
2015-12-22 16:46:03 12d4 InnoDB: Assertion failure in thread 4820 in file buf0buf.cc line 2641
InnoDB: We intentionally generate a memory trap.
InnoDB: Submit a detailed bug report to http://bugs.mysql.com.
InnoDB: If you get repeated assertion failures or crashes, even
InnoDB: immediately after the mysqld startup, there may be
InnoDB: corruption in the InnoDB tablespace. Please refer to
InnoDB: http://dev.mysql.com/doc/refman/5.6/en/forcing-innodb-recovery.html
InnoDB: about forcing recovery.
16:46:03 UTC - mysqld got exception 0x80000003 ;
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.
key_buffer_size=16777216
read_buffer_size=262144
max_used_connections=107
max_threads=151
thread_count=5
connection_count=5
It is possible that mysqld could use up to
key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 133778 K bytes
of memory
Hope that's ok; if not, decrease some variables in the equation.
Thread pointer: 0x22020238
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...
50a500
mysqld.exe!my_thread_name()
74392d mysqld.exe!my_mb_ctype_mb()
5ecdb6
mysqld.exe!?my_aes_create_key##YAXPBEIPAEW4my_aes_opmode###Z()
61d611
mysqld.exe!?my_aes_create_key##YAXPBEIPAEW4my_aes_opmode###Z()
647350
mysqld.exe!?my_aes_create_key##YAXPBEIPAEW4my_aes_opmode###Z()
6492fa
mysqld.exe!?my_aes_create_key##YAXPBEIPAEW4my_aes_opmode###Z()
649383
mysqld.exe!?my_aes_create_key##YAXPBEIPAEW4my_aes_opmode###Z()
6493b3
mysqld.exe!?my_aes_create_key##YAXPBEIPAEW4my_aes_opmode###Z()
64945d
mysqld.exe!?my_aes_create_key##YAXPBEIPAEW4my_aes_opmode###Z()
6495cb
mysqld.exe!?my_aes_create_key##YAXPBEIPAEW4my_aes_opmode###Z()
5d48e3
mysqld.exe!?my_aes_create_key##YAXPBEIPAEW4my_aes_opmode###Z()
53f011
mysqld.exe!?my_aes_create_key##YAXPBEIPAEW4my_aes_opmode###Z()
2be48e
mysqld.exe!?ha_write_row#handler##QAEHPAE#Z()
3d8d10
mysqld.exe!?write_record##YAHPAVTHD##PAUTABLE##PAVCOPY_INFO##2#Z()
3df599
mysqld.exe!?mysql_insert##YA_NPAVTHD##PAUTABLE_LIST##AAV?$List#VItem####AAV?$List#V?$List#VItem######22W4enum_duplicates##_N#Z()
2ecdf5
mysqld.exe!?mysql_execute_command##YAHPAVTHD###Z()
2ef81e
mysqld.exe!?mysql_parse##YAXPAVTHD##PADIPAVParser_state###Z()
2f06f8
mysqld.exe!?dispatch_command##YA_NW4enum_server_command##PAVTHD##PADI#Z()
2f135a
mysqld.exe!?do_command##YA_NPAVTHD###Z()
364e59 mysqld.exe!?do_handle_one_connection##YAXPAVTHD###Z()
364efd
mysqld.exe!handle_one_connection()
6bb8cb mysqld.exe!?my_aes_create_key##YAXPBEIPAEW4my_aes_opmode###Z()
510336
mysqld.exe!win_pthread_mutex_trylock()
746c00 mysqld.exe!my_mb_ctype_mb()
746c8a
mysqld.exe!my_mb_ctype_mb()
7728338a kernel32.dll!BaseThreadInitThunk()
77c297f2
ntdll.dll!RtlInitializeExceptionChain()
77c297c5
ntdll.dll!RtlInitializeExceptionChain()
Trying to get some variables.
Some pointers may be invalid and cause the dump to abort.
Query (21e3387c): INSERT INTO 'WPM'(
`Pos`,
`FileMod`,
`Duration`) VALUES (
'IWM',
'2015-12-14 07:47:47 ',
0)Connection ID (thread ID): 3722
Status: NOT_KILLED
The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains
information that should help you find out what is causing the crash.
2015-12-23 08:21:58 4920
[Note] Plugin 'FEDERATED' is disabled.
2015-12-23 08:21:58 10c4 InnoDB: Warning: Using innodb_additional_mem_pool_size is DEPRECATED. This option may be removed in future releases, together with the option innodb_use_sys_malloc and with the InnoDB's internal memory allocator.
2015-12-23 08:21:58 4920 [Note] InnoDB: Using atomics to ref count buffer pool pages
2015-12-23 08:21:58 4920 [Note] InnoDB: The InnoDB memory heap is disabled
2015-12-23 08:21:58 4920 [Note] InnoDB: Mutexes and rw_locks use Windows interlocked functions
2015-12-23 08:21:58 4920 [Note] InnoDB: Memory barrier is not used
2015-12-23 08:21:58 4920 [Note] InnoDB: Compressed tables use zlib 1.2.3
2015-12-23 08:21:58 4920 [Note] InnoDB: Not using CPU crc32 instructions
2015-12-23 08:21:58 4920 [Note] InnoDB: Initializing buffer pool, size = 16.0M
2015-12-23 08:21:58 4920 [Note] InnoDB: Completed initialization of buffer pool
2015-12-23 08:21:58 4920 [Note] InnoDB: Highest supported file format is Barracuda.
2015-12-23 08:21:58 4920 [Note] InnoDB: Log scan progressed past the checkpoint lsn 553893690098
2015-12-23 08:21:58 4920 [Note] InnoDB: Database was not shutdown normally!
2015-12-23 08:21:58 4920 [Note] InnoDB: Starting crash recovery.
2015-12-23 08:21:58 4920 [Note] InnoDB: Reading tablespace information from the .ibd files...
2015-12-23 08:21:59 4920 [Note] InnoDB: Restoring possible half-written data pages
2015-12-23 08:21:59 4920 [Note] InnoDB: from the doublewrite buffer...
InnoDB: Doing recovery: scanned up to log sequence number 553893828751
InnoDB: 1 transaction(s) which must be rolled back or cleaned up
InnoDB: in total 151 row operations to undo
InnoDB: Trx id counter is 152858880
2015-12-23 08:22:00 4920 [Note] InnoDB: Starting an apply batch of log records to the database...
InnoDB: Progress in percent: 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 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
2015-12-23 08:22:00 4920 [Note] InnoDB: 128 rollback segment(s) are active.
InnoDB: Starting in background the rollback of uncommitted transactions
2015-12-23 08:22:00 2c4 InnoDB: Rolling back trx with id 152858375, 151 rows to undo
2015-12-23 08:22:00 4920 [Note] InnoDB: Waiting for purge to start
2015-12-23 08:22:00 4920 [Note] InnoDB: Rollback of trx with id 152858375 completed
2015-12-23 08:22:00 2c4 InnoDB: Rollback of non-prepared transactions completed
2015-12-23 08:22:00 4920 [Note] InnoDB: 5.6.20 started; log sequence number 553893828751
2015-12-23 08:22:00 4920 [Note] Server hostname (bind-address): '*'; port: 3306
2015-12-23 08:22:00 4920 [Note] IPv6 is available.
2015-12-23 08:22:00 4920 [Note] - '::' resolves to '::';
2015-12-23 08:22:00 4920 [Note] Server socket created on IP: '::'.
2015-12-23 08:22:00 4920 [Note] Event Scheduler: Loaded 11 events
2015-12-23 08:22:00 4920 [Note] c:\xampp\mysql\bin\mysqld.exe: ready for connections.
Version: '5.6.20' socket: '' port: 3306 MySQL Community Server (GPL)
2015-12-23 08:24:07 5736 [Note] Plugin 'FEDERATED' is disabled.
2015-12-23 08:24:07 fc8 InnoDB: Warning: Using innodb_additional_mem_pool_size is DEPRECATED. This option may be removed in future releases, together with the option innodb_use_sys_malloc and with the InnoDB's internal memory allocator.
2015-12-23 08:24:07 5736 [Note] InnoDB: Using atomics to ref count buffer pool pages
2015-12-23 08:24:07 5736 [Note] InnoDB: The InnoDB memory heap is disabled
2015-12-23 08:24:07 5736 [Note] InnoDB: Mutexes and rw_locks use Windows interlocked functions
2015-12-23 08:24:07 5736 [Note] InnoDB: Memory barrier is not used
2015-12-23 08:24:07 5736 [Note] InnoDB: Compressed tables use zlib 1.2.3
2015-12-23 08:24:07 5736 [Note] InnoDB: Not using CPU crc32 instructions
2015-12-23 08:24:07 5736 [Note] InnoDB: Initializing buffer pool, size = 16.0M
2015-12-23 08:24:07 5736 [Note] InnoDB: Completed initialization of buffer pool
2015-12-23 08:24:07 5736 [Note] InnoDB: Highest supported file format is Barracuda.
2015-12-23 08:24:07 5736 [Note] InnoDB: Log scan progressed past the checkpoint lsn 553896050587
2015-12-23 08:24:07 5736 [Note] InnoDB: Database was not shutdown normally!
2015-12-23 08:24:07 5736 [Note] InnoDB: Starting crash recovery.
2015-12-23 08:24:07 5736 [Note] InnoDB: Reading tablespace information from the .ibd files...
2015-12-23 08:24:07 5736 [Note] InnoDB: Restoring possible half-written data pages
2015-12-23 08:24:07 5736 [Note] InnoDB: from the doublewrite buffer...
InnoDB: Doing recovery: scanned up to log sequence number 553896774958
2015-12-23 08:24:07 5736 [Note] InnoDB: Starting an apply batch of log records to the database...
InnoDB: Progress in percent: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 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
//////////////////////////////////*********************
Error on 2016-01-08
********************////////////////////////
2016-01-08 00:00:14 1584 InnoDB: uncompressed page, stored checksum in field1 1299653197, calculated checksums for field1: crc32 90466284, innodb 1299653197, none 3735928559, stored checksum in field2 341870525, calculated checksums for field2: crc32 90466284, innodb 3590763946, none 3735928559, page LSN 129 3920058837, low 4 bytes of LSN at page end 3920015931, page number (if stored to page already) 75791, space id (if created with >= MySQL-4.1.1 and stored already) 0
InnoDB: Page may be an update undo log page
InnoDB: Database page corruption on disk or a failed
InnoDB: file read of page 75791.
InnoDB: You may have to recover from a backup.
InnoDB: It is also possible that your operating
InnoDB: system has corrupted its own file cache
InnoDB: and rebooting your computer removes the
InnoDB: error.
InnoDB: If the corrupt page is an index page
InnoDB: you can also try to fix the corruption
InnoDB: by dumping, dropping, and reimporting
InnoDB: the corrupt table. You can use CHECK
InnoDB: TABLE to scan your table for corruption.
InnoDB: See also http://dev.mysql.com/doc/refman/5.6/en/forcing-innodb-recovery.html
InnoDB: about forcing recovery.
InnoDB: Ending processing because of a corrupt database page.
2016-01-08 00:00:14 1584 InnoDB: Assertion failure in thread 5508 in file buf0buf.cc line 4195
InnoDB: We intentionally generate a memory trap.
InnoDB: Submit a detailed bug report to http://bugs.mysql.com.
InnoDB: If you get repeated assertion failures or crashes, even
InnoDB: immediately after the mysqld startup, there may be
InnoDB: corruption in the InnoDB tablespace. Please refer to
InnoDB: http://dev.mysql.com/doc/refman/5.6/en/forcing-innodb-recovery.html
InnoDB: about forcing recovery.
00:00:14 UTC - mysqld got exception 0x80000003 ;
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.
key_buffer_size=16777216
read_buffer_size=262144
max_used_connections=113
max_threads=151
thread_count=5
connection_count=4
It is possible that mysqld could use up to
key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 133778 K bytes of memory
Hope that's ok; if not, decrease some variables in the equation.
Thread pointer: 0x0
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...
116a500 mysqld.exe!my_thread_name()
13a392d mysqld.exe!my_mb_ctype_mb()
12c7aa2 mysqld.exe!?my_aes_create_key##YAXPBEIPAEW4my_aes_opmode###Z()
12c82ad mysqld.exe!?my_aes_create_key##YAXPBEIPAEW4my_aes_opmode###Z()
1225a72 mysqld.exe!?my_aes_create_key##YAXPBEIPAEW4my_aes_opmode###Z()
11d423b mysqld.exe!?my_aes_create_key##YAXPBEIPAEW4my_aes_opmode###Z()
11d4694 mysqld.exe!?my_aes_create_key##YAXPBEIPAEW4my_aes_opmode###Z()
11d548a mysqld.exe!?my_aes_create_key##YAXPBEIPAEW4my_aes_opmode###Z()
11b147d mysqld.exe!?my_aes_create_key##YAXPBEIPAEW4my_aes_opmode###Z()
11b167d mysqld.exe!?my_aes_create_key##YAXPBEIPAEW4my_aes_opmode###Z()
7728338a kernel32.dll!BaseThreadInitThunk()
77c297f2 ntdll.dll!RtlInitializeExceptionChain()
77c297c5 ntdll.dll!RtlInitializeExceptionChain()
The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains
information that should help you find out what is causing the crash.
InnoDB: Warning: a long semaphore wait:
--Thread 6764 has waited at trx0undo.cc line 1778 for 29770.00 seconds the semaphore:
Mutex at 1B4F60EC created file trx0rseg.cc line 196, lock var 1
waiters flag 1
InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info:
InnoDB: Pending preads 0, pwrites 0
Here is the mysql.ini settings file (If this helps)
# The MySQL server
[mysqld]
port= 3306
socket = "C:/xampp/mysql/mysql.sock"
basedir = "C:/xampp/mysql"
tmpdir = "C:/xampp/tmp"
datadir = "C:/xampp/mysql/data"
pid_file = "mysql.pid"
# enable-named-pipe
key_buffer = 16M
max_allowed_packet = 1M
sort_buffer_size = 512K
net_buffer_length = 8K
read_buffer_size = 256K
read_rnd_buffer_size = 512K
myisam_sort_buffer_size = 8M
log_error = "mysql_error.log"
# Change here for bind listening
# bind-address="127.0.0.1"
# bind-address = ::1 # for ipv6
# Where do all the plugins live
plugin_dir = "C:/xampp/mysql/lib/plugin/"
# Don't listen on a TCP/IP port at all. This can be a security enhancement,
# if all processes that need to connect to mysqld run on the same host.
# All interaction with mysqld must be made via Unix sockets or named pipes.
# Note that using this option without enabling named pipes on Windows
# (via the "enable-named-pipe" option) will render mysqld useless!
#
# commented in by lampp security
#skip-networking
skip-federated
# Replication Master Server (default)
# binary logging is required for replication
# log-bin deactivated by default since XAMPP 1.4.11
#log-bin=mysql-bin
# required unique id between 1 and 2^32 - 1
# defaults to 1 if master-host is not set
# but will not function as a master if omitted
server-id = 1
# Replication Slave (comment out master section to use this)
#
# To configure this host as a replication slave, you can choose between
# two methods :
#
# 1) Use the CHANGE MASTER TO command (fully described in our manual) -
# the syntax is:
#
# CHANGE MASTER TO MASTER_HOST=<host>, MASTER_PORT=<port>,
# MASTER_USER=<user>, MASTER_PASSWORD=<password> ;
#
# where you replace <host>, <user>, <password> by quoted strings and
# <port> by the master's port number (3306 by default).
#
# Example:
#
# CHANGE MASTER TO MASTER_HOST='125.564.12.1', MASTER_PORT=3306,
# MASTER_USER='joe', MASTER_PASSWORD='secret';
#
# OR
#
# 2) Set the variables below. However, in case you choose this method, then
# start replication for the first time (even unsuccessfully, for example
# if you mistyped the password in master-password and the slave fails to
# connect), the slave will create a master.info file, and any later
# change in this file to the variables' values below will be ignored and
# overridden by the content of the master.info file, unless you shutdown
# the slave server, delete master.info and restart the slaver server.
# For that reason, you may want to leave the lines below untouched
# (commented) and instead use CHANGE MASTER TO (see above)
#
# required unique id between 2 and 2^32 - 1
# (and different from the master)
# defaults to 2 if master-host is set
# but will not function as a slave if omitted
#server-id = 2
#
# The replication master for this slave - required
#master-host = <hostname>
#
# The username the slave will use for authentication when connecting
# to the master - required
#master-user = <username>
#
# The password the slave will authenticate with when connecting to
# the master - required
#master-password = <password>
#
# The port the master is listening on.
# optional - defaults to 3306
#master-port = <port>
#
# binary logging - not required for slaves, but recommended
#log-bin=mysql-bin
# Point the following paths to different dedicated disks
#tmpdir = "C:/xampp/tmp"
#log-update = /path-to-dedicated-directory/hostname
# Uncomment the following if you are using BDB tables
#bdb_cache_size = 4M
#bdb_max_lock = 10000
# Comment the following if you are using InnoDB tables
#skip-innodb
innodb_data_home_dir = "C:/xampp/mysql/data"
innodb_data_file_path = ibdata1:10M:autoextend
innodb_log_group_home_dir = "C:/xampp/mysql/data"
#innodb_log_arch_dir = "C:/xampp/mysql/data"
## You can set .._buffer_pool_size up to 50 - 80 %
## of RAM but beware of setting memory usage too high
innodb_buffer_pool_size = 16M
innodb_additional_mem_pool_size = 2M
## Set .._log_file_size to 25 % of buffer pool size
innodb_log_file_size = 5M
innodb_log_buffer_size = 8M
innodb_flush_log_at_trx_commit = 1
innodb_lock_wait_timeout = 50
## UTF 8 Settings
#init-connect=\'SET NAMES utf8\'
#collation_server=utf8_unicode_ci
#character_set_server=utf8
#skip-character-set-client-handshake
#character_sets-dir="C:/xampp/mysql/share/charsets"
[mysqldump]
quick
max_allowed_packet = 16M
[mysql]
no-auto-rehash
# Remove the next comment character if you are not familiar with SQL
#safe-updates
[isamchk]
key_buffer = 20M
sort_buffer_size = 20M
read_buffer = 2M
write_buffer = 2M
[myisamchk]
key_buffer = 20M
sort_buffer_size = 20M
read_buffer = 2M
write_buffer = 2M
[mysqlhotcopy]
interactive-timeout
I simply have no idea what to do, I have no experience in the technical side to troubleshooting Mysql. I have looked on the MYsql site, are apparently error code 995 is a known bug, it was meant to be fixed, but I read that it never got pushed into the build.
If you need any more info please ask!
InnoDB deliberately crashes MySQL if it reads a page from "disk" (might come from RAM though if the relevant blocks are in OS cache) and the checksum mismatches with the one in the page header. This is what's happening to you.
Reasons could be:
If you're not using ECC ram you might just have some corrupted data in OS cache. Rebooting the server will clear the cache and you can get some ECC ram to prevent it happening. (less likely)
On disk corruption (more likely):
If you're lucky the corruption is on index pages and you can fully recover by doing a innodb_recovery (http://dev.mysql.com/doc/refman/5.6/en/forcing-innodb-recovery.html)
If the corruption is on data page you most certainly will lose data but you still should be able to recover most of the information using the same method.
In such cases I would just restore from backup if that's possible. The other error you pasted also indicates system level I/O issues so I would look into it soon before it crashes completely.
I believe some pages in Innodb tablespace got corrupted..
First backup your DB!
First suggestion would be to run check table using this command:
mysqlcheck -A --auto-repair
Reference: Here
Add the following line below the mysqld section in the mysql config file (my.ini) and restart both the apache and mysql service afterwards.
innodb_force_recovery = 1
For your information: read this
Note: Innodb becomes read only for data operations when running in innodb_force_recovery mode
If this is not working, my second suggestion would be to decrease the innodb_buffer_pool_size and convert some "heavey loading" tables into MyISAM:
ALTER TABLE table_name ENGINE=MYISAM
Although you increased the specs of your machine, due to high usage of your DB table can still cause a problem.
(Please update me and which you good luck!)
Today i was trying to import a database(~650MB) which failed because of my max packet size was too small.. While trying to fix this, for some reason the database got corrupted.
Now i have the following problem:
In PhpMyAdmin i try to drop the table which is corrupted and it returns the following:
Fout
SQL-query:
DROP DATABASE `database_name`
MySQL retourneerde:
#2013 - Lost connection to MySQL server during query
Every single other database works fine, exept for this one.
I tried several ways, even by putting innodb_force_recovery to 6 in my.cnf file.
Does someone ever experienced something like this?
The FULL error output is:
Markering - 27 nov. 2012 16:49:06
121127 16:49:18 InnoDB: Assertion failure in thread 4516245504 in file dict0dict.c line 2643
InnoDB: Failing assertion: for_table || ref_table
InnoDB: We intentionally generate a memory trap.
InnoDB: Submit a detailed bug report to http://bugs.mysql.com.
InnoDB: If you get repeated assertion failures or crashes, even
InnoDB: immediately after the mysqld startup, there may be
InnoDB: corruption in the InnoDB tablespace. Please refer to
InnoDB: http://dev.mysql.com/doc/refman/5.5/en/forcing-innodb-recovery.html
InnoDB: about forcing recovery.
15:49:18 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.
key_buffer_size=16777216
read_buffer_size=262144
max_used_connections=1
max_threads=151
thread_count=1
connection_count=1
It is possible that mysqld could use up to
key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 134066 K bytes of memory
Hope that's ok; if not, decrease some variables in the equation.
Thread pointer: 0x1010c9000
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 = 10d306ed8 thread_stack 0x40000
0 mysqld 0x000000010027a4fc my_print_stacktrace + 44�
1 mysqld 0x0000000100021134 handle_fatal_signal + 692�
2 libsystem_c.dylib 0x00007fff836038ea _sigtramp + 26�
3 mysqld 0x00000001002efd87 mtr_memo_push + 23�
4 libsystem_c.dylib 0x00007fff8365adce abort + 143�
5 mysqld 0x00000001002baf96 dict_foreign_add_to_cache + 998�
6 mysqld 0x00000001002c09c6 dict_load_foreigns + 1414�
7 mysqld 0x00000001002c2b5b dict_load_table + 1707�
8 mysqld 0x00000001003212b1 row_drop_database_for_mysql + 129�
9 mysqld 0x000000010030b322 _ZL22innobase_drop_databaseP10handlertonPc + 226�
10 mysqld 0x0000000100022601 _ZL17dropdb_handlertonP3THDP13st_plugin_intPv + 33�
11 mysqld 0x0000000100178f7d _Z24plugin_foreach_with_maskP3THDPFcS0_P13st_plugin_intPvEijS3_ + 845�
12 mysqld 0x0000000100140de3 _Z11mysql_rm_dbP3THDPcbb + 1859�
13 mysqld 0x0000000100167143 _Z21mysql_execute_commandP3THD + 13491�
14 mysqld 0x000000010016a386 _Z11mysql_parseP3THDPcjP12Parser_state + 294�
15 mysqld 0x000000010016b49d _Z16dispatch_command19enum_server_commandP3THDPcj + 1709�
16 mysqld 0x000000010016c387 _Z10do_commandP3THD + 231�
17 mysqld 0x000000010020b581 _Z24do_handle_one_connectionP3THD + 353�
18 mysqld 0x000000010020b639 handle_one_connection + 73�
19 libsystem_c.dylib 0x00007fff83615742 _pthread_start + 327�
20 libsystem_c.dylib 0x00007fff83602181 thread_start + 13�
Trying to get some variables.
Some pointers may be invalid and cause the dump to abort.
Query (10e002810): is an invalid pointer
Connection ID (thread ID): 9
Status: NOT_KILLED
The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains
information that should help you find out what is causing the crash.
121127 16:49:19 mysqld_safe mysqld restarted
121127 16:49:19 [Warning] Setting lower_case_table_names=2 because file system for /Library/Application Support/appsolute/MAMP PRO/db/mysql/ is case insensitive
121127 16:49:19 [Note] Plugin 'FEDERATED' is disabled.
121127 16:49:19 InnoDB: The InnoDB memory heap is disabled
121127 16:49:19 InnoDB: Mutexes and rw_locks use GCC atomic builtins
121127 16:49:19 InnoDB: Compressed tables use zlib 1.2.3
121127 16:49:19 InnoDB: Initializing buffer pool, size = 128.0M
121127 16:49:19 InnoDB: Completed initialization of buffer pool
121127 16:49:19 InnoDB: highest supported file format is Barracuda.
InnoDB: The user has set SRV_FORCE_NO_LOG_REDO on
InnoDB: Skipping log redo
121127 16:49:19 InnoDB: Waiting for the background threads to start
121127 16:49:20 InnoDB: 1.1.8 started; log sequence number 0
121127 16:49:20 InnoDB: !!! innodb_force_recovery is set to 6 !!!
121127 16:49:20 [Note] Event Scheduler: Loaded 0 events
121127 16:49:20 [Note] /Applications/MAMP/Library/bin/mysqld: ready for connections.
Version: '5.5.25' socket: '/Applications/MAMP/tmp/mysql/mysql.sock' port: 0 Source distribution
If you have tried each of the innodb_force_recovery values, (3 stops transactions being rolled back or forward), then I can only point you at the following
To cut to the chase, the person on this web page ended up deleteing the innodb files.
Until the end I don’t find a clear solution to this problem … but if you are on a testing environment you can just delete ibdata1 and ib_logfile0, ib_logfile1 and restart the server. This worked in my case.
http://www.randombugs.com/linux/crash-innodb-table.html
Obviously, if you have a load of other databases, this will involve backing up and restoring those aswell. If you find any other way around this, I suggest you try it first.
Percona provide a set of data recovery tools, but in your case the data is not the problem
http://code.google.com/p/innodb-tools/
https://launchpad.net/percona-data-recovery-tool-for-innodb