[4.1.1-alpha-max] MySQL client : Incorrect checksum for freed

% mysql -uroot -pPASSWORD
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2725 to server version: 4.1.1-alpha-max

Type 'help;' or '\h' for help. Type '\c' to clear the buffer.

mysql> show databases;
+-------------+
| Database |
+-------------+
| a |
| b |
| mysql |
| test |
+-------------+
4 rows in set (0.00 sec)

mysql> exit;
*** malloc[13321]: error for object 0x161270: Incorrect checksum for freed
object - object was probably modified after being freed; break at
szone_error
Bye

My system:

% sw_vers
ProductName: Mac OS X
ProductVersion: 10.2.8
BuildVersion: 6R73

Sometimes, the client crashes, but the free error is every times.

Cheers,

--
david


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Re: [4.1.1-alpha-max] MySQL client : Incorrect checksum for freed

Le 17/12/03 10:57, « David Mancel » a =E9crit=A0:

I've found a way to repeat the crashe of the client, juste after getting th=
e
prompt, after the "use" command, i do "Ctrl+C":


% mysql -uroot -pPASSWORD
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2738 to server version: 4.1.1-alpha-max

Type 'help;' or '\h' for help. Type '\c' to clear the buffer.

mysql> use a;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A

Database changed
mysql> *** malloc[13338]: error for object 0x161450: Incorrect checksum for
freed object - object was probably modified after being freed; break at
szone_error
zsh: segmentation fault /usr/local/mysql/bin/mysql -uroot -p7CUrY8fNA


Automatic crash report :

Date/Time: 2003-12-17 11:04:35 +0100
OS Version: 10.2.8 (Build 6R73)
Host: Serveur-bdd.local.

Command: mysql
PID: 13338

Exception: EXC_BAD_ACCESS (0x0001)
Codes: KERN_INVALID_ADDRESS (0x0001) at 0x3060616c

Thread 0 Crashed:
#0 0x90004204 in free_list_remove_ptr
#1 0x90003ed4 in szone_free
#2 0x00027a00 in 0x27a00
#3 0x0001da34 in 0x1da34
#4 0x0000c02c in 0xc02c
#5 0x00006890 in 0x6890
#6 0x9000f96c in _sigtramp
#7 0x000109e0 in 0x109e0
#8 0xa0004a0c in dyld_func_lookup_pointer

PPC Thread State:
srr0: 0x90004204 srr1: 0x0000d030 vrsave: 0x00000000
xer: 0x20000000 lr: 0x9000416c ctr: 0x90003d00 mq: 0x00000000
r0: 0x3060541f r1: 0xbffff0e0 r2: 0x00006890 r3: 0x00139010
r4: 0x00161450 r5: 0x000004bf r6: 0x80808080 r7: 0x00000002
r8: 0x00139010 r9: 0x3076542f r10: 0x00139290 r11: 0x00139000
r12: 0x90003d00 r13: 0x000f5338 r14: 0x000f5bac r15: 0x000f5380
r16: 0x000f5bac r17: 0x000f5338 r18: 0x00000001 r19: 0x000f6c74
r20: 0x000f5338 r21: 0x000f6c74 r22: 0xa0003d10 r23: 0x00001ff0
r24: 0x000041ff r25: 0x00139010 r26: 0x000004bf r27: 0x0000007f
r28: 0x00161450 r29: 0x30606164 r30: 0x00160030 r31: 0x9000416c

HTH

David

> % mysql -uroot -pPASSWORD
> Welcome to the MySQL monitor. Commands end with ; or \g.
> Your MySQL connection id is 2725 to server version: 4.1.1-alpha-max
>=20
> Type 'help;' or '\h' for help. Type '\c' to clear the buffer.
>=20
> mysql> show databases;
> +-------------+
> | Database |
> +-------------+
> | a |
> | b |
> | mysql |
> | test |
> +-------------+
> 4 rows in set (0.00 sec)
>=20
> mysql> exit;
> *** malloc[13321]: error for object 0x161270: Incorrect checksum for free=
d
> object - object was probably modified after being freed; break at
> szone_error
> Bye
>=20
> My system:
>=20
> % sw_vers
> ProductName: Mac OS X
> ProductVersion: 10.2.8
> BuildVersion: 6R73
>=20
> Sometimes, the client crashes, but the free error is every times.
>=20
> Cheers,


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Re: [4.1.1-alpha-max] MySQL client : Incorrect checksum for freed

David,

sorry for the late reply, seems that the original has gotten lost somewhere=
..

> I've found a way to repeat the crashe of the client, juste after getting =
the
> prompt, after the "use" command, i do "Ctrl+C":
>=20
>=20
> % mysql -uroot -pPASSWORD
> Welcome to the MySQL monitor. Commands end with ; or \g.
> Your MySQL connection id is 2738 to server version: 4.1.1-alpha-max
>=20
> Type 'help;' or '\h' for help. Type '\c' to clear the buffer.
>=20
> mysql> use a;
> Reading table information for completion of table and column names
> You can turn off this feature to get a quicker startup with -A
>=20
> Database changed
> mysql> *** malloc[13338]: error for object 0x161450: Incorrect checksum f=
or
> freed object - object was probably modified after being freed; break at
> szone_error
> zsh: segmentation fault /usr/local/mysql/bin/mysql -uroot -p7CUrY8fNA

I wasn't able to repeat this on any of my machines, though they're running
Panther (10.3.2 at the time of doing this test).

Do you have developer tools installed?


Rgds,
Indrek

--=20
| Indrek Siitan, Administrative Coordinator of Support
| MySQL (AB, GmbH, Inc.) =B7 Keila, Estonia
+-=20
| Want to swim with the dolphins? (April 14-16, 2004)
| http://www.mysql.com/uc2004/
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