simple expression fails on ia64-linux

simple expression fails on ia64-linux

am 26.03.2003 13:31:10 von Andrej

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bug description:
================

running crash-me test on the ia64-linux mysqld coredumps on the one request
(below). This query was executed on each ia64-linux server available for me with
the same result. As you can see, all actual releases have mentioned problem.

At the same time, when server (3.23) was executed with --one-thread flag, query
was successfully processed.

In case of ideas or suggestions, I am ready to perform any additional tests.

select
1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+( 1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+( 1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+( 1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+( 1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+( 1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+( 1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+( 1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+( 1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+( 1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+( 1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+( 1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+( 1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+( 1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+( 1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+( 1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+( 1+(1+(1+(1+(1+(1+(1+(1+(1+(1+
(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+ (1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+ (1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+ (1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+ (1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+ (1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+ (1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+ (1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+ (1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+ (1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+ (1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+ (1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+ (1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+ (1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+ (1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+ (1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+ (1+(1+(1+(1+(1+(1+(1+(1+(1+(1+

(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+ (1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+ (1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+ (1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+ (1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+ (1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+ (1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+ (1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+ (1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+ (1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+ (1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+ (1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+ (1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+ (1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+ (1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+ (1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+ (1+(1+(1+(1+(1+(1+(1+(1+(1+(1+

(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1)))))))))))))))))))))))))))) )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) ))))))))))))))))))))))))))))))

))))))))))))))))))))))))))))))))))))))))));

checked environment:
=======================
*) rx2600
hardware HP rx2600, 1CPU, 1Gb
OS Red Hat Linux Advanced Server release 2.1AS (Derry)
kernel 2.4.18-e.25smp
libc 2.2.4-31.7
mysql mysql-3.23.55-unknown-linux-ia64 (Official MySQL bin)
mysql mysql-max-4.0.12-unknown-linux-ia64 (Official MySQL bin)
mysql 3.23.54a-3.72 distributed by Redhat
mysql 3.23.56 built by myself
my.cnf
[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock

[mysql.server]
user=mysql
basedir=/var/lib

[safe_mysqld]
err-log=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid

*) rx5670
hardware HP rx5670, 4CPU, 2Gb
OS Red Hat Linux Advanced Server release 2.1AS (Derry)
kernel 2.4.18-e.25smp
libc 2.2.4-31.7
mysql 3.23.54a-3.72 distributed by Redhat

*) rx2600
hardware HP rx2600, 2CPU, 1Gb
OS debian 3.0
kernel 2.4.19-mckinley-smp
libc 2.2.5-14.3
mysql mysql-3.23.53-unknown-linux-gnu-ia64

mysqld --debug --user=mysql
===========================

After mysqld start, only one client with single query was connected.
mysqld.trace attached.

hardware HP rx2600, 1CPU, 1Gb
OS Red Hat Linux Advanced Server release 2.1AS (Derry)
kernel 2.4.18-e.25smp
libc 2.2.4-31.7
mysql 3.23.56 built by myself (--with-debug) (gcc 2.96-116.7.2)
my.cnf
[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock

[mysql.server]
user=mysql
basedir=/var/lib

[safe_mysqld]
err-log=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid

gdb:
====
Program received signal SIGSEGV, Segmentation fault.
0x200000000044e782 in select () at soinit.c:56
56 in soinit.c
(gdb) where
#0 0x200000000044e782 in select () at soinit.c:56
#1 0x4000000000109890 in handle_connections_sockets (arg=0x600000000004a710)
at mysqld.cc:2434
#2 0x4000000000109890 in handle_connections_sockets (arg=0x600000000004a710)
at mysqld.cc:2434
#3 0x4000000000109890 in handle_connections_sockets (arg=Cannot access memory
at address 0x60000fff7fffff48
) at mysqld.cc:2434
#4 0x4000000000109890 in handle_connections_sockets (arg=Cannot access memory
at address 0x60000fff7ffffeb0
) at mysqld.cc:2434
Cannot access memory at address 0x60000fff7fffff98


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Re: simple expression fails on ia64-linux

am 27.03.2003 16:00:16 von Lenz Grimmer

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Hi,

On Wed, 26 Mar 2003, Andrej wrote:

> running crash-me test on the ia64-linux mysqld coredumps on the one
> request (below). This query was executed on each ia64-linux server
> available for me with the same result. As you can see, all actual
> releases have mentioned problem.
>
> At the same time, when server (3.23) was executed with --one-thread
> flag, query was successfully processed.
>
> In case of ideas or suggestions, I am ready to perform any additional tests.

Thanks for spotting this - Monty just pushed a fix for this bug, so it
should be fixed for the next release:

ChangeSet@1.1421.1.1, 2003-03-26 14:11:17+02:00, monty@mashka.mysql.fi
Fix for glibc with small stack size (fixes bug when running crash-me)

Bye,
LenZ
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