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mysqld: 10.0/sql/sql_class.cc:1572: virtual THD::~THD(): Assertion `status_var.memory_used == 0' failed.
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[ERROR] mysqld got signal 6 ;
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#5 0x00007f2143c34b8b in __GI_abort () at abort.c:91
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#6 0x00007f2143c2a0ee in __assert_fail_base (fmt=<optimized out>, assertion=0xd90a88 "status_var.memory_used == 0", file=0xd907c8 "10.0/sql/sql_class.cc", line=<optimized out>, function=<optimized out>) at assert.c:94
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#7 0x00007f2143c2a192 in __GI___assert_fail (assertion=0xd90a88 "status_var.memory_used == 0", file=0xd907c8 "10.0/sql/sql_class.cc", line=1572, function=0xd92790 "virtual THD::~THD()") at assert.c:103
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#8 0x00000000005d9502 in THD::~THD (this=0x48e3f90, __in_chrg=<optimized out>) at 10.0/sql/sql_class.cc:1572
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#9 0x00000000005d9664 in THD::~THD (this=0x48e3f90, __in_chrg=<optimized out>) at 10.0/sql/sql_class.cc:1577
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#10 0x0000000000562120 in unlink_thd (thd=0x48e3f90) at 10.0/sql/mysqld.cc:2599
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#11 0x0000000000562412 in one_thread_per_connection_end (thd=0x48e3f90, put_in_cache=true) at 10.0/sql/mysqld.cc:2701
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#12 0x000000000071f46d in do_handle_one_connection (thd_arg=0x48e3f90) at 10.0/sql/sql_connect.cc:1278
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#13 0x000000000071ed97 in handle_one_connection (arg=0x48e3f90) at 10.0/sql/sql_connect.cc:1181
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#14 0x00007f21449fae9a in start_thread (arg=0x7f2144f45700) at pthread_create.c:308
|
revision-id: sanja@askmonty.org-20130204153039-ws7tcwfmbi6vil6e
|
revno: 3501
|
branch-nick: 10.0
|
Perl test (adjust port and duration as needed, default values are 3306 and 300 seconds):
use DBI;
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use Time::HiRes;
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use Getopt::Long;
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use strict;
|
|
my $port=3306;
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my $duration=300;
|
|
GetOptions (
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"port=i" => \$port,
|
"duration=i" => \$duration
|
);
|
|
my $dsn="DBI:mysql:test;host=127.0.0.1;port=$port";
|
my $victim;
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my $test_end = time() + $duration;
|
|
my $dbh = DBI->connect($dsn,'root','') || die "Could not connect: $DBI::errstr";
|
$dbh->do('DROP TABLE IF EXISTS A');
|
$dbh->do('CREATE TABLE A (col_int_nokey INT, col_int_key INT, KEY (col_int_key)) ENGINE=InnoDB');
|
|
foreach (1..10)
|
{
|
my $pid = fork();
|
unless ( defined $pid ) {
|
die "Could not fork: $!\n";
|
}
|
if ( $pid == 0 ) {
|
run_worker();
|
exit;
|
}
|
}
|
|
while ($dbh->ping && ( time() <= $test_end+1 ))
|
{
|
$victim = $dbh->selectcol_arrayref("SELECT `id` FROM INFORMATION_SCHEMA.PROCESSLIST WHERE id > CONNECTION_ID() ORDER BY RAND() LIMIT 1");
|
if ( ! $DBI::err && $victim && @$victim ) {
|
$dbh->do("KILL ". $victim->[0]);
|
Time::HiRes::sleep (0.1);
|
}
|
}
|
print "All good\n" unless $DBI::errstr;
|
|
sub run_worker
|
{
|
my $dbh;
|
WORK:
|
while ( $dbh = DBI->connect($dsn,'root','',{ PrintError=>0 }) )
|
{
|
while ( $dbh->do('SELECT * FROM A WHERE col_int_key < ' . int(rand(100))) ) { last WORK if time() >= $test_end } ;
|
}
|
$dbh->disconnect() if $dbh;
|
}
|
|
|