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10.2 9bf424bc
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2019-09-02 23:38:20 140019074221888 [Note] InnoDB: Highest supported file format is Barracuda.
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2019-09-02 23:38:21 140019074221888 [Note] InnoDB: Encrypting redo log: 1*524288000 bytes; LSN=1656361
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mysqld: /data/src/10.2/storage/innobase/log/log0log.cc:2212: void log_pad_current_log_block(): Assertion `!recv_no_log_write' failed.
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190902 23:38:24 [ERROR] mysqld got signal 6 ;
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rogram terminated with signal SIGSEGV, Segmentation fault.
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#3 <signal handler called>
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#4 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
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#5 0x00007f58b935f42a in __GI_abort () at abort.c:89
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#6 0x00007f58b9356e67 in __assert_fail_base (fmt=<optimized out>, assertion=assertion@entry=0x55d9e8904d94 "!recv_no_log_write", file=file@entry=0x55d9e89049b0 "/data/src/10.2/storage/innobase/log/log0log.cc", line=line@entry=2212, function=function@entry=0x55d9e8906780 <log_pad_current_log_block()::__PRETTY_FUNCTION__> "void log_pad_current_log_block()") at assert.c:92
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#7 0x00007f58b9356f12 in __GI___assert_fail (assertion=0x55d9e8904d94 "!recv_no_log_write", file=0x55d9e89049b0 "/data/src/10.2/storage/innobase/log/log0log.cc", line=2212, function=0x55d9e8906780 <log_pad_current_log_block()::__PRETTY_FUNCTION__> "void log_pad_current_log_block()") at assert.c:101
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#8 0x000055d9e8251b83 in log_pad_current_log_block () at /data/src/10.2/storage/innobase/log/log0log.cc:2212
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#9 0x000055d9e8251cb5 in log_scrub () at /data/src/10.2/storage/innobase/log/log0log.cc:2254
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#10 0x000055d9e8251d66 in log_scrub_thread () at /data/src/10.2/storage/innobase/log/log0log.cc:2281
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#11 0x00007f58baecb4a4 in start_thread (arg=0x7f58a19cd700) at pthread_create.c:456
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#12 0x00007f58b9413d0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97
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Reproducing doesn't require any inflow on the server. It happens randomly, quite rarely, upon server startup right after bootstrap, it's enough to run bootstrap-startup in a loop with given options for a long enough time (hours). I use this crude script for that, but it can really be anything, as long as the server started with the right options. Scrubbing is important, but also on some reason innodb_log_files_in_group (or possibly some other InnoDB log options) – maybe resizing redo log is essential for the scenario.
Unfortunately, I don't know how to make it any faster / more probable.
if [ -n "$1" ] ; then
|
port=$1
|
else
|
port=8307
|
fi
|
|
while [ true ] ; do
|
rm -rf data data.bootstrap tmp
|
mkdir data
|
mkdir tmp
|
|
echo `date` "Running bootstrap..."
|
scripts/mysql_install_db --no-defaults --basedir=`pwd` --lc-messages-dir=`pwd`/share --character-sets-dir=`pwd`/share/charsets --tmpdir=`pwd`/tmp --datadir=`pwd`/data --innodb_log_files_in_group=1 > `pwd`/boot.log 2>&1
|
|
cp -r data data.bootstrap
|
|
echo `date` "Starting server on port $port..."
|
`pwd`/bin/mysqld --no-defaults --basedir=`pwd` --lc-messages-dir=`pwd`/share --character-sets-dir=`pwd`/share/charsets --tmpdir=`pwd`/tmp --core-file --datadir=`pwd`/data --port=$port --socket=`pwd`/mysql.sock --pid-file=`pwd`/mysql.pid --innodb-encryption-threads=4 --loose-innodb_scrub_log=ON --log-error=`pwd`/mysql.err &
|
|
res=1;
|
echo `date` "Waiting for the server to start..."
|
for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ; do
|
sleep 1
|
`pwd`/bin/mysqladmin -uroot --socket=`pwd`/mysql.sock ping 2>/dev/null
|
# `pwd`/bin/mysqladmin --socket=`pwd`/mysql.sock ping 2>/dev/null
|
if [ $? == 0 ] ; then
|
echo "Success"
|
res=0
|
break
|
fi
|
done
|
if [ $res == 1 ] ; then
|
echo `date` "Failed to start the server"
|
break
|
fi
|
echo `date` "Trying to shut down the server..."
|
`pwd`/bin/mysql -uroot --socket=`pwd`/mysql.sock -e shutdown 2>/dev/null
|
# `pwd`/bin/mysql --socket=`pwd`/mysql.sock -e shutdown 2>/dev/null
|
if [ $? != 0 ] ; then
|
echo `date` "Shut down failed on some reason"
|
break
|
else
|
echo `date` "Success"
|
fi
|
fg
|
done
|
The problem happens interchangeably with MDEV-18370 and MDEV-20475, they're likely to be related.
|