Uploaded image for project: 'MariaDB Server'
  1. MariaDB Server
  2. MDEV-29321

Percona XtraDB 5.7 can't be upgrade to MariaDB 10.6 or above




      If one first installs Percona XtraDB 5.7 and after that tries to upgrade to MariaDB 10.6 server SigSEGV with signal 11. Backtrace for the crash is:

      #0  trx_rseg_t::get (err=0x7ffeecd0122c, mtr=0x7ffeecd01840, this=0x5576091a1100 <trx_sys+16768>) at ./storage/innobase/trx/trx0rseg.cc:293
      #1  trx_rseg_update_wsrep_checkpoint (xid=<optimized out>, mtr=0x7ffeecd01840) at ./storage/innobase/trx/trx0rseg.cc:155
      #2  0x0000557608821946 in trx_rseg_array_init () at ./storage/innobase/trx/trx0rseg.cc:638
      #3  0x0000557608827d29 in trx_lists_init_at_db_start () at ./storage/innobase/trx/trx0trx.cc:718
      #4  0x00005576080f7cff in srv_start (create_new_db=<optimized out>) at ./storage/innobase/srv/srv0start.cc:1470
      #5  0x0000557608718611 in innodb_init (p=<optimized out>) at ./storage/innobase/handler/ha_innodb.cc:4317
      #6  0x000055760845a8b4 in ha_initialize_handlerton (plugin=0x55760b43cb20) at ./sql/handler.cc:659
      #7  0x000055760824712b in plugin_initialize (tmp_root=tmp_root@entry=0x7ffeecd072e0, plugin=plugin@entry=0x55760b43cb20, argc=argc@entry=0x55760922c7a0 <remaining_argc>, argv=argv@entry=0x55760b404930, 
          options_only=options_only@entry=false) at ./sql/sql_plugin.cc:1465
      #8  0x0000557608248423 in plugin_init (argc=argc@entry=0x55760922c7a0 <remaining_argc>, argv=<optimized out>, flags=0) at ./sql/sql_plugin.cc:1758
      #9  0x00005576081711cd in init_server_components () at ./sql/mysqld.cc:5091
      #10 0x0000557608176d27 in mysqld_main (argc=<optimized out>, argv=<optimized out>) at ./sql/mysqld.cc:5708
      #11 0x00007fa7d6ddc09b in __libc_start_main (main=0x55760811dd90 <main(int, char**)>, argc=2, argv=0x7ffeecd09d48, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, 
          stack_end=0x7ffeecd09d38) at ../csu/libc-start.c:308
      #12 0x000055760816b21a in _start () at ./sql/mysqld.cc:4521

      This is probably something to WSRep (as in backtrace) but when runnign Percona XtraDB there is some additional WSRep plugin which is not available when running plain MariaDB.

      /usr/sbin/mysqld --basedir=/usr --datadir=/var/lib/mysql --plugin-dir=/usr/lib/mysql/plugin --user=mysql --wsrep-provider=/usr/lib/galera3/libgalera_smm.so --log-error=/var/log/mysqld.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/run/mysqld/mysqld.sock --wsrep_start_position=00000000-0000-0000-0000-000000000000:-1

      This bug has happen between current release and release before that. To test this it's easiest to use Podman or Docker Debian 10 (Buster) image and run script

      sed -i "s/101/0/g" -i /usr/sbin/policy-rc.d
      echo -e '#!/bin/sh\necho "N 5"' > /sbin/runlevel
      chmod +x /sbin/runlevel
      echo 'debconf debconf/frontend select Noninteractive' | debconf-set-selections
      apt-get update
      apt-get install --no-install-recommends --yes gpg gpg-agent dirmngr ca-certificates
      apt-key adv --recv-keys --keyserver hkps://keyserver.ubuntu.com:443 9334A25F8507EFA5
      echo "deb https://repo.percona.com/apt/ buster main" > /etc/apt/sources.list.d/mysql.list
      apt-get update
      apt-get install -y percona-xtradb-cluster-full-57 percona-xtrabackup-24 percona-toolkit pmm2-client
      apt-get install apt-transport-https curl
      curl -o /etc/apt/trusted.gpg.d/mariadb_release_signing_key.asc 'https://mariadb.org/mariadb_release_signing_key.asc'
      sh -c "echo 'deb https://mirrors.xtom.ee/mariadb/repo/10.6/debian buster main' >>/etc/apt/sources.list"
      apt-get update
      apt-get install mariadb-server

      Server crashes event with `--help`

      root@0912b3e1389f:/build# mariadbd --user=root --help --verbose
      2022-08-18  7:48:44 0 [Note] InnoDB: Compressed tables use zlib 1.2.11
      2022-08-18  7:48:44 0 [Note] InnoDB: Number of pools: 1
      2022-08-18  7:48:44 0 [Note] InnoDB: Using crc32 + pclmulqdq instructions
      2022-08-18  7:48:44 0 [Note] mariadbd: O_TMPFILE is not supported on /tmp (disabling future attempts)
      2022-08-18  7:48:44 0 [Note] InnoDB: Initializing buffer pool, total size = 134217728, chunk size = 134217728
      2022-08-18  7:48:44 0 [Note] InnoDB: Completed initialization of buffer pool
      220818  7:48:44 [ERROR] mysqld got signal 11 ;
      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: 10.6.10-MariaDB-1:10.6.10+maria~deb10
      It is possible that mysqld could use up to 
      key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 467959 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...
      stack_bottom = 0x0 thread_stack 0x49000
      Printing to addr2line failed
      The manual page at https://mariadb.com/kb/en/how-to-produce-a-full-stack-trace-for-mysqld/ contains
      information that should help you find out what is causing the crash.
      Writing a core file...
      Working directory at /var/lib/mysql
      Resource Limits:
      Limit                     Soft Limit           Hard Limit           Units     
      Max cpu time              unlimited            unlimited            seconds   
      Max file size             unlimited            unlimited            bytes     
      Max data size             unlimited            unlimited            bytes     
      Max stack size            8388608              unlimited            bytes     
      Max core file size        unlimited            unlimited            bytes     
      Max resident set          unlimited            unlimited            bytes     
      Max processes             unlimited            unlimited            processes 
      Max open files            1048576              1048576              files     
      Max locked memory         65536                65536                bytes     
      Max address space         unlimited            unlimited            bytes     
      Max file locks            unlimited            unlimited            locks     
      Max pending signals       11539                11539                signals   
      Max msgqueue size         819200               819200               bytes     
      Max nice priority         0                    0                    
      Max realtime priority     0                    0                    
      Max realtime timeout      unlimited            unlimited            us        
      Core pattern: |/bin/false
      Kernel version: Linux version 5.14.21-150400.22-default (geeko@buildhost) (gcc (SUSE Linux) 7.5.0, GNU ld (GNU Binutils; SUSE Linux Enterprise 15) 2.37.20211103-150100.7.29) #1 SMP PREEMPT_DYNAMIC Wed May 11 06:57:18 UTC 2022 (49db222)
      Segmentation fault (core dumped)


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              marko Marko Mäkelä
              illuusio Tuukka Pasanen
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