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[Launchpad Bug Tracker <1570678@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package percona-xtradb-cluster-5.6 -
5.6.21-25.8-0ubuntu3.2

---------------
percona-xtradb-cluster-5.6 (5.6.21-25.8-0ubuntu3.2) xenial; urgency=medium

  * d/p/fix_tc_log_initlization_on_ppc64.patch: Fix log-tc-size for bigger
    page sizes to fix crash on ppc64el (LP: #1570678)

 -- Rafael David Tinoco <rafael.tinoco@xxxxxxxxxxxxx>  Sun, 17 Jul 2016
00:47:50 +0000

** Changed in: percona-xtradb-cluster-5.6 (Ubuntu Xenial)
       Status: Fix Committed => Fix Released

** Changed in: percona-xtradb-cluster-5.5 (Ubuntu Trusty)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1570678

Title:
  mysqld got signal 11 during setting up root password on package
  installation on ppc64el

Status in Percona XtraDB Cluster:
  New
Status in percona-xtradb-cluster-5.6 package in Ubuntu:
  Fix Released
Status in percona-xtradb-cluster-5.5 source package in Trusty:
  Fix Released
Status in percona-xtradb-cluster-5.6 source package in Xenial:
  Fix Released
Status in percona-cluster package in Juju Charms Collection:
  Confirmed

Bug description:
  [Impact]

   * Percona Server won't install correctly in ppc64le architecture.

  [Test Case]

   * Install percona server in ppc64le and follow postinst dialog
  screen.

  [Regression Potential]

   * Fix is based in upstream commit.
   * Fix removes ASSERT that makes mysql process to fail because of wrong page-size.

  [Other Info]

  Summary: comment #18 summarizes comments from Fernando and Trent.

  #### Original Description:

  I put the root password with debconf dialogue, but it shows an error:

  > Unable to set password for the Percona Server "root" user
  >
  > An error occurred while setting the password for the Percona Server administrative user. This may have happened because the account already has a password, or because of a
  > communication problem with the Percona Server daemon.
  >
  > You should check the account's password after the package installation.
  > Please read the /usr/share/doc/mysql-server-5.5/README.Debian file for more information.

  [/var/log/mysql/error.log]
  https://launchpadlibrarian.net/253894853/error.log
  160415  3:55:09 Percona XtraDB (http://www.percona.com) 5.5.37-35.0-35.0 started; log sequence number 0
  03:55:09 UTC - 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.
  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.
  Please help us make Percona XtraDB Cluster better by reporting any
  bugs at  https://bugs.launchpad.net/percona-xtradb-cluster

  key_buffer_size=16777216
  read_buffer_size=131072
  max_used_connections=0
  max_threads=153
  thread_count=0
  connection_count=0
  It is possible that mysqld could use up to
  key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 351266 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 = 0 thread_stack 0x30000
  /usr/sbin/mysqld(my_print_stacktrace+0x44)[0x385cbcf4]
  /usr/sbin/mysqld(handle_fatal_signal+0x500)[0x384171c0]
  [0x3fffb5470478]
  /usr/sbin/mysqld(_ZN11TC_LOG_MMAP4openEPKc+0x6f4)[0x384ffd54]
  /usr/sbin/mysqld(_ZN11TC_LOG_MMAP4openEPKc+0x2cc)[0x384ff92c]
  /usr/sbin/mysqld(+0x2a5e1c)[0x38225e1c]
  /usr/sbin/mysqld(_Z11mysqld_mainiPPc+0x808)[0x38228f58]
  /usr/sbin/mysqld(main+0x20)[0x382062d0]
  /lib/powerpc64le-linux-gnu/libc.so.6(+0x24d00)[0x3fffb4cd4d00]
  /lib/powerpc64le-linux-gnu/libc.so.6(__libc_start_main+0xc8)[0x3fffb4cd4ef8]
  You may download the Percona XtraDB Cluster operations manual by visiting
  http://www.percona.com/software/percona-xtradb-cluster/. You may find information
  in the manual which will help you identify the cause of the crash.

  Installed mysqld can be accessed without password.

  $ mysql -u root
  Welcome to the MySQL monitor.  Commands end with ; or \g.
  Your MySQL connection id is 2
  Server version: 5.5.37-35.0 Percona XtraDB Cluster (GPL), Release 35.0 (Ubuntu), wsrep_25.10.rXXXX

  Copyright (c) 2009-2014 Percona LLC and/or its affiliates
  Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved.

  Oracle is a registered trademark of Oracle Corporation and/or its
  affiliates. Other names may be trademarks of their respective
  owners.

  Type 'help;' or '\h' for help. Type '\c' to clear the current input
  statement.

  mysql> Bye

  ProblemType: BugDistro
  Release: Ubuntu 14.04
  Package: percona-xtradb-cluster-server-5.5 5.5.37-25.10+dfsg-0ubuntu0.14.04.1
  ProcVersionSignature: Ubuntu 4.2.0-35.40~14.04.1-generic 4.2.8-ckt5
  Uname: Linux 4.2.0-35-generic ppc64le
  NonfreeKernelModules: xfs dm_multipath scsi_dh nbd ebtable_filter ebtables ip6table_filter ip6_tables kvm_hv kvm xt_recent ipt_REJECT nf_reject_ipv4 nf_log_ipv4 nf_log_common xt_LOG xt_limit xt_addrtype xt_conntrack veth xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack xt_tcpudp iptable_filter ip_tables x_tables bridge stp llc ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi dm_crypt ofpart cmdlinepart joydev input_leds mac_hid at24 powernv_flash opal_prd mtd ipmi_powernv ipmi_msghandler uio_pdrv_genirq uio powernv_rng mlx4_en vxlan ip6_udp_tunnel udp_tunnel hid_generic usbhid hid uas usb_storage ast syscopyarea sysfillrect sysimgblt i2c_algo_bit ttm drm_kms_helper bnx2x drm mlx4_core aacraid ahci libahci mdio libcrc32c
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: ppc64el
  Date: Fri Apr 15 02:42:19 2016
  ProcLoadAvg: 1.22 2.08 1.80 2/2802 3293
  ProcSwaps:
   Filename				Type		Size	Used	Priority
   /swap.img                               file		8388544	0	-1
  ProcVersion: Linux version 4.2.0-35-generic (buildd@bos01-ppc64el-002) (gcc version 4.8.2 (Ubuntu 4.8.2-19ubuntu1) ) #40~14.04.1-Ubuntu SMP Wed Mar 16 17:53:38 UTC 2016SourcePackage: percona-xtradb-cluster-5.5
  UpgradeStatus: No upgrade log present (probably fresh install)
  cpu_cores: Number of cores present = 10
  cpu_coreson: Number of cores online = 10
  cpu_smt: SMT=8

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