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[Bug 1651518] Re: systemd/logind parsing problem: HTX exercisers stopped on error: rc 11, errno 11 from main(): pthread_create

To: group.of.nepali.translators@xxxxxxxxxxxxxxxxxxx
From: Steve Langasek <steve.langasek@xxxxxxxxxxxxx>
Date: Fri, 06 Jan 2017 01:11:32 -0000
Reply-to: Bug 1651518 <1651518@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
The indicated upstream patch, f50582649f8eee73f59aff95fadd9a963ed4ffea,
does not apply cleanly against systemd 229.  Are there known
prerequisites for this patch?

** Also affects: systemd (Ubuntu Xenial)
   Importance: Undecided
       Status: New

** Also affects: systemd (Ubuntu Yakkety)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1651518

Title:
  systemd/logind parsing problem: HTX exercisers stopped on error: rc
  11, errno 11 from main(): pthread_create

Status in systemd package in Ubuntu:
  New
Status in systemd source package in Xenial:
  New
Status in systemd source package in Yakkety:
  New

Bug description:
  == Comment: #1 - Application Cdeadmin <cdeadmin@xxxxxxxxxx> -
  2016-12-19 04:15:10 ==

  Configuration: IBM 8001-22C (S822LC), LSI SAS adapters, SMC 4U90 disk
  drawers, HDD (180) 7.3TB

  Problem: HTX exercisers stopped on error, with HTX log showing "rc 11,
  errno 11 from main(): pthread_create"

  htxubuntu-425

  lpar: busybee.aus.stglabs.ibm.com (root/ lab passwd)

  root@busybee:~# uname -a
  Linux busybee 4.4.0-51-generic #72-Ubuntu SMP Thu Nov 24 18:27:59 UTC 2016 ppc64le ppc64le ppc64le GNU/Linux

  root@busybee:~# cat /tmp/htxerr

  /dev/sdh          Dec 12 23:52:42 2016 err=0000000b sev=1 hxestorage
  rc 11, errno 11 from main(): pthread_create

  /dev/sdh          Dec 12 23:52:42 2016 err=0000000b sev=1 hxestorage
  Hardware Exerciser stopped on an error

  /dev/sdao         Dec 12 23:52:42 2016 err=0000000b sev=1 hxestorage
  rc 11, errno 11 from main(): pthread_create

  /dev/sdao         Dec 12 23:52:42 2016 err=0000000b sev=1 hxestorage
  Hardware Exerciser stopped on an error

  /dev/sddx         Dec 12 23:52:42 2016 err=0000000b sev=1 hxestorage
  rc 11, errno 11 from main(): pthread_create

  /dev/sddx         Dec 12 23:52:42 2016 err=0000000b sev=1 hxestorage
  Hardware Exerciser stopped on an error

  /dev/sdcz         Dec 12 23:52:42 2016 err=0000000b sev=1 hxestorage
  rc 11, errno 11 from main(): pthread_create

  /dev/sdcz         Dec 12 23:52:42 2016 err=0000000b sev=1 hxestorage
  Hardware Exerciser stopped on an error

  /dev/sddp         Dec 12 23:52:42 2016 err=0000000b sev=1 hxestorage
  rc 11, errno 11 from main(): pthread_create

  /dev/sddp         Dec 12 23:52:42 2016 err=0000000b sev=1 hxestorage
  Hardware Exerciser stopped on an error

  No errors logged in syslog after starting HTX:

  ==== State: Open by: asperez on 16 December 2016 10:28:02 ====
  This error recreated on the smaller 1U Open Power system with the same smaller 1-adapter/1-4U90 drawer/90 HDD. There are 2 cables connected to the drawer (one to each ESM) that requires multipath enabled. 

  lpar: yellowbee

  root@yellowbee:~# cat /tmp/htxerr

  /dev/sdao         Dec 16 01:14:44 2016 err=0000000b sev=1 hxestorage
  rc 11, errno 11 from main(): pthread_create

  /dev/sdak         Dec 16 01:14:44 2016 err=0000000b sev=1 hxestorage
  rc 11, errno 11 from main(): pthread_create

  /dev/sdt          Dec 16 01:14:44 2016 err=0000000b sev=1 hxestorage
  rc 11, errno 11 from main(): pthread_create

  /dev/sdaz         Dec 16 01:14:44 2016 err=0000000b sev=1 hxestorage
  rc 11, errno 11 from main(): pthread_create

  /dev/sdn          Dec 16 01:14:44 2016 err=0000000b sev=1 hxestorage
  rc 11, errno 11 from main(): pthread_create

  /dev/sdv          Dec 16 01:14:44 2016 err=0000000b sev=1 hxestorage
  rc 11, errno 11 from main(): pthread_create

  /dev/sdaj         Dec 16 01:14:44 2016 err=0000000b sev=1 hxestorage
  rc 11, errno 11 from main(): pthread_create

  /dev/sdal         Dec 16 01:14:44 2016 err=0000000b sev=1 hxestorage
  rc 11, errno 11 from main(): pthread_create

  ==== State: Open by: cde00 on 19 December 2016 02:48:46 ====

  This defect will go to Linux as even after making the below 2 changes
  in systemd resource limit, errors are seen:

  root@yellowbee:/etc/systemd/logind.conf.d# cat htxlogindcustom.conf
  [Login]
  UserTasksMax=infinity
  root@yellowbee:/etc/systemd/logind.conf.d# cat ../system.conf.d/htxsystemdcustom.conf
  [Manager]
  DefaultTasksAccounting=yes
  DefaultTasksMax=infinity

  root@yellowbee:/etc/systemd/logind.conf.d#

  logind limit for MaxUserTask as well as systemd limit was made infinite.
  Please look defect SW363655 for more details and the suggestion given earlier by Linux team.

  errors are still seen. So, would ask Linux team to take a look and see if anything else is causing these
  errors.

  == Comment: #3 - Kevin W. Rudd <ruddk@xxxxxxxxxx> - 2016-12-19 17:34:27 ==
  It appears that the version of logind on this system does not support the value of "infinity", and is reverting to the default of 12288: 

  # cat /sys/fs/cgroup/pids/user.slice/user-0.slice/pids.max
  12288

  As a workaround until this can be resolved, specify an exact value.
  You can try using the current system thread-max value:

  # cat /proc/sys/kernel/threads-max
  3974272

  /etc/systemd/logind.conf.d/htxlogindcustom.conf:
  [Login]
  UserTasksMax=3974272

  == Comment: #4 - Kevin W. Rudd - 2016-12-20 10:25:09 ==

  Canonical,

  This issue appears to map to the following systemd bug and patch:

  https://github.com/systemd/systemd/issues/3833

  https://github.com/systemd/systemd/commit/f50582649f8eee73f59aff95fadd9a963ed4ffea

  This patch appears to be included in debian/232-7, but is missing in
  the xenial and yakkety versions.

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