[Bug 1491063] [PATCH] Stop kexec service before flashing

Mon Nov 2 11:11:58 UTC 2015

Default Comment by Bridge

** Attachment added: "[PATCH] Stop kexec service before flashing"
   https://bugs.launchpad.net/bugs/1491063/+attachment/4511082/+files/0002-update_flash-Stop-kexec-service-before-starting-firm.patch

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https://bugs.launchpad.net/bugs/1491063

Title:
  [LTCTest][opal][FW840] Firmware updation using update_flash -f option
  does not work when kexec.service is running

Status in powerpc-ibm-utils package in Ubuntu:
  Fix Released

Bug description:
  ---Problem Description---
  Firmware updation using update_flash -f option does not work when kexec.service is running

  ---uname output---
  Linux p824l 4.1.0-1-generic #1-Ubuntu SMP Mon Jul 20 19:37:16 UTC 2015 ppc64le ppc64le ppc64le GNU/Linux

  Machine Type = P8 

  ---Steps to Reproduce---
  Install a P8 PowerNV 8247-42L Hardware with Ubuntu 15.10.
  Then I am trying to update the firmware with update_flash tool.

  root at p824l:~# /etc/init.d/kdump-tools status
  ? kdump-tools.service - Kernel crash dump capture service
     Loaded: loaded (/lib/systemd/system/kdump-tools.service; enabled; vendor preset: enabled)
     Active: active (exited) since Thu 2015-07-23 01:42:42 CDT; 1min 33s ago
    Process: 4128 ExecStart=/etc/init.d/kdump-tools start (code=exited, status=0/SUCCESS)
   Main PID: 4128 (code=exited, status=0/SUCCESS)

  Jul 23 01:42:41 p824l kdump-tools[4128]: Starting kdump-tools: Modified cmdline:root=UUID=287d4c41-6900-46fd-bf28-9a2da94bfbff ro quiet splash 3 ...r=155520K
  Jul 23 01:42:41 p824l kdump-tools[4128]: segment[0].mem:0x8000000 memsz:24969216
  Jul 23 01:42:41 p824l kdump-tools[4128]: segment[1].mem:0x97d0000 memsz:65536
  Jul 23 01:42:41 p824l kdump-tools[4128]: segment[2].mem:0x97e0000 memsz:65536
  Jul 23 01:42:41 p824l kdump-tools[4128]: segment[3].mem:0x97f0000 memsz:65536
  Jul 23 01:42:41 p824l kdump-tools[4128]: segment[4].mem:0x9800000 memsz:24182784
  Jul 23 01:42:41 p824l kdump-tools[4128]: segment[5].mem:0x2ffa0000 memsz:393216
  Jul 23 01:42:42 p824l kdump-tools[4128]: * loaded kdump kernel
  Jul 23 01:42:42 p824l kdump-tools[4153]: /sbin/kexec -p --args-linux --command-line="root=UUID=287d4c41-6900-46fd-bf28-9a2da94bfbff ro quiet spla...1-generic
  Jul 23 01:42:42 p824l systemd[1]: Started Kernel crash dump capture service.
  Hint: Some lines were ellipsized, use -l to show in full.

  root at p824l:~# /etc/init.d/kexec status
  ? kexec.service - LSB: Execute the kexec -e command to reboot system
     Loaded: loaded (/etc/init.d/kexec)
     Active: active (exited) since Thu 2015-07-23 01:40:14 CDT; 4min 8s ago
       Docs: man:systemd-sysv-generator(8)
    Process: 3660 ExecStart=/etc/init.d/kexec start (code=exited, status=0/SUCCESS)

  Jul 23 01:40:14 p824l systemd[1]: Starting LSB: Execute the kexec -e command to reboot system...
  Jul 23 01:40:14 p824l systemd[1]: Started LSB: Execute the kexec -e command to reboot system.

  root at p824l:~# uname -a
  Linux p824l 4.1.0-1-generic #1-Ubuntu SMP Mon Jul 20 19:37:16 UTC 2015 ppc64le ppc64le ppc64le GNU/Linux

  root at p824l:~# cat /etc/os-release
  NAME="Ubuntu"
  VERSION="15.10 (Wily Werewolf)"
  ID=ubuntu
  ID_LIKE=debian
  PRETTY_NAME="Ubuntu Wily Werewolf (development branch)"
  VERSION_ID="15.10"
  HOME_URL="http://www.ubuntu.com/"
  SUPPORT_URL="http://help.ubuntu.com/"
  BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/"

  root at p824l:~# update_flash -f 01SV840_020_020.img
  info: Current Temporary side will be committed to
  Permanent side before being replaced with the new
  image.

  Projected Flash Update Results:
  Current T Image: SV840_019
  Current P Image: SV840_016
  New T Image:     SV840_020
  New P Image:     SV840_019

  FLASH: Image ready...rebooting the system...
  FLASH: This will take several minutes.
  FLASH: Do not power off!
  PolicyKit daemon disconnected from the bus.
  We are no longer a registered authentication agent.
  login as: ubuntu
  ubuntu at 9.70.88.203's password:
  Access denied
  ubuntu at 9.70.88.203's password:
  Welcome to Ubuntu Wily Werewolf (development branch) (GNU/Linux 4.1.0-1-generic ppc64le)

   * Documentation:  https://help.ubuntu.com/

    System information as of Thu Jul 23 01:46:28 CDT 2015

    System load:  0.49                Processes:                 979
    Usage of /:   1.0% of 1004.84GB   Users logged in:           0
    Memory usage: 0%                  IP address for enP3p9s0f0: 9.70.88.203
    Swap usage:   0%

    Graph this data and manage this system at:
      https://landscape.canonical.com/

  Last login: Thu Jul 23 01:40:47 2015 from pavsubra.in.ibm.com

  Userspace tool common name: /usr/sbin/update_flash 

  The userspace tool has the following bit modes: 64-bit 

  Workaround:

  In the mean time, you can stop kdump service and do the FW update..
  That should work ..

  Sample output with patch:
  ----------------------------------------

   ./update_flash -v -f /home/hegdevasant/01SV840_032_032.img 
  info: Current fixpack level is unknown.

  Projected Flash Update Results:
  Current T Image: UNKNOWN
  Current P Image: SV840_031
  New T Image:     SV840_032
  New P Image:     SV840_031

  info: kexec service is running. It will be stopped before flashing.

  ./update_flash  -f /home/hegdevasant/01SV840_032_032.img 
  info: Current fixpack level is unknown.

  Projected Flash Update Results:
  Current T Image: UNKNOWN
  Current P Image: SV840_031
  New T Image:     SV840_032
  New P Image:     SV840_031

  FLASH: Image ready...rebooting the system...
  FLASH: This will take several minutes.
  FLASH: Do not power off!

  info: kexec service stopped.

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