group.of.nepali.translators team mailing list archive

["Guilherme G. Piccoli" <1845048@xxxxxxxxxxxxxxxxxx>]

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

** Also affects: makedumpfile (Ubuntu Eoan)
   Importance: Undecided
       Status: New

** Also affects: makedumpfile (Ubuntu Focal)
   Importance: Low
       Status: Triaged

** Also affects: makedumpfile (Ubuntu Bionic)
   Importance: Undecided
       Status: New

** Changed in: makedumpfile (Ubuntu Xenial)
     Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli)

** Changed in: makedumpfile (Ubuntu Bionic)
     Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli)

** Changed in: makedumpfile (Ubuntu Eoan)
     Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli)

** Changed in: makedumpfile (Ubuntu Focal)
     Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli)

** Changed in: makedumpfile (Ubuntu Focal)
   Importance: Low => Medium

** Changed in: makedumpfile (Ubuntu Eoan)
   Importance: Undecided => Medium

** Changed in: makedumpfile (Ubuntu Bionic)
   Importance: Undecided => Medium

** Changed in: makedumpfile (Ubuntu Xenial)
   Importance: Undecided => Medium

** Changed in: makedumpfile (Ubuntu Xenial)
       Status: New => Confirmed

** Changed in: makedumpfile (Ubuntu Bionic)
       Status: New => Confirmed

** Changed in: makedumpfile (Ubuntu Eoan)
       Status: New => Confirmed

** Changed in: makedumpfile (Ubuntu Focal)
       Status: Triaged => Confirmed

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https://bugs.launchpad.net/bugs/1845048

Title:
  /etc/default/kdump-tools KDUMP_SYSCTL does not set sysctl params

Status in makedumpfile package in Ubuntu:
  Confirmed
Status in makedumpfile source package in Xenial:
  Confirmed
Status in makedumpfile source package in Bionic:
  Confirmed
Status in makedumpfile source package in Eoan:
  Confirmed
Status in makedumpfile source package in Focal:
  Confirmed

Bug description:
  [impact]

  Documentation, and past behavior, for kdump-tools was that the
  KDUMP_SYSCTL variable in the /etc/default/kdump-tools file would be
  applied to the system kernel params at kdump 'load'.  However this is
  no longer true, and those params are no longer applied to the system's
  kernel param settings.

  [test case]

  install linux-crashdump (and kdump-tools).

  Edit the /etc/default/kdump-tools file to set the KDUMP_SYSCTL param
  to something other than default, e.g.:

  KDUMP_SYSCTL="kernel.panic_on_oops=1 kernel.panic_on_warn=1"

  reboot, or unload/reload kdump, to pick up the changes to the file.

  Check if the panic_on_warn param is set:

  $ cat /proc/sys/kernel/panic_on_warn
  0

  the problem does not seem to be with sysctl, as manually calling it
  does work:

  $ KDUMP_SYSCTL="kernel.panic_on_oops=1 kernel.panic_on_warn=1"
  $ cat /proc/sys/kernel/panic_on_warn
  0
  $ sudo sysctl -w $KDUMP_SYSCTL
  kernel.panic_on_oops = 1
  kernel.panic_on_warn = 1
  $ cat /proc/sys/kernel/panic_on_warn
  1

  [regression potential]

  TBD

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