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[Bug 1415562] Comment bridged from LTC Bugzilla


------- Comment From hbathini@xxxxxxxxxx 2015-02-03 05:35 EDT-------
(In reply to comment #10)
> Here is a built version of the debian makedumpfile for ppc64el:
> http://people.canonical.com/~arges/lp1415562/
> Note that I did a few changes to the original patch:
> The changes I have made were:
> - Don't rename load/unload to start/stop
> - Less verbose  descriptions
> - Minor changes to logic and removal of extra echos
> If someone has a kernel with the CONFIG changes handy could they verify this
> package?
> In addition, we should ensure that _both_ modes are possible on ppc64el
> (kdump/fadump).
> Thanks

I don't see any fadump related changes in the kdump-tools_1.5.7-5_all.deb shared.
Can you please check if the correct package is shared?


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  [Ubuntu 15.04] Support firmware assisted dump on ppc64le

Status in linux package in Ubuntu:
Status in makedumpfile package in Ubuntu:
  In Progress

Bug description:
  Starting from POWER6, the firmware now has a capability to preserve
  the partition memory dump during system crash and boot into a fresh
  copy of the kernel with fully-reset system. This feature adds the
  necessary support to exploit the dump capture capability provided by
  Power firmware.  With this feature support, the production kernel will
  register for firmware-assisted dump using RTAS (Runtime Abstraction
  Service) calls and builds required ELF header which then gets exported
  through '/proc/vmcore' in the second kernel after crash.  This feature
  improves Power serviceability by making it more robust compared to
  current kdump mechanism on Linux.

  Ubuntu 15.04 kernel already includes the necessary code for fadump.
  The only kernel change needed is to enable CONFIG_FA_DUMP in the
  kernel configuration. In addition, an update is needed for a script in
  kdump-tools package.

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