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SubjectRe: [PATCH 2/2] kmsg_dump: adding to reboot, halt, poweroff and emergency_restart path
>  We need to know the reason why system rebooted in support service.
> However, we can't inform our customers of the reason because
> final messages are lost on current Linux kernel.
> This patch improves the situation above because the final messages
> are saved by adding kmsg_dump() to reboot, halt, poweroff and
> emergency_restart path.
> Signed-off-by: Seiji Aguchi <>

This patch doesn't have any notification consumer. It's too bad.
As far as I know, some poeple are now discussing to make generic
firmware access interface. perhaps your one can be integrate it.
Please see and join following discussion.

From: "Luck, Tony" <>
Subject: [RFC] persistent store

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