** Tags added: cscc
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https://bugs.launchpad.net/bugs/1789018
Title:
/sys/power/state miss "disk"
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** Changed in: linux (Ubuntu)
Status: Incomplete => Invalid
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https://bugs.launchpad.net/bugs/1789018
Title:
/sys/power/state miss "disk"
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Thx for information from Kai-Heng Feng. After disable secure boot,
kernel lockdown is inactive. And then “disk” appear in /sys/power/state,
and hibernation function normal.
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[1.855894] Lockdown: Hibernation is restricted; see man
kernel_lockdown.7
commit 49b04f8acc7788778a360e7462353a86eaffca53
Author: David Howells
Date: Wed May 24 14:56:00 2017 +0100
UBUNTU: SAUCE: (efi-lockdown) Add the ability to lock down access to the
running kernel image
Did this issue start happening after an update/upgrade? Was there a
prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.19
