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Not a crucial issue, it's just annoying when it happens. My computer has a great chance to fail in resuming from hibernation. When it happens, the console prints the following info and then hangs:

[timestamps] PM: Using 3 thread(s) for decompression.
[timestamps] PM: Loading and decompressing image data
[timestamps] PM: Image Loading progress: ??%
[timestamps] Switched to clocksource tsc
[timestamps] random: nonblocking pool is initialized
[timestamps] PM: Image loading done.
[timestamps] serial 00:05: disabled
[timestamps] PM: quiesce of devices complete after 0.387 msec
[timestamps] PM: late quiesce of devices complete after 0.140 msec
[timestamps] PM: noirq quiesce of devices complete after 0.307 msec
[timestamps] Disable non-boot CPUs...
[timestamps] Intel_pstate CPU1 exiting
[timestamps] smpboot: CPU1 is now offline
[timestamps] Disable non-boot CPUs...
[timestamps] Intel_pstate CPU2 exiting
[timestamps] smpboot: CPU2 is now offline
[timestamps] Disable non-boot CPUs...
[timestamps] Intel_pstate CPU3 exiting
[timestamps] smpboot: CPU3 is now offline

My OS is Xubuntu 14.04.3, kernel version is 3.19.0-28-generic if that matters.

My PC specs: i3 4170, Gigabyte B85M-D3V-A, G.Skill 8G ram and Nvidia GT 630 with nvidia 352 driver installed.

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3 Answers 3

Reset to default
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This might be a kernel bug. I have this problem with kernel 3.19 and Ubuntu mainline kernel v4.2.3. Downgrading to 3.16 apparently solves the problem.

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Unfortunately, hibernate doesn't work in many cases, which can cause you to lose data if you expect your documents and applications to re-open when you switch your computer back on. Therefore, hibernate is disabled by default.

You can find more information about how to fix your problem at Ubuntu Wiki - Debugging Kernel Hibernate.

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The same bug on ASUS K401L with Ubuntu 14.04.3 running on kernel 3.19.0 and 4.1.13. There is a 1/3 probability of resume failure.

If the resume failed, system will hang with the console output below

Disabling non-boot CPUs...
intel_pstate CPU 1 exiting
smpboot: CPU 1 is now offline
intel_pstate CPU 2 exiting
smpboot: CPU 2 is now offline
intel_pstate CPU 3 exiting
smpboot: CPU 3 is now offline

Just downgraded to 3.16, it seems work well, but may need further tests.

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  • I have used kernel 3.16 for more than a month and everything runs flawlessly. Since my hardware is not cutting edge, using a relative old kernel is not a problem.
    – hrzhu
    Nov 18, 2015 at 6:23

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