I am having similar kernel message in a HP XW9400 workstation.
I have no machine freezes and until now I can still use the machine.
[159882.429604] [ cut here ]
[159882.429623] WARNING: CPU: 6 PID: 22042 at
/build/linux-0XAgc4/linux-4.4.0/mm/rmap.c:231
I also encounter random failures resuming from suspend on 14.04
("4.4.0-64-generic #85~14.04.1-Ubuntu SMP Mon Feb 20 12:10:54 UTC 2017
x86_64 x86_64 x86_64 GNU/Linux"). Latitude E5570, fresh install (as of a
week ago). No blinking caps lock, though.
I just cycled through suspend-resume several
I tested with:
4.6.0-040600rc4-generic #201604172330 SMP Mon Apr 18 03:32:32 UTC 2016
x86_64 x86_64 x86_64 GNU/Linux
I can confirm that this one does not hang during resume after trying
about ten times.
Two times out of 10 I got this in dmesg:
[ 77.422675] [ cut here
I just bought the machine a couple of days ago and installed Xenial
straight away so I havent' had a working kernel on this.
I was thinking about installing a mainline build earlier but did not get
to it. Then I discovered that the battery life on this thing is pretty
amazing. I can use it
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
v4.6
** Tags added: kernel-bug resume suspend
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https://bugs.launchpad.net/bugs/1570484
Title:
Resuming from suspend on Lenovo ThinkPad X1 Carbon 4th gen does not
work
** Summary changed:
- Resuming from suspend on Lenovo X1 Carbon 4th gen does not work reliably
+ Resuming from suspend on Lenovo ThinkPad X1 Carbon 4th gen does not work
reliably
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