I am reading
https://wiki.ubuntu.com/DebuggingKernelSuspendHibernateResume#Information_Gathering
and will try to anser the questions
Did the machine break while going to sleep or waking up?
It happens when it is going to sleep. The machine did not actually
sleeps.
Is it reproducible?
Yes. Most of time, closing the lid three times can reproduce the bug.
Sometimes, it can take up to more or less 10 times but three times is
the most common scenario.
Did it work before?
To be honest, I do not remember. I used Ubuntu 11.10 for a brief period
of time before using 12.04 and I do not remember if it happened this
time. However, I am confident it is happening at least since I updated
to 12.04 or since some period slight after it.
Do you end up with flashing Caps Lock light or similar?
No. Actually, the "sleep" light indicator at the right bottom of the
back of the monitor keeps flashing.
Hibernate specific information
I already posted a syslog file, so I bet it is not needed to post the
output of dmesg
$ cat /proc/cmdline
BOOT_IMAGE=/boot/vmlinuz-3.2.0-29-generic-pae
root=UUID=91914df5-686c-4f84-8fa1-9673d494d1f3 ro quiet splash vt.handoff=7
$ cat /etc/initramfs-tools/conf.d/resume
RESUME=UUID=893dd64c-87cc-4db6-8202-e196074addf4
I will keep trying to reproduce/isolate/debug the problem.
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https://bugs.launchpad.net/bugs/1030387
Title:
Closing notebook lid can log user out, breaks network manager and more
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