Bug#774036: Kernel testing facility

[Rainer Dorsch <ml@bokomoko.de>]

Hi,

I have one additional information, when following the "Kernel testing 
facility" description in

https://wiki.debian.org/Suspend

freezer
    test the freezing of processes 
devices
    test the freezing of processes and suspending of devices 
platform
    test the freezing of processes, suspending of devices and platform global 
control methods(*) 
processors
    test the freezing of processes, suspending of devices, platform global 
control methods and the disabling of nonboot CPUs 
core
    test the freezing of processes, suspending of devices, platform global 
control methods, the disabling of nonboot CPUs and suspending of 
platform/system devices 

On my system

# echo freezer > /sys/power/pm_test
# dmesg > dmesg_before; echo mem > /sys/power/state; dmesg > dmesg_after

resumes successfully.

# echo devices > /sys/power/pm_test
# dmesg > dmesg_before; echo mem > /sys/power/state; dmesg > dmesg_after

does not resume anymore and shows the issue described before.

Or to be precise: the screen shows a blinking cursor, when it reaches the hang 
situation during suspend.

This is different than what I would have expected, it seems that not only 
powering off does not work (then I would have expected an issue in the last 
step of the sequence described above.


Here I am stuck now, please let me know if there is more information I can 
provide.

Thanks,
Rainer