Can't resume ThinkPad from suspend

[poma]

On 28.01.2014 16:44, poma wrote:
> On 28.01.2014 14:10, Suvayu Ali wrote:
>> On Mon, Jan 27, 2014 at 03:50:53PM +0100, poma wrote:
>>> On 27.01.2014 14:46, Suvayu Ali wrote:
>>> …
>>>> How do I debug this?  How can I get more information why the resume
>>>> fails?  Thanks for any ideas.
>>>
>>> First check S3/resume without X11,
>>> # systemctl set-default multi-user.target
>>> # systemctl isolate multi-user.target
>>> # systemctl suspend
>>> # dmesg -> ACPI & PM
>>
>> Same problem, can't resume.  Have to force a reboot.
> 
> # grep CONFIG_PM_DEBUG /boot/config-$(uname -r)
> CONFIG_PM_DEBUG=y
> 
> # cat /sys/power/pm_test
> [none] core processors platform devices freezer
> 
> # echo core > /sys/power/pm_test
> # cat /sys/power/pm_test
> none [core] processors platform devices freezer
> # dmesg > dmesg_before-S3-core; echo mem > /sys/power/state; dmesg >
> dmesg_after-resume-core
> 
> # echo processors > /sys/power/pm_test
> # cat /sys/power/pm_test
> none core [processors] platform devices freezer
> # dmesg > dmesg_before-S3-procs; echo mem > /sys/power/state; dmesg >
> dmesg_after-resume-procs
> 
> # echo devices > /sys/power/pm_test
> # cat /sys/power/pm_test
> none core processors platform [devices] freezer
> # dmesg > dmesg_before-S3-devices; echo mem > /sys/power/state; dmesg >
> dmesg_after-resume-devices

Besides check whether this item affects resume,
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poma