Freeze on bootup after upgrading to new kernels

[Horst Heck]

Dear all,
today I updated my bfh-linux-system via apt-get (Hardware is a Lenovo
Thinkpad Yoga 12).
Besides other packages it updated the kernels 4.4 and 3.16
After the update,I cannot boot these kernels any more.
The boot process simply get stuck at the screen showing the Debian logo
and the system does not react any more. (Same effect for both kernels.)

Right now I am using kernel 4.2 which did not update.

Does anybody experience problems with kernel 3.16 or 4.4 after update?
Does anybody have a clue how to fix the problem?

Since the system just freezes, I do not have any idea where to start
searching for the reason of the problem.

Best regards
Horst

-- 
Berner Fachhochschule
Department TI, Fachbereich MNG
Dr. habil. Horst Heck, Professor für Mathematik
Institut für Human Centered Engineering
Tel.: +41 34 426 68 40

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