Comment # 1 on bug 103489 from Michel Dänzer

(In reply to oschowa from comment #0)
> Bisecting produced d050f8ed14494ea23c6e10b5893010946ef0f78b as the first bad
> commit, although on this commit the machine hangs immediatly after boot, so
> it might be a different issue.

Since you can't test that commit for this problem, you should run

 git bisect skip

for it, not "bad". Does the following commit boot and exhibit the problem?