Created attachment 524420 [details]
use device name for the root= parameter
anaconda writes wrong device (in fact it's path to kernel image) instead of the device where root filesystem resides
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David, I happened to write a patch for this when it first came in, but I never took the bug. I realized today, after posting the patch for review, that it's assigned to you. Surely you don't mind one less s390 bug.
This was fixed in anaconda-17.2-1.