This bug has been copied from bug #1285601 and has been proposed
to be backported to 7.3 z-stream (EUS).
Created attachment 1261521 [details]
/etc/zipl.conf before installing new kernel
Created attachment 1261522 [details]
/etc/zipl.conf after installing new kernel
Created attachment 1261523 [details]
Created attachment 1261524 [details]
Retested with grubby-8.28-21.el7_3 and this bug is fixed. The default boot entry "without debugging" doesn't contain any debug boot parameters and it's above the entry "with debugging".
Tested on x86_64, ppc64, ppc64le and s390x.
Moving to VERIFIED.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.