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  1. Bug #1994601
  2. Comment #16

Comment 16 for bug 1994601

Revision history for this message
bugproxy (bugproxy) wrote : Comment bridged from LTC Bugzilla

------- Comment From <email address hidden> 2022-10-26 14:29 EDT-------
(In reply to comment #21)
> Hi Harald, see my previous comment - I could recreate this on z15 now (but
> it's fine on z13).
> So seems to be related to (z14) z15 and newer?!

We do patch the kernel depending on hardware level and enable newer instructions. Given Haralds finding of using static key before it is initialized might indicate a problem with that.

Frank, can you build a kernel with
commit 95e61b1b5d6394b53d147c0fcbe2ae70fbe09446
Author: Vasily Gorbik <email address hidden>
AuthorDate: Thu Jun 18 17:17:19 2020 +0200
Commit: Heiko Carstens <email address hidden>
CommitDate: Mon Jun 29 16:28:39 2020 +0200

s390/setup: init jump labels before command line parsing

and check if this helps?