------- Comment From cborn...@de.ibm.com 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 <g...@linux.ibm.com>
AuthorDate: Thu Jun 18 17:17:19 2020 +0200
Commit:     Heiko Carstens <h...@linux.ibm.com>
CommitDate: Mon Jun 29 16:28:39 2020 +0200

s390/setup: init jump labels before command line parsing

and check if this helps?

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1994601

Title:
  [UBUNTU 18.04] Ubuntu 18.04 crashes during IPL

Status in Ubuntu on IBM z Systems:
  Incomplete
Status in linux package in Ubuntu:
  Confirmed

Bug description:
  ---Problem Description---
  Ubuntu 18.04 crashes during IPL with no output on the console.

   
  Contact Information = Viktor Mihajlovski <mihaj...@de.ibm.com> 
   
  ---uname output---
  n/a
   
  Machine Type = 3096 
   
  ---Debugger---
  A debugger is not configured
   
  ---Steps to Reproduce---
   Install Ubuntu 18.04 as a KVM guest using the following command:

  virt-install -n bionic --cdrom
  /var/lib/libvirt/images/ubuntu-18.04.5-server-s390x.iso --memory 2048
  --disk size=8

  then reboot.
   
  Stack trace output:
   no
   
  Oops output:
   no

  == Comment: #1 - Viktor Mihajlovski <mihaj...@de.ibm.com> - 2022-10-25 
10:48:30 ==
  Installing under z/VM leads to the same failure.

  == Comment: #2 - Viktor Mihajlovski <mihaj...@de.ibm.com> - 2022-10-25 
10:55:10 ==
  I have captured a dump using virsh dump --memory-only. The output of crash 
log is uploaded

  == Comment: #7 - Harald Freudenberger <fre...@de.ibm.com> - 2022-10-26 
07:33:52 ==
  Looks like all ubuntu 18.04 installations on s390 are not working any more.
  It is not an issue with z14 but z17 also fails to run a fresh installed 
ubuntu 18.04.

  == Comment: #8 - Harald Freudenberger <fre...@de.ibm.com> - 2022-10-26 
08:25:52 ==
  when I use the 'advanced installation' where I am able to choose the kernel 
package and then choose the 4.15.0-50 generic the installed Ubuntu 18.04 comes 
up fine. So this issue is somewhere between kernel 4.15.0-50 and 4.15.0-194.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu-z-systems/+bug/1994601/+subscriptions


-- 
Mailing list: https://launchpad.net/~kernel-packages
Post to     : kernel-packages@lists.launchpad.net
Unsubscribe : https://launchpad.net/~kernel-packages
More help   : https://help.launchpad.net/ListHelp

Reply via email to