@thorsten If I understand correctly cio_ignore command needs to be on the running instance that is about to crash, rather than on the re-exec kernel. Thus it needs to be computed and added to e.g. /etc/zipl.conf. At the moment we do not generate/update /etc/zipl.conf in an automated way, but the more I think about it the better it sounds to e.g. able to specify all crashdump parameters, computed cio_ignore, correct root= argument, and generate menu items for every installed ubuntu kernel (rather than just the last one), and recovery stanzas too. I'll open a wishlist bug about that.
BTW, does it make sense to compute and use `cio_ignore -k -u` generated command line by default? on one hand kernel will use less memory, on the other hand `lszdev` will be quite empty and one will have a harder time to discover additional devices one can bring online. I have, for now, added things to https://wiki.ubuntu.com/S390X -> feel free to edit and/or improve that. And I will open a new bug report to get those updates into the Ubuntu Server Guide. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1564475 Title: 128M is not enough for kdump on s390 LPARs To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1564475/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
