------- Comment From mauri...@br.ibm.com 2018-04-26 13:57 EDT------- The skiroot kernel build is available at: http://dorno.rch.stglabs.ibm.com/~mauricfo/kernel/skiroot/bz166588/zImage.epapr_4.15.14-openpower1.bz166588c132
(In reply to comment #200) > Dwip and I talked, and we don't feel there is anything new to be learned by > changing focus to petitboot right now. [...] Since the build was already in progress, I'll post it here, just in case it might still help. You can flash it as described in bug 167103 comment 22 on systems with secure-boot _disabled_ (bug bug 167103 comment 30), i.e., there is no 'secure-enabled' property in device tree. Copying the instructions here for reference: # ls /proc/device-tree/ibm,secureboot/secure-enabled ls: cannot access '/proc/device-tree/ibm,secureboot/secure-enabled': No such file or directory # lsprop /proc/device-tree/ibm,secureboot/ compatible "ibm,secureboot-v2" hw-key-hash-size 00000040 (64) hw-key-hash 40d487ff 7380ed6a d54775d5 795fea0d e2f541fe a9db06b8 466a42a3 20e65f75 b4866546 0017d907 515dc2a5 f9fc5095 4d6ee0c9 b67d219d fb708535 1d01d6d1 phandle 00000086 (134) name "ibm,secureboot" On Petitboot: / # uname -r 4.13.16-openpower1 / # wget -O zImage.epapr http://dorno.rch.stglabs.ibm.com/~mauricfo/kernel/skiroot/bz166588/zImage.epapr_4.15.14-openpower1.bz166588c132 / # pflash -e -p zImage.epapr -P BOOTKERNEL About to erase 0x017e1000..0x02ca5478 ! WARNING ! This will modify your HOST flash chip content ! Enter "yes" to confirm:yes <...> / # reboot <...> EXPECTED: / # uname -r 4.15.14-openpower1.bz166588c132 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1762844 Title: ISST-LTE:KVM:Ubuntu1804:BostonLC:boslcp3: Host crashed & enters into xmon after moving to 4.15.0-15.16 kernel To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-power-systems/+bug/1762844/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs