I think this is a clone of https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1773162. Can someone please test with the following kernel?
http://kernel.ubuntu.com/~jsalisbury/lp1773162 -- 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/1773973 Title: Ubuntu 18.04 [ Garrison P8 ]: Machine crashes with oops while booting with 4.15.0-22-generic kernel. Status in The Ubuntu-power-systems project: New Status in debian-installer package in Ubuntu: New Status in linux package in Ubuntu: Incomplete Status in debian-installer source package in Bionic: New Status in linux source package in Bionic: Incomplete Bug description: ---Problem Description--- Ubuntu 18.04 [ Garrison P8 ]: Machine crashes with oops while booting with 4.15.0-22-generic kernel. ---Environment-- Kernel Build: 4.15.0-22-generic System Name : ltc-garri1 Model/Type : P8 Platform : BML ---Uname output--- Unable to boot. ---Steps to reproduce-- 1. Install Ubuntu 18.04 on Garison BML from http://ports.ubuntu.com /ubuntu-ports/dists/bionic/main/installer- ppc64el/current/images/netboot/ubuntu-installer/ppc64el/ and try to boot. ---Logs---- Attaching console lob. [ 4.578205] Bad kernel stack pointer 7ffffb0dd870 at c00000000000b9ec [ 4.578244] Oops: Bad kernel stack pointer, sig: 6 [#11] [ 4.578271] LE SMP NR_CPUS=2048 NUMA PowerNV [ 4.578301] Modules linked in: [ 4.578324] CPU: 27 PID: 1225 Comm: modprobe Tainted: G D 4.15.0-22-generic #24-Ubuntu [ 4.578371] NIP: c00000000000b9ec LR: 0000000000000000 CTR: 0000000000000000 [ 4.578413] REGS: c00000003febbd40 TRAP: 0300 Tainted: G D (4.15.0-22-generic) [ 4.578460] MSR: 9000000000001031 <SF,HV,ME,IR,DR,LE> CR: 00000000 XER: 00000000 [ 4.578504] CFAR: c00000000000b934 DAR: 000000000002b200 DSISR: 40000000 SOFTE: -4611686018403131680 [ 4.578504] GPR00: 0000000000000000 00007ffffb0dd870 0000000000000000 0000000000000000 [ 4.578504] GPR04: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 4.578504] GPR08: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 4.578504] GPR12: 000075dcd8781700 000000000002b200 0000000000000000 0000000000000000 [ 4.578504] GPR16: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 4.578504] GPR20: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 4.578504] GPR24: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 4.578504] GPR28: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 4.615667] NIP [c00000000000b9ec] fast_exception_return+0x9c/0x184 [ 4.616210] LR [0000000000000000] (null) [ 4.616237] Call Trace: [ 4.616768] Instruction dump: [ 4.616789] e84101a0 7c4ff120 e8410170 7c5a03a6 e8010070 e8410080 e8610088 e8810090 [ 4.617697] e8210078 7db243a6 7db142a6 7c0004ac <e9ad0000> 63ff0000 7db242a6 63ff0000 [ 4.618195] ---[ end trace a0d70ba94f583cca ]--- [ 4.675899] usb 1-3.3: new high-speed USB device number 5 using xhci_hcd [ 4.782923] [ 4.783061] Key type encrypted registered [ 4.783087] AppArmor: AppArmor sha1 policy hashing enabled [ 4.783117] ima: No TPM chip found, activating TPM-bypass! (rc=-19) [ 4.783181] evm: HMAC attrs: 0x1 [ 4.806062] rtc-opal opal-rtc: setting system clock to 2018-05-29 07:49:29 UTC (1527580169) [ 4.806350] integrity: Unable to open file: /etc/keys/x509_ima.der (-2) [ 4.806353] integrity: Unable to open file: /etc/keys/x509_evm.der (-2) [ 4.807260] Freeing unused kernel memory: 4800K [ 4.807321] This architecture does not have kernel memory protection. == Comment: #2 - SEETEENA THOUFEEK <sthou...@in.ibm.com> - 2018-05-29 06:47:06 == Symptoms looks exactly like . https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1691978 . https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1656908 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-power-systems/+bug/1773973/+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
