This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1712626 and then change the status of the bug to 'Confirmed'. If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'. This change has been made by an automated script, maintained by the Ubuntu Kernel Team. ** Changed in: linux (Ubuntu) Status: New => Incomplete ** Tags added: xenial -- 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/1712626 Title: Cannot launch virtual instance on nova host after upgrading to kernel 4.4.0.92- works with 4.4.0.83 Status in linux package in Ubuntu: Incomplete Bug description: Host -- IBM Power 8 822L OS- Ubuntu 14.04 ppc64el previous kernel 3.19.0.68 Nova Compute host using kvm - Openstack Liberty HWE was out of date so needed to update Steps: sudo apt-get install linux-generic-lts-xenial linux-image-generic-lts-xenial sudo init 6 sudo apt update sudo apt upgrade sudo init 6 afterwards - system seemed ok - kernel 4.4.0.92 installed However, launching a Ubuntu VM failed Aug 23 11:38:25 rcsnode03 kernel: [ 3270.246360] Facility 'TM' unavailable, exception at 0xd0000000189f85a0, MSR=9000000000009033 Aug 23 11:38:25 rcsnode03 kernel: [ 3270.246374] Oops: Unexpected facility unavailable exception, sig: 6 [#1] Aug 23 11:38:25 rcsnode03 kernel: [ 3270.246379] SMP NR_CPUS=2048 NUMA PowerNV Aug 23 11:38:25 rcsnode03 kernel: [ 3270.246385] Modules linked in: vhost_net vhost macvtap macvlan xt_REDIRECT nf_nat_redirect xt_mark xt_nat ip6table_raw nf_conntrack_ipv6 xt_CT xt_mac xt_comment xt_physdev br_netfilter iptable_raw veth xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat nf_conntrac k_ipv4 nf_defrag_ipv4 xt_conntrack ipt_REJECT nf_reject_ipv4 xt_tcpudp ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter ip_tables x_tables vport_gre ip_gre ip_tunnel gre nbd kvm_hv kvm ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi openvswitch nf_defrag_ipv6 nf_conn track dm_crypt bridge stp llc dm_multipath uio_pdrv_genirq ipmi_powernv ipmi_msghandler uio ibmpowernv powernv_rng vmx_crypto leds_powernv ses enclosure bnx2x vxlan ip6_udp_ tunnel udp_tunnel mdio libcrc32c ipr Aug 23 11:38:25 rcsnode03 kernel: [ 3270.246500] CPU: 96 PID: 52779 Comm: qemu-system-ppc Not tainted 4.4.0-92-generic #115~14.04.1-Ubuntu Aug 23 11:38:25 rcsnode03 kernel: [ 3270.246506] task: c000001e228dcf60 ti: c000001e229f4000 task.ti: c000001e229f4000 Aug 23 11:38:25 rcsnode03 kernel: [ 3270.246511] NIP: d0000000189f85a0 LR: d0000000188a2584 CTR: d0000000189f84f0 Aug 23 11:38:25 rcsnode03 kernel: [ 3270.246516] REGS: c000001e229f7840 TRAP: 0f60 Not tainted (4.4.0-92-generic) Aug 23 11:38:25 rcsnode03 kernel: [ 3270.246519] MSR: 9000000000009033 <SF,HV,EE,ME,IR,DR,RI,LE> CR: 28022448 XER: 00000000 Aug 23 11:38:25 rcsnode03 kernel: [ 3270.246534] CFAR: d0000000189f8534 SOFTE: 1 Aug 23 11:38:25 rcsnode03 kernel: [ 3270.246534] GPR00: d0000000188a2584 c000001e229f7ac0 d000000018a0c7f8 c000001c4c680000 Aug 23 11:38:25 rcsnode03 kernel: [ 3270.246534] GPR04: c000001c53080000 c000001e229f7bc0 0000000000000000 0000000000040000 Aug 23 11:38:25 rcsnode03 kernel: [ 3270.246534] GPR08: 0000000000000001 c000001e228dcf60 0000000000000000 d0000000188a7518 Aug 23 11:38:25 rcsnode03 kernel: [ 3270.246534] GPR12: d0000000189f84f0 c00000000fb79000 00003fff7d74ed40 00003fff7d74f3d0 Aug 23 11:38:25 rcsnode03 kernel: [ 3270.246534] GPR16: 00003fff7cf50000 0000000000000000 0000000000000003 00003fff7d750010 Aug 23 11:38:25 rcsnode03 kernel: [ 3270.246534] GPR20: 00000000100c0570 000001000f6ebba0 0000000000800000 00003fff85644330 Aug 23 11:38:25 rcsnode03 kernel: [ 3270.246534] GPR24: 0000000000000000 00003fff7cf30028 00000000d4f6d401 0000000000000010 Aug 23 11:38:25 rcsnode03 kernel: [ 3270.246534] GPR28: 0000000000000000 c000001c4c680000 c000001c4c680000 c000001c53080000 Aug 23 11:38:25 rcsnode03 kernel: [ 3270.246594] NIP [d0000000189f85a0] kvmppc_vcpu_run_hv+0xb0/0x610 [kvm_hv] Aug 23 11:38:25 rcsnode03 kernel: [ 3270.246606] LR [d0000000188a2584] kvmppc_vcpu_run+0x44/0x60 [kvm] Aug 23 11:38:25 rcsnode03 kernel: [ 3270.246610] Call Trace: Aug 23 11:38:25 rcsnode03 kernel: [ 3270.246617] [c000001e229f7ac0] [c0000000000ca294] recalc_sigpending+0x24/0x90 (unreliable) Aug 23 11:38:25 rcsnode03 kernel: [ 3270.246630] [c000001e229f7b70] [d0000000188a2584] kvmppc_vcpu_run+0x44/0x60 [kvm] Aug 23 11:38:25 rcsnode03 kernel: [ 3270.246642] [c000001e229f7ba0] [d00000001889f274] kvm_arch_vcpu_ioctl_run+0x64/0x180 [kvm] Aug 23 11:38:25 rcsnode03 kernel: [ 3270.246653] [c000001e229f7be0] [d000000018893898] kvm_vcpu_ioctl+0x5e8/0x7c0 [kvm] Aug 23 11:38:25 rcsnode03 kernel: [ 3270.246661] [c000001e229f7d40] [c0000000002ef7d0] do_vfs_ioctl+0x4d0/0x7e0 Aug 23 11:38:25 rcsnode03 kernel: [ 3270.246667] [c000001e229f7de0] [c0000000002efbb4] SyS_ioctl+0xd4/0xf0 Aug 23 11:38:25 rcsnode03 kernel: [ 3270.246673] [c000001e229f7e30] [c000000000009204] system_call+0x38/0xb4 Aug 23 11:38:25 rcsnode03 kernel: [ 3270.246677] Instruction dump: Aug 23 11:38:25 rcsnode03 kernel: [ 3270.246681] e92d02a0 e9290a50 e9290108 792807e3 41820058 e92d02a0 e9290a50 e9290108 Aug 23 11:38:25 rcsnode03 kernel: [ 3270.246690] 792ae8a4 794a1f87 40820508 e92d02a0 <7d4022a6> f9490ee8 e92d02a0 7d4122a6 Aug 23 11:38:25 rcsnode03 kernel: [ 3270.246705] ---[ end trace df289857e3c4915a ]--- Installing kernel 4.4.0.83 and booting off it resolved issue. Problem seems to be related to post 4.4.0.83 kernels To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1712626/+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