** Changed in: linux (Ubuntu) Status: Triaged => Fix Committed ** Changed in: linux (Ubuntu Xenial) Status: Triaged => Fix Committed
-- 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: Fix Committed Status in linux source package in Xenial: Fix Committed 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Power 8 822L OS- Ubuntu 14.04 ppc64el previous kernel 3.19.0.68 Nova Compute host using kvm - Openstack Liberty HWE was out of date so needed to update Steps: sudo apt-get install linux-generic-lts-xenial linux-image-generic-lts-xenial sudo init 6 sudo apt update sudo apt upgrade sudo init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