Changing Memory from 100GB to 50GB ====================================== root@tuleta4u-lp9:~# kdump-config status current state : ready to kdump root@tuleta4u-lp9:~# df -Th Filesystem Type Size Used Avail Use% Mounted on udev devtmpfs 49G 0 49G 0% /dev tmpfs tmpfs 9.8G 17M 9.8G 1% /run /dev/md0 ext4 92G 2.0G 85G 3% / tmpfs tmpfs 49G 0 49G 0% /dev/shm tmpfs tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs tmpfs 49G 0 49G 0% /sys/fs/cgroup tmpfs tmpfs 9.8G 0 9.8G 0% /run/user/1000 root@tuleta4u-lp9:~# echo "c" > /proc/sysrq-trigger [ 652.063684] sysrq: SysRq : Trigger a crash [ 652.063711] Unable to handle kernel paging request for data at address 0x00000000 [ 652.063716] Faulting instruction address: 0xc000000000714218 [ 652.063722] Oops: Kernel access of bad area, sig: 11 [#1] [ 652.063726] SMP NR_CPUS=2048 [ 652.063726] NUMA [ 652.063730] pSeries [ 652.063735] Modules linked in: rpadlpar_io rpaphp dccp_diag dccp tcp_diag udp_diag inet_diag unix_diag af_packet_diag netlink_diag pseries_rng vmx_crypto binfmt_misc ib_iser rdma_cm iw_cm ib_cm ib_core configfs iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi autofs4 btrfs raid10 raid1 raid0 multipath linear raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c ibmvscsi crc32c_vpmsum [ 652.063775] CPU: 2 PID: 2179 Comm: bash Not tainted 4.10.0-27-generic #30~16.04.2-Ubuntu [ 652.063781] task: c000000c562bb800 task.stack: c000000c5ae20000 [ 652.063786] NIP: c000000000714218 LR: c00000000071535c CTR: c0000000007141e0 [ 652.063791] REGS: c000000c5ae239d0 TRAP: 0300 Not tainted (4.10.0-27-generic) [ 652.063795] MSR: 8000000000009033 [ 652.063802] CR: 28242222 XER: 0000000f [ 652.063807] CFAR: c000000000008860 DAR: 0000000000000000 DSISR: 42000000 SOFTE: 1 [ 652.063807] GPR00: c00000000071535c c000000c5ae23c50 c0000000014ad100 0000000000000063 [ 652.063807] GPR04: c000000c7fd8ade8 c000000c7fd9fc50 800000400933b8b8 000000000000024f [ 652.063807] GPR08: 0000000000000007 0000000000000001 0000000000000000 00000000000026f7 [ 652.063807] GPR12: c0000000007141e0 c000000007b31200 ffffffffffffffff 0000000022000000 [ 652.063807] GPR16: 0000000010170dd0 0000010001a10528 0000000010140568 00000000100c7000 [ 652.063807] GPR20: 0000000000000000 000000001017dd78 0000000010140400 0000000000000000 [ 652.063807] GPR24: 00000000101532c0 000000001017b628 c00000000140a8c8 0000000000000004 [ 652.063807] GPR28: c00000000140ac88 0000000000000063 c00000000137dac4 0000000000000000 [ 652.063871] NIP [c000000000714218] sysrq_handle_crash+0x38/0x50 [ 652.063876] LR [c00000000071535c] __handle_sysrq+0xec/0x280 [ 652.063880] Call Trace: [ 652.063885] [c000000c5ae23c50] [c000000000baefac] printk+0x5c/0x70 (unreliable) [ 652.063892] [c000000c5ae23c70] [c00000000071535c] __handle_sysrq+0xec/0x280 [ 652.063898] [c000000c5ae23d10] [c000000000715b00] write_sysrq_trigger+0x70/0x90 [ 652.063906] [c000000c5ae23d40] [c000000000400a3c] proc_reg_write+0x8c/0xd0 [ 652.063913] [c000000c5ae23d70] [c00000000035a6e0] __vfs_write+0x40/0x80 [ 652.063919] [c000000c5ae23d90] [c00000000035c2b4] vfs_write+0xd4/0x270 [ 652.063925] [c000000c5ae23de0] [c00000000035df1c] SyS_write+0x6c/0x110 [ 652.063933] [c000000c5ae23e30] [c00000000000b184] system_call+0x38/0xe0 [ 652.063937] Instruction dump: [ 652.063941] 7c0802a6 f8010010 60000000 7c0802a6 f8010010 f821ffe1 3d220019 39496160 [ 652.063951] 39200001 912a0000 7c0004ac 39400000 <992a0000> 38210020 e8010010 7c0803a6 [ 652.063962] ---[ end trace 2853cebb28939de3 ]--- [ 652.169677] [ 652.169724] Sending IPI to other CPUs [ 652.179660] IPI complete [ 652.210130] kexec: Starting switchover sequence. I'm in purgatory [ 0.000000] Aligned nr_cpus to SMT=8, nr_cpu_ids = 8 [ 0.000000] Page sizes from device-tree: [ 0.000000] base_shift=12: shift=12, sllp=0x0000, avpnm=0x00000000, tlbiel=1, penc=0 [ 0.000000] base_shift=12: shift=16, sllp=0x0000, avpnm=0x00000000, tlbiel=1, penc=7 [ 0.000000] base_shift=12: shift=24, sllp=0x0000, avpnm=0x00000000, tlbiel=1, penc=56 [ 0.000000] base_shift=16: shift=16, sllp=0x0110, avpnm=0x00000000, tlbiel=1, penc=1 [ 0.000000] base_shift=16: shift=24, sllp=0x0110, avpnm=0x00000000, tlbiel=1, penc=8 [ 0.000000] base_shift=24: shift=24, sllp=0x0100, avpnm=0x00000001, tlbiel=0, penc=0 [ 0.000000] base_shift=34: shift=34, sllp=0x0120, avpnm=0x000007ff, tlbiel=0, penc=3 [ 0.000000] Using 1TB segments [ 0.000000] Initializing hash mmu with SLB [ 0.000000] Linux version 4.10.0-27-generic (buildd@bos01-ppc64el-015) (gcc version 5.4.0 20160609 (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.4) ) #30~16.04.2-Ubuntu SMP Thu Jun 29 16:06:52 UTC 2017 (Ubuntu 4.10.0-27.30~16.04.2-generic 4.10.17) [ 0.000000] Found initrd at 0xc000000009820000:0xc00000000a9fc524 [ 0.000000] Using pSeries machine description [ 0.000000] bootconsole [udbg0] enabled [ 0.000000] Partition configured for 8 cpus. [ 0.000000] CPU maps initialized for 8 threads per core -> smp_release_cpus() spinning_secondaries = 0 <- smp_release_cpus() [ 0.000000] ----------------------------------------------------- [ 0.000000] ppc64_pft_size = 0x1e [ 0.000000] phys_mem_size = 0x88000000 [ 0.000000] dcache_bsize = 0x80 [ 0.000000] icache_bsize = 0x80 [ 0.000000] cpu_features = 0x27fc7aec18500249 [ 0.000000] possible = 0x7fffffff18500649 [ 0.000000] always = 0x0000000018100040 [ 0.000000] cpu_user_features = 0xdc0065c2 0xef000000 [ 0.000000] mmu_features = 0x7c004001 [ 0.000000] firmware_features = 0x00000003c45bfc57 [ 0.000000] htab_hash_mask = 0x7fffff [ 0.000000] physical_start = 0x8000000 [ 0.000000] ----------------------------------------------------- [ 0.000000] numa: Initmem setup node 0 [mem 0x00000000-0x87ffffff] [ 0.000000] numa: NODE_DATA [mem 0x87fa2300-0x87fabfff] [ 0.000000] PPC64 nvram contains 15360 bytes [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000000000000-0x0000000087ffffff] [ 0.000000] DMA32 empty [ 0.000000] Normal empty [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000000000000-0x0000000087ffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x0000000087ffffff] [ 0.000000] percpu: Embedded 3 pages/cpu @c000000087d00000 s149272 r0 d47336 u262144 [ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Total pages: 34782 [ 0.000000] Policy zone: DMA [ 0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinux-4.10.0-27-generic root=UUID=4e2e82f4-8bda-4a94-84aa-0ced742e626c ro fadump=off fadump_reserve_mem=6144M irqpoll nr_cpus=1 nousb systemd.unit=kdump-tools.service elfcorehdr=155648K [ 0.000000] Misrouted IRQ fixup and polling support enabled [ 0.000000] This may significantly impact system performance [ 0.000000] PID hash table entries: 4096 (order: -1, 32768 bytes) [ 0.000000] Memory: 1949184K/2228224K available (12032K kernel code, 1600K rwdata, 3360K rodata, 4416K init, 3045K bss, 279040K reserved, 0K cma-reserved) [ 0.000000] SLUB: HWalign=128, Order=0-3, MinObjects=0, CPUs=8, Nodes=1 [ 0.000000] Hierarchical RCU implementation. [ 0.000000] Build-time adjustment of leaf fanout to 64. [ 0.000000] RCU restricting CPUs from NR_CPUS=2048 to nr_cpu_ids=8. [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=64, nr_cpu_ids=8 [ 0.000000] NR_IRQS:512 nr_irqs:512 16 [ 0.000006] clocksource: timebase: mask: 0xffffffffffffffff max_cycles: 0x761537d007, max_idle_ns: 440795202126 ns [ 0.000128] clocksource: timebase mult[1f40000] shift[24] registered [ 0.009897] Console: colour dummy device 80x25 [ 0.010002] console [hvc0] enabled [ 0.010002] console [hvc0] enabled [ 0.010051] bootconsole [udbg0] disabled [ 0.010051] bootconsole [udbg0] disabled [ 0.019787] pid_max: default: 32768 minimum: 301 [ 0.020206] Security Framework initialized [ 0.020215] Yama: becoming mindful. [ 0.029806] AppArmor: AppArmor initialized [ 0.030134] Dentry cache hash table entries: 262144 (order: 5, 2097152 bytes) [ 0.080020] Inode-cache hash table entries: 131072 (order: 4, 1048576 bytes) [ 0.100204] Mount-cache hash table entries: 8192 (order: 0, 65536 bytes) [ 0.100227] Mountpoint-cache hash table entries: 8192 (order: 0, 65536 bytes) [ 0.129885] ftrace: allocating 30714 entries in 12 pages [ 0.969859] EEH: pSeries platform initialized [ 0.969898] POWER8 performance monitor hardware support registered [ 1.020020] smp: Bringing up secondary CPUs ... [ 1.090124] smp: Brought up 1 node, 8 CPUs [ 1.090142] numa: Node 0 CPUs: 0-7 [ 1.109809] devtmpfs: initialized [ 1.539967] evm: security.selinux [ 1.539979] evm: security.SMACK64 [ 1.539982] evm: security.SMACK64EXEC [ 1.539985] evm: security.SMACK64TRANSMUTE [ 1.539988] evm: security.SMACK64MMAP [ 1.539991] evm: security.ima [ 1.539994] evm: security.capability [ 1.549817] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns [ 1.549836] futex hash table entries: 2048 (order: 2, 262144 bytes) [ 1.550222] NET: Registered protocol family 16 [ 1.559830] EEH: No capable adapters found [ 1.581823] cpuidle: using governor ladder [ 1.605967] cpuidle: using governor menu [ 1.606163] pstore: using zlib compression [ 1.606168] pstore: Registered nvram as persistent store backend [ 1.679809] PCI: Probing PCI hardware [ 1.679975] pseries-rng: Registering arch random hook. [ 1.732004] HugeTLB registered 16 MB page size, pre-allocated 0 pages [ 1.732017] HugeTLB registered 16 GB page size, pre-allocated 0 pages [ 1.750256] SCSI subsystem initialized [ 1.759937] vgaarb: loaded [ 1.759988] usbcore: registered new interface driver usbfs [ 1.760003] usbcore: registered new interface driver hub [ 1.760066] usbcore: registered new device driver usb [ 1.760091] pps_core: LinuxPPS API ver. 1 registered [ 1.760095] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 1.760103] PTP clock support registered [ 1.769966] NetLabel: Initializing [ 1.769976] NetLabel: domain hash size = 128 [ 1.769980] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 1.770005] NetLabel: unlabeled traffic allowed by default [ 1.770216] clocksource: Switched to clocksource timebase [ 2.029827] VFS: Disk quotas dquot_6.6.0 [ 2.029899] VFS: Dquot-cache hash table entries: 8192 (order 0, 65536 bytes) [ 2.030231] AppArmor: AppArmor Filesystem Enabled [ 2.099839] NET: Registered protocol family 2 [ 2.100096] TCP established hash table entries: 16384 (order: 1, 131072 bytes) [ 2.100154] TCP bind hash table entries: 16384 (order: 2, 262144 bytes) [ 2.100206] TCP: Hash tables configured (established 16384 bind 16384) [ 2.100223] UDP hash table entries: 2048 (order: 0, 65536 bytes) [ 2.100242] UDP-Lite hash table entries: 2048 (order: 0, 65536 bytes) [ 2.109836] NET: Registered protocol family 1 [ 2.109909] Unpacking initramfs... [ 11.250104] Freeing initrd memory: 18240K [ 11.520111] IOMMU table initialized, virtual merging enabled [ 12.089812] hv-24x7: read 1330 catalog entries, created 337 event attrs (0 failures), 169 descs [ 12.090225] audit: initializing netlink subsys (disabled) [ 12.099850] audit: type=2000 audit(1500015648.944:1): initialized [ 12.229895] Initialise system trusted keyrings [ 12.230090] workingset: timestamp_bits=38 max_order=15 bucket_order=0 [ 12.289847] zbud: loaded [ 12.310080] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 12.319882] fuse init (API version 7.26) [ 12.370182] Key type asymmetric registered [ 12.370195] Asymmetric key parser 'x509' registered [ 12.370240] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 246) [ 12.379856] io scheduler noop registered [ 12.379868] io scheduler deadline registered [ 12.379883] io scheduler cfq registered (default) [ 12.390037] Serial: 8250/16550 driver, 32 ports, IRQ sharing enabled [ 12.430224] Linux agpgart interface v0.103 [ 12.480179] loop: module loaded [ 12.489938] libphy: Fixed MDIO Bus: probed [ 12.489948] tun: Universal TUN/TAP device driver, 1.6 [ 12.489951] tun: (C) 1999-2004 Max Krasnyansky [ 12.490043] ibmveth 30000002 (unnamed net_device) (uninitialized): unable to change IPv4 checksum offload settings. 1 rc=4 [ 12.490051] ibmveth 30000002 (unnamed net_device) (uninitialized): unable to change IPv6 checksum offload settings. 1 rc=4 [ 12.490060] ibmveth 30000002 (unnamed net_device) (uninitialized): unable to change tso settings. 1 rc=4 [ 12.490214] PPP generic driver version 2.4.2 [ 12.499846] VFIO - User Level meta-driver version: 0.3 [ 12.510046] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 12.510078] ehci-pci: EHCI PCI platform driver [ 12.510110] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 12.510122] ohci-pci: OHCI PCI platform driver [ 12.510147] uhci_hcd: USB Universal Host Controller Interface driver [ 12.519945] mousedev: PS/2 mouse device common for all mice [ 12.520242] rtc-generic rtc-generic: rtc core: registered rtc-generic as rtc0 [ 12.520259] i2c /dev entries driver [ 12.530039] device-mapper: uevent: version 1.0.3 [ 12.530189] device-mapper: ioctl: 4.35.0-ioctl (2016-06-23) initialised: dm-devel@redhat.com [ 12.540039] ledtrig-cpu: registered to indicate activity on CPUs [ 12.549989] NET: Registered protocol family 10 [ 12.659880] Segment Routing with IPv6 [ 12.659915] NET: Registered protocol family 17 [ 12.659931] Key type dns_resolver registered [ 12.660209] registered taskstats version 1 [ 12.660224] Loading compiled-in X.509 certificates [ 12.739905] Loaded X.509 cert 'Build time autogenerated kernel key: 4685520476f523e486cbb01bc24d6a98a8d45f66' [ 12.739943] zswap: loaded using pool lzo/zbud [ 13.460226] Key type big_key registered [ 13.460244] Key type trusted registered [ 13.519974] Key type encrypted registered [ 13.519989] AppArmor: AppArmor sha1 policy hashing enabled [ 13.519996] ima: No TPM chip found, activating TPM-bypass! (rc=-19) [ 13.520028] evm: HMAC attrs: 0x1 [ 13.520159] rtc-generic rtc-generic: setting system clock to 2017-07-14 07:00:51 UTC (1500015651) [ 13.539904] Unable to open file: /etc/keys/x509_ima.der (-2) [ 13.539910] Unable to open file: /etc/keys/x509_evm.der (-2) [ 13.540259] Freeing unused kernel memory: 4416K [ 13.549810] This architecture does not have kernel memory protection. Loading, please wait... starting version 229 [ 13.949838] random: systemd-udevd: uninitialized urandom read (16 bytes read) [ 13.950059] random: systemd-udevd: uninitialized urandom read (16 bytes read) [ 13.950087] random: systemd-udevd: uninitialized urandom read (16 bytes read) [ 13.950117] random: systemd-udevd: uninitialized urandom read (16 bytes read) [ 13.970189] random: udevadm: uninitialized urandom read (16 bytes read) [ 13.979846] random: udevadm: uninitialized urandom read (16 bytes read) [ 13.980191] random: udevadm: uninitialized urandom read (16 bytes read) [ 13.990131] random: udevadm: uninitialized urandom read (16 bytes read) [ 13.999872] random: udevadm: uninitialized urandom read (16 bytes read) [ 14.000016] random: udevadm: uninitialized urandom read (16 bytes read) [ 15.070180] ibmveth 30000002 ibmveth2: renamed from eth0 [ 15.169870] ibmvscsi 30000013: SRP_VERSION: 16.a [ 27.594361] ibmvscsi 30000013: SRP_VERSION: 16.a [ 27.594604] ibmvscsi 30000013: Maximum ID: 64 Maximum LUN: 32 Maximum Channel: 3 [ 27.594612] scsi host0: IBM POWER Virtual SCSI Adapter 1.5.9 [ 27.599970] ibmvscsi 30000013: partner initialization complete [ 27.600025] ibmvscsi 30000013: host srp version: 16.a, host partition tuleta4u-vios (1), OS 3, max io 262144 [ 27.600122] ibmvscsi 30000013: Client reserve enabled [ 27.600135] ibmvscsi 30000013: sent SRP login [ 27.600190] ibmvscsi 30000013: SRP_LOGIN succeeded [ 27.629690] scsi 0:0:1:0: Direct-Access AIX VDASD 0001 PQ: 0 ANSI: 3 [ 27.630074] scsi 0:0:2:0: CD-ROM AIX VOPTA PQ: 0 ANSI: 4 [ 27.639987] scsi 0:0:3:0: CD-ROM AIX VOPTA PQ: 0 ANSI: 4 [ 28.849946] sd 0:0:1:0: Attached scsi generic sg0 type 0 [ 28.849988] sd 0:0:1:0: [sda] 492830720 512-byte logical blocks: (252 GB/235 GiB) [ 28.859644] sd 0:0:1:0: [sda] Write Protect is off [ 28.859738] sd 0:0:1:0: [sda] Cache data unavailable [ 28.859748] sd 0:0:1:0: [sda] Assuming drive cache: write through [ 28.859890] sr 0:0:2:0: [sr0] scsi-1 drive [ 28.859898] cdrom: Uniform CD-ROM driver Revision: 3.20 [ 28.869881] sr 0:0:2:0: Attached scsi generic sg1 type 5 [ 28.879803] sr 0:0:3:0: [sr1] scsi-1 drive [ 28.889720] sr 0:0:3:0: Attached scsi generic sg2 type 5 [ 28.909687] sda: sda1 sda3 sda4 sda5 sda6 sda7 [ 28.920040] sd 0:0:1:0: [sda] Attached SCSI disk [ 29.930217] raid6: altivecx1 gen() 240 MB/s [ 29.989804] raid6: altivecx2 gen() 441 MB/s [ 30.039802] raid6: altivecx4 gen() 507 MB/s [ 30.090223] raid6: altivecx8 gen() 441 MB/s [ 30.149831] raid6: int64x1 gen() 111 MB/s [ 30.199852] raid6: int64x1 xor() 31 MB/s [ 30.250224] raid6: int64x2 gen() 213 MB/s [ 30.309835] raid6: int64x2 xor() 69 MB/s [ 30.359809] raid6: int64x4 gen() 240 MB/s [ 30.410235] raid6: int64x4 xor() 59 MB/s [ 30.469836] raid6: int64x8 gen() 86 MB/s [ 30.519818] raid6: int64x8 xor() 33 MB/s [ 30.519832] raid6: using algorithm altivecx4 gen() 507 MB/s [ 30.519836] raid6: using intx1 recovery algorithm [ 30.549914] async_tx: api initialized (async) [ 30.580079] xor: measuring software checksum speed [ 30.649805] 8regs : 1104.000 MB/sec [ 30.710214] 8regs_prefetch: 1024.000 MB/sec [ 30.779807] 32regs : 1136.000 MB/sec [ 30.849797] 32regs_prefetch: 1024.000 MB/sec [ 30.910220] altivec : 1600.000 MB/sec [ 30.910231] xor: using function: altivec (1600.000 MB/sec) [ 31.200024] md0: WARNING: sda5 appears to be on the same physical disk as sda6. [ 31.200040] md0: WARNING: sda5 appears to be on the same physical disk as sda4. [ 31.200046] md0: WARNING: sda4 appears to be on the same physical disk as sda6. [ 31.200051] True protection against single-disk failure might be compromised. [ 31.200137] md/raid:md0: device sda6 operational as raid disk 2 [ 31.200142] md/raid:md0: device sda5 operational as raid disk 1 [ 31.200147] md/raid:md0: device sda4 operational as raid disk 0 [ 31.210236] md/raid:md0: raid level 5 active with 3 out of 3 devices, algorithm 2 [ 31.219846] md0: detected capacity change from 0 to 99933487104 [ 31.504307] random: fast init done Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/local-top ... done. Begin: Running /scripts/local-premount ... done. Begin: Will now check root file system ... fsck from util-linux 2.27.1 [/sbin/fsck.ext4 (1) -- /dev/md0] fsck.ext4 -a -C0 /dev/md0 /dev/md0: recovering journal /dev/md0: clean, 67610/6103040 files, 935949/24397824 blocks done. [ 37.150108] random: crng init done [ 37.329900] EXT4-fs (md0): mounted filesystem with ordered data mode. Opts: (null) done. Begin: Running /scripts/local-bottom ... done. Begin: Running /scripts/init-bottom ... done. [ 39.060254] systemd[1]: systemd 229 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ -LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD -IDN) [ 39.069990] systemd[1]: Detected architecture ppc64-le. Welcome to Ubuntu 16.04.2 LTS! [ 39.080261] systemd[1]: Set hostname to . [ 40.320011] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 40.330004] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 40.349915] systemd[1]: Created slice System Slice. [ OK ] Created slice System Slice. [ 40.359783] systemd[1]: Listening on Device-mapper event daemon FIFOs. [ OK ] Listening on Device-mapper event daemon FIFOs. [ 40.360073] systemd[1]: Listening on LVM2 metadata daemon socket. [ OK ] Listening on LVM2 metadata daemon socket. [ 40.369897] systemd[1]: Listening on LVM2 poll daemon socket. [ OK ] Listening on LVM2 poll daemon socket. [ 40.379766] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. [ OK ] Listening on Journal Socket (/dev/log). [ OK ] Listening on fsck to fsckd communication Socket. [ OK ] Reached target Encrypted Volumes. [ OK ] Set up automount Arbitrary Executab...ats File System Automount Point. [ OK ] Started Trigger resolvconf update for networkd DNS. [ OK ] Listening on Journal Socket. Starting Journal Service... Mounting Debug File System... Mounting POSIX Message Queue File System... Starting Set console scheme... Starting Create list of required st... nodes for the current kernel... Starting Monitoring of LVM2 mirrors... dmeventd or progress polling... Starting Load Kernel Modules... Starting Nameserver information manager... Starting Set console keymap... Mounting Huge Pages File System... [ OK ] Mounted POSIX Message Queue File System. [ OK ] Mounted Debug File System. [ OK ] Mounted Huge Pages File System. [ OK ] Started Set console scheme. [ OK ] Started Create list of required sta...ce nodes for the current kernel. [ 41.560230] Loading iSCSI transport class v2.0-870. [ 41.840211] iscsi: registered transport (tcp) [ OK ] Started Journal Service. [ OK ] Started Nameserver information manager. [ 43.009998] iscsi: registered transport (iser) [ OK ] Started Load Kernel Modules. Starting Apply Kernel Variables... Mounting FUSE Control File System... Mounting Configuration File System... [ OK ] Started LVM2 metadata daemon. [ OK ] Reached target Network (Pre). Starting Create Static Device Nodes in /dev... [ OK ] Mounted Configuration File System. [ OK ] Mounted FUSE Control File System. [ OK ] Started Apply Kernel Variables. [ OK ] Started Create Static Device Nodes in /dev. [ OK ] Started Set console keymap. Starting udev Kernel Device Manager... [ OK ] Started Monitoring of LVM2 mirrors,...ng dmeventd or progress polling. [ OK ] Started udev Kernel Device Manager. Starting Remount Root and Kernel File Systems... [ OK ] Started Remount Root and Kernel File Systems. Starting Load/Save Random Seed... Starting udev Coldplug all Devices... [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Set console font and keymap... Starting Tell Plymouth To Write Out Runtime Data... Starting LSB: AppArmor initialization... Starting Flush Journal to Persistent Storage... [ OK ] Started Load/Save Random Seed. [ OK ] Started Tell Plymouth To Write Out Runtime Data. [ OK ] Started Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Started Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Started Update UTMP about System Boot/Shutdown. [ OK ] Started udev Coldplug all Devices. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Time Synchronized. [ OK ] Started Dispatch Password Requests to Console Directory Watch. [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started LSB: AppArmor initialization. Starting Raise network interfaces... [ OK ] Started ifup for ibmveth2. [ OK ] Started Set console font and keymap. [ OK ] Found device /sys/subsystem/net/devices/ibmveth2. [ OK ] Found device VDASD 3. Activating swap /dev/disk/by-uuid/c...2-a1e1-4730-8ae4-6978b2cf0c9d... [ OK ] Activated swap /dev/disk/by-uuid/c2d6e8f2-a1e1-4730-8ae4-6978b2cf0c9d. [ OK ] Reached target Swap. [ OK ] Reached target System Initialization. [ OK ] Started Raise network interfaces. [ OK ] Reached target Network. [ OK ] Reached target Network is Online. Starting Kernel crash dump capture service... Starting iSCSI initiator daemon (iscsid)... [ OK ] Started iSCSI initiator daemon (iscsid). Starting Login to default iSCSI targets... [ OK ] Started Login to default iSCSI targets. [ OK ] Reached target Remote File Systems (Pre). [ 63.035691] kdump-tools[1270]: Starting kdump-tools: * running makedumpfile -c -d 31 /proc/vmcore /var/crash/201707140201/dump-incomplete Copying data : [ 0.1 %] \/usr/sbin/kdump-config: line 595: 1335 Bus error makedumpfile $MAKEDUMP_ARGS $vmcore_file $KDUMP_CORETEMP [ 82.406197] kdump-tools[1270]: * kdump-tools: makedumpfile failed, falling back to 'cp' [ 87.025312] kdump-tools[1270]: cp: error reading '/proc/vmcore': Bad address [ 87.045492] kdump-tools[1270]: * kdump-tools: failed to save vmcore in /var/crash/201707140201 [ 87.114722] kdump-tools[1270]: * running makedumpfile --dump-dmesg /proc/vmcore /var/crash/201707140201/dmesg.201707140201 [ 88.602176] kdump-tools[1270]: The kernel version is not supported. [ 88.622066] kdump-tools[1270]: The makedumpfile operation may be incomplete. [ 88.641734] kdump-tools[1270]: The dmesg log is saved to /var/crash/201707140201/dmesg.201707140201. [ 88.661445] kdump-tools[1270]: makedumpfile Completed. [ 88.671701] kdump-tools[1270]: * kdump-tools: saved dmesg content in /var/crash/201707140201 [ 90.797601] kdump-tools[1270]: Fri, 14 Jul 2017 02:02:09 -0500 [ 90.847089] kdump-tools[1270]: Rebooting. [ 93.150135] reboot: Restarting system IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM 1 = SMS Menu 5 = Default Boot List 8 = Open Firmware Prompt 6 = Stored Boot List Memory Keyboard Network Speaker IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM STARTING SOFTWARE IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM PLEASE WAIT... IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM IBM - Elapsed time since release of system processors: 80683 mins 0 secs error: no suitable video mode found. GNU GRUB version 2.02~beta2-36ubuntu3.12 +----------------------------------------------------------------------------+ |*Ubuntu | | Advanced options for Ubuntu | | | | | | | | | | | | | | | | | | | | | +----------------------------------------------------------------------------+ Use the ^ and v keys to select which entry is highlighted. Press enter to boot the selected OS, `e' to edit the commands before booting or `c' for a command-line. The highlighted entry will be executed automatically in 0s. Loading Linux 4.10.0-27-generic ... Loading initial ramdisk ... OF stdout device is: /vdevice/vty@30000000 Preparing to boot Linux version 4.10.0-27-generic (buildd@bos01-ppc64el-015) (gcc version 5.4.0 20160609 (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.4) ) #30~16.04.2-Ubuntu SMP Thu Jun 29 16:06:52 UTC 2017 (Ubuntu 4.10.0-27.30~16.04.2-generic 4.10.17) Detected machine type: 0000000000000101 command line: BOOT_IMAGE=/boot/vmlinux-4.10.0-27-generic root=UUID=4e2e82f4-8bda-4a94-84aa-0ced742e626c ro fadump=off fadump_reserve_mem=6144M crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M Max number of cores passed to firmware: 256 (NR_CPUS = 2048) Calling ibm,client-architecture-support... done Ignoring mem=0000000180000000 >= ram_top. memory layout at init: memory_limit : 0000000000000000 (16 MB aligned) alloc_bottom : 000000000e840000 alloc_top : 0000000020000000 alloc_top_hi : 0000000020000000 rmo_top : 0000000020000000 ram_top : 0000000020000000 instantiating rtas at 0x000000001ecb0000... done prom_hold_cpus: skipped copying OF device tree... Building dt strings... Building dt structure... Device tree strings 0x000000000e850000 -> 0x000000000e851725 Device tree struct 0x000000000e860000 -> 0x000000000e890000 Quiescing Open Firmware ... Booting Linux via __start() @ 0x000000000a6d0000 ... [ 0.000000] Reserving 1024MB of memory at 128MB for crashkernel (System RAM: 51200MB) [ 0.000000] Page sizes from device-tree: [ 0.000000] base_shift=12: shift=12, sllp=0x0000, avpnm=0x00000000, tlbiel=1, penc=0 [ 0.000000] base_shift=12: shift=16, sllp=0x0000, avpnm=0x00000000, tlbiel=1, penc=7 [ 0.000000] base_shift=12: shift=24, sllp=0x0000, avpnm=0x00000000, tlbiel=1, penc=56 [ 0.000000] base_shift=16: shift=16, sllp=0x0110, avpnm=0x00000000, tlbiel=1, penc=1 [ 0.000000] base_shift=16: shift=24, sllp=0x0110, avpnm=0x00000000, tlbiel=1, penc=8 [ 0.000000] base_shift=24: shift=24, sllp=0x0100, avpnm=0x00000001, tlbiel=0, penc=0 [ 0.000000] base_shift=34: shift=34, sllp=0x0120, avpnm=0x000007ff, tlbiel=0, penc=3 [ 0.000000] Using 1TB segments [ 0.000000] Initializing hash mmu with SLB [ 0.000000] Linux version 4.10.0-27-generic (buildd@bos01-ppc64el-015) (gcc version 5.4.0 20160609 (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.4) ) #30~16.04.2-Ubuntu SMP Thu Jun 29 16:06:52 UTC 2017 (Ubuntu 4.10.0-27.30~16.04.2-generic 4.10.17) [ 0.000000] Found initrd at 0xc00000000c000000:0xc00000000e83d92c [ 0.000000] Using pSeries machine description [ 0.000000] bootconsole [udbg0] enabled [ 0.000000] Partition configured for 8 cpus. [ 0.000000] CPU maps initialized for 8 threads per core -> smp_release_cpus() spinning_secondaries = 7 <- smp_release_cpus() [ 0.000000] ----------------------------------------------------- [ 0.000000] ppc64_pft_size = 0x1e [ 0.000000] phys_mem_size = 0xc80000000 [ 0.000000] dcache_bsize = 0x80 [ 0.000000] icache_bsize = 0x80 [ 0.000000] cpu_features = 0x27fc7aec18500249 [ 0.000000] possible = 0x7fffffff18500649 [ 0.000000] always = 0x0000000018100040 [ 0.000000] cpu_user_features = 0xdc0065c2 0xef000000 [ 0.000000] mmu_features = 0x7c004001 [ 0.000000] firmware_features = 0x00000003c45bfc57 [ 0.000000] htab_hash_mask = 0x7fffff [ 0.000000] ----------------------------------------------------- [ 0.000000] numa: Initmem setup node 0 [mem 0x00000000-0xc7fffffff] [ 0.000000] numa: NODE_DATA [mem 0xc7ffa2300-0xc7ffabfff] [ 0.000000] numa: Initmem setup node 1 [mem 0x90000000-0xc3fffffff] [ 0.000000] numa: NODE_DATA [mem 0xc3fff6300-0xc3fffffff] [ 0.000000] PPC64 nvram contains 15360 bytes [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000000000000-0x0000000c7fffffff] [ 0.000000] DMA32 empty [ 0.000000] Normal empty [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000000000000-0x000000008fffffff] [ 0.000000] node 1: [mem 0x0000000090000000-0x00000000afffffff] [ 0.000000] node 0: [mem 0x00000000b0000000-0x00000000bfffffff] [ 0.000000] node 1: [mem 0x00000000c0000000-0x00000000cfffffff] [ 0.000000] node 0: [mem 0x00000000d0000000-0x00000000dfffffff] [ 0.000000] node 1: [mem 0x00000000e0000000-0x00000000efffffff] [ 0.000000] node 0: [mem 0x00000000f0000000-0x00000000ffffffff] [ 0.000000] node 1: [mem 0x0000000100000000-0x000000010fffffff] [ 0.000000] node 0: [mem 0x0000000110000000-0x000000011fffffff] [ 0.000000] node 1: [mem 0x0000000120000000-0x00000001dfffffff] [ 0.000000] node 0: [mem 0x00000001e0000000-0x00000001efffffff] [ 0.000000] node 1: [mem 0x00000001f0000000-0x000000022fffffff] [ 0.000000] node 0: [mem 0x0000000230000000-0x000000023fffffff] [ 0.000000] node 1: [mem 0x0000000240000000-0x00000002dfffffff] [ 0.000000] node 0: [mem 0x00000002e0000000-0x00000002efffffff] [ 0.000000] node 1: [mem 0x00000002f0000000-0x000000031fffffff] [ 0.000000] node 0: [mem 0x0000000320000000-0x000000032fffffff] [ 0.000000] node 1: [mem 0x0000000330000000-0x000000034fffffff] [ 0.000000] node 0: [mem 0x0000000350000000-0x000000035fffffff] [ 0.000000] node 1: [mem 0x0000000360000000-0x00000004bfffffff] [ 0.000000] node 0: [mem 0x00000004c0000000-0x00000004cfffffff] [ 0.000000] node 1: [mem 0x00000004d0000000-0x000000059fffffff] [ 0.000000] node 0: [mem 0x00000005a0000000-0x00000005afffffff] [ 0.000000] node 1: [mem 0x00000005b0000000-0x00000005dfffffff] [ 0.000000] node 0: [mem 0x00000005e0000000-0x00000005efffffff] [ 0.000000] node 1: [mem 0x00000005f0000000-0x000000062fffffff] [ 0.000000] node 0: [mem 0x0000000630000000-0x000000063fffffff] [ 0.000000] node 1: [mem 0x0000000640000000-0x000000067fffffff] [ 0.000000] node 0: [mem 0x0000000680000000-0x000000068fffffff] [ 0.000000] node 1: [mem 0x0000000690000000-0x00000006afffffff] [ 0.000000] node 0: [mem 0x00000006b0000000-0x00000006bfffffff] [ 0.000000] node 1: [mem 0x00000006c0000000-0x000000070fffffff] [ 0.000000] node 0: [mem 0x0000000710000000-0x000000071fffffff] [ 0.000000] node 1: [mem 0x0000000720000000-0x000000077fffffff] [ 0.000000] node 0: [mem 0x0000000780000000-0x000000079fffffff] [ 0.000000] node 1: [mem 0x00000007a0000000-0x00000007afffffff] [ 0.000000] node 0: [mem 0x00000007b0000000-0x00000007bfffffff] [ 0.000000] node 1: [mem 0x00000007c0000000-0x000000080fffffff] [ 0.000000] node 0: [mem 0x0000000810000000-0x000000081fffffff] [ 0.000000] node 1: [mem 0x0000000820000000-0x000000088fffffff] [ 0.000000] node 0: [mem 0x0000000890000000-0x000000089fffffff] [ 0.000000] node 1: [mem 0x00000008a0000000-0x000000090fffffff] [ 0.000000] node 0: [mem 0x0000000910000000-0x000000091fffffff] [ 0.000000] node 1: [mem 0x0000000920000000-0x000000095fffffff] [ 0.000000] node 0: [mem 0x0000000960000000-0x000000096fffffff] [ 0.000000] node 1: [mem 0x0000000970000000-0x00000009afffffff] [ 0.000000] node 0: [mem 0x00000009b0000000-0x00000009bfffffff] [ 0.000000] node 1: [mem 0x00000009c0000000-0x0000000a7fffffff] [ 0.000000] node 0: [mem 0x0000000a80000000-0x0000000a8fffffff] [ 0.000000] node 1: [mem 0x0000000a90000000-0x0000000b1fffffff] [ 0.000000] node 0: [mem 0x0000000b20000000-0x0000000b2fffffff] [ 0.000000] node 1: [mem 0x0000000b30000000-0x0000000b3fffffff] [ 0.000000] node 0: [mem 0x0000000b40000000-0x0000000b4fffffff] [ 0.000000] node 1: [mem 0x0000000b50000000-0x0000000bdfffffff] [ 0.000000] node 0: [mem 0x0000000be0000000-0x0000000befffffff] [ 0.000000] node 1: [mem 0x0000000bf0000000-0x0000000c3fffffff] [ 0.000000] node 0: [mem 0x0000000c40000000-0x0000000c7fffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x0000000c7fffffff] [ 0.000000] Initmem setup node 1 [mem 0x0000000090000000-0x0000000c3fffffff] [ 0.000000] percpu: Embedded 3 pages/cpu @c000000c7fd00000 s149272 r0 d47336 u262144 [ 0.000000] Built 2 zonelists in Node order, mobility grouping on. Total pages: 818400 [ 0.000000] Policy zone: DMA [ 0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinux-4.10.0-27-generic root=UUID=4e2e82f4-8bda-4a94-84aa-0ced742e626c ro fadump=off fadump_reserve_mem=6144M crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M [ 0.000000] PID hash table entries: 4096 (order: -1, 32768 bytes) [ 0.000000] Memory: 51220992K/52428800K available (12032K kernel code, 1600K rwdata, 3360K rodata, 4416K init, 3045K bss, 1207808K reserved, 0K cma-reserved) [ 0.000000] SLUB: HWalign=128, Order=0-3, MinObjects=0, CPUs=8, Nodes=2 [ 0.000000] Hierarchical RCU implementation. [ 0.000000] Build-time adjustment of leaf fanout to 64. [ 0.000000] RCU restricting CPUs from NR_CPUS=2048 to nr_cpu_ids=8. [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=64, nr_cpu_ids=8 [ 0.000000] NR_IRQS:512 nr_irqs:512 16 [ 0.000002] clocksource: timebase: mask: 0xffffffffffffffff max_cycles: 0x761537d007, max_idle_ns: 440795202126 ns [ 0.009588] clocksource: timebase mult[1f40000] shift[24] registered [ 0.009676] Console: colour dummy device 80x25 [ 0.009716] console [hvc0] enabled [ 0.009716] console [hvc0] enabled [ 0.009737] bootconsole [udbg0] disabled [ 0.009737] bootconsole [udbg0] disabled [ 0.010024] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 0.010035] pid_max: default: 32768 minimum: 301 [ 0.069850] Security Framework initialized [ 0.069861] Yama: becoming mindful. [ 0.069883] AppArmor: AppArmor initialized [ 0.089987] Dentry cache hash table entries: 8388608 (order: 10, 67108864 bytes) [ 0.539799] Inode-cache hash table entries: 4194304 (order: 9, 33554432 bytes) [ 0.769638] Mount-cache hash table entries: 131072 (order: 4, 1048576 bytes) [ 0.769671] Mountpoint-cache hash table entries: 131072 (order: 4, 1048576 bytes) [ 0.809935] ftrace: allocating 30714 entries in 12 pages [ 1.219823] EEH: pSeries platform initialized [ 1.219846] POWER8 performance monitor hardware support registered [ 1.239929] smp: Bringing up secondary CPUs ... [ 1.289618] smp: Brought up 2 nodes, 8 CPUs [ 1.289635] numa: Node 0 CPUs: 0-7 [ 1.289640] numa: Node 1 CPUs: [ 1.299938] devtmpfs: initialized [ 1.819831] evm: security.selinux [ 1.819842] evm: security.SMACK64 [ 1.819845] evm: security.SMACK64EXEC [ 1.819848] evm: security.SMACK64TRANSMUTE [ 1.819851] evm: security.SMACK64MMAP [ 1.819854] evm: security.ima [ 1.819857] evm: security.capability [ 1.829850] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns [ 1.829869] futex hash table entries: 2048 (order: 2, 262144 bytes) [ 1.849741] NET: Registered protocol family 16 [ 1.849817] EEH: No capable adapters found [ 1.875702] cpuidle: using governor ladder [ 1.891795] cpuidle: using governor menu [ 1.891970] pstore: using zlib compression [ 1.891975] pstore: Registered nvram as persistent store backend [ 2.139875] PCI: Probing PCI hardware [ 2.149638] pseries-rng: Registering arch random hook. [ 2.209603] HugeTLB registered 16 MB page size, pre-allocated 0 pages [ 2.209616] HugeTLB registered 16 GB page size, pre-allocated 0 pages [ 2.259797] SCSI subsystem initialized [ 2.259941] vgaarb: loaded [ 2.259993] usbcore: registered new interface driver usbfs [ 2.260009] usbcore: registered new interface driver hub [ 2.269609] usbcore: registered new device driver usb [ 2.269640] pps_core: LinuxPPS API ver. 1 registered [ 2.269644] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 2.269652] PTP clock support registered [ 2.269983] NetLabel: Initializing [ 2.269987] NetLabel: domain hash size = 128 [ 2.269990] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 2.270013] NetLabel: unlabeled traffic allowed by default [ 2.279758] clocksource: Switched to clocksource timebase [ 2.539757] VFS: Disk quotas dquot_6.6.0 [ 2.540037] VFS: Dquot-cache hash table entries: 8192 (order 0, 65536 bytes) [ 2.549969] AppArmor: AppArmor Filesystem Enabled [ 2.629759] NET: Registered protocol family 2 [ 2.630031] TCP established hash table entries: 524288 (order: 6, 4194304 bytes) [ 2.669687] TCP bind hash table entries: 65536 (order: 4, 1048576 bytes) [ 2.669892] TCP: Hash tables configured (established 524288 bind 65536) [ 2.669923] UDP hash table entries: 32768 (order: 4, 1048576 bytes) [ 2.679660] UDP-Lite hash table entries: 32768 (order: 4, 1048576 bytes) [ 2.689672] NET: Registered protocol family 1 [ 2.689755] Unpacking initramfs... [ 23.179536] IOMMU table initialized, virtual merging enabled [ 23.559595] hv-24x7: read 1330 catalog entries, created 337 event attrs (0 failures), 169 descs [ 23.569855] audit: initializing netlink subsys (disabled) [ 23.569945] audit: type=2000 audit(1500015908.172:1): initialized [ 23.699980] Initialise system trusted keyrings [ 23.709754] workingset: timestamp_bits=38 max_order=20 bucket_order=0 [ 23.759960] zbud: loaded [ 23.849771] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 23.869700] fuse init (API version 7.26) [ 23.939812] Key type asymmetric registered [ 23.939826] Asymmetric key parser 'x509' registered [ 23.939845] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 246) [ 23.939921] io scheduler noop registered [ 23.939926] io scheduler deadline registered [ 23.939940] io scheduler cfq registered (default) [ 23.959640] Serial: 8250/16550 driver, 32 ports, IRQ sharing enabled [ 23.999843] Linux agpgart interface v0.103 [ 24.049878] loop: module loaded [ 24.059639] libphy: Fixed MDIO Bus: probed [ 24.059650] tun: Universal TUN/TAP device driver, 1.6 [ 24.059653] tun: (C) 1999-2004 Max Krasnyansky [ 24.059894] PPP generic driver version 2.4.2 [ 24.059986] VFIO - User Level meta-driver version: 0.3 [ 24.079742] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 24.079785] ehci-pci: EHCI PCI platform driver [ 24.079812] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 24.079824] ohci-pci: OHCI PCI platform driver [ 24.079854] uhci_hcd: USB Universal Host Controller Interface driver [ 24.089627] mousedev: PS/2 mouse device common for all mice [ 24.089929] rtc-generic rtc-generic: rtc core: registered rtc-generic as rtc0 [ 24.089946] i2c /dev entries driver [ 24.099842] device-mapper: uevent: version 1.0.3 [ 24.109771] device-mapper: ioctl: 4.35.0-ioctl (2016-06-23) initialised: dm-devel@redhat.com [ 24.119576] ledtrig-cpu: registered to indicate activity on CPUs [ 24.139636] NET: Registered protocol family 10 [ 24.249828] Segment Routing with IPv6 [ 24.249866] NET: Registered protocol family 17 [ 24.249880] Key type dns_resolver registered [ 24.259687] registered taskstats version 1 [ 24.259709] Loading compiled-in X.509 certificates [ 24.330036] Loaded X.509 cert 'Build time autogenerated kernel key: 4685520476f523e486cbb01bc24d6a98a8d45f66' [ 24.339626] zswap: loaded using pool lzo/zbud [ 25.009918] Key type big_key registered [ 25.009935] Key type trusted registered [ 25.059992] Key type encrypted registered [ 25.060007] AppArmor: AppArmor sha1 policy hashing enabled [ 25.060014] ima: No TPM chip found, activating TPM-bypass! (rc=-19) [ 25.060046] evm: HMAC attrs: 0x1 [ 25.069721] rtc-generic rtc-generic: setting system clock to 2017-07-14 07:05:11 UTC (1500015911) [ 25.089693] Unable to open file: /etc/keys/x509_ima.der (-2) [ 25.089699] Unable to open file: /etc/keys/x509_evm.der (-2) [ 25.090046] Freeing unused kernel memory: 4416K [ 25.099602] This architecture does not have kernel memory protection. Loading, please wait... starting version 229 [ 25.490031] random: systemd-udevd: uninitialized urandom read (16 bytes read) [ 25.499826] random: systemd-udevd: uninitialized urandom read (16 bytes read) [ 25.499853] random: systemd-udevd: uninitialized urandom read (16 bytes read) [ 25.499884] random: systemd-udevd: uninitialized urandom read (16 bytes read) [ 25.519953] random: udevadm: uninitialized urandom read (16 bytes read) [ 25.520045] random: udevadm: uninitialized urandom read (16 bytes read) [ 25.529911] random: udevadm: uninitialized urandom read (16 bytes read) [ 25.539821] random: udevadm: uninitialized urandom read (16 bytes read) [ 25.539994] random: udevadm: uninitialized urandom read (16 bytes read) [ 25.549679] random: udevadm: uninitialized urandom read (16 bytes read) [ 27.459819] ibmveth 30000002 ibmveth2: renamed from eth0 [ 27.559693] ibmvscsi 30000013: SRP_VERSION: 16.a [ 27.569893] ibmvscsi 30000013: Maximum ID: 64 Maximum LUN: 32 Maximum Channel: 3 [ 27.569925] scsi host0: IBM POWER Virtual SCSI Adapter 1.5.9 [ 27.599642] ibmvscsi 30000013: partner initialization complete [ 27.599750] ibmvscsi 30000013: host srp version: 16.a, host partition tuleta4u-vios (1), OS 3, max io 262144 [ 27.599904] ibmvscsi 30000013: Client reserve enabled [ 27.599937] ibmvscsi 30000013: sent SRP login [ 27.599995] ibmvscsi 30000013: SRP_LOGIN succeeded [ 27.650017] scsi 0:0:1:0: Direct-Access AIX VDASD 0001 PQ: 0 ANSI: 3 [ 27.669744] scsi 0:0:2:0: CD-ROM AIX VOPTA PQ: 0 ANSI: 4 [ 27.689642] scsi 0:0:3:0: CD-ROM AIX VOPTA PQ: 0 ANSI: 4 [ 29.169680] sd 0:0:1:0: Attached scsi generic sg0 type 0 [ 29.169701] sd 0:0:1:0: [sda] 492830720 512-byte logical blocks: (252 GB/235 GiB) [ 29.169781] sd 0:0:1:0: [sda] Write Protect is off [ 29.169868] sd 0:0:1:0: [sda] Cache data unavailable [ 29.169877] sd 0:0:1:0: [sda] Assuming drive cache: write through [ 29.179632] sr 0:0:2:0: [sr0] scsi-1 drive [ 29.179648] cdrom: Uniform CD-ROM driver Revision: 3.20 [ 29.189677] sr 0:0:2:0: Attached scsi generic sg1 type 5 [ 29.199609] sr 0:0:3:0: [sr1] scsi-1 drive [ 29.199987] sr 0:0:3:0: Attached scsi generic sg2 type 5 [ 29.219688] sda: sda1 sda3 sda4 sda5 sda6 sda7 [ 29.239621] sd 0:0:1:0: [sda] Attached SCSI disk [ 30.239758] raid6: altivecx1 gen() 219 MB/s [ 30.299592] raid6: altivecx2 gen() 444 MB/s [ 30.349596] raid6: altivecx4 gen() 588 MB/s [ 30.399765] raid6: altivecx8 gen() 400 MB/s [ 30.459592] raid6: int64x1 gen() 113 MB/s [ 30.509625] raid6: int64x1 xor() 36 MB/s [ 30.559772] raid6: int64x2 gen() 193 MB/s [ 30.619612] raid6: int64x2 xor() 70 MB/s [ 30.669611] raid6: int64x4 gen() 279 MB/s [ 30.719762] raid6: int64x4 xor() 53 MB/s [ 30.779606] raid6: int64x8 gen() 87 MB/s [ 30.829607] raid6: int64x8 xor() 39 MB/s [ 30.829618] raid6: using algorithm altivecx4 gen() 588 MB/s [ 30.829622] raid6: using intx1 recovery algorithm [ 30.859793] xor: measuring software checksum speed [ 30.929585] 8regs : 1104.000 MB/sec [ 30.999587] 8regs_prefetch: 1008.000 MB/sec [ 31.059761] 32regs : 1152.000 MB/sec [ 31.129593] 32regs_prefetch: 1024.000 MB/sec [ 31.199592] altivec : 1600.000 MB/sec [ 31.199609] xor: using function: altivec (1600.000 MB/sec) [ 31.229690] async_tx: api initialized (async) [ 31.479826] md0: WARNING: sda5 appears to be on the same physical disk as sda4. [ 31.479843] md0: WARNING: sda5 appears to be on the same physical disk as sda6. [ 31.479849] md0: WARNING: sda6 appears to be on the same physical disk as sda4. [ 31.479853] True protection against single-disk failure might be compromised. [ 31.479940] md/raid:md0: device sda5 operational as raid disk 1 [ 31.479945] md/raid:md0: device sda4 operational as raid disk 0 [ 31.479950] md/raid:md0: device sda6 operational as raid disk 2 [ 31.499663] md/raid:md0: raid level 5 active with 3 out of 3 devices, algorithm 2 [ 31.499724] md0: detected capacity change from 0 to 99933487104 Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/local-top ... done. Begin: Running /scripts/local-premount ... [ 36.519745] Btrfs loaded, crc32c=crc32c-vpmsum Scanning for Btrfs filesystems [ 36.610098] random: fast init done done. Begin: Will now check root file system ... fsck from util-linux 2.27.1 [/sbin/fsck.ext4 (1) -- /dev/md0] fsck.ext4 -a -C0 /dev/md0 /dev/md0: recovering journal [ 37.639531] random: crng init done /dev/md0: clean, 67616/6103040 files, 999291/24397824 blocks done. [ 38.309889] EXT4-fs (md0): mounted filesystem with ordered data mode. Opts: (null) done. Begin: Running /scripts/local-bottom ... done. Begin: Running /scripts/init-bottom ... done. [ 40.510035] systemd[1]: systemd 229 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ -LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD -IDN) [ 40.519779] systemd[1]: Detected architecture ppc64-le. Welcome to Ubuntu 16.04.2 LTS! [ 40.530006] systemd[1]: Set hostname to . [ 41.959418] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary Executab...ats File System Automount Point. [ 41.979506] systemd[1]: Created slice System Slice. [ OK ] Created slice System Slice. [ 41.979820] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 41.989671] systemd[1]: Listening on Device-mapper event daemon FIFOs. [ OK ] Listening on Device-mapper event daemon FIFOs. [ 41.999837] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 42.009690] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 42.019525] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ OK ] Started Read required files in advance. Mounting Huge Pages File System... Starting Create list of required st... nodes for the current kernel... Starting Set console keymap... Starting Uncomplicated firewall... Starting Load Kernel Modules... Mounting POSIX Message Queue File System... [ OK ] Listening on LVM2 metadata daemon socket. Starting Monitoring of LVM2 mirrors... dmeventd or progress polling... [ OK ] Listening on LVM2 poll daemon socket. [ OK ] Reached target Slices. [ OK ] Listening on fsck to fsckd communication Socket. [ OK ] Listening on Syslog Socket. [ OK ] Started Trigger resolvconf update for networkd DNS. [ OK ] Reached target User and Group Name Lookups. [ OK ] Created slice system-serial\x2dgetty.slice. Starting Nameserver information manager... [ OK ] Started Forward Password Requests to Wall Directory Watch. [ OK ] Listening on Journal Audit Socket. Starting Journal Service... [ OK ] Listening on udev Control Socket. Mounting Debug File System... [ OK ] Listening on /dev/initctl Compatibility Named Pipe. [ OK ] Reached target Encrypted Volumes. [ 43.169667] Loading iSCSI transport class v2.0-870. [ OK ] Mounted POSIX Message Queue File System. [ OK ] Mounted Debug File System. [ OK ] Mounted Huge Pages File System. [ OK ] Started Create list of required sta...ce nodes for the current kernel. [ OK ] Started Uncomplicated firewall. [ 43.629647] iscsi: registered transport (tcp) [ OK ] Started Nameserver information manager. [ OK ] Started Journal Service. [ OK ] Reached target Network (Pre). [ OK ] Started LVM2 metadata daemon. Starting Create Static Device Nodes in /dev... [ 45.799727] iscsi: registered transport (iser) [ OK ] Started Load Kernel Modules. Mounting FUSE Control File System... Mounting Configuration File System... Starting Apply Kernel Variables... [ OK ] Mounted Configuration File System. [ OK ] Mounted FUSE Control File System. [ OK ] Started Set console keymap. [ OK ] Started Create Static Device Nodes in /dev. [ OK ] Started Apply Kernel Variables. Starting udev Kernel Device Manager... [ OK ] Started Monitoring of LVM2 mirrors,...ng dmeventd or progress polling. [ OK ] Started udev Kernel Device Manager. Starting Remount Root and Kernel File Systems... [ OK ] Started Remount Root and Kernel File Systems. Starting udev Coldplug all Devices... [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Set console font and keymap... Starting Tell Plymouth To Write Out Runtime Data... Starting LSB: AppArmor initialization... Starting Enable support for additional executable binary formats... Starting Flush Journal to Persistent Storage... Starting Load/Save Random Seed... [ OK ] Started Tell Plymouth To Write Out Runtime Data. [ OK ] Started Load/Save Random Seed. [ OK ] Started Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... Mounting Arbitrary Executable File Formats File System... [ OK ] Mounted Arbitrary Executable File Formats File System. [ OK ] Started Enable support for additional executable binary formats. [ OK ] Started Create Volatile Files and Directories. Starting Update UTMP about System Boot/Shutdown... Starting Network Time Synchronization... [ OK ] Started Update UTMP about System Boot/Shutdown. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Time Synchronized. [ OK ] Started udev Coldplug all Devices. [ OK ] Started LSB: AppArmor initialization. Starting Raise network interfaces... [ OK ] Started Dispatch Password Requests to Console Directory Watch. [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Found device /dev/hvc0. [ OK ] Started Set console font and keymap. [ OK ] Created slice system-getty.slice. [ OK ] Started ifup for ibmveth2. [ OK ] Found device /sys/subsystem/net/devices/ibmveth2. [ OK ] Found device VDASD 3. Activating swap /dev/disk/by-uuid/c...2-a1e1-4730-8ae4-6978b2cf0c9d... [ OK ] Activated swap /dev/disk/by-uuid/c2d6e8f2-a1e1-4730-8ae4-6978b2cf0c9d. [ OK ] Reached target Swap. [ OK ] Reached target System Initialization. Starting Socket activation for snappy daemon. [ OK ] Started ACPI Events Check. [ OK ] Reached target Paths. [ OK ] Listening on ACPID Listen Socket. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Started Timer to automatically refresh installed snaps. [ OK ] Started Daily apt activities. [ OK ] Reached target Timers. [ OK ] Listening on UUID daemon activation socket. [ OK ] Listening on D-Bus System Message Bus Socket. Starting LXD - unix socket. [ OK ] Listening on Socket activation for snappy daemon. [ OK ] Listening on LXD - unix socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started FUSE filesystem for LXC. Starting Accounts Service... [ OK ] Started SRC-Subsystem Resource Controller. Starting LSB: MD monitoring daemon... [ OK ] Started ACPI event daemon. [ OK ] Started Regular background program processing daemon. Starting LSB: Execute the kexec -e command to reboot system... [ OK ] Started D-Bus System Message Bus. Starting System Logging Service... Starting Login Service... Starting LXD - container startup/shutdown... [ OK ] Started Deferred execution scheduler. [ OK ] Started Snappy daemon. Starting Auto import assertions from block devices... [ OK ] Started System Logging Service. [ OK ] Started Auto import assertions from block devices. [ OK ] Started LSB: Execute the kexec -e command to reboot system. [ OK ] Started Raise network interfaces. [ OK ] Started LSB: MD monitoring daemon. [ OK ] Started LXD - container startup/shutdown. [ OK ] Started Login Service. Starting Authenticate and Authorize Users to Run Privileged Tasks... [ OK ] Reached target Network. [ OK ] Started Unattended Upgrades Shutdown. Starting OpenBSD Secure Shell server... Starting RMC-Resource Monitioring and Control... [ OK ] Reached target Network is Online. Starting iSCSI initiator daemon (iscsid)... Starting Kernel crash dump capture service... Starting /etc/rc.local Compatibility... [ OK ] Started /etc/rc.local Compatibility. [ OK ] Started iSCSI initiator daemon (iscsid). [ OK ] Started OpenBSD Secure Shell server. [ OK ] Started Authenticate and Authorize Users to Run Privileged Tasks. [ OK ] Started Accounts Service. Starting Login to default iSCSI targets... [ OK ] Started Login to default iSCSI targets. [ OK ] Reached target Remote File Systems (Pre). [ OK ] Reached target Remote File Systems. Starting LSB: Load kernel image with kexec... Starting Permit User Sessions... Starting LSB: automatic crash report generation... Starting LSB: Set the CPU Frequency Scaling governor to "ondemand"... Starting LSB: daemon to balance interrupts for SMP systems... [ OK ] Started Permit User Sessions. [ OK ] Started LSB: Load kernel image with kexec. [ OK ] Started LSB: Set the CPU Frequency Scaling governor to "ondemand". [ OK ] Started LSB: daemon to balance interrupts for SMP systems. [ 76.674030] kdump-tools[1374]: Starting kdump-tools: Modified cmdline:BOOT_IMAGE=/boot/vmlinux-4.10.0-27-generic root=UUID=4e2e82f4-8bda-4a94-84aa-0ced742e626c ro fadump=off fadump_reserve_mem=6144M irqpoll nr_cpus=1 nousb systemd.unit=kdump-tools.service elfcorehdr=155648K [ OK ] Started ACPI event daemon. Starting Terminate Plymouth Boot Screen... Starting Hold until boot process finishes up... [ OK ] Started Terminate Plymouth Boot Screen. [ OK ] Started Hold until boot process finishes up. [ OK ] Started Serial Getty on hvc0. [ OK ] Started ACPI event daemon. Starting Set console scheme... [ OK ] Started Getty on tty1. [ OK ] Reached target Login Prompts. [ OK ] Started RMC-Resource Monitioring and Control. [ OK ] Started Set console scheme. Ubuntu 16.04.2 LTS tuleta4u-lp9 hvc0 root@tuleta4u-lp9:/var/crash/201707140201# ls dmesg.201707140201 dump-incomplete vmcore-incomplete root@tuleta4u-lp9:/var/crash/201707140201# tail dmesg.201707140201 [ 652.063925] [c000000c5ae23de0] [c00000000035df1c] SyS_write+0x6c/0x110 [ 652.063933] [c000000c5ae23e30] [c00000000000b184] system_call+0x38/0xe0 [ 652.063937] Instruction dump: [ 652.063941] 7c0802a6 f8010010 60000000 7c0802a6 f8010010 f821ffe1 3d220019 39496160 [ 652.063951] 39200001 912a0000 7c0004ac 39400000 <992a0000> 38210020 e8010010 7c0803a6 [ 652.063962] ---[ end trace 2853cebb28939de3 ]--- [ 652.169677] [ 652.169724] Sending IPI to other CPUs [ 652.179660] IPI complete [ 652.210130] kexec: Starting switchover sequence. ========================================================================================================================== Changing Memory from 150GB to 100GB ===================================== root@tuleta4u-lp9:/home/ubuntu# cd /var/crash/201707140247 root@tuleta4u-lp9:/var/crash/201707140247# ls dmesg.201707140247 dump-incomplete vmcore-incomplete