Re: problems upgrading an Ubuntu EC2 node

whoops. Forgot to attach log:
------------------------------------------------
Xen Minimal OS!
  start_info: 0xa01000(VA)
    nr_pages: 0x26700
  shared_inf: 0x7ccbf000(MA)
     pt_base: 0xa04000(VA)
nr_pt_frames: 0x9
    mfn_list: 0x967000(VA)
   mod_start: 0x0(VA)
     mod_len: 0
       flags: 0x0
    cmd_line: root=/dev/sda1 ro 4
  stack:      0x946780-0x966780
MM: Init
      _text: 0x0(VA)
     _etext: 0x621f5(VA)
   _erodata: 0x76000(VA)
     _edata: 0x7b6d4(VA)
stack start: 0x946780(VA)
       _end: 0x966d34(VA)
  start_pfn: a10
    max_pfn: 26700
Mapping memory range 0xc00000 - 0x26700000
setting 0x0-0x76000 readonly
skipped 0x1000
MM: Initialise page allocator for b3e000(b3e000)-0(26700000)
MM: done
Demand map pfns at 26701000-36701000.
Heap resides at 36702000-76702000.
Initialising timer interface
Initialising console ... done.
gnttab_table mapped at 0x26701000.
Initialising scheduler
Thread "Idle": pointer: 0x36702008, stack: 0xbf0000
Initialising xenbus
Thread "xenstore": pointer: 0x36702478, stack: 0x26600000
Dummy main: start_info=0x966880
Thread "main": pointer: 0x367028e8, stack: 0x26610000
"main" "root=/dev/sda1" "ro" "4"
vbd 2049 is hd0
******************* BLKFRONT for device/vbd/2049 **********


backend at /local/domain/0/backend/vbd/7625/2049
Failed to read /local/domain/0/backend/vbd/7625/2049/feature-barrier.
Failed to read /local/domain/0/backend/vbd/7625/2049/feature-flush-cache.
16777216 sectors of 0 bytes
**************************
  Booting 'Ubuntu 14.04.3 LTS, kernel 3.13.0-77-generic'


root  (hd0)

 Filesystem type is ext2fs, using whole disk

kernel  /boot/vmlinuz-3.13.0-77-generic root=LABEL=cloudimg-rootfs ro
console=h

vc0

initrd  /boot/initrd.img-3.13.0-77-generic


close blk: backend at /local/domain/0/backend/vbd/7625/2049
[    0.000000] Reserving virtual address space above 0xf5800000
[    0.000000] Initializing cgroup subsys cpuset
[    0.000000] Initializing cgroup subsys cpu
[    0.000000] Initializing cgroup subsys cpuacct
[    0.000000] Linux version 3.13.0-77-generic (buildd@lcy01-35) (gcc
version 4.8.2 (Ubuntu 4.8.2-19ubuntu1) ) #121-Ubuntu SMP Wed Jan 20
10:50:59 UTC 2016 (Ubuntu 3.13.0-77.121-generic 3.13.11-ckt32)
[    0.000000] KERNEL supported cpus:
[    0.000000]   Intel GenuineIntel
[    0.000000]   AMD AuthenticAMD
[    0.000000]   NSC Geode by NSC
[    0.000000]   Cyrix CyrixInstead
[    0.000000]   Centaur CentaurHauls
[    0.000000]   Transmeta GenuineTMx86
[    0.000000]   Transmeta TransmetaCPU
[    0.000000]   UMC UMC UMC UMC
[    0.000000] ACPI in unprivileged domain disabled
[    0.000000] e820: BIOS-provided physical RAM map:
[    0.000000] Xen: [mem 0x0000000000000000-0x000000000009ffff] usable
[    0.000000] Xen: [mem 0x00000000000a0000-0x00000000000fffff] reserved
[    0.000000] Xen: [mem 0x0000000000100000-0x0000000026efffff] usable
[    0.000000] NX (Execute Disable) protection: active
[    0.000000] DMI not present or invalid.
[    0.000000] e820: last_pfn = 0x26f00 max_arch_pfn = 0x1000000
[    0.000000] Scanning 1 areas for low memory corruption
[    0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff]
[    0.000000] init_memory_mapping: [mem 0x26400000-0x265fffff]
[    0.000000] init_memory_mapping: [mem 0x24000000-0x263fffff]
[    0.000000] init_memory_mapping: [mem 0x00100000-0x23ffffff]
[    0.000000] init_memory_mapping: [mem 0x26600000-0x26efffff]
[    0.000000] RAMDISK: [mem 0x01df1000-0x02b56fff]
[    0.000000] 0MB HIGHMEM available.
[    0.000000] 623MB LOWMEM available.
[    0.000000]   mapped low ram: 0 - 26f00000
[    0.000000]   low ram: 0 - 26f00000
[    0.000000] Zone ranges:
[    0.000000]   DMA      [mem 0x00001000-0x00ffffff]
[    0.000000]   Normal   [mem 0x01000000-0x26efffff]
[    0.000000]   HighMem  empty
[    0.000000] Movable zone start for each node
[    0.000000] Early memory node ranges
[    0.000000]   node   0: [mem 0x00001000-0x0009ffff]
[    0.000000]   node   0: [mem 0x00100000-0x26efffff]
[    0.000000] Using APIC driver default
[    0.000000] SFI: Simple Firmware Interface v0.81
http://simplefirmware.org
[    0.000000] smpboot: Allowing 1 CPUs, 0 hotplug CPUs
[    0.000000] Found and enabled local APIC!
[    0.000000] PM: Registered nosave memory: [mem 0x000a0000-0x000fffff]
[    0.000000] e820: [mem 0x26f00000-0xffffffff] available for PCI devices
[    0.000000] Booting paravirtualized kernel on Xen
[    0.000000] Xen version: 3.4.3.amazon (preserve-AD)
[    0.000000] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:1
nr_node_ids:1
[    0.000000] PERCPU: Embedded 14 pages/cpu @e66eb000 s35520 r0 d21824
u57344
[78632869.862863] Built 1 zonelists in Zone order, mobility grouping on.
Total pages: 158145
[78632869.862866] Kernel command line: root=LABEL=cloudimg-rootfs ro
console=hvc0
[78632869.864004] PID hash table entries: 4096 (order: 2, 16384 bytes)
[78632869.864104] Dentry cache hash table entries: 131072 (order: 7, 524288
bytes)
[78632869.864372] Inode-cache hash table entries: 65536 (order: 6, 262144
bytes)
[78632869.864507] Initializing CPU#0
[78632869.864759] allocated 1275896 bytes of page_cgroup
[78632869.864761] please try 'cgroup_disable=memory' option if you don't
want memory cgroups
[78632869.864767] Initializing HighMem for node 0 (00000000:00000000)
[78632869.866079] Memory: 594704K/637564K available (6563K kernel code,
645K rwdata, 2776K rodata, 880K init, 924K bss, 42860K reserved, 0K highmem)
[78632869.866085] virtual kernel memory layout:
[78632869.866085]     fixmap  : 0xf5714000 - 0xf57ff000   ( 940 kB)
[78632869.866085]     pkmap   : 0xf5400000 - 0xf5600000   (2048 kB)
[78632869.866085]     vmalloc : 0xe7700000 - 0xf53fe000   ( 220 MB)
[78632869.866085]     lowmem  : 0xc0000000 - 0xe6f00000   ( 623 MB)
[78632869.866085]       .init : 0xc19c3000 - 0xc1a9f000   ( 880 kB)
[78632869.866085]       .data : 0xc1669040 - 0xc19c2740   (3429 kB)
[78632869.866085]       .text : 0xc1000000 - 0xc1669040   (6564 kB)
[78632869.866149] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[78632869.866172] Hierarchical RCU implementation.
[78632869.866173]     RCU dyntick-idle grace-period acceleration is enabled.
[78632869.866175]     RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=1.
[78632869.866182] NR_IRQS:2304 nr_irqs:256 16
[78632869.866290] Console: colour dummy device 80x25
[78632869.866486] console [tty0] enabled
[78632869.866784] console [hvc0] enabled
[78632869.866814] installing Xen timer for CPU 0
[78632869.866847] tsc: Detected 1799.999 MHz processor
[78632869.866855] Calibrating delay loop (skipped), value calculated using
timer frequency.. 3599.99 BogoMIPS (lpj=7199996)
[78632869.866869] pid_max: default: 32768 minimum: 301
[78632869.866905] Security Framework initialized
[78632869.866929] AppArmor: AppArmor initialized
[78632869.866935] Yama: becoming mindful.
[78632869.866992] Mount-cache hash table entries: 2048 (order: 1, 8192
bytes)
[78632869.867002] Mountpoint-cache hash table entries: 2048 (order: 1, 8192
bytes)
[78632869.867249] Initializing cgroup subsys memory
[78632869.867263] Initializing cgroup subsys devices
[78632869.867270] Initializing cgroup subsys freezer
[78632869.867277] Initializing cgroup subsys blkio
[78632869.867283] Initializing cgroup subsys perf_event
[78632869.867291] Initializing cgroup subsys hugetlb
[78632869.867364] CPU: Physical Processor ID: 1
[78632869.867372] CPU: Processor Core ID: 7
[78632869.867386] Last level iTLB entries: 4KB 512, 2MB 0, 4MB 0
[78632869.867386] Last level dTLB entries: 4KB 512, 2MB 32, 4MB 32
[78632869.867386] tlb_flushall_shift: 5
[78632870.601485] Freeing SMP alternatives memory: 32K (c1a9f000 - c1aa7000)
[78632870.603037] ftrace: allocating 27892 entries in 55 pages
[78632870.621545] cpu 0 spinlock event irq 17
[78632870.645415] Performance Events: unsupported p6 CPU model 45 no PMU
driver, software events only.
[78632870.647440] x86: Booted up 1 node, 1 CPUs
[78632870.647504] NMI watchdog: disabled (cpu0): hardware events not enabled
[78632870.647621] devtmpfs: initialized
[78632870.647764] EVM: security.selinux
[78632870.647771] EVM: security.SMACK64
[78632870.647776] EVM: security.ima
[78632870.647780] EVM: security.capability
[78632870.649026] pinctrl core: initialized pinctrl subsystem
[78632870.649066] xen:grant_table: Grant tables using version 1 layout
[78632870.649105] Grant table initialized
[78632870.649163] regulator-dummy: no parameters
[78632870.669041] RTC time: 165:165:165, date: 165/165/65
[78632870.669110] NET: Registered protocol family 16
[78632870.669326] EISA bus registered
[78632870.670248] PCI: setting up Xen PCI frontend stub
[78632870.671349] bio: create slab <bio-0> at 0
[78632870.671509] ACPI: Interpreter disabled.
[78632870.671525] xen:balloon: Initialising balloon driver
[78632870.672475] xen_balloon: Initialising balloon driver
[78632870.672684] vgaarb: loaded
[78632870.672925] SCSI subsystem initialized
[78632870.673031] usbcore: registered new interface driver usbfs
[78632870.673049] usbcore: registered new interface driver hub
[78632870.673079] usbcore: registered new device driver usb
[78632870.673203] PCI: System does not support PCI
[78632870.673211] PCI: System does not support PCI
[78632870.673309] NetLabel: Initializing
[78632870.673316] NetLabel:  domain hash size = 128
[78632870.673322] NetLabel:  protocols = UNLABELED CIPSOv4
[78632870.673340] NetLabel:  unlabeled traffic allowed by default
[78632870.673448] Switched to clocksource xen
[78632870.680988] AppArmor: AppArmor Filesystem Enabled
[78632870.681011] pnp: PnP ACPI: disabled
[78632870.681017] PnPBIOS: Disabled
[78632870.682708] NET: Registered protocol family 2
[78632870.682945] TCP established hash table entries: 8192 (order: 3, 32768
bytes)
[78632870.682967] TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
[78632870.682991] TCP: Hash tables configured (established 8192 bind 8192)
[78632870.683018] TCP: reno registered
[78632870.683024] UDP hash table entries: 512 (order: 2, 16384 bytes)
[78632870.683035] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
[78632870.683095] NET: Registered protocol family 1
[78632870.683172] Trying to unpack rootfs image as initramfs...
[78632870.700597] Freeing initrd memory: 13720K (c1df1000 - c2b57000)
[78632870.700806] platform rtc_cmos: registered platform RTC device (no PNP
device found)
[78632870.700892] microcode: CPU0 sig=0x206d7, pf=0x1, revision=0x70a
[78632870.700956] microcode: Microcode Update Driver: v2.00 <
tigran-ppwZ4lME3+KI6QP4U9MhSdBc4/[email protected]>, Peter Oruba
[78632870.700967] Scanning for low memory corruption every 60 seconds
[78632870.701256] Initialise system trusted keyring
[78632870.701315] audit: initializing netlink socket (disabled)
[78632870.701335] type=2000 audit(1456001126.550:1): initialized
[78632870.729117] HugeTLB registered 2 MB page size, pre-allocated 0 pages
[78632870.730453] zbud: loaded
[78632870.730555] VFS: Disk quotas dquot_6.5.2
[78632870.730615] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[78632870.731134] fuse init (API version 7.22)
[78632870.731227] msgmni has been set to 1188
[78632870.731306] Key type big_key registered
[78632870.731607] Key type asymmetric registered
[78632870.731615] Asymmetric key parser 'x509' registered
[78632870.731657] Block layer SCSI generic (bsg) driver version 0.4 loaded
(major 252)
[78632870.731697] io scheduler noop registered
[78632870.800394] io scheduler deadline registered (default)
[78632870.800467] io scheduler cfq registered
[78632870.800557] pci_hotplug: PCI Hot Plug PCI Core version: 0.5
[78632870.800581] pciehp: PCI Express Hot Plug Controller Driver version:
0.4
[78632870.800647] ipmi message handler version 39.2
[78632870.800891] isapnp: Scanning for PnP cards...
[78632870.806636] Serial: 8250/16550 driver, 32 ports, IRQ sharing enabled
[78632870.807941] Linux agpgart interface v0.103
[78632870.809495] brd: module loaded
[78632870.810301] loop: module loaded
[78632871.157746] isapnp: No Plug & Play device found
[78632871.162487] libphy: Fixed MDIO Bus: probed
[78632871.162625] tun: Universal TUN/TAP device driver, 1.6
[78632871.162635] tun: (C) 1999-2004 Max Krasnyansky <maxk-zC7DfRvBq/JWk0Htik3J/[email protected]>
[78632871.162725] PPP generic driver version 2.4.2
[78632871.162773] xen_netfront: Initialising Xen virtual ethernet driver
[78632871.165028] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[78632871.165051] ehci-pci: EHCI PCI platform driver
[78632871.165073] ehci-platform: EHCI generic platform driver
[78632871.165088] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[78632871.165095] ohci-pci: OHCI PCI platform driver
[78632871.165108] ohci-platform: OHCI generic platform driver
[78632871.165120] uhci_hcd: USB Universal Host Controller Interface driver
[78632871.165179] i8042: PNP: No PS/2 controller found. Probing ports
directly.
[78632872.170405] i8042: No controller found
[78632872.170638] mousedev: PS/2 mouse device common for all mice
[78632872.230465] rtc_cmos rtc_cmos: rtc core: registered rtc_cmos as rtc0
[78632872.230554] rtc_cmos: probe of rtc_cmos failed with error -38
[78632872.230713] device-mapper: uevent: version 1.0.3
[78632872.230827] device-mapper: ioctl: 4.27.0-ioctl (2013-10-30)
initialised: [email protected]
[78632872.230965] blkfront: xvda1: barrier or flush: disabled; persistent
grants: disabled; indirect descriptors: disabled;
[78632872.231016] platform eisa.0: Probing EISA bus 0
[78632872.231052] platform eisa.0: EISA: Detected 0 cards
[78632872.231062] cpufreq-nforce2: No nForce2 chipset.
[78632872.231070] ledtrig-cpu: registered to indicate activity on CPUs
[78632872.231253] TCP: cubic registered
[78632872.231362] NET: Registered protocol family 10
[78632872.231633] NET: Registered protocol family 17
[78632872.231655] Key type dns_resolver registered
[78632872.231728] Using IPI No-Shortcut mode
[78632872.231823] Loading compiled-in X.509 certificates
[78632872.236290] Loaded X.509 cert 'Magrathea: Glacier signing key:
7a4c6b37c9fca02bc2029f553872d2d58debce69'
[78632872.236321] registered taskstats version 1
[78632872.240306] Key type trusted registered
[78632872.246955] Key type encrypted registered
[78632872.246971] AppArmor: AppArmor sha1 policy hashing enabled
[78632872.246984] IMA: No TPM chip found, activating TPM-bypass!
[78632872.345504] regulator-dummy: incomplete constraints, leaving on
[78632872.345575]   Magic number: 1:252:3141
[78632872.345622] /build/linux-cpM_Vg/linux-3.13.0/drivers/rtc/hctosys.c:
unable to open rtc device (rtc0)
[78632872.345681] BIOS EDD facility v0.16 2004-Jun-25, 0 devices found
[78632872.345690] EDD information not available.
[78632872.346416] Freeing unused kernel memory: 880K (c19c3000 - c1a9f000)
[78632872.348569] Write protecting the kernel text: 6568k
[78632872.349511] Write protecting the kernel read-only data: 2780k
[78632872.349520] NX-protecting the kernel data: 5720k
Loading, please wait...
[78632872.381742] systemd-udevd[91]: starting version 204
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.
[78632874.062179] EXT4-fs (xvda1): mounted filesystem with ordered data
mode. Opts: (null)
Begin: Running /scripts/local-bottom ... done.
done.
Begin: Running /scripts/init-bottom ... done.
[78632875.409224] random: nonblocking pool is initialized
lxcmount stop/pre-start, process 148

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