`meminfo` before booting the guest ---------------------------------- [root@tesla ~]# grep -i Huge /proc/meminfo AnonHugePages: 0 kB HugePages_Total: 1054 HugePages_Free: 1054 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 2048 kB [root@tesla ~]# cat /proc/meminfo MemTotal: 12182016 kB MemFree: 7341888 kB MemAvailable: 7979900 kB Buffers: 53652 kB Cached: 1940860 kB SwapCached: 0 kB Active: 1001644 kB Inactive: 1416312 kB Active(anon): 455432 kB Inactive(anon): 1179792 kB Active(file): 546212 kB Inactive(file): 236520 kB Unevictable: 6376 kB Mlocked: 6376 kB SwapTotal: 3905532 kB SwapFree: 3905532 kB Dirty: 16 kB Writeback: 0 kB AnonPages: 429820 kB Mapped: 243020 kB Shmem: 1207088 kB Slab: 95112 kB SReclaimable: 48444 kB SUnreclaim: 46668 kB KernelStack: 6768 kB PageTables: 24732 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 8917244 kB Committed_AS: 3631520 kB VmallocTotal: 34359738367 kB VmallocUsed: 394064 kB VmallocChunk: 34359254476 kB HardwareCorrupted: 0 kB AnonHugePages: 0 kB HugePages_Total: 1054 HugePages_Free: 1054 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 2048 kB DirectMap4k: 118868 kB DirectMap2M: 5001216 kB DirectMap1G: 7340032 kB [root@tesla ~]# Boot a 2GB memory guest with huge pages --------------------------------------- [root@tesla ~]# qemu-system-x86_64 -nographic -nodefconfig -nodefaults -m 2048 -mem-path /dev/hugepages/libvirt/qemu -machine accel=kvm -cpu host -device virtio-scsi-pci,id=scsi -serial stdio -drive file=/var/lib/libvirt/images/f21vm.qcow2,format=qcow2,cache=writeback [ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Initializing cgroup subsys cpuacct [ 0.000000] Linux version 3.17.4-301.fc21.x86_64 (mockbuild@bkernel01.phx2.fedoraproject.org) (gcc version 4.9.2 20141101 (Red Hat 4.9.2-1) (GCC) ) #1 SMP Thu Nov 27 19:09:10 UTC 2014 [ 0.000000] Command line: BOOT_IMAGE=/vmlinuz-3.17.4-301.fc21.x86_64 root=/dev/mapper/fedora-root ro rd.lvm.lv=fedora/swap rd.lvm.lv=fedora/root console=tty0 rd_NO_PLYMOUTH console=ttyS0,115200 LANG=en_US.UTF-8 [ 0.000000] e820: BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007ffdffff] usable [ 0.000000] BIOS-e820: [mem 0x000000007ffe0000-0x000000007fffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.8 present. [ 0.000000] Hypervisor detected: KVM [ 0.000000] e820: last_pfn = 0x7ffe0 max_arch_pfn = 0x400000000 [ 0.000000] x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106 [ 0.000000] found SMP MP-table at [mem 0x000f1060-0x000f106f] mapped at [ffff8800000f1060] [ 0.000000] Using GB pages for direct mapping [ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff] [ 0.000000] init_memory_mapping: [mem 0x7fc00000-0x7fdfffff] [ 0.000000] init_memory_mapping: [mem 0x7c000000-0x7fbfffff] [ 0.000000] init_memory_mapping: [mem 0x00100000-0x7bffffff] [ 0.000000] init_memory_mapping: [mem 0x7fe00000-0x7ffdffff] [ 0.000000] RAMDISK: [mem 0x36882000-0x37438fff] [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x00000000000F0E80 000014 (v00 BOCHS ) [ 0.000000] ACPI: RSDT 0x000000007FFE1860 000034 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: FACP 0x000000007FFE0B37 000074 (v01 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.000000] ACPI: DSDT 0x000000007FFE0040 000AF7 (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: FACS 0x000000007FFE0000 000040 [ 0.000000] ACPI: SSDT 0x000000007FFE0BAB 000C05 (v01 BOCHS BXPCSSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: APIC 0x000000007FFE17B0 000078 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.000000] ACPI: HPET 0x000000007FFE1828 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.000000] No NUMA configuration found [ 0.000000] Faking a node at [mem 0x0000000000000000-0x000000007ffdffff] [ 0.000000] Initmem setup node 0 [mem 0x00000000-0x7ffdffff] [ 0.000000] NODE_DATA [mem 0x7ffcc000-0x7ffdffff] [ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000000] kvm-clock: cpu 0, msr 0:7ffbc001, primary cpu clock [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x00001000-0x00ffffff] [ 0.000000] DMA32 [mem 0x01000000-0xffffffff] [ 0.000000] Normal empty [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x00001000-0x0009efff] [ 0.000000] node 0: [mem 0x00100000-0x7ffdffff] [ 0.000000] ACPI: PM-Timer IO Port: 0x608 [ 0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.000000] ACPI: IOAPIC (id[0x00] address[0xfec00000] gsi_base[0]) [ 0.000000] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.000000] Using ACPI (MADT) for SMP configuration information [ 0.000000] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.000000] smpboot: Allowing 1 CPUs, 0 hotplug CPUs [ 0.000000] PM: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.000000] PM: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.000000] PM: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.000000] e820: [mem 0x80000000-0xfeffbfff] available for PCI devices [ 0.000000] Booting paravirtualized kernel on KVM [ 0.000000] setup_percpu: NR_CPUS:1024 nr_cpumask_bits:1 nr_cpu_ids:1 nr_node_ids:1 [ 0.000000] PERCPU: Embedded 29 pages/cpu @ffff88007fc00000 s88448 r8192 d22144 u2097152 [ 0.000000] KVM setup async PF for cpu 0 [ 0.000000] kvm-stealtime: cpu 0, msr 7fc0e100 [ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Total pages: 515945 [ 0.000000] Policy zone: DMA32 [ 0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz-3.17.4-301.fc21.x86_64 root=/dev/mapper/fedora-root ro rd.lvm.lv=fedora/swap rd.lvm.lv=fedora/root console=tty0 rd_NO_PLYMOUTH console=ttyS0,115200 LANG=en_US.UTF-8 [ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes) [ 0.000000] xsave: enabled xstate_bv 0x7, cntxt size 0x340 using standard form [ 0.000000] Memory: 2034684K/2096632K available (7471K kernel code, 1219K rwdata, 3256K rodata, 1472K init, 1540K bss, 61948K reserved) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 [ 0.000000] Hierarchical RCU implementation. [ 0.000000] RCU dyntick-idle grace-period acceleration is enabled. [ 0.000000] RCU restricting CPUs from NR_CPUS=1024 to nr_cpu_ids=1. [ 0.000000] Offload RCU callbacks from all CPUs [ 0.000000] Offload RCU callbacks from CPUs: 0. [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1 [ 0.000000] NR_IRQS:65792 nr_irqs:256 0 [ 0.000000] Console: colour *CGA 80x25 [ 0.000000] console [tty0] enabled [ 0.000000] console [ttyS0] enabled [ 0.000000] allocated 8388608 bytes of page_cgroup [ 0.000000] please try 'cgroup_disable=memory' option if you don't want memory cgroups [ 0.000000] tsc: Detected 2693.764 MHz processor [ 0.002000] Calibrating delay loop (skipped) preset value.. 5387.52 BogoMIPS (lpj=2693764) [ 0.003004] pid_max: default: 32768 minimum: 301 [ 0.003684] ACPI: Core revision 20140724 [ 0.005336] ACPI: All ACPI Tables successfully acquired [ 0.006100] Security Framework initialized [ 0.006678] SELinux: Initializing. [ 0.007356] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes) [ 0.009225] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes) [ 0.010227] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes) [ 0.011007] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes) [ 0.012165] Initializing cgroup subsys memory [ 0.013008] Initializing cgroup subsys devices [ 0.013656] Initializing cgroup subsys freezer [ 0.014010] Initializing cgroup subsys net_cls [ 0.015015] Initializing cgroup subsys blkio [ 0.015716] Initializing cgroup subsys perf_event [ 0.016006] Initializing cgroup subsys net_prio [ 0.017006] Initializing cgroup subsys hugetlb [ 0.019572] mce: CPU supports 10 MCE banks [ 0.020039] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 0.020039] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 0.028000] Freeing SMP alternatives memory: 28K (ffffffff81ea2000 - ffffffff81ea9000) [ 0.030101] ftrace: allocating 27208 entries in 107 pages [ 0.039152] Enabling x2apic [ 0.039909] Enabled x2apic [ 0.040014] Switched APIC routing to physical x2apic. [ 0.044257] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.045021] smpboot: CPU0: Intel(R) Core(TM) i7-4600U CPU @ 2.10GHz (fam: 06, model: 45, stepping: 01) [ 0.048355] Performance Events: 16-deep LBR, Haswell events, Intel PMU driver. [ 0.049307] ... version: 2 [ 0.049910] ... bit width: 48 [ 0.050003] ... generic registers: 4 [ 0.050554] ... value mask: 0000ffffffffffff [ 0.051003] ... max period: 000000007fffffff [ 0.051657] ... fixed-purpose events: 3 [ 0.052005] ... event mask: 000000070000000f [ 0.054271] x86: Booted up 1 node, 1 CPUs [ 0.055029] smpboot: Total of 1 processors activated (5387.52 BogoMIPS) [ 0.056355] NMI watchdog: enabled on all CPUs, permanently consumes one hw-PMU counter. [ 0.057148] devtmpfs: initialized [ 0.060134] atomic64_test: passed for x86-64 platform with CX8 and with SSE [ 0.061018] pinctrl core: initialized pinctrl subsystem [ 0.062007] RTC time: 13:49:25, date: 12/13/14 [ 0.062967] NET: Registered protocol family 16 [ 0.063167] cpuidle: using governor menu [ 0.064039] ACPI: bus type PCI registered [ 0.064888] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 0.065174] PCI: Using configuration type 1 for base access [ 0.067397] ACPI: Added _OSI(Module Device) [ 0.068008] ACPI: Added _OSI(Processor Device) [ 0.068896] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.069007] ACPI: Added _OSI(Processor Aggregator Device) [ 0.071084] ACPI: Interpreter enabled [ 0.072044] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S1_] (20140724/hwxface-580) [ 0.074649] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S2_] (20140724/hwxface-580) [ 0.076100] ACPI: (supports S0 S3 S4 S5) [ 0.077011] ACPI: Using IOAPIC for interrupt routing [ 0.078108] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.081874] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.082015] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 0.083017] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 0.084059] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 0.085252] acpiphp: Slot [2] registered [ 0.085827] acpiphp: Slot [3] registered [ 0.086032] acpiphp: Slot [4] registered [ 0.086591] acpiphp: Slot [5] registered [ 0.087025] acpiphp: Slot [6] registered [ 0.087988] acpiphp: Slot [7] registered [ 0.088075] acpiphp: Slot [8] registered [ 0.088895] acpiphp: Slot [9] registered [ 0.089110] acpiphp: Slot [10] registered [ 0.090064] acpiphp: Slot [11] registered [ 0.091022] acpiphp: Slot [12] registered [ 0.091803] acpiphp: Slot [13] registered [ 0.092020] acpiphp: Slot [14] registered [ 0.092763] acpiphp: Slot [15] registered [ 0.093055] acpiphp: Slot [16] registered [ 0.093765] acpiphp: Slot [17] registered [ 0.094020] acpiphp: Slot [18] registered [ 0.094605] acpiphp: Slot [19] registered [ 0.095044] acpiphp: Slot [20] registered [ 0.095819] acpiphp: Slot [21] registered [ 0.096036] acpiphp: Slot [22] registered [ 0.096720] acpiphp: Slot [23] registered [ 0.097021] acpiphp: Slot [24] registered [ 0.097625] acpiphp: Slot [25] registered [ 0.098020] acpiphp: Slot [26] registered [ 0.098611] acpiphp: Slot [27] registered [ 0.099020] acpiphp: Slot [28] registered [ 0.099617] acpiphp: Slot [29] registered [ 0.100026] acpiphp: Slot [30] registered [ 0.100597] acpiphp: Slot [31] registered [ 0.101010] PCI host bridge to bus 0000:00 [ 0.101573] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.102005] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7] [ 0.103016] pci_bus 0000:00: root bus resource [io 0x0d00-0xadff] [ 0.104014] pci_bus 0000:00: root bus resource [io 0xae0f-0xaeff] [ 0.105012] pci_bus 0000:00: root bus resource [io 0xaf20-0xafdf] [ 0.105945] pci_bus 0000:00: root bus resource [io 0xafe4-0xffff] [ 0.106004] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff] [ 0.106927] pci_bus 0000:00: root bus resource [mem 0x80000000-0xfebfffff] [ 0.111642] pci 0000:00:01.1: legacy IDE quirk: reg 0x10: [io 0x01f0-0x01f7] [ 0.112056] pci 0000:00:01.1: legacy IDE quirk: reg 0x14: [io 0x03f6] [ 0.113033] pci 0000:00:01.1: legacy IDE quirk: reg 0x18: [io 0x0170-0x0177] [ 0.114027] pci 0000:00:01.1: legacy IDE quirk: reg 0x1c: [io 0x0376] [ 0.115936] pci 0000:00:01.3: quirk: [io 0x0600-0x063f] claimed by PIIX4 ACPI [ 0.116032] pci 0000:00:01.3: quirk: [io 0x0700-0x070f] claimed by PIIX4 SMB [ 0.127341] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 0.128702] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 0.129637] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 0.130438] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 0.131397] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 0.132477] ACPI: Enabled 16 GPEs in block 00 to 0F [ 0.133177] vgaarb: loaded [ 0.133930] SCSI subsystem initialized [ 0.134110] ACPI: bus type USB registered [ 0.135083] usbcore: registered new interface driver usbfs [ 0.136066] usbcore: registered new interface driver hub [ 0.137122] usbcore: registered new device driver usb [ 0.138284] PCI: Using ACPI for IRQ routing [ 0.139252] NetLabel: Initializing [ 0.139853] NetLabel: domain hash size = 128 [ 0.140004] NetLabel: protocols = UNLABELED CIPSOv4 [ 0.140842] NetLabel: unlabeled traffic allowed by default [ 0.141176] HPET: 3 timers in total, 0 timers will be used for per-cpu timer [ 0.142017] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 [ 0.142847] hpet0: 3 comparators, 64-bit 100.000000 MHz counter [ 0.147217] Switched to clocksource kvm-clock [ 0.156743] pnp: PnP ACPI init [ 0.157726] pnp: PnP ACPI: found 5 devices [ 0.164217] NET: Registered protocol family 2 [ 0.165485] TCP established hash table entries: 16384 (order: 5, 131072 bytes) [ 0.167327] TCP bind hash table entries: 16384 (order: 6, 262144 bytes) [ 0.168949] TCP: Hash tables configured (established 16384 bind 16384) [ 0.170744] TCP: reno registered [ 0.171693] UDP hash table entries: 1024 (order: 3, 32768 bytes) [ 0.172647] UDP-Lite hash table entries: 1024 (order: 3, 32768 bytes) [ 0.173701] NET: Registered protocol family 1 [ 0.174358] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 0.175409] pci 0000:00:01.0: PIIX3: Enabling Passive Release [ 0.176400] pci 0000:00:01.0: Activating ISA DMA hang workarounds [ 0.177355] Unpacking initramfs... [ 0.333235] Freeing initrd memory: 11996K (ffff880036882000 - ffff880037439000) [ 0.333845] microcode: CPU0 sig=0x40651, pf=0x1, revision=0x1 [ 0.334218] microcode: Microcode Update Driver: v2.00 , Peter Oruba [ 0.334869] AVX2 version of gcm_enc/dec engaged. [ 0.336286] alg: No test for __gcm-aes-aesni (__driver-gcm-aes-aesni) [ 0.337074] futex hash table entries: 256 (order: 2, 16384 bytes) [ 0.337688] Initialise system trusted keyring [ 0.338147] audit: initializing netlink subsys (disabled) [ 0.338686] audit: type=2000 audit(1418478566.515:1): initialized [ 0.339517] HugeTLB registered 2 MB page size, pre-allocated 0 pages [ 0.341258] zpool: loaded [ 0.341683] VFS: Disk quotas dquot_6.5.2 [ 0.342162] Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.343090] msgmni has been set to 3997 [ 0.343560] Key type big_key registered [ 0.344442] alg: No test for stdrng (krng) [ 0.344904] NET: Registered protocol family 38 [ 0.345400] Key type asymmetric registered [ 0.345824] Asymmetric key parser 'x509' registered [ 0.346393] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252) [ 0.347181] io scheduler noop registered [ 0.347623] io scheduler deadline registered [ 0.348133] io scheduler cfq registered (default) [ 0.348775] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 0.349457] pciehp: PCI Express Hot Plug Controller Driver version: 0.4 [ 0.350324] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 0.351157] ACPI: Power Button [PWRF] [ 0.351661] GHES: HEST is not enabled! [ 0.352137] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 0.376949] 00:04: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 0.379567] Non-volatile memory driver v1.3 [ 0.380464] Linux agpgart interface v0.103 [ 0.383629] scsi host0: ata_piix [ 0.384708] scsi host1: ata_piix [ 0.385523] ata1: PATA max MWDMA2 cmd 0x1f0 ctl 0x3f6 bmdma 0xc040 irq 14 [ 0.386519] ata2: PATA max MWDMA2 cmd 0x170 ctl 0x376 bmdma 0xc048 irq 15 [ 0.387755] libphy: Fixed MDIO Bus: probed [ 0.388420] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 0.389327] ehci-pci: EHCI PCI platform driver [ 0.389947] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 0.390763] ohci-pci: OHCI PCI platform driver [ 0.391558] uhci_hcd: USB Universal Host Controller Interface driver [ 0.392420] usbcore: registered new interface driver usbserial [ 0.393145] usbcore: registered new interface driver usbserial_generic [ 0.393945] usbserial: USB Serial support registered for generic [ 0.394706] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 [ 0.396226] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 0.397179] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 0.398487] mousedev: PS/2 mouse device common for all mice [ 0.400054] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input1 [ 0.402957] rtc_cmos 00:00: RTC can wake from S4 [ 0.404317] rtc_cmos 00:00: rtc core: registered rtc_cmos as rtc0 [ 0.405585] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram, hpet irqs [ 0.406675] device-mapper: uevent: version 1.0.3 [ 0.407610] device-mapper: ioctl: 4.27.0-ioctl (2013-10-30) initialised: dm-devel@redhat.com [ 0.409326] hidraw: raw HID events driver (C) Jiri Kosina [ 0.410262] usbcore: registered new interface driver usbhid [ 0.411102] usbhid: USB HID core driver [ 0.411815] drop_monitor: Initializing network drop monitor service [ 0.412902] ip_tables: (C) 2000-2006 Netfilter Core Team [ 0.413819] TCP: cubic registered [ 0.414332] Initializing XFRM netlink socket [ 0.415041] NET: Registered protocol family 10 [ 0.415845] mip6: Mobile IPv6 [ 0.416288] NET: Registered protocol family 17 [ 0.417697] Loading compiled-in X.509 certificates [ 0.419758] Loaded X.509 cert 'Fedora kernel signing key: 4c7434e06ffa840aeaaa9e91f766c5fda0771260' [ 0.421807] registered taskstats version 1 [ 0.422645] Magic number: 10:180:837 [ 0.423286] rtc_cmos 00:00: setting system clock to 2014-12-13 13:49:26 UTC (1418478566) [ 0.538522] ata1.00: ATA-7: QEMU HARDDISK, 2.1.2, max UDMA/100 [ 0.539141] ata1.00: 83886080 sectors, multi 16: LBA48 [ 0.539936] ata1.00: configured for MWDMA2 [ 0.540426] scsi 0:0:0:0: Direct-Access ATA QEMU HARDDISK 2 PQ: 0 ANSI: 5 [ 0.541354] sd 0:0:0:0: Attached scsi generic sg0 type 0 [ 0.541935] sd 0:0:0:0: [sda] 83886080 512-byte logical blocks: (42.9 GB/40.0 GiB) [ 0.542805] sd 0:0:0:0: [sda] Write Protect is off [ 0.543487] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 0.544721] sda: sda1 sda2 [ 0.545186] sd 0:0:0:0: [sda] Attached SCSI disk [ 0.546391] Freeing unused kernel memory: 1472K (ffffffff81d32000 - ffffffff81ea2000) [ 0.547230] Write protecting the kernel read-only data: 12288k [ 0.549107] Freeing unused kernel memory: 708K (ffff88000174f000 - ffff880001800000) [ 0.551382] Freeing unused kernel memory: 840K (ffff880001b2e000 - ffff880001c00000) [ 0.553435] random: systemd urandom read with 11 bits of entropy available [ 0.554750] systemd[1]: systemd 217 running in system mode. (+PAM +AUDIT +SELINUX +IMA -APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ -LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD +IDN ) [ 0.556523] systemd[1]: Detected virtualization 'kvm'. [ 0.557084] systemd[1]: Detected architecture 'x86-64'. [ 0.557669] systemd[1]: Running in initial RAM disk. Welcome to Fedora 21 (Twenty One) dracut-038-30.git20140903.fc21 (Initramfs)! [ 0.559408] systemd[1]: Set hostname to . [ 0.588227] systemd[1]: Expecting device dev-disk-by\x2duuid-e9b60644\x2d85a4\x2d4776\x2dbc9a\x2dba448ae204ed.device... Expecting device dev-disk-by\x2duui...2dbc9a\x2dba448ae204ed.device... [ 0.591293] systemd[1]: Expecting device dev-mapper-fedora\x2dswap.device... Expecting device dev-mapper-fedora\x2dswap.device... [ 0.593430] systemd[1]: Expecting device dev-mapper-fedora\x2droot.device... Expecting device dev-mapper-fedora\x2droot.device... [ 0.595624] systemd[1]: Starting Timers. [ OK ] Reached target Timers. [ 0.597206] systemd[1]: Reached target Timers. [ 0.597949] systemd[1]: Starting -.slice. [ OK ] Created slice -.slice. [ 0.605134] systemd[1]: Created slice -.slice. [ 0.606274] systemd[1]: Starting udev Control Socket. [ OK ] Listening on udev Control Socket. [ 0.609115] systemd[1]: Listening on udev Control Socket. [ 0.610452] systemd[1]: Starting udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 0.612715] systemd[1]: Listening on udev Kernel Socket. [ 0.614631] systemd[1]: Starting System Slice. [ OK ] Created slice System Slice. [ 0.619373] systemd[1]: Created slice System Slice. [ 0.621739] systemd[1]: Starting system-systemd\x2dfsck.slice. [ OK ] Created slice system-systemd\x2dfsck.slice. [ 0.626281] systemd[1]: Created slice system-systemd\x2dfsck.slice. [ 0.628051] systemd[1]: Starting Slices. [ OK ] Reached target Slices. [ 0.630231] systemd[1]: Reached target Slices. [ 0.630768] systemd[1]: Starting Journal Socket. [ OK ] Listening on Journal Socket. [ 0.632267] systemd[1]: Listening on Journal Socket. [ 0.632959] systemd[1]: Started dracut ask for additional cmdline parameters. [ 0.634096] systemd[1]: Starting dracut cmdline hook... Starting dracut cmdline hook... [ 0.640353] systemd[1]: Started Load Kernel Modules. [ 0.647213] systemd[1]: Starting Create list of required static device nodes for the current kernel... Starting Create list of required st... nodes for the current kernel... [ 0.652870] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... [ 0.662080] systemd[1]: Starting Journal Socket (/dev/log). [ 0.667096] systemd[1]: Starting Setup Virtual Console... Starting Setup Virtual Console... [ 0.674623] systemd[1]: Starting Swap. [ OK ] Reached target Swap. [ 0.680311] systemd[1]: Reached target Swap. [ 0.680789] systemd[1]: Starting Local File Systems. [ OK ] Reached target Local File Systems. [ 0.685514] systemd[1]: Reached target Local File Systems. [ OK ] Started Create list of required sta...ce nodes for the current kernel. [ 0.691144] systemd[1]: Started Create list of required static device nodes for the current kernel. [ OK ] Started Apply Kernel Variables. [ 0.698856] systemd[1]: Started Apply Kernel Variables. [ OK ] Listening on Journal Socket (/dev/log). [ 0.710268] systemd[1]: Listening on Journal Socket (/dev/log). [ 0.722069] systemd[1]: Starting Sockets. [ OK ] Reached target Sockets. [ 0.727426] systemd[1]: Reached target Sockets. [ 0.728369] systemd[1]: Starting Journal Service... Starting Journal Service... [ 0.731322] systemd[1]: Starting Create Static Device Nodes in /dev... Starting Create Static Device Nodes in /dev... [ 0.740910] systemd-journald[132]: File /var/log/journal/3dc5a06dab6446b59379f5cb7c8971b5/system.journal corrupted or uncleanly shut down, renaming and replacing. [ OK ] Started Create Static Device Nodes in /dev. [ 0.747782] systemd[1]: Started Create Static Device Nodes in /dev. [ OK ] Started Journal Service. [ 0.793960] systemd[1]: Started Journal Service. [ OK ] Started dracut cmdline hook. Starting udev Kernel Device Manager... [ OK ] Started udev Kernel Device Manager. Starting udev Coldplug all Devices... [ OK ] Started udev Coldplug all Devices. Starting dracut initqueue hook... Mounting Configuration File System... [ OK ] Mounted Configuration File System. [ 1.053099] ACPI: PCI Interrupt Link [LNKB] enabled at IRQ 10 [ 1.071075] scsi host2: Virtio SCSI HBA [ OK ] Found device QEMU_HARDDISK 1. [ 1.233546] input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input3 [ OK ] Found device /dev/mapper/fedora-root. Starting File System Check on /dev/mapper/fedora-root... [ 1.323890] systemd-fsck[286]: /dev/mapper/fedora-root: clean, 201574/2326528 files, 1657350/9297920 blocks [ 1.336352] tsc: Refined TSC clocksource calibration: 2693.778 MHz [ OK ] Found device /dev/mapper/fedora-swap. [ OK ] Started File System Check on /dev/mapper/fedora-root. [ OK ] Started dracut initqueue hook. [ OK ] Reached target Remote File Systems (Pre). [ OK ] Reached target Remote File Systems. Starting dracut pre-mount hook... [ 1.495101] PM: Starting manual resume from disk [ OK ] Started dracut pre-mount hook. Mounting /sysroot... [ 1.538211] EXT4-fs (dm-0): mounted filesystem with ordered data mode. Opts: (null) [ OK ] Mounted /sysroot. [ OK ] Reached target Initrd Root File System. Starting Reload Configuration from the Real Root... [ OK ] Started Reload Configuration from the Real Root. [ OK ] Reached target Initrd File Systems. [ OK ] Started Setup Virtual Console. [ OK ] Reached target System Initialization. Starting Show Plymouth Boot Screen... [ OK ] Started Show Plymouth Boot Screen. [ OK ] Reached target Paths. [ OK ] Reached target Basic System. [ OK ] Reached target Initrd Default Target. Starting Cleaning Up and Shutting Down Daemons... [ OK ] Stopped Cleaning Up and Shutting Down Daemons. [ OK ] Stopped target Remote File Systems. [ OK ] Stopped target Remote File Systems (Pre). Stopping dracut pre-mount hook... [ OK ] Stopped dracut pre-mount hook. Stopping dracut initqueue hook... [ OK ] Stopped dracut initqueue hook. Stopping dracut cmdline hook... [ OK ] Stopped dracut cmdline hook. [ OK ] Stopped target Timers. [ OK ] Stopped target Initrd Default Target. [ OK ] Stopped target Basic System. [ OK ] Stopped target Slices. [ OK ] Stopped target Paths. [ OK ] Stopped target Sockets. [ OK ] Stopped target System Initialization. Stopping Apply Kernel Variables... [ OK ] Stopped Apply Kernel Variables. Stopping udev Coldplug all Devices... [ OK ] Stopped udev Coldplug all Devices. [ OK ] Stopped target Swap. [ OK ] Stopped target Local File Systems. Starting Plymouth switch root service... Stopping udev Kernel Device Manager... [ OK ] Stopped udev Kernel Device Manager. Stopping Create Static Device Nodes in /dev... [ OK ] Stopped Create Static Device Nodes in /dev. Stopping Create list of required st... nodes for the current kernel... [ OK ] Stopped Create list of required sta...ce nodes for the current kernel. [ OK ] Closed udev Control Socket. [ OK ] Closed udev Kernel Socket. Starting Cleanup udevd DB... [ OK ] Started Cleanup udevd DB. [ OK ] Reached target Switch Root. [ OK ] Started Plymouth switch root service. Starting Switch Root... [ 5.819377] random: nonblocking pool is initialized [ 5.823629] systemd-journald[132]: Received SIGTERM from PID 1 (systemd). [ 5.933419] SELinux: Permission audit_read in class capability2 not defined in policy. [ 5.934644] SELinux: the above unknown classes and permissions will be allowed [ 5.937705] audit: type=1403 audit(1418478572.013:2): policy loaded auid=4294967295 ses=4294967295 [ 5.942380] systemd[1]: Successfully loaded SELinux policy in 62.196ms. [ 5.963658] systemd[1]: Relabelled /dev and /run in 11.628ms. Welcome to Fedora 21 (Twenty One)! [ OK ] Stopped Switch Root. [ OK ] Stopped target Switch Root. [ OK ] Stopped target Initrd File Systems. Stopping File System Check on /dev/mapper/fedora-root... [ OK ] Stopped File System Check on /dev/mapper/fedora-root. [ OK ] Stopped target Initrd Root File System. [ OK ] Created slice User and Session Slice. [ OK ] Created slice system-serial\x2dgetty.slice. Expecting device dev-ttyS0.device... [ OK ] Created slice system-getty.slice. Starting Load legacy module configuration... [ OK ] Reached target Slices. [ OK ] Listening on Delayed Shutdown Socket. [ OK ] Listening on /dev/initctl Compatibility Named Pipe. [ OK ] Stopped Flush Journal to Persistent Storage. Stopping Journal Service... [ OK ] Stopped Journal Service. Starting Journal Service... [ OK ] Reached target Encrypted Volumes. Starting Create list of required st... nodes for the current kernel... Mounting Debug File System... [ OK ] Set up automount Arbitrary Executab...ats File System Automount Point. Mounting POSIX Message Queue File System... [ OK ] Reached target Paths. Starting Set Up Additional Binary Formats... Mounting Huge Pages File System... Starting Apply Kernel Variables... [ OK ] Listening on udev Kernel Socket. [ OK ] Listening on udev Control Socket. Starting udev Coldplug all Devices... [ OK ] Listening on LVM2 metadata daemon socket. [ OK ] Listening on Device-mapper event daemon FIFOs. Starting Monitoring of LVM2 mirrors... dmeventd or progress polling... Expecting device dev-mapper-fedora\x2dswap.device... Mounting Temporary Directory... Starting File System Check on Root Device... Expecting device dev-disk-by\x2duui...2dbc9a\x2dba448ae204ed.device... [ OK ] Started Create list of required sta...ce nodes for the current kernel. [ OK ] Mounted Debug File System. [ OK ] Mounted POSIX Message Queue File System. [ OK ] Mounted Huge Pages File System. [ 6.361285] systemd-fsck[388]: /dev/mapper/fedora-root: clean, 201574/2326528 files, 1657350/9297920 blocks [ OK ] Started Load legacy module configuration. [ OK ] Started Apply Kernel Variables. [ OK ] Mounted Temporary Directory. [ OK ] Started File System Check on Root Device. [ OK ] Started Journal Service. [ OK ] Started udev Coldplug all Devices. Starting LVM2 metadata daemon... [ OK ] Started LVM2 metadata daemon. Mounting Arbitrary Executable File Formats File System... Starting Remount Root and Kernel File Systems... [ 6.484552] EXT4-fs (dm-0): re-mounted. Opts: (null) [ OK ] Started Remount Root and Kernel File Systems. Starting Configure read-only root support... Starting Create Static Device Nodes in /dev... Starting Load/Save Random Seed... Starting Flush Journal to Persistent Storage... [ OK ] Started Configure read-only root support. [ 6.547251] systemd-journald[375]: Received request to flush runtime journal from PID 1 [ OK ] Started Load/Save Random Seed. [ OK ] Started Create Static Device Nodes in /dev. Starting udev Kernel Device Manager... [ OK ] Reached target Local File Systems (Pre). [ OK ] Mounted Arbitrary Executable File Formats File System. [ OK ] Started Monitoring of LVM2 mirrors,...ng dmeventd or progress polling. [ OK ] Started Set Up Additional Binary Formats. [ OK ] Started udev Kernel Device Manager. [ OK ] Started Flush Journal to Persistent Storage. [ 6.956108] piix4_smbus 0000:00:01.3: SMBus Host Controller at 0x700, revision 0 [ OK ] Found device /dev/ttyS0. [ 7.044798] alg: No test for crc32 (crc32-pclmul) [ 7.109050] ppdev: user-space parallel port driver [ OK ] Found device /dev/mapper/fedora-swap. Activating swap /dev/mapper/fedora-swap... [ 7.214729] Adding 4194300k swap on /dev/mapper/fedora-swap. Priority:-1 extents:1 across:4194300k FS [ OK ] Activated swap /dev/mapper/fedora-swap. [ OK ] Reached target Swap. [ OK ] Created slice system-lvm2\x2dpvscan.slice. Starting LVM2 PV scan on device 8:2... [ OK ] Started LVM2 PV scan on device 8:2. [ OK ] Found device QEMU_HARDDISK 1. Starting File System Check on /dev/...4-85a4-4776-bc9a-ba448ae204ed... [ 7.364835] systemd-fsck[462]: /dev/sda1: clean, 417/128016 files, 160437/512000 blocks [ OK ] Started File System Check on /dev/d...644-85a4-4776-bc9a-ba448ae204ed. Mounting /boot... [ 7.429135] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null) [ OK ] Mounted /boot. [ OK ] Reached target Local File Systems. Starting Create Volatile Files and Directories... Starting Tell Plymouth To Write Out Runtime Data... [ OK ] Started Create Volatile Files and Directories. [ OK ] Started Tell Plymouth To Write Out Runtime Data. Starting Security Auditing Service... [ OK ] Started Security Auditing Service. Starting Update UTMP about System Boot/Shutdown... [ OK ] Started Update UTMP about System Boot/Shutdown. [ OK ] Reached target System Initialization. [ OK ] Listening on Avahi mDNS/DNS-SD Stack Activation Socket. [ OK ] Listening on RPCbind Server Activation Socket. [ OK ] Listening on Open-iSCSI iscsid Socket. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets.[ 7.572545] audit: type=1305 audit(1418478573.648:3): audit_pid=474 old=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:auditd_t:s0 res=1 [ OK ] Reached target Basic System. Starting Rollback uncommitted netcf...rk config change transactions... Starting Open vSwitch Internal Unit... Starting Login Service... Starting Avahi mDNS/DNS-SD Stack... Starting D-Bus System Message Bus... [ OK ] Started D-Bus System Message Bus. [ 7.643623] netcf-transaction.sh[485]: Running start: No pending transaction to rollback [ OK ] Started Avahi mDNS/DNS-SD Stack. Starting firewalld - dynamic firewall daemon... [ OK ] Started Rollback uncommitted netcf network config change transactions. [ OK ] Started Login Service. [ 8.097922] nf_conntrack version 0.5.0 (16384 buckets, 65536 max) [ 8.162192] ip6_tables: (C) 2000-2006 Netfilter Core Team [ 8.177541] gre: GRE over IPv4 demultiplexor driver [ 8.195096] openvswitch: Open vSwitch switching datapath [ 8.243714] device ovs-system entered promiscuous mode [ 8.244763] openvswitch: netlink: Unknown key attribute (type=20, max=19). [ 8.246046] openvswitch: netlink: Unknown key attribute (type=62, max=19). [ 8.302736] device br-ex entered promiscuous mode [ 8.306156] device qg-9c402284-c1 entered promiscuous mode [ 8.309242] device qr-963e4df4-64 entered promiscuous mode [ 8.327527] Ebtables v2.0 registered [ 8.338087] device br-int entered promiscuous mode [ 8.357513] device br-tun entered promiscuous mode [ 8.402091] Bridge firewalling registered [ OK ] Started Open vSwitch Internal Unit. [ OK ] Started firewalld - dynamic firewall daemon. Starting Network Manager... Starting Authorization Manager... [ OK ] Started Authorization Manager. [ OK ] Started Network Manager. Starting Network Manager Wait Online... [ OK ] Started Network Manager Wait Online. [ OK ] Reached target Network. Starting OpenSSH server daemon... [ OK ] Started OpenSSH server daemon. Starting PostgreSQL database server... Starting RabbitMQ broker... Starting Open vSwitch... [ OK ] Reached target Remote File Systems (Pre). [ OK ] Reached target Remote File Systems. Starting The Apache HTTP Server... Starting Permit User Sessions... Starting Virtualization daemon... [ OK ] Reached target Network is Online. Starting LSB: Start Ceph distribute...e system daemons at boot time... [ OK ] Started Open vSwitch. [ OK ] Started Permit User Sessions. Starting Command Scheduler... [ OK ] Started Command Scheduler. Starting Job spooling tools... [ OK ] Started Job spooling tools. Starting Terminate Plymouth Boot Screen... Starting Wait for Plymouth Boot Screen to Quit... Fedora release 21 (Twenty One) Kernel 3.17.4-301.fc21.x86_64 on an x86_64 (ttyS0) devstack login: `meminfo` after a guest boot with huge pages -------------------------------------------- [root@tesla ~]# grep -i Huge /proc/meminfo AnonHugePages: 0 kB HugePages_Total: 1054 HugePages_Free: 851 HugePages_Rsvd: 821 HugePages_Surp: 0 Hugepagesize: 2048 kB [root@tesla ~]# [root@tesla ~]# cat /proc/meminfo MemTotal: 12182016 kB MemFree: 6755204 kB MemAvailable: 7394652 kB Buffers: 53884 kB Cached: 2510024 kB SwapCached: 0 kB Active: 1013888 kB Inactive: 1984956 kB Active(anon): 467000 kB Inactive(anon): 1748340 kB Active(file): 546888 kB Inactive(file): 236616 kB Unevictable: 6376 kB Mlocked: 6376 kB SwapTotal: 3905532 kB SwapFree: 3905532 kB Dirty: 76 kB Writeback: 0 kB AnonPages: 441320 kB Mapped: 248404 kB Shmem: 1775712 kB Slab: 96604 kB SReclaimable: 49772 kB SUnreclaim: 46832 kB KernelStack: 6864 kB PageTables: 25520 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 8917244 kB Committed_AS: 4219192 kB VmallocTotal: 34359738367 kB VmallocUsed: 398188 kB VmallocChunk: 34359233976 kB HardwareCorrupted: 0 kB AnonHugePages: 0 kB HugePages_Total: 1054 HugePages_Free: 851 HugePages_Rsvd: 821 HugePages_Surp: 0 Hugepagesize: 2048 kB DirectMap4k: 118868 kB DirectMap2M: 5001216 kB DirectMap1G: 7340032 kB [root@tesla ~]#