[ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Linux version 2.6.31.12 (root@tv2) (gcc version 4.3.2 (Debian 4.3.2-1.1) ) #2 SMP Thu Mar 11 10:06:52 UTC 2010 [ 0.000000] Command line: root=/dev/xvda2 ro swiotlb=force [ 0.000000] KERNEL supported cpus: [ 0.000000] Intel GenuineIntel [ 0.000000] AMD AuthenticAMD [ 0.000000] Centaur CentaurHauls [ 0.000000] ACPI in unprivileged domain disabled [ 0.000000] released 0 pages of unused memory [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] Xen: 0000000000000000 - 00000000000a0000 (usable) [ 0.000000] Xen: 00000000000a0000 - 0000000000100000 (reserved) [ 0.000000] Xen: 0000000000100000 - 0000000010000000 (usable) [ 0.000000] DMI not present or invalid. [ 0.000000] last_pfn = 0x10000 max_arch_pfn = 0x400000000 [ 0.000000] e820 update range: 0000000000001000 - 0000000000006000 (usable) ==> (reserved) [ 0.000000] Scanning 1 areas for low memory corruption [ 0.000000] modified physical RAM map: [ 0.000000] modified: 0000000000000000 - 0000000000001000 (usable) [ 0.000000] modified: 0000000000001000 - 0000000000006000 (reserved) [ 0.000000] modified: 0000000000006000 - 00000000000a0000 (usable) [ 0.000000] modified: 00000000000a0000 - 0000000000100000 (reserved) [ 0.000000] modified: 0000000000100000 - 0000000010000000 (usable) [ 0.000000] initial memory mapped : 0 - 20000000 [ 0.000000] init_memory_mapping: 0000000000000000-0000000010000000 [ 0.000000] 0000000000 - 0010000000 page 4k [ 0.000000] kernel direct mapping tables up to 10000000 @ 8000-8a000 [ 0.000000] RAMDISK: 01a76000 - 01e33000 [ 0.000000] No NUMA configuration found [ 0.000000] Faking a node at 0000000000000000-0000000010000000 [ 0.000000] Bootmem setup node 0 0000000000000000-0000000010000000 [ 0.000000] NODE_DATA [0000000000074000 - 0000000000078fff] [ 0.000000] bootmap [0000000000079000 - 000000000007afff] pages 2 [ 0.000000] (7 early reservations) ==> bootmem [0000000000 - 0010000000] [ 0.000000] #0 [0000000000 - 0000001000] BIOS data page ==> [0000000000 - 0000001000] [ 0.000000] #1 [0001eb6000 - 0001ec9000] XEN PAGETABLES ==> [0001eb6000 - 0001ec9000] [ 0.000000] #2 [0000006000 - 0000008000] TRAMPOLINE ==> [0000006000 - 0000008000] [ 0.000000] #3 [0001000000 - 0001a55de4] TEXT DATA BSS ==> [0001000000 - 0001a55de4] [ 0.000000] #4 [0001a76000 - 0001e33000] RAMDISK ==> [0001a76000 - 0001e33000] [ 0.000000] #5 [0001e33000 - 0001eb6000] XEN START INFO ==> [0001e33000 - 0001eb6000] [ 0.000000] #6 [0000008000 - 0000074000] PGTABLE ==> [0000008000 - 0000074000] [ 0.000000] Zone PFN ranges: [ 0.000000] DMA 0x00000000 -> 0x00001000 [ 0.000000] DMA32 0x00001000 -> 0x00100000 [ 0.000000] Normal 0x00100000 -> 0x00100000 [ 0.000000] Movable zone start PFN for each node [ 0.000000] early_node_map[3] active PFN ranges [ 0.000000] 0: 0x00000000 -> 0x00000001 [ 0.000000] 0: 0x00000006 -> 0x000000a0 [ 0.000000] 0: 0x00000100 -> 0x00010000 [ 0.000000] On node 0 totalpages: 65435 [ 0.000000] DMA zone: 56 pages used for memmap [ 0.000000] DMA zone: 111 pages reserved [ 0.000000] DMA zone: 3828 pages, LIFO batch:0 [ 0.000000] DMA32 zone: 840 pages used for memmap [ 0.000000] DMA32 zone: 60600 pages, LIFO batch:15 [ 0.000000] SMP: Allowing 1 CPUs, 0 hotplug CPUs [ 0.000000] No local APIC present [ 0.000000] APIC: disable apic facility [ 0.000000] nr_irqs_gsi: 16 [ 0.000000] PM: Registered nosave memory: 0000000000001000 - 0000000000006000 [ 0.000000] PM: Registered nosave memory: 00000000000a0000 - 0000000000100000 [ 0.000000] Allocating PCI resources starting at 10000000 (gap: 10000000:f0000000) [ 0.000000] NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:1 nr_node_ids:1 [ 0.000000] PERCPU: Allocated 22 4k pages, static data 88672 bytes [ 0.000000] trying to map vcpu_info 0 at ffffc9000000b020, mfn 13dbbf, offset 32 [ 0.000000] cpu 0 using vcpu_info at ffffc9000000b020 [ 0.000000] Xen: using vcpu_info placement [ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Total pages: 64428 [ 0.000000] Policy zone: DMA32 [ 0.000000] Kernel command line: root=/dev/xvda2 ro swiotlb=force [ 0.000000] PID hash table entries: 1024 (order: 10, 8192 bytes) [ 0.000000] Initializing CPU#0 [ 0.000000] Checking aperture... [ 0.000000] No AGP bridge found [ 0.000000] Calgary: detecting Calgary via BIOS EBDA area [ 0.000000] Calgary: Unable to locate Rio Grande table in EBDA - bailing! [ 0.000000] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 0.000000] Placing 64MB software IO TLB between ffff88000264e000 - ffff88000664e000 [ 0.000000] software IO TLB at phys 0x264e000 - 0x664e000 [ 0.000000] Memory: 176548k/262144k available (5425k kernel code, 404k absent, 85192k reserved, 3369k data, 644k init) [ 0.000000] SLUB: Genslabs=14, HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 [ 0.000000] Hierarchical RCU implementation. [ 0.000000] NR_IRQS:4352 nr_irqs:256 [ 0.000000] Detected 2500.000 MHz processor. [ 0.000999] Console: colour dummy device 80x25 [ 0.000999] console [tty0] enabled [ 0.000999] console [hvc0] enabled [ 0.000999] Xen: using vcpuop timer interface [ 0.000999] installing Xen timer for CPU 0 [ 0.000999] alloc irq_desc for 255 on node 0 [ 0.000999] alloc kstat_irqs on node 0 [ 0.000999] xen: vcpu_time_info placement not supported [ 0.000999] Calibrating delay loop (skipped), value calculated using timer frequency.. 5000.00 BogoMIPS (lpj=2500000) [ 0.000999] Security Framework initialized [ 0.000999] SELinux: Initializing. [ 0.000999] SELinux: Starting in permissive mode [ 0.000999] Dentry cache hash table entries: 32768 (order: 6, 262144 bytes) [ 0.000999] Inode-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 0.000999] Mount-cache hash table entries: 256 [ 0.000999] Initializing cgroup subsys ns [ 0.000999] Initializing cgroup subsys cpuacct [ 0.000999] Initializing cgroup subsys freezer [ 0.000999] CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line) [ 0.000999] CPU: L2 Cache: 512K (64 bytes/line) [ 0.000999] CPU 0/0x0 -> Node 0 [ 0.000999] tseg: 0000000000 [ 0.000999] CPU: Physical Processor ID: 0 [ 0.000999] CPU: Processor Core ID: 0 [ 0.000999] Performance Counters: AMD PMU driver. [ 0.000999] ------------[ cut here ]------------ [ 0.000999] WARNING: at arch/x86/kernel/apic/apic.c:247 native_apic_write_dummy+0x30/0x3c() [ 0.000999] Modules linked in: [ 0.000999] Pid: 0, comm: swapper Not tainted 2.6.31.12 #2 [ 0.000999] Call Trace: [ 0.000999] [] ? native_apic_write_dummy+0x30/0x3c [ 0.000999] [] warn_slowpath_common+0x77/0xa4 [ 0.000999] [] warn_slowpath_null+0xf/0x11 [ 0.000999] [] native_apic_write_dummy+0x30/0x3c [ 0.000999] [] perf_counters_lapic_init+0x2e/0x30 [ 0.000999] [] init_hw_perf_counters+0x2f7/0x394 [ 0.000999] [] ? identify_cpu+0x2fb/0x306 [ 0.000999] [] identify_boot_cpu+0x3c/0x3e [ 0.000999] [] check_bugs+0x9/0x2d [ 0.000999] [] start_kernel+0x377/0x38c [ 0.000999] [] x86_64_start_reservations+0xaa/0xae [ 0.000999] [] xen_start_kernel+0x5db/0x5e2 [ 0.000999] ---[ end trace 4eaa2a86a8e2da22 ]--- [ 0.000999] ... version: 0 [ 0.000999] ... bit width: 48 [ 0.000999] ... generic counters: 4 [ 0.000999] ... value mask: 0000ffffffffffff [ 0.000999] ... max period: 00007fffffffffff [ 0.000999] ... fixed-purpose counters: 0 [ 0.000999] ... counter mask: 000000000000000f [ 0.000999] SMP alternatives: switching to UP code [ 0.002999] Freeing SMP alternatives: 42k freed [ 0.003085] alloc irq_desc for 254 on node 0 [ 0.003089] alloc kstat_irqs on node 0 [ 0.003099] alloc irq_desc for 253 on node 0 [ 0.003102] alloc kstat_irqs on node 0 [ 0.003108] alloc irq_desc for 252 on node 0 [ 0.003110] alloc kstat_irqs on node 0 [ 0.003115] alloc irq_desc for 251 on node 0 [ 0.003118] alloc kstat_irqs on node 0 [ 0.003238] Brought up 1 CPUs [ 0.003448] khelper used greatest stack depth: 6248 bytes left [ 0.004265] Booting paravirtualized kernel on Xen [ 0.004290] Xen version: 3.4.2 (preserve-AD) [ 0.005011] Grant tables using version 1 layout. [ 0.005048] Grant table initialized [ 0.025334] Time: 165:165:165 Date: 165/165/65 [ 0.025457] NET: Registered protocol family 16 [ 0.025828] alloc irq_desc for 250 on node 0 [ 0.025831] alloc kstat_irqs on node 0 [ 0.025897] xenbus_probe wake_waiting [ 0.025908] xenbus_probe_init ok [ 0.026889] PCI: setting up Xen PCI frontend stub [ 0.028760] khelper used greatest stack depth: 5960 bytes left [ 0.040353] bio: create slab at 0 [ 0.040535] ACPI: Interpreter disabled. [ 0.043277] xenbus_probe_backend_init bus registered ok [ 0.043290] xenbus_probe_devices backend [ 0.043304] xenbus_probe_devices failed xenbus_directory [ 0.043304] backend_probe_and_watch devices probed ok [ 0.043304] backend_probe_and_watch watch add ok ok [ 0.043304] backend_probe_and_watch all done [ 0.043304] xenbus_probe_frontend_init bus registered ok [ 0.043304] xenbus_probe_devices device [ 0.044019] xenbus_probe_devices 1/4 vbd [ 0.044019] xenbus_probe_device_type type vbd [ 0.044025] xenbus_probe_device_type 1/2 51713 [ 0.044073] xenbus_probe_device_type 2/2 51714 [ 0.044087] xenbus_probe_device_type done [ 0.044087] xenbus_probe_devices 2/4 vif [ 0.044087] xenbus_probe_device_type type vif [ 0.044092] xenbus_probe_device_type 1/1 0 [ 0.044092] xenbus_probe_device_type done [ 0.044092] xenbus_probe_devices 3/4 pci [ 0.044092] xenbus_probe_device_type type pci [ 0.044092] xenbus_probe_device_type 1/1 0 [ 0.044092] xenbus_probe_device_type done [ 0.044092] xenbus_probe_devices 4/4 console [ 0.044092] xenbus_probe_device_type type console [ 0.044092] xenbus_probe_device_type 1/1 0 [ 0.044092] xenbus_probe_device_type done [ 0.044092] xenbus_probe_devices done [ 0.044092] frontend_probe_and_watch devices probed ok [ 0.045020] frontend_probe_and_watch watch add ok ok [ 0.045022] frontend_probe_and_watch all done [ 0.045029] xen_balloon: Initialising balloon driver with page order 0. [ 0.045386] SCSI subsystem initialized [ 0.045448] libata version 3.00 loaded. [ 0.046091] usbcore: registered new interface driver usbfs [ 0.046167] usbcore: registered new interface driver hub [ 0.046256] usbcore: registered new device driver usb [ 0.046695] PCI: System does not support PCI [ 0.046992] PCI: System does not support PCI [ 0.047511] cfg80211: Using static regulatory domain info [ 0.047550] cfg80211: Regulatory domain: US [ 0.047559] (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) [ 0.047570] (2402000 KHz - 2472000 KHz @ 40000 KHz), (600 mBi, 2700 mBm) [ 0.047579] (5170000 KHz - 5190000 KHz @ 40000 KHz), (600 mBi, 2300 mBm) [ 0.047587] (5190000 KHz - 5210000 KHz @ 40000 KHz), (600 mBi, 2300 mBm) [ 0.047596] (5210000 KHz - 5230000 KHz @ 40000 KHz), (600 mBi, 2300 mBm) [ 0.047604] (5230000 KHz - 5330000 KHz @ 40000 KHz), (600 mBi, 2300 mBm) [ 0.047612] (5735000 KHz - 5835000 KHz @ 40000 KHz), (600 mBi, 3000 mBm) [ 0.047644] cfg80211: Calling CRDA for country: US [ 0.047773] NetLabel: Initializing [ 0.047783] NetLabel: domain hash size = 128 [ 0.047789] NetLabel: protocols = UNLABELED CIPSOv4 [ 0.047815] NetLabel: unlabeled traffic allowed by default [ 0.048159] Xen: Initializing Xen DMA ops [ 0.049006] Switched to high resolution mode on CPU 0 [ 0.050222] pnp: PnP ACPI: disabled [ 0.051304] NET: Registered protocol family 2 [ 0.051396] IP route cache hash table entries: 2048 (order: 2, 16384 bytes) [ 0.051669] TCP established hash table entries: 8192 (order: 5, 131072 bytes) [ 0.051766] TCP bind hash table entries: 8192 (order: 5, 131072 bytes) [ 0.051826] TCP: Hash tables configured (established 8192 bind 8192) [ 0.051838] TCP reno registered [ 0.051914] NET: Registered protocol family 1 [ 0.051993] Trying to unpack rootfs image as initramfs... [ 0.057784] Freeing initrd memory: 3828k freed [ 0.060474] platform rtc_cmos: registered platform RTC device (no PNP device found) [ 0.061333] microcode: no support for this CPU vendor [ 0.061343] Scanning for low memory corruption every 60 seconds [ 0.061733] audit: initializing netlink socket (disabled) [ 0.061755] type=2000 audit(1268303301.396:1): initialized [ 0.069436] HugeTLB registered 2 MB page size, pre-allocated 0 pages [ 0.073780] VFS: Disk quotas dquot_6.5.2 [ 0.073909] Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.075427] msgmni has been set to 352 [ 0.075593] SELinux: Registering netfilter hooks [ 0.076363] alg: No test for stdrng (krng) [ 0.076576] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252) [ 0.076589] io scheduler noop registered [ 0.076596] io scheduler anticipatory registered [ 0.076603] io scheduler deadline registered [ 0.076713] io scheduler cfq registered (default) [ 0.076923] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 0.077308] alloc irq_desc for 249 on node 0 [ 0.077311] alloc kstat_irqs on node 0 [ 0.084079] pcifront pci-0: Installing PCI frontend [ 0.084158] pcifront pci-0: Creating PCI Frontend Bus 0000:05 [ 0.084462] pci 0000:05:00.0: reg 10 64bit mmio: [0xfdbfe000-0xfdbfffff] [ 0.090058] pciback 0000:05:00.0: probing... [ 0.090584] Event-channel device installed. [ 0.097042] blktap_device_init: blktap device major 253 [ 0.097063] blktap_ring_init: blktap ring major: 251 [ 0.098344] registering netback [ 0.104181] alloc irq_desc for 248 on node 0 [ 0.104185] alloc kstat_irqs on node 0 [ 0.104945] Non-volatile memory driver v1.3 [ 0.104958] Linux agpgart interface v0.103 [ 0.105339] [drm] Initialized drm 1.1.0 20060810 [ 0.105415] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 0.108851] brd: module loaded [ 0.110561] loop: module loaded [ 0.111215] alloc irq_desc for 247 on node 0 [ 0.111219] alloc kstat_irqs on node 0 [ 0.119196] alloc irq_desc for 246 on node 0 [ 0.119201] alloc kstat_irqs on node 0 [ 0.122031] blkfront: xvda1: barriers enabled [ 0.128598] input: Macintosh mouse button emulation as /devices/virtual/input/input0 [ 0.129387] Intel(R) PRO/1000 Network Driver - version 7.3.21-k3-NAPI [ 0.129398] Copyright (c) 1999-2006 Intel Corporation. [ 0.129476] e100: Intel(R) PRO/100 Network Driver, 3.5.24-k2-NAPI [ 0.129485] e100: Copyright(c) 1999-2006 Intel Corporation [ 0.129611] sky2 driver version 1.23 [ 0.129743] Initialising Xen virtual ethernet driver. [ 0.250863] blkfront: xvda2: barriers enabled [ 0.252180] alloc irq_desc for 245 on node 0 [ 0.252184] alloc kstat_irqs on node 0 [ 0.252297] console [netcon0] enabled [ 0.252308] netconsole: network logging started [ 0.252548] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 0.252559] ehci_hcd: block sizes: qh 192 qtd 96 itd 192 sitd 96 [ 0.252630] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 0.252640] ohci_hcd: block sizes: ed 80 td 96 [ 0.252706] uhci_hcd: USB Universal Host Controller Interface driver [ 0.252965] xhci_hcd 0000:05:00.0: enabling device (0000 -> 0002) [ 0.253005] xhci_hcd 0000:05:00.0: Xen PCI enabling IRQ: 16 [ 0.253005] alloc irq_desc for 16 on node 0 [ 0.253005] alloc kstat_irqs on node 0 [ 0.253005] xhci_hcd 0000:05:00.0: setting latency timer to 64 [ 0.253005] xhci_hcd 0000:05:00.0: xHCI Host Controller [ 0.264083] drivers/usb/core/inode.c: creating file 'devices' [ 0.264090] drivers/usb/core/inode.c: creating file '001' [ 0.264252] xhci_hcd 0000:05:00.0: new USB bus registered, assigned bus number 1 [ 0.265103] xhci_hcd 0000:05:00.0: irq 16, io mem 0xfdbfe000 [ 0.265154] usb usb1: config 1 interface 0 altsetting 0 endpoint 0x81 has no SuperSpeed companion descriptor [ 0.265170] usb usb1: default language 0x0409 [ 0.265181] usb usb1: udev 1, busnum 1, minor = 0 [ 0.265184] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002 [ 0.265193] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 0.265203] usb usb1: Product: xHCI Host Controller [ 0.265210] usb usb1: Manufacturer: Linux 2.6.31.12 xhci_hcd [ 0.265217] usb usb1: SerialNumber: 0000:05:00.0 [ 0.265281] usb usb1: uevent [ 0.265386] usb usb1: usb_probe_device [ 0.265389] usb usb1: configuration #1 chosen from 1 choice [ 0.265401] xHCI xhci_add_endpoint called for root hub [ 0.265404] xHCI xhci_check_bandwidth called for root hub [ 0.265412] usb usb1: adding 1-0:1.0 (config #1, interface 0) [ 0.265430] usb 1-0:1.0: uevent [ 0.265491] hub 1-0:1.0: usb_probe_interface [ 0.265494] hub 1-0:1.0: usb_probe_interface - got id [ 0.265497] hub 1-0:1.0: USB hub found [ 0.265530] hub 1-0:1.0: 4 ports detected [ 0.265537] hub 1-0:1.0: standalone hub [ 0.265539] hub 1-0:1.0: individual port power switching [ 0.265542] hub 1-0:1.0: individual port over-current protection [ 0.265545] hub 1-0:1.0: TT requires at most 8 FS bit times (666 ns) [ 0.265548] hub 1-0:1.0: power on to power good time: 20ms [ 0.265555] hub 1-0:1.0: local power source is good [ 0.265558] hub 1-0:1.0: enabling power on all ports [ 0.265600] drivers/usb/core/inode.c: creating file '001' [ 0.265799] usbcore: registered new interface driver usblp [ 0.265810] Initializing USB Mass Storage driver... [ 0.265883] usbcore: registered new interface driver usb-storage [ 0.265894] USB Mass Storage support registered. [ 0.265966] usbcore: registered new interface driver libusual [ 0.266262] PNP: No PS/2 controller found. Probing ports directly. [ 0.267006] i8042.c: No controller found. [ 0.267356] mice: PS/2 mouse device common for all mice [ 0.267824] rtc_cmos rtc_cmos: rtc core: registered rtc_cmos as rtc0 [ 0.267903] khelper used greatest stack depth: 5936 bytes left [ 0.268591] device-mapper: ioctl: 4.15.0-ioctl (2009-04-01) initialised: dm-devel@xxxxxxxxxx [ 0.268721] cpuidle: using governor ladder [ 0.268729] cpuidle: using governor menu [ 0.271330] usbcore: registered new interface driver hiddev [ 0.271403] usbcore: registered new interface driver usbhid [ 0.271412] usbhid: v2.6:USB HID core driver [ 0.271507] Advanced Linux Sound Architecture Driver Version 1.0.20. [ 0.274662] modprobe used greatest stack depth: 5808 bytes left [ 0.280272] ALSA device list: [ 0.280285] No soundcards found. [ 0.280350] Netfilter messages via NETLINK v0.30. [ 0.280378] nf_conntrack version 0.5.0 (2048 buckets, 8192 max) [ 0.281184] ctnetlink v0.93: registering with nfnetlink. [ 0.281704] ip_tables: (C) 2000-2006 Netfilter Core Team [ 0.281738] TCP cubic registered [ 0.281745] Initializing XFRM netlink socket [ 0.282147] NET: Registered protocol family 10 [ 0.283235] ip6_tables: (C) 2000-2006 Netfilter Core Team [ 0.283298] IPv6 over IPv4 tunneling driver [ 0.283910] NET: Registered protocol family 17 [ 0.284204] RPC: Registered udp transport module. [ 0.284214] RPC: Registered tcp transport module. [ 0.284511] PM: Resume from disk failed. [ 0.284528] registered taskstats version 1 [ 0.284560] XENBUS: Device with no driver: device/console/0 [ 0.284579] Magic number: 1:252:3141 [ 0.284714] Freeing unused kernel memory: 644k freed [ 0.285185] Write protecting the kernel read-only data: 7788k [ 0.325264] all_generic_ide used greatest stack depth: 5776 bytes left [ 0.367628] hub 1-0:1.0: port 4: status 0101 change 0001 [ 0.459632] usb usb1: uevent [ 0.459664] usb 1-0:1.0: uevent [ 0.467181] hub 1-0:1.0: state 7 ports 4 chg 0010 evt 0000 [ 0.467204] hub 1-0:1.0: port 4, status 0100, change 0001, 12 Mb/s [ 0.571050] hub 1-0:1.0: debounce: port 4: total 100ms stable 100ms status 0x100 [ 0.654113] vol_id used greatest stack depth: 5216 bytes left [ 1.131285] PM: Starting manual resume from disk [ 1.131299] PM: Resume from partition 202:1 [ 1.131301] PM: Checking hibernation image. [ 1.131487] PM: Resume from disk failed. [ 1.139444] kjournald starting. Commit interval 5 seconds [ 1.139471] EXT3-fs: mounted filesystem with writeback data mode. [ 1.275690] stty used greatest stack depth: 4472 bytes left [ 1.532874] udevd version 125 started [ 1.623120] usb usb1: uevent [ 1.623154] usb 1-0:1.0: uevent [ 2.068935] hub 1-0:1.0: state 7 ports 4 chg 0000 evt 0010 [ 2.068952] hub 1-0:1.0: port 4, status 0101, change 0001, 12 Mb/s [ 2.172056] hub 1-0:1.0: debounce: port 4: total 100ms stable 100ms status 0x101 [ 2.274050] usb 1-4: new high speed USB device using xhci_hcd and address 0 [ 2.285064] dma address needs mapping [ 2.285081] mask: 0xffffffff [ 2.285082] address: [0x13654d1e0] [ 2.285092] Fatal DMA error! Please use 'swiotlb=force' [ 2.285115] ------------[ cut here ]------------ [ 2.285122] kernel BUG at drivers/pci/xen-iommu.c:227! [ 2.285130] invalid opcode: 0000 [#1] SMP [ 2.285139] last sysfs file: /sys/devices/virtual/net/lo/operstate [ 2.285147] CPU 0 [ 2.285153] Modules linked in: [last unloaded: scsi_wait_scan] [ 2.285165] Pid: 254, comm: khubd Tainted: G W 2.6.31.12 #2 [ 2.285173] RIP: e030:[] [] xen_map_page+0x91/0xa0 [ 2.285192] RSP: e02b:ffff88000fcef960 EFLAGS: 00010286 [ 2.285199] RAX: 0000000000000041 RBX: 00000000ffffffff RCX: 00000000ffff0064 [ 2.285207] RDX: 0000000000007474 RSI: ffffffff815400d1 RDI: ffff88000fce02a0 [ 2.285216] RBP: ffff88000fcef980 R08: 0000000000000000 R09: ffff88000fc09000 [ 2.285224] R10: 0000000000000000 R11: ffff88000fc03200 R12: 000000013654d1e0 [ 2.285232] R13: ffff88000fe04880 R14: 0000000000000001 R15: 0000000000000000 [ 2.285244] FS: 00007fb57f4a0770(0000) GS:ffffc90000000000(0000) knlGS:0000000000000000 [ 2.285254] CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b [ 2.285262] CR2: 00007fb57f4a4000 CR3: 000000000f59d000 CR4: 0000000000000660 [ 2.285270] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2.285279] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 2.285288] Process khubd (pid: 254, threadinfo ffff88000fcee000, task ffff88000fcf6d60) [ 2.285298] Stack: [ 2.285303] 0000000000000100 ffffffff81206ece ffff88000fe04880 ffff88000e88f1e0 [ 2.285315] <0> ffff88000fcef9c0 ffffffff8135c5ab 0000000000000008 ffff88000fcefb50 [ 2.285331] <0> 0000000000000200 ffff88000e4f8f00 ffff88000fcff000 0000000000000010 [ 2.285350] Call Trace: [ 2.285358] [] ? xen_map_page+0x0/0xa0 [ 2.285368] [] dma_map_single_attrs+0x7d/0x97 [ 2.285378] [] usb_hcd_submit_urb+0xaa/0x9b8 [ 2.285388] [] ? check_events+0x12/0x20 [ 2.285398] [] ? xen_restore_fl_direct_end+0x0/0x1 [ 2.285407] [] ? xen_mc_flush+0x162/0x187 [ 2.285416] [] ? xen_restore_fl_direct_end+0x0/0x1 [ 2.285426] [] ? shmem_delete_inode+0xe0/0xff [ 2.285437] [] ? xen_end_context_switch+0x19/0x1d [ 2.285447] [] ? __switch_to+0x18d/0x2d9 [ 2.285456] [] usb_submit_urb+0x306/0x323 [ 2.285465] [] ? check_events+0x12/0x20 [ 2.285474] [] usb_start_wait_urb+0x55/0x165 [ 2.285485] [] ? __kmalloc+0x134/0x146 [ 2.285494] [] ? usb_init_urb+0x22/0x33 [ 2.285502] [] usb_control_msg+0x115/0x137 [ 2.285512] [] ? check_events+0x12/0x20 [ 2.285520] [] usb_get_descriptor+0x71/0xa1 [ 2.285530] [] ? kmem_cache_alloc+0x8e/0xef [ 2.285539] [] usb_get_device_descriptor+0x98/0xc4 [ 2.285549] [] hub_port_init+0x5cc/0x773 [ 2.285558] [] hub_thread+0xbff/0x145a [ 2.285568] [] ? dequeue_entity+0x1b/0x1df [ 2.285578] [] ? autoremove_wake_function+0x0/0x38 [ 2.285588] [] ? hub_thread+0x0/0x145a [ 2.285596] [] kthread+0x8f/0x97 [ 2.285605] [] child_rip+0xa/0x20 [ 2.285613] [] ? int_ret_from_sys_call+0x7/0x1b [ 2.285622] [] ? retint_restore_args+0x5/0x6 [ 2.285631] [] ? child_rip+0x0/0x20 [ 2.285638] Code: 70 81 31 c0 e8 72 cb 33 00 4c 89 e2 48 89 de 48 c7 c7 c1 d0 70 81 31 c0 e8 5e cb 33 00 48 c7 c7 e3 d0 70 81 31 c0 e8 50 cb 33 00 <0f> 0b eb fe 5a 5b 4c 89 e0 41 5c 41 5d c9 c3 55 48 89 f8 25 ff [ 2.285745] RIP [] xen_map_page+0x91/0xa0 [ 2.285755] RSP [ 2.285763] ---[ end trace 4eaa2a86a8e2da24 ]--- [ 2.285779] khubd used greatest stack depth: 3688 bytes left [ 2.541731] Adding 524280k swap on /dev/xvda1. Priority:-1 extents:1 across:524280k SS [ 2.588323] EXT3 FS on xvda2, internal journal [ 13.628035] eth0: no IPv6 routers present