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[Launchpad Bug Tracker <1431473@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package linux - 3.2.0-80.116

---------------
linux (3.2.0-80.116) precise; urgency=low

  [ Brad Figg ]

  * Release Tracking Bug
    - LP: #1435392

  [ Andy Whitcroft ]

  * [Packaging] generate live watchdog blacklists
    - LP: #1432837

  [ Upstream Kernel Changes ]

  * Drivers: hv: vmbus: incorrect device name is printed when child device
    is unregistered
    - LP: #1417313
  * x86, mm/ASLR: Fix stack randomization on 64-bit systems
    - LP: #1423757
    - CVE-2015-1593
  * net: llc: use correct size for sysctl timeout entries
    - LP: #1425271
    - CVE-2015-2041
  * net: rds: use correct size for max unacked packets and bytes
    - LP: #1425274
    - CVE-2015-2042
  * PCI: quirks: Fix backport of quirk_io()
    - LP: #1434639
  * MIPS: IRQ: Fix disable_irq on CPU IRQs
    - LP: #1434639
  * ASoC: atmel_ssc_dai: fix start event for I2S mode
    - LP: #1434639
  * ALSA: ak411x: Fix stall in work callback
    - LP: #1434639
  * lib/checksum.c: fix carry in csum_tcpudp_nofold
    - LP: #1434639
  * lib/checksum.c: fix build for generic csum_tcpudp_nofold
    - LP: #1434639
  * caif: remove wrong dev_net_set() call
    - LP: #1434639
  * MIPS: Fix kernel lockup or crash after CPU offline/online
    - LP: #1434639
  * gpio: sysfs: fix memory leak in gpiod_export_link
    - LP: #1434639
  * gpio: sysfs: fix memory leak in gpiod_sysfs_set_active_low
    - LP: #1434639
  * net: sctp: fix passing wrong parameter header to param_type2af in
    sctp_process_param
    - LP: #1434639
  * mm: pagewalk: call pte_hole() for VM_PFNMAP during walk_page_range
    - LP: #1434639
  * nilfs2: fix deadlock of segment constructor over I_SYNC flag
    - LP: #1434639
  * staging: comedi: cb_pcidas64: fix incorrect AI range code handling
    - LP: #1434639
  * media/rc: Send sync space information on the lirc device
    - LP: #1434639
  * sched/rt: Reduce rq lock contention by eliminating locking of
    non-feasible target
    - LP: #1434639
  * time: adjtimex: Validate the ADJ_FREQUENCY values
    - LP: #1434639
  * ntp: Fixup adjtimex freq validation on 32-bit systems
    - LP: #1434639
  * ipv6: fib: fix fib dump restart
    - LP: #1434639
  * ipv6: fib: fix fib dump restart
    - LP: #1434639
  * Bluetooth: ath3k: workaround the compatibility issue with xHCI
    controller
    - LP: #1400215, #1434639
  * Linux 3.2.68
    - LP: #1434639
  * KVM: nVMX: Fix content of MSR_IA32_VMX_ENTRY/EXIT_CTLS
    - LP: #1431473
 -- Brad Figg <brad.figg@xxxxxxxxxxxxx>   Mon, 23 Mar 2015 08:41:45 -0700

** Changed in: linux (Ubuntu Precise)
       Status: Fix Committed => Fix Released

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2015-1593

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2015-2041

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2015-2042

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https://bugs.launchpad.net/bugs/1431473

Title:
  kvm_intel (nested) module will not load [Input/output error]

Status in linux package in Ubuntu:
  Invalid
Status in linux source package in Precise:
  Fix Released
Status in linux source package in Utopic:
  Invalid
Status in linux source package in Vivid:
  Invalid

Bug description:
  I have 2 different systems, both are kvm instances themselves, both running vivid.
  One of them has /dev/kvm and kvm working fine (well, fine-ish bug 1413540).
  The other will not load the kvm_intel module.

  
  === system 1 ===
  $ sudo kvm-ok
  INFO: /dev/kvm does not exist
  HINT:   sudo modprobe kvm_intel
  INFO: Your CPU supports KVM extensions
  KVM acceleration can be used

  $ cat /proc/cpuinfo 
  processor	: 0
  vendor_id	: GenuineIntel
  cpu family	: 6
  model		: 15
  model name	: Intel(R) Core(TM)2 Duo CPU     T7700  @ 2.40GHz
  stepping	: 11
  microcode	: 0x1
  cpu MHz		: 2400.084
  cache size	: 4096 KB
  physical id	: 0
  siblings	: 1
  core id		: 0
  cpu cores	: 1
  apicid		: 0
  initial apicid	: 0
  fpu		: yes
  fpu_exception	: yes
  cpuid level	: 10
  wp		: yes
  flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx rdtscp lm constant_tsc rep_good nopl pni vmx ssse3 cx16 sse4_1 sse4_2 popcnt hypervisor lahf_lm
  bugs		:
  bogomips	: 4800.16
  clflush size	: 64
  cache_alignment	: 64
  address sizes	: 40 bits physical, 48 bits virtual
  power management:

  $ ls -l /dev/kvm
  ls: cannot access /dev/kvm: No such file or directory

  $ sudo modprobe kvm_intel
  modprobe: ERROR: could not insert 'kvm_intel': Input/output error

  
  === system 2 ===
  $ sudo kvm-ok
  INFO: /dev/kvm exists
  KVM acceleration can be used

  $ cat /proc/cpuinfo 
  processor	: 0
  vendor_id	: GenuineIntel
  cpu family	: 6
  model		: 42
  model name	: Intel Xeon E312xx (Sandy Bridge)
  stepping	: 1
  microcode	: 0x1
  cpu MHz		: 1995.191
  cache size	: 4096 KB
  physical id	: 0
  siblings	: 1
  core id		: 0
  cpu cores	: 1
  apicid		: 0
  initial apicid	: 0
  fpu		: yes
  fpu_exception	: yes
  cpuid level	: 13
  wp		: yes
  flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl eagerfpu pni pclmulqdq vmx ssse3 cx16 pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes xsave avx hypervisor lahf_lm vnmi ept xsaveopt
  bugs		:
  bogomips	: 3990.38
  clflush size	: 64
  cache_alignment	: 64
  address sizes	: 40 bits physical, 48 bits virtual
  power management:

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: linux-image-3.19.0-7-generic 3.19.0-7.7
  ProcVersionSignature: User Name 3.19.0-7.7-generic 3.19.0
  Uname: Linux 3.19.0-7-generic x86_64
  AlsaDevices:
   total 0
   crw-rw---- 1 root audio 116,  1 Mar 12 17:07 seq
   crw-rw---- 1 root audio 116, 33 Mar 12 17:07 timer
  AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
  ApportVersion: 2.16.2-0ubuntu1
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  CRDA: Error: [Errno 2] No such file or directory: 'iw'
  Date: Thu Mar 12 17:12:26 2015
  Ec2AMI: ami-00000c86
  Ec2AMIManifest: FIXME
  Ec2AvailabilityZone: nova
  Ec2InstanceType: m1.small
  Ec2Kernel: aki-00000548
  Ec2Ramdisk: ari-00000548
  IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
  Lsusb:
   Bus 001 Device 002: ID 0627:0001 Adomax Technology Co., Ltd 
   Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
  MachineType: OpenStack Foundation OpenStack Nova
  PciMultimedia:
   
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-7-generic root=LABEL=cloudimg-rootfs ro init=/lib/systemd/systemd console=tty1 console=ttyS0
  RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
  SourcePackage: linux
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/01/2007
  dmi.bios.vendor: Bochs
  dmi.bios.version: Bochs
  dmi.chassis.type: 1
  dmi.chassis.vendor: Bochs
  dmi.modalias: dmi:bvnBochs:bvrBochs:bd01/01/2007:svnOpenStackFoundation:pnOpenStackNova:pvr2013.1.5:cvnBochs:ct1:cvr:
  dmi.product.name: OpenStack Nova
  dmi.product.version: 2013.1.5
  dmi.sys.vendor: OpenStack Foundation

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