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[Ben Aceler <1252418@xxxxxxxxxxxxxxxxxx>]

kern.log:

Nov 18 15:38:15 Compy kernel: [82031.482744] general protection fault: 0000 [#1] SMP 
Nov 18 15:38:15 Compy kernel: [82031.482782] CPU 0 
Nov 18 15:38:15 Compy kernel: [82031.482794] Modules linked in: macvtap macvlan xt_multiport ip6table_filter ip6_tables ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp iptable_filter ip_tables x_tables pci_stub vboxpci(O) vboxnetadp(O) bridge vboxnetflt(O) stp vboxdrv(O) kvm_intel kvm rfcomm bnep bluetooth parport_pc ppdev nfsd binfmt_misc nfs lockd fscache auth_rpcgss nfs_acl sunrpc usblp snd_usb_audio snd_pcm snd_page_alloc snd_hwdep snd_usbmidi_lib snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer ses snd_seq_device enclosure snd uvcvideo videodev v4l2_compat_ioctl32 soundcore usbhid hid rts5139(C) asix usbnet arc4 usb_storage dm_multipath iwlwifi mac80211 i915 drm_kms_helper psmouse serio_raw drm cfg80211 mei(C) i2c_algo_bit video mac_hid lp parport r8169 [last unloaded: l2tp_core]

Looks like a crash, doesn't it? Guest OS didn't start at all.

I can't say exactly about update or upgrade, because I never tried to
start to VMs simultaneously before. Two or more KVM boxes or several VB
boxes works fine.

-- 
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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1252418

Title:
  Kernel crash if user starts VirtualBox guest OS while KVM guest OS
  running

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Starting VirtualBox guest when any number of guest OS running in KVM
  cause cernel crash (see kern.log). The interesting point is, that
  sometimes the system continues to work after that.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.2.0-56-generic 3.2.0-56.86
  ProcVersionSignature: Ubuntu 3.2.0-56.86-generic 3.2.51
  Uname: Linux 3.2.0-56-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  AplayDevices:
   **** List of PLAYBACK Hardware Devices ****
   card 0: CODEC [USB Audio CODEC], device 0: USB Audio [USB Audio]
     Subdevices: 0/1
     Subdevice #0: subdevice #0
  ApportVersion: 2.0.1-0ubuntu17.6
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  aceler     6786 F.... pulseaudio
   /dev/snd/controlC0:  aceler     6786 F.... pulseaudio
   /dev/snd/pcmC0D0p:   aceler     6786 F...m pulseaudio
  CRDA: Error: [Errno 2] Нет такого файла или каталога
  Card0.Amixer.info:
   Card hw:0 'CODEC'/'Burr-Brown from TI USB Audio CODEC at usb-0000:00:1a.0-1.1.1, full speed'
     Mixer name	: 'USB Mixer'
     Components	: 'USB08bb:2900'
     Controls      : 2
     Simple ctrls  : 1
  Card1.Amixer.info:
   Card hw:1 'J'/'A4 TECH A4 TECH USB2.0 PC Camera J at usb-0000:00:14.0-4.3, high speed'
     Mixer name	: 'USB Mixer'
     Components	: 'USB0ac8:c40a'
     Controls      : 3
     Simple ctrls  : 2
  Date: Mon Nov 18 22:39:29 2013
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120823.1)
  MachineType: Foxconn AT-7000 Series
  MarkForUpload: True
  PciMultimedia:
   
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-56-generic root=UUID=59fe3771-af8e-41d2-bca0-e79d4debd52b ro quiet splash vt.handoff=7
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-56-generic N/A
   linux-backports-modules-3.2.0-56-generic  N/A
   linux-firmware                            1.79.7
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: no
  SourcePackage: linux
  StagingDrivers: rts5139 mei
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 11/28/2012
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 4.6.5
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: AT-7000 Series
  dmi.board.vendor: Foxconn
  dmi.board.version: PCB 1.0
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr4.6.5:bd11/28/2012:svnFoxconn:pnAT-7000Series:pvrFAB1.0:rvnFoxconn:rnAT-7000Series:rvrPCB1.0:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.name: AT-7000 Series
  dmi.product.version: FAB 1.0
  dmi.sys.vendor: Foxconn

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