Running multiple VMs causes kernel soft lockup

Discussions related to using VirtualBox on Linux hosts.
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gthieme
Posts: 5
Joined: 24. Feb 2009, 03:00

Running multiple VMs causes kernel soft lockup

Post by gthieme »

I get a kernel soft lockup whenever I run multiple VMs and use rsync to backup my hard drive. This usually causes my PC to crash sometime after the errors below show up in my kernel log. When I run my rsync backup test I have the 1st VM encoding mp3s while the other is doing nothing (I do keep firefox open on the 2nd with many tabs open, causing some CPU usage by the 2nd VM). Sometimes running multiple VMs causes my PC to crash when I'm not doing the rsync backup. Both virtual machines are running Win XP with software virtualization.

When I stop one of the VMs my rsync backup works fine and my PC is stable again.

Anyone have any ideas for fixing? Or do I need to run each virtual machine on different linux boxes.

I'm using Ubuntu 8.10 2.6.27-11-generic x86_64 with virtualbox-2.1_2.1.4-42893_Ubuntu_intrepid_amd64.

/var/log/kern.log says:

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...
Apr 12 10:28:03 BonfireHD kernel: [48278.657498] BUG: soft lockup - CPU#3 stuck for 61s! [rsync:25800]
Apr 12 10:28:03 BonfireHD kernel: [48278.657501] Modules linked in: xt_state ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack rfcomm bridge stp bnep sco l2cap bluetooth af_packet vboxnetflt vboxdrv ppdev wmi video output sbs sbshc pci_slot container battery ipv6 iptable_filter ip_tables x_tables ext2 mbcache ac coretemp it87 hwmon_vid sbp2 lp tuner_simple tuner_types nxt200x cx88_dvb cx88_vp3054_i2c videobuf_dvb snd_hda_intel dvb_core snd_seq_dummy snd_seq_oss tuner cx88_alsa snd_seq_midi snd_pcm_oss snd_rawmidi snd_mixer_oss snd_seq_midi_event cx8802 snd_pcm snd_seq cx8800 cx88xx ir_common i2c_algo_bit compat_ioctl32 snd_timer snd_seq_device sr_mod cdrom tveeprom videodev v4l1_compat lirc_atiusb nvidia(P) evdev snd parport_pc v4l2_common lirc_mceusb2 pcspkr usblp i2c_core lirc_dev button videobuf_dma_sg shpchp parport btcx_risc intel_agp videobuf_core soundcore snd_page_alloc pci_hotplug xfs sd_mod crc_t10dif pata_jmicron usbhid hid sg pata_acpi usb_storage libusual ohci1394 ahci ata_generic ieee1
Apr 12 10:28:03 BonfireHD kernel: 94 r8169 libata scsi_mod dock mii ehci_hcd uhci_hcd usbcore raid10 raid456 async_xor async_memcpy async_tx xor raid1 raid0 multipath linear md_mod thermal processor fan fbcon tileblit font bitblit softcursor fuse
Apr 12 10:28:03 BonfireHD kernel: [48278.657501] CPU 3:
Apr 12 10:28:03 BonfireHD kernel: [48278.657501] Modules linked in: xt_state ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack rfcomm bridge stp bnep sco l2cap bluetooth af_packet vboxnetflt vboxdrv ppdev wmi video output sbs sbshc pci_slot container battery ipv6 iptable_filter ip_tables x_tables ext2 mbcache ac coretemp it87 hwmon_vid sbp2 lp tuner_simple tuner_types nxt200x cx88_dvb cx88_vp3054_i2c videobuf_dvb snd_hda_intel dvb_core snd_seq_dummy snd_seq_oss tuner cx88_alsa snd_seq_midi snd_pcm_oss snd_rawmidi snd_mixer_oss snd_seq_midi_event cx8802 snd_pcm snd_seq cx8800 cx88xx ir_common i2c_algo_bit compat_ioctl32 snd_timer snd_seq_device sr_mod cdrom tveeprom videodev v4l1_compat lirc_atiusb nvidia(P) evdev snd parport_pc v4l2_common lirc_mceusb2 pcspkr usblp i2c_core lirc_dev button videobuf_dma_sg shpchp parport btcx_risc intel_agp videobuf_core soundcore snd_page_alloc pci_hotplug xfs sd_mod crc_t10dif pata_jmicron usbhid hid sg pata_acpi usb_storage libusual ohci1394 ahci ata_generic ieee1
Apr 12 10:28:03 BonfireHD kernel: 94 r8169 libata scsi_mod dock mii ehci_hcd uhci_hcd usbcore raid10 raid456 async_xor async_memcpy async_tx xor raid1 raid0 multipath linear md_mod thermal processor fan fbcon tileblit font bitblit softcursor fuse
Apr 12 10:28:03 BonfireHD kernel: [48278.657501] Pid: 25800, comm: rsync Tainted: P          2.6.27-11-generic #1
Apr 12 10:28:03 BonfireHD kernel: [48278.657501] RIP: 0010:[<ffffffff802ac041>]  [<ffffffff802ac041>] find_get_pages+0x71/0x110
Apr 12 10:28:03 BonfireHD kernel: [48278.657501] RSP: 0018:ffff8801145f1378  EFLAGS: 00000282
Apr 12 10:28:03 BonfireHD kernel: [48278.657501] RAX: ffff880053e27cd8 RBX: ffff8801145f13b8 RCX: 0000000000000002
Apr 12 10:28:03 BonfireHD kernel: [48278.657501] RDX: 0000000000000003 RSI: 0000000000000000 RDI: ffffe20000e83480
Apr 12 10:28:03 BonfireHD kernel: [48278.657501] RBP: ffff8800460dd300 R08: ffffe200013c2508 R09: 000000000000000e
Apr 12 10:28:03 BonfireHD kernel: [48278.657501] R10: 000000000000003f R11: 00000000000034c0 R12: ffffffff803193fe
Apr 12 10:28:03 BonfireHD kernel: [48278.657501] R13: ffff8800460dd300 R14: 01ffffff8039daa9 R15: ffff8801145f12e8
Apr 12 10:28:03 BonfireHD kernel: [48278.657501] FS:  00007fe5fb1496e0(0000) GS:ffff88014fa3f080(0000) knlGS:0000000000000000
Apr 12 10:28:03 BonfireHD kernel: [48278.657501] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Apr 12 10:28:03 BonfireHD kernel: [48278.657501] CR2: 000000008003f03f CR3: 00000001250e3000 CR4: 00000000000006e0
Apr 12 10:28:03 BonfireHD kernel: [48278.657501] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Apr 12 10:28:03 BonfireHD kernel: [48278.657501] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Apr 12 10:28:03 BonfireHD kernel: [48278.657501] 
Apr 12 10:28:03 BonfireHD kernel: [48278.657501] Call Trace:
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffff802ac013>] ? find_get_pages+0x43/0x110
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffff802b6c14>] ? pagevec_lookup+0x24/0x30
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffffa028a02d>] ? xfs_cluster_write+0xad/0x180 [xfs]
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffffa028a598>] ? xfs_page_state_convert+0x498/0x760 [xfs]
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffffa028a9c1>] ? xfs_vm_writepage+0x71/0x120 [xfs]
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffff802b94f4>] ? pageout+0x124/0x280
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffff802ab16a>] ? page_waitqueue+0xa/0x90
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffff802b9afd>] ? shrink_page_list+0x34d/0x530
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffff802b918a>] ? isolate_lru_pages+0x8a/0x220
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffff802b9e82>] ? shrink_inactive_list+0x1a2/0x4b0
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffff802ba20b>] ? shrink_zone+0x7b/0x160
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffff802ba37d>] ? shrink_zones+0x8d/0x150
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffff802ba4c6>] ? do_try_to_free_pages+0x86/0x2e0
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffff802ba817>] ? try_to_free_pages+0x67/0x70
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffff802b9320>] ? isolate_pages_global+0x0/0x50
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffff802b2ae9>] ? __alloc_pages_internal+0x239/0x520
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffff802d5c0d>] ? alloc_pages_current+0xad/0x110
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffff802ac5a7>] ? __page_cache_alloc+0x67/0x80
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffff802ad1e3>] ? __grab_cache_page+0x63/0xb0
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffff803171a9>] ? block_write_begin+0x89/0xf0
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffffa028948a>] ? xfs_vm_write_begin+0x2a/0x30 [xfs]
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffffa0289050>] ? xfs_get_blocks+0x0/0x20 [xfs]
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffffa0289050>] ? xfs_get_blocks+0x0/0x20 [xfs]
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffff802ab8cc>] ? generic_perform_write+0xbc/0x1c0
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffff802ad632>] ? generic_file_buffered_write+0x92/0x170
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffffa02922f3>] ? xfs_write+0x6b3/0x9b0 [xfs]
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffff8045631c>] ? __sock_recvmsg+0x7c/0xa0
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffffa028dca8>] ? xfs_file_aio_write+0x58/0x60 [xfs]
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffff802e9b19>] ? do_sync_write+0xf9/0x140
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffff803a80c1>] ? __rb_erase_color+0x101/0x1d0
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffff80267060>] ? autoremove_wake_function+0x0/0x40
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffff803873a1>] ? aa_file_permission+0x21/0xf0
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffff803874c8>] ? apparmor_file_permission+0x28/0x30
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffff80361f76>] ? security_file_permission+0x16/0x20
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffff802ea1db>] ? vfs_write+0xcb/0x130
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffff802ea335>] ? sys_write+0x55/0x90
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]  [<ffffffff8021285a>] ? system_call_fastpath+0x16/0x1b
Apr 12 10:28:03 BonfireHD kernel: [48278.657501]
...
cat /vm/virtualPC1.xml:

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<?xml version="1.0" encoding="UTF-8"?>
<!-- Sun xVM VirtualBox Machine Configuration -->
<VirtualBox xmlns="http://www.innotek.de/VirtualBox-settings" version="1.6-linux">
  <Machine uuid="{ca87ef0c-926d-482f-9f22-3e843ed22bab}" name="virtualPC1" OSType="WindowsXP" lastStateChange="2009-04-13T23:11:09Z" snapshotFolder="/vm/virtualPC1/snapshots" stateFile="snapshots/{ca87ef0c-926d-482f-9f22-3e843ed22bab}.sav">
    <ExtraData>
      <ExtraDataItem name="GUI/SaveMountedAtRuntime" value="yes"/>
      <ExtraDataItem name="GUI/LastWindowPostion" value="87,165,1064,876"/>
      <ExtraDataItem name="GUI/Fullscreen" value="off"/>
      <ExtraDataItem name="GUI/Seamless" value="off"/>
      <ExtraDataItem name="GUI/AutoresizeGuest" value="on"/>
      <ExtraDataItem name="GUI/InfoDlgState" value="400,450,normal"/>
      <ExtraDataItem name="GUI/LastCloseAction" value="save"/>
    </ExtraData>
    <Hardware>
      <CPU count="1">
        <HardwareVirtEx enabled="false"/>
      </CPU>
      <Memory RAMSize="1024"/>
      <Boot>
        <Order position="1" device="Floppy"/>
        <Order position="2" device="DVD"/>
        <Order position="3" device="HardDisk"/>
      </Boot>
      <Display VRAMSize="12" monitorCount="1" accelerate3D="false"/>
      <RemoteDisplay enabled="true" port="10001" authType="External" authTimeout="5000" allowMultiConnection="true"/>
      <BIOS>
        <ACPI enabled="true"/>
        <IOAPIC enabled="false"/>
        <Logo fadeIn="true" fadeOut="true" displayTime="0"/>
        <BootMenu mode="MessageAndMenu"/>
        <TimeOffset value="0"/>
        <PXEDebug enabled="false"/>
        <IDEController type="PIIX4"/>
      </BIOS>
      <DVDDrive passthrough="false">
        <Image uuid="{b4b2e47f-f0a7-4396-83f1-aa20faedb9e6}"/>
      </DVDDrive>
      <FloppyDrive enabled="true"/>
      <USBController enabled="true" enabledEhci="true"/>
      <SATAController enabled="false" PortCount="1" IDE0MasterEmulationPort="0" IDE0SlaveEmulationPort="1" IDE1MasterEmulationPort="2" IDE1SlaveEmulationPort="3"/>
      <Network>
        <Adapter slot="0" enabled="false" MACAddress="08002717C2CF" cable="true" speed="0" type="Am79C973"/>
        <Adapter slot="1" enabled="true" MACAddress="080027A2D84F" cable="true" speed="0" type="Am79C973">
          <HostInterface name="eth0"/>
        </Adapter>
        <Adapter slot="2" enabled="false" MACAddress="0800277012B4" cable="true" speed="0" type="Am79C973"/>
        <Adapter slot="3" enabled="false" MACAddress="0800272C053F" cable="true" speed="0" type="Am79C973"/>
        <Adapter slot="4" enabled="false" MACAddress="080027107FB4" cable="true" speed="0" type="Am79C973"/>
        <Adapter slot="5" enabled="false" MACAddress="0800270F70B0" cable="true" speed="0" type="Am79C973"/>
        <Adapter slot="6" enabled="false" MACAddress="0800273747B8" cable="true" speed="0" type="Am79C973"/>
        <Adapter slot="7" enabled="false" MACAddress="0800271EB2F6" cable="true" speed="0" type="Am79C973"/>
      </Network>
      <UART>
        <Port slot="0" enabled="false" IOBase="0x3f8" IRQ="4" hostMode="Disconnected"/>
        <Port slot="1" enabled="false" IOBase="0x3f8" IRQ="4" hostMode="Disconnected"/>
      </UART>
      <LPT>
        <Port slot="0" enabled="false" IOBase="0x378" IRQ="4"/>
        <Port slot="1" enabled="false" IOBase="0x378" IRQ="4"/>
      </LPT>
      <AudioAdapter controller="AC97" driver="ALSA" enabled="true"/>
      <SharedFolders/>
      <Clipboard mode="Bidirectional"/>
      <Guest memoryBalloonSize="0" statisticsUpdateInterval="0"/>
      <GuestProperties>
        <GuestProperty name="/VirtualBox/GuestInfo/OS/Product" value="Windows XP Professional" timestamp="1239584142439870000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestInfo/OS/Release" value="5.1.2600" timestamp="1239584142443012000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestInfo/OS/ServicePack" value="3" timestamp="1239584142448229000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestAdd/InstallDir" value="C:/Program Files/Sun/xVM VirtualBox Guest Additions" timestamp="1239584142450522000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestAdd/Revision" value="42893" timestamp="1239584142451779000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestAdd/Version" value="2.1.4" timestamp="1239584142458116000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestAdd/Components/VBoxControl.exe" value="2.1.4r42893" timestamp="1239584142483401000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestAdd/Components/VBoxHook.dll" value="2.1.4r42893" timestamp="1239584142501602000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestAdd/Components/VBoxDisp.dll" value="2.1.4r42893" timestamp="1239584142508539000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestAdd/Components/VBoxMRXNP.dll" value="2.1.4r42893" timestamp="1239584142517801000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestAdd/Components/VBoxService.exe" value="2.1.4r42893" timestamp="1239584142518242000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestAdd/Components/VBoxTray.exe" value="2.1.4r42893" timestamp="1239584142519340000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestAdd/Components/VBoxGuest.sys" value="2.1.4r42893" timestamp="1239584142520651000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestAdd/Components/VBoxMouse.sys" value="2.1.4r42893" timestamp="1239584142524673000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestAdd/Components/VBoxSF.sys" value="2.1.4r42893" timestamp="1239584142526033000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestAdd/Components/VBoxVideo.sys" value="2.1.4r42893" timestamp="1239584142527437000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestInfo/OS/NoLoggedInUsers" value="false" timestamp="1239584259175743000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestInfo/OS/LoggedInUsers" value="1" timestamp="1239664250023703000" flags=""/>
        <GuestProperty name="/VirtualBox/HostInfo/GUI/LanguageID" value="C" timestamp="1236838466410110000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestInfo/Net/Count" value="1" timestamp="1239664250008416000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestInfo/Net/0/V4/IP" value="192.168.0.9" timestamp="1239664250009475000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestInfo/Net/0/V4/Broadcast" value="255.255.255.255" timestamp="1239664250010448000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestInfo/Net/0/V4/Netmask" value="255.255.255.0" timestamp="1239664250011551000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestInfo/Net/0/Status" value="Up" timestamp="1239664250013295000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestInfo/OS/LoggedInUsersList" value="kittykat" timestamp="1239664250022489000" flags=""/>
      </GuestProperties>
    </Hardware>
    <HardDiskAttachments>
      <HardDiskAttachment hardDisk="{fa9f2eda-0dfc-4def-99aa-3ec072b7dcdf}" bus="IDE" channel="0" device="0"/>
    </HardDiskAttachments>
  </Machine>
</VirtualBox>

cat /vm/virtualPC2.xml:
<?xml version="1.0" encoding="UTF-8"?>
<!-- Sun xVM VirtualBox Machine Configuration -->
<VirtualBox xmlns="http://www.innotek.de/VirtualBox-settings" version="1.6-linux">
  <Machine uuid="{2e3830da-980d-4241-a590-849271fd92f3}" name="virtualPC2" OSType="WindowsXP" lastStateChange="2009-04
-13T03:53:31Z" snapshotFolder="/vm/virtualPC2/snapshots">
    <ExtraData>
      <ExtraDataItem name="GUI/LastCloseAction" value="save"/>
      <ExtraDataItem name="GUI/LastWindowPostion" value="127,197,992,844"/>
      <ExtraDataItem name="GUI/Fullscreen" value="off"/>
      <ExtraDataItem name="GUI/Seamless" value="off"/>
      <ExtraDataItem name="GUI/AutoresizeGuest" value="on"/>
      <ExtraDataItem name="GUI/SaveMountedAtRuntime" value="yes"/>
      <ExtraDataItem name="GUI/InfoDlgState" value="400,450,normal"/>
    </ExtraData>
    <Hardware>
      <CPU count="1">
        <HardwareVirtEx enabled="false"/>
      </CPU>
      <Memory RAMSize="1024"/>
      <Boot>
        <Order position="1" device="Floppy"/>
        <Order position="2" device="DVD"/>
        <Order position="3" device="HardDisk"/>
      </Boot>
      <Display VRAMSize="12" monitorCount="1" accelerate3D="false"/>
      <RemoteDisplay enabled="true" port="20001" authType="External" authTimeout="5000" allowMultiConnection="true"/>
      <BIOS>
        <ACPI enabled="true"/>
        <IOAPIC enabled="false"/>
        <Logo fadeIn="true" fadeOut="true" displayTime="0"/>
        <BootMenu mode="MessageAndMenu"/>
        <TimeOffset value="0"/>
        <PXEDebug enabled="false"/>
        <IDEController type="PIIX4"/>
      </BIOS>
      <DVDDrive passthrough="false">
        <Image uuid="{b4b2e47f-f0a7-4396-83f1-aa20faedb9e6}"/>
      </DVDDrive>
      <FloppyDrive enabled="true"/>
      <USBController enabled="false" enabledEhci="false"/>
      <SATAController enabled="false" PortCount="1" IDE0MasterEmulationPort="0" IDE0SlaveEmulationPort="1" IDE1MasterEmulationPort="2" IDE1SlaveEmulationPort="3"/>
      <Network>
        <Adapter slot="0" enabled="true" MACAddress="0800272AF89A" cable="true" speed="0" type="Am79C973">
          <HostInterface name="eth0"/>
        </Adapter>
        <Adapter slot="1" enabled="false" MACAddress="08002741EB21" cable="true" speed="0" type="Am79C973"/>
        <Adapter slot="2" enabled="false" MACAddress="0800270BEA74" cable="true" speed="0" type="Am79C973"/>
        <Adapter slot="3" enabled="false" MACAddress="080027A2417F" cable="true" speed="0" type="Am79C973"/>
        <Adapter slot="4" enabled="false" MACAddress="080027AE45D5" cable="true" speed="0" type="Am79C973"/>
        <Adapter slot="5" enabled="false" MACAddress="0800272756EE" cable="true" speed="0" type="Am79C973"/>
        <Adapter slot="6" enabled="false" MACAddress="080027093C8A" cable="true" speed="0" type="Am79C973"/>
        <Adapter slot="7" enabled="false" MACAddress="08002747BFF2" cable="true" speed="0" type="Am79C973"/>
      </Network>
      <UART>
        <Port slot="0" enabled="false" IOBase="0x3f8" IRQ="4" hostMode="Disconnected"/>
        <Port slot="1" enabled="false" IOBase="0x3f8" IRQ="4" hostMode="Disconnected"/>
      </UART>
      <LPT>
        <Port slot="0" enabled="false" IOBase="0x378" IRQ="4"/>
        <Port slot="1" enabled="false" IOBase="0x378" IRQ="4"/>
      </LPT>
      <AudioAdapter controller="AC97" driver="ALSA" enabled="true"/>
      <SharedFolders/>
      <Clipboard mode="Bidirectional"/>
      <Guest memoryBalloonSize="0" statisticsUpdateInterval="0"/>
      <GuestProperties>
        <GuestProperty name="/VirtualBox/GuestInfo/OS/Product" value="Windows XP Professional" timestamp="1239584043646248000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestInfo/OS/Release" value="5.1.2600" timestamp="1239584043696632000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestInfo/OS/ServicePack" value="3" timestamp="1239584043710177000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestAdd/InstallDir" value="C:/Program Files/Sun/xVM VirtualBox Guest Additions" timestamp="1239584043712321000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestAdd/Revision" value="42893" timestamp="1239584043715084000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestAdd/Version" value="2.1.4" timestamp="1239584043724515000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestAdd/Components/VBoxControl.exe" value="2.1.4r42893" timestamp="1239584043743704000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestAdd/Components/VBoxHook.dll" value="2.1.4r42893" timestamp="1239584043760311000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestAdd/Components/VBoxDisp.dll" value="2.1.4r42893" timestamp="1239584043765666000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestAdd/Components/VBoxMRXNP.dll" value="2.1.4r42893" timestamp="1239584043768535000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestAdd/Components/VBoxService.exe" value="2.1.4r42893" timestamp="1239584043768906000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestAdd/Components/VBoxTray.exe" value="2.1.4r42893" timestamp="1239584043770071000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestAdd/Components/VBoxGuest.sys" value="2.1.4r42893" timestamp="1239584043771247000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestAdd/Components/VBoxMouse.sys" value="2.1.4r42893" timestamp="1239584043772276000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestAdd/Components/VBoxSF.sys" value="2.1.4r42893" timestamp="1239584043775046000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestAdd/Components/VBoxVideo.sys" value="2.1.4r42893" timestamp="1239584043777339000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestInfo/OS/LoggedInUsers" value="1" timestamp="1239594794556999000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestInfo/OS/NoLoggedInUsers" value="false" timestamp="1239584239709370000" flags=""/>
        <GuestProperty name="/VirtualBox/HostInfo/GUI/LanguageID" value="C" timestamp="1236835814210801000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestInfo/Net/Count" value="1" timestamp="1239594794545108000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestInfo/Net/0/V4/IP" value="192.168.0.7" timestamp="1239594794545981000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestInfo/Net/0/V4/Broadcast" value="255.255.255.255" timestamp="1239594794546246000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestInfo/Net/0/V4/Netmask" value="255.255.255.0" timestamp="1239594794546519000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestInfo/Net/0/Status" value="Up" timestamp="1239594794546973000" flags=""/>
        <GuestProperty name="/VirtualBox/GuestInfo/OS/LoggedInUsersList" value="geojak" timestamp="1239594794556527000" flags=""/>
      </GuestProperties>
    </Hardware>
    <HardDiskAttachments>
      <HardDiskAttachment hardDisk="{c0f95f64-5438-4c7e-99df-6b5f9da61807}" bus="IDE" channel="0" device="0"/>
    </HardDiskAttachments>
  </Machine>
</VirtualBox>
Thanks,
Geoff
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gthieme
Posts: 5
Joined: 24. Feb 2009, 03:00

Re: Running multiple VMs causes kernel soft lockup

Post by gthieme »

Upgrading to Ubuntu 9.04 and VirtualBox 2.2 solved my stability issues.
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