Kernel Panic: Spinlock acquisition timed out

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Ik heb hier regelmatig (ééns in de zoveel maanden ofzo) wel eens dat mijn iMac volledig vastloopt en mij forceert om de iMac met de powerknop ingedrukt te houden uit te schakelen. Ik had op de "Spinlock acquisition timed out" panic melding gegoogled, maar ik merk al snel dat eenzelfde melding allerlei dingen kan betekenen, afhankelijk van de omliggende debug info.

Aangezien ik hier nul verstand van heb, wil ik het graag jullie even vragen wat hier gaande zou kunnen zijn.

Ik zag ook Firefox voorkomen in de debug info, maar daar kan niet echt iets mee aan de hand zijn, die app heb ik bijna nooit aanstaan (gebruik doorgaans Chrome).

code:

Interval Since Last Panic Report:  2173058 sec
Panics Since Last Report:          4
Anonymous UUID:                    26D2C9E5-2CDA-4386-AEEC-A21012A8C927

Thu Jan 26 09:06:47 2012
Panic(CPU 3): NMIPI for spinlock acquisition timeout, spinlock: 0x869f20, spinlock owner: 0x8bb13d4, current_thread: 0x8bb13d4, spinlock_owner_cpu: 0x3
EAX: 0x00000000, EBX: 0x00000002, ECX: 0x00000000, EDX: 0x00000000
CR2: 0x36e3bfc0, EBP: 0x5e1a3e48, ESI: 0x00001f1c, EDI: 0x57335000
EFL: 0x00000046, EIP: 0x002a45e3, CS:  0x00000008, DS:  0x714f0010
Backtrace (CPU 3), Frame : Return Address (4 potential args on stack)
0x573b6f48 : 0x2b32c3 (0x5e1a3db0 0x0 0x573b6f78 0x2aa21d) 
0x573b6f78 : 0x2ab423 (0x2 0x5e1a3db0 0x573b6f98 0x2ad000) 
0x573b6fd8 : 0x2a1c2e (0x5e1a3db0 0x57335000 0x5e5fbd68 0x2a40de) 
0x5e1a3e48 : 0x298fd0 (0x0 0x1f1c 0x1d4c0 0x71e6249d) 
0x5e1a3e68 : 0x231ba4 (0x71e6249d 0x1f1c 0x2c 0x9f6eb003) 
0x5e1a3eb8 : 0x226e2f (0x57335024 0x8bb13d4 0x71e6249d 0x1f1c) 
0x5e1a3ef8 : 0x22706e (0x841d3d4 0x8bb13d4 0x8bb14b0 0x2a0577) 
0x5e1a3f78 : 0x22743b (0x847e68 0x847e40 0x8bb13d4 0xbfffe2e4) 
0x5e1a3fa8 : 0x22812e (0x841d3d4 0x2280f4 0x0 0x8bb13d4) 
0x5e1a3fc8 : 0x2a179c (0x0 0xffffffff 0x10 0x8ad1fc4) 

BSD process name corresponding to current thread: firefox

Mac OS version:
10K549

Kernel version:
Darwin Kernel Version 10.8.0: Tue Jun  7 16:33:36 PDT 2011; root:xnu-1504.15.3~1/RELEASE_I386
System model name: iMac11,3 (Mac-F2238BAE)

System uptime in nanoseconds: 34207343480939
unloaded kexts:
com.apple.filesystems.ntfs  3.4 (addr 0x5e3ca000, size 0x393216) - last unloaded 515913516548
loaded kexts:
org.virtualbox.kext.VBoxNetAdp  4.1.4
org.virtualbox.kext.VBoxNetFlt  4.1.4
org.virtualbox.kext.VBoxUSB 4.1.4
org.virtualbox.kext.VBoxDrv 4.1.4
com.apple.filesystems.smbfs 1.6.7 - last loaded 17502992111108
com.apple.filesystems.afpfs 9.7.1
com.apple.nke.asp_tcp   5.0
com.apple.filesystems.msdosfs   1.6.3
com.apple.driver.AppleBluetoothMultitouch   54.3
com.apple.filesystems.autofs    2.1.0
com.apple.driver.AGPM   100.12.31
com.apple.driver.AppleHWSensor  1.9.3d0
com.apple.driver.AppleMikeyHIDDriver    1.2.0
com.apple.driver.AppleUpstreamUserClient    3.5.7
com.apple.driver.AppleMCCSControl   1.0.20
com.apple.driver.AppleHDA   2.0.5f14
com.apple.driver.AppleMikeyDriver   2.0.5f14
com.apple.kext.ATIFramebuffer   6.3.6
com.apple.driver.AudioAUUC  1.57
com.apple.ATIRadeonX3000    6.3.6
com.apple.Dont_Steal_Mac_OS_X   7.0.0
com.apple.driver.AudioIPCDriver 1.1.6
com.apple.driver.AirPort.Atheros21  425.14.7
com.apple.driver.ACPI_SMC_PlatformPlugin    4.7.0a1
com.apple.driver.AppleLPC   1.5.1
com.apple.driver.AppleBacklight 170.0.46
com.apple.driver.AppleIRController  303.8
com.apple.driver.AppleUSBCardReader 2.6.1
com.apple.iokit.SCSITaskUserClient  2.6.8
com.apple.BootCache 31.1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1
com.apple.iokit.IOAHCIBlockStorage  1.6.4
com.apple.driver.AppleFWOHCI    4.7.3
com.apple.driver.AppleUSBHub    4.2.4
com.apple.iokit.AppleBCM5701Ethernet    3.0.5b8
com.apple.driver.AppleEFINVRAM  1.4.0
com.apple.driver.AppleAHCIPort  2.1.7
com.apple.driver.AppleUSBEHCI   4.2.4
com.apple.driver.AppleACPIButtons   1.3.6
com.apple.driver.AppleRTC   1.3.1
com.apple.driver.AppleHPET  1.5
com.apple.driver.AppleSMBIOS    1.7
com.apple.driver.AppleACPIEC    1.3.6
com.apple.driver.AppleAPIC  1.4
com.apple.driver.AppleIntelCPUPowerManagementClient 142.6.0
com.apple.security.sandbox  1
com.apple.security.quarantine   0
com.apple.nke.applicationfirewall   2.1.14
com.apple.driver.AppleIntelCPUPowerManagement   142.6.0
com.apple.driver.IOBluetoothHIDDriver   2.4.5f3
com.apple.driver.AppleMultitouchDriver  207.11
com.apple.driver.DspFuncLib 2.0.5f14
com.apple.driver.AppleProfileReadCounterAction  17
com.apple.driver.AppleProfileTimestampAction    10
com.apple.driver.AppleProfileThreadInfoAction   14
com.apple.driver.AppleProfileRegisterStateAction    10
com.apple.driver.AppleProfileKEventAction   10
com.apple.driver.AppleProfileCallstackAction    20
com.apple.driver.AppleSMBusController   1.0.10d0
com.apple.kext.ATI5000Controller    6.3.6
com.apple.kext.ATISupport   6.3.6
com.apple.iokit.IOFireWireIP    2.0.3
com.apple.iokit.IOSurface   74.2
com.apple.iokit.IOBluetoothSerialManager    2.4.5f3
com.apple.iokit.IOSerialFamily  10.0.3
com.apple.iokit.IOAudioFamily   1.8.3fc2
com.apple.kext.OSvKernDSPLib    1.3
com.apple.driver.AppleHDAController 2.0.5f14
com.apple.iokit.IOHDAFamily 2.0.5f14
com.apple.iokit.IO80211Family   320.1
com.apple.iokit.AppleProfileFamily  41
com.apple.driver.AppleSMC   3.1.0d5
com.apple.driver.IOPlatformPluginFamily 4.7.0a1
com.apple.driver.AppleSMBusPCI  1.0.10d0
com.apple.driver.AppleBacklightExpert   1.0.1
com.apple.iokit.IONDRVSupport   2.2.1
com.apple.iokit.IOGraphicsFamily    2.2.1
com.apple.driver.AppleUSBHIDKeyboard    141.5
com.apple.driver.AppleHIDKeyboard   141.5
com.apple.driver.BroadcomUSBBluetoothHCIController  2.4.5f3
com.apple.driver.AppleUSBBluetoothHCIController 2.4.5f3
com.apple.iokit.IOBluetoothFamily   2.4.5f3
com.apple.iokit.IOUSBHIDDriver  4.2.0
com.apple.iokit.IOSCSIBlockCommandsDevice   2.6.8
com.apple.iokit.IOUSBMassStorageClass   2.6.7
com.apple.driver.AppleUSBMergeNub   4.2.4
com.apple.driver.AppleUSBComposite  3.9.0
com.apple.iokit.IOSCSIMultimediaCommandsDevice  2.6.8
com.apple.iokit.IOBDStorageFamily   1.6
com.apple.iokit.IODVDStorageFamily  1.6
com.apple.iokit.IOCDStorageFamily   1.6.1
com.apple.driver.XsanFilter 402.1
com.apple.iokit.IOAHCISerialATAPI   1.2.6
com.apple.iokit.IOSCSIArchitectureModelFamily   2.6.8
com.apple.iokit.IOFireWireFamily    4.2.6
com.apple.iokit.IOUSBUserClient 4.2.4
com.apple.iokit.IONetworkingFamily  1.10
com.apple.iokit.IOAHCIFamily    2.0.6
com.apple.iokit.IOUSBFamily 4.2.4
com.apple.driver.AppleEFIRuntime    1.4.0
com.apple.iokit.IOHIDFamily 1.6.6
com.apple.iokit.IOSMBusFamily   1.1
com.apple.kext.AppleMatch   1.0.0d1
com.apple.security.TMSafetyNet  6
com.apple.driver.DiskImages 289
com.apple.iokit.IOStorageFamily 1.6.3
com.apple.driver.AppleACPIPlatform  1.3.6
com.apple.iokit.IOPCIFamily 2.6.5
com.apple.iokit.IOACPIFamily    1.3.0
panic(cpu 0 caller 0x2a0663): "Spinlock acquisition timed out: lock=0x869f20, lock owner thread=0x8bb13d4, current_thread: 0xa0fe000, lock owner active on CPU 0x3"@/SourceCache/xnu/xnu-1504.15.3/osfmk/i386/locks_i386.c:374
Backtrace (CPU 0), Frame : Return Address (4 potential args on stack)
0x5e423da8 : 0x21b837 (0x5dd7fc 0x5e423ddc 0x223ce1 0x0) 
0x5e423df8 : 0x2a0663 (0x59ccb0 0x869f20 0x8bb13d4 0xa0fe000) 
0x5e423e38 : 0x2317d2 (0x869f20 0x0 0x635c1c6a 0x84baa0) 
0x5e423e78 : 0x226959 (0x84bac4 0x1f1c 0x8278c58 0x0) 
0x5e423ee8 : 0x2275b0 (0xa0fe01c 0x0 0x86a4604 0x506ad1) 
0x5e423f58 : 0x227631 (0x23014c 0x863ea0 0x0 0x2a45c9) 
0x5e423f78 : 0x2302e6 (0x23014c 0x863ea0 0x0 0x0) 
0x5e423fc8 : 0x2a179c (0x863ea0 0x0 0x10 0x9828320) 

BSD process name corresponding to current thread: kernel_task
Model: iMac11,3, BootROM IM112.0057.B00, 2 processors, Intel Core i3, 3.2 GHz, 4 GB, SMC 1.59f2
Graphics: ATI Radeon HD 5670, ATI Radeon HD 5670, PCIe, 512 MB
Memory Module: global_name
Bluetooth: Version 2.4.5f3, 2 service, 19 devices, 1 incoming serial ports
Network Service: Ethernet, Ethernet, en0
Serial ATA Device: ST31000528AS, 931,51 GB
Serial ATA Device: OPTIARC DVD RW AD-5680H
USB Device: Hub, 0x0424  (SMSC), 0x2514, 0xfa100000 / 2
USB Device: Internal Memory Card Reader, 0x05ac  (Apple Inc.), 0x8403, 0xfa120000 / 4
USB Device: BRCM2046 Hub, 0x0a5c  (Broadcom Corp.), 0x4500, 0xfa110000 / 3
USB Device: Bluetooth USB Host Controller, 0x05ac  (Apple Inc.), 0x8215, 0xfa111000 / 5
USB Device: Hub, 0x0424  (SMSC), 0x2514, 0xfd100000 / 2
USB Device: Keyboard Hub, 0x05ac  (Apple Inc.), 0x1006, 0xfd130000 / 6
USB Device: Apple Keyboard, 0x05ac  (Apple Inc.), 0x0221, 0xfd132000 / 7
USB Device: USB Flash Memory, 0x0930  (Toshiba Corporation), 0x6545, 0xfd140000 / 5
USB Device: Built-in iSight, 0x05ac  (Apple Inc.), 0x8502, 0xfd110000 / 4
USB Device: IR Receiver, 0x05ac  (Apple Inc.), 0x8242, 0xfd120000 / 3