ghc crash

Interval Since Last Panic Report:  4179520 sec
Panics Since Last Report:          5
Anonymous UUID:                    1120CBDC-7AB8-0506-91A9-C2FD34C0D644

Tue Apr 22 10:56:08 2014
panic(cpu 2 caller 0xffffff8028d26fba): "negative open count (c, 16, 1)"@/SourceCache/xnu/xnu-2050.48.12/bsd/miscfs/specfs/spec_vnops.c:1813
Backtrace (CPU 2), Frame : Return Address
0xffffff8233a93be0 : 0xffffff8028c1d636 
0xffffff8233a93c50 : 0xffffff8028d26fba 
0xffffff8233a93c90 : 0xffffff8028d2be46 
0xffffff8233a93ce0 : 0xffffff8028d18eb6 
0xffffff8233a93d20 : 0xffffff8028d1055f 
0xffffff8233a93d50 : 0xffffff8028d0f6f5 
0xffffff8233a93da0 : 0xffffff8028f5468c 
0xffffff8233a93e10 : 0xffffff8028f54c06 
0xffffff8233a93e50 : 0xffffff8028f5eab9 
0xffffff8233a93ec0 : 0xffffff8028c3a0e9 
0xffffff8233a93ef0 : 0xffffff8028c3cc48 
0xffffff8233a93f20 : 0xffffff8028c3cabe 
0xffffff8233a93f50 : 0xffffff8028c1b70d 
0xffffff8233a93f90 : 0xffffff8028cb8f53 
0xffffff8233a93fb0 : 0xffffff8028ccebcc 

BSD process name corresponding to current thread: ghc

Mac OS version:
12F45

Kernel version:
Darwin Kernel Version 12.5.0: Sun Sep 29 13:33:47 PDT 2013; root:xnu-2050.48.12~1/RELEASE_X86_64
Kernel UUID: EA38B02E-2B88-309F-BA68-1DE29F605DD8
Kernel slide:     0x0000000028a00000
Kernel text base: 0xffffff8028c00000
System model name: MacBookPro10,1 (Mac-C3EC7CD22292981F)

System uptime in nanoseconds: 123000505412343
last loaded kext at 118067571876534: com.apple.iokit.AppleBCM5701Ethernet	3.6.2b4 (addr 0xffffff7fab0e0000, size 233472)
last unloaded kext at 118169581598322: com.apple.driver.AppleUSBCDC	4.1.23 (addr 0xffffff7fab08b000, size 12288)
loaded kexts:
org.virtualbox.kext.VBoxNetAdp	4.2.12
org.virtualbox.kext.VBoxNetFlt	4.2.12
org.virtualbox.kext.VBoxUSB	4.2.12
org.virtualbox.kext.VBoxDrv	4.2.12
com.apple.iokit.AppleBCM5701Ethernet	3.6.2b4
com.apple.filesystems.smbfs	1.8.4
com.apple.driver.AudioAUUC	1.60
com.apple.driver.AppleHWSensor	1.9.5d0
com.apple.iokit.IOBluetoothSerialManager	4.1.7f2
com.apple.filesystems.autofs	3.0
com.apple.driver.AGPM	100.13.12
com.apple.driver.ApplePlatformEnabler	2.0.7d2
com.apple.driver.X86PlatformShim	1.0.0
com.apple.driver.AppleMikeyHIDDriver	124
com.apple.driver.AppleHDA	2.4.7fc4
com.apple.iokit.IOUserEthernet	1.0.0d1
com.apple.driver.AppleSMCLMU	2.0.3d0
com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport	4.1.7f4
com.apple.driver.AppleMikeyDriver	2.4.7fc4
com.apple.driver.AppleSMCPDRC	1.0.0
com.apple.Dont_Steal_Mac_OS_X	7.0.0
com.apple.driver.ApplePolicyControl	3.4.5
com.apple.driver.AppleSMBusPCI	1.0.11d1
com.apple.GeForce	8.1.6
com.apple.driver.AppleUpstreamUserClient	3.5.12
com.apple.driver.AppleMuxControl	3.4.5
com.apple.driver.AppleMCCSControl	1.1.11
com.apple.driver.AppleLPC	1.6.3
com.apple.driver.AppleIntelHD4000Graphics	8.1.6
com.apple.driver.AppleIntelFramebufferCapri	8.1.6
com.apple.driver.AppleUSBTCButtons	237.1
com.apple.driver.AppleUSBTCKeyboard	237.1
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless	1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib	1.0.0d1
com.apple.BootCache	34
com.apple.driver.XsanFilter	404
com.apple.iokit.IOAHCIBlockStorage	2.3.5
com.apple.driver.AppleUSBHub	635.4.0
com.apple.driver.AppleSDXC	1.4.3
com.apple.driver.AirPort.Brcm4331	615.20.17
com.apple.driver.AppleAHCIPort	2.6.6
com.apple.driver.AppleUSBEHCI	621.4.6
com.apple.driver.AppleUSBXHCI	635.4.0
com.apple.driver.AppleSmartBatteryManager	161.0.0
com.apple.driver.AppleACPIButtons	1.8
com.apple.driver.AppleRTC	1.5
com.apple.driver.AppleHPET	1.8
com.apple.driver.AppleSMBIOS	1.9
com.apple.driver.AppleACPIEC	1.8
com.apple.driver.AppleAPIC	1.7
com.apple.driver.AppleIntelCPUPowerManagementClient	214.0.0
com.apple.nke.applicationfirewall	4.0.39
com.apple.security.quarantine	2.1
com.apple.driver.AppleIntelCPUPowerManagement	214.0.0
com.apple.iokit.IOEthernetAVBController	1.0.2b1
com.apple.driver.AppleThunderboltPCIUpAdapter	1.3.2
com.apple.iokit.IOSerialFamily	10.0.6
com.apple.kext.triggers	1.0
com.apple.iokit.IOSCSIArchitectureModelFamily	3.5.6
com.apple.driver.DspFuncLib	2.4.7fc4
com.apple.iokit.IOAudioFamily	1.9.2fc7
com.apple.kext.OSvKernDSPLib	1.12
com.apple.iokit.IOSurface	86.0.4
com.apple.iokit.IOBluetoothHostControllerUSBTransport	4.1.7f2
com.apple.iokit.IOBluetoothFamily	4.1.7f2
com.apple.driver.AppleHDAController	2.4.7fc4
com.apple.iokit.IOHDAFamily	2.4.7fc4
com.apple.nvidia.gk100hal	8.1.6
com.apple.NVDAResman	8.1.6
com.apple.driver.AppleGraphicsControl	3.4.5
com.apple.driver.AppleBacklightExpert	1.0.4
com.apple.driver.AppleSMBusController	1.0.11d1
com.apple.driver.X86PlatformPlugin	1.0.0
com.apple.driver.AppleSMC	3.1.5d4
com.apple.driver.IOPlatformPluginFamily	5.4.1d13
com.apple.iokit.IOAcceleratorFamily	74.15
com.apple.iokit.IONDRVSupport	2.3.7
com.apple.iokit.IOGraphicsFamily	2.3.7
com.apple.driver.AppleUSBMultitouch	237.3
com.apple.iokit.IOUSBHIDDriver	623.4.0
com.apple.driver.AppleThunderboltDPInAdapter	2.5.0
com.apple.driver.AppleThunderboltDPAdapterFamily	2.5.0
com.apple.driver.AppleThunderboltPCIDownAdapter	1.3.2
com.apple.driver.AppleUSBMergeNub	621.4.6
com.apple.driver.AppleUSBComposite	621.4.0
com.apple.driver.AppleThunderboltNHI	1.9.2
com.apple.iokit.IOThunderboltFamily	2.7.7
com.apple.iokit.IOUSBUserClient	630.4.4
com.apple.iokit.IO80211Family	530.5
com.apple.iokit.IONetworkingFamily	3.0
com.apple.iokit.IOAHCIFamily	2.5.1
com.apple.iokit.IOUSBFamily	635.4.0
com.apple.driver.AppleEFINVRAM	2.0
com.apple.iokit.IOHIDFamily	1.8.1
com.apple.driver.AppleEFIRuntime	2.0
com.apple.iokit.IOSMBusFamily	1.1
com.apple.security.sandbox	220.3
com.apple.kext.AppleMatch	1.0.0d1
com.apple.security.TMSafetyNet	7
com.apple.driver.DiskImages	345
com.apple.iokit.IOStorageFamily	1.8
com.apple.driver.AppleKeyStore	28.21
com.apple.driver.AppleACPIPlatform	1.8
com.apple.iokit.IOPCIFamily	2.8
com.apple.iokit.IOACPIFamily	1.4
com.apple.kec.corecrypto	1.0
Model: MacBookPro10,1, BootROM MBP101.00EE.B03, 4 processors, Intel Core i7, 2.7 GHz, 16 GB, SMC 2.3f36
Graphics: Intel HD Graphics 4000, Intel HD Graphics 4000, Built-In, 512 MB
Graphics: NVIDIA GeForce GT 650M, NVIDIA GeForce GT 650M, PCIe, 1024 MB
Memory Module: BANK 0/DIMM0, 8 GB, DDR3, 1600 MHz, 0x80AD, 0x484D5434314753364D465238432D50422020
Memory Module: BANK 1/DIMM0, 8 GB, DDR3, 1600 MHz, 0x80AD, 0x484D5434314753364D465238432D50422020
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xEF), Broadcom BCM43xx 1.0 (5.106.98.100.17)
Bluetooth: Version 4.1.7f2 12718, 3 service, 21 devices, 3 incoming serial ports
Network Service: Thunderbolt Ethernet, Ethernet, en2
Network Service: Wi-Fi, AirPort, en0
PCI Card: Apple 57762-A0, sppci_ethernet, Thunderbolt@10,0,0
Serial ATA Device: APPLE SSD SM256E, 251 GB
USB Device: hub_device, 0x8087  (Intel Corporation), 0x0024, 0x1a100000 / 2
USB Device: FaceTime HD Camera (Built-in), apple_vendor_id, 0x8510, 0x1a110000 / 3
USB Device: hub_device, 0x8087  (Intel Corporation), 0x0024, 0x1d100000 / 2
USB Device: hub_device, 0x0424  (SMSC), 0x2512, 0x1d180000 / 3
USB Device: BRCM20702 Hub, 0x0a5c  (Broadcom Corp.), 0x4500, 0x1d181000 / 5
USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x8286, 0x1d181300 / 7
USB Device: Apple Internal Keyboard / Trackpad, apple_vendor_id, 0x0262, 0x1d182000 / 4