Hi Ogelthorpe, thanks a LOT for your help!
this is one of the latest panic logs:
Anonymous UUID: 78583D0E-612C-20CF-8880-65B248B93E99
Wed Jan 13 18:33:25 2016
panic(cpu 3 caller 0xffffff8008d6a197): "hfs_vnop_link: error 2 updating vp @ 0xffffff801baa34b0\n"@/SourceCache/xnu/xnu-2422.115.14/bsd/hfs/hfs_link.c:649
Backtrace (CPU 3), Frame : Return Address
0xffffff80a22ab9b0 : 0xffffff8008a23139
0xffffff80a22aba30 : 0xffffff8008d6a197
0xffffff80a22abb60 : 0xffffff8008bff6e7
0xffffff80a22abbd0 : 0xffffff8008be8c5e
0xffffff80a22abf50 : 0xffffff8008e41a23
0xffffff80a22abfb0 : 0xffffff8008af4c86
BSD process name corresponding to current thread: backupd
Mac OS version:
13F1507
Kernel version:
Darwin Kernel Version 13.4.0: Wed Mar 18 16:20:14 PDT 2015; root:xnu-2422.115.14~1/RELEASE_X86_64
Kernel UUID: 8B1A8FD1-2344-36C0-A7F5-D9D485A995FA
Kernel slide: 0x0000000008800000
Kernel text base: 0xffffff8008a00000
System model name: MacBookAir4,2 (Mac-742912EFDBEE19B3)
System uptime in nanoseconds: 836776733868
last loaded kext at 247557457014: com.apple.filesystems.msdosfs 1.9 (addr 0xffffff7f894c9000, size 65536)
loaded kexts:
org.virtualbox.kext.VBoxNetAdp 5.0.10
org.virtualbox.kext.VBoxNetFlt 5.0.10
org.virtualbox.kext.VBoxUSB 5.0.10
org.virtualbox.kext.VBoxDrv 5.0.10
com.paceap.kext.pacesupport.snowleopard 5.9.1
com.digidesign.iokit.DigiDal 10.3.10d4
com.seagate.driver.PowSecLeafDriver_10_5 5.1.1
com.seagate.driver.PowSecDriverCore 5.1.1
com.apple.filesystems.msdosfs 1.9
com.apple.filesystems.exfat 1.4
com.apple.driver.AppleBluetoothMultitouch 80.14
com.apple.filesystems.autofs 3.0
com.apple.driver.AppleHWSensor 1.9.5d0
com.apple.driver.AudioAUUC 1.60
com.apple.iokit.IOBluetoothSerialManager 4.2.7f5
com.apple.driver.ApplePlatformEnabler 2.0.9d7
com.apple.driver.AppleTyMCEDriver 1.0.2d2
com.apple.driver.AGPM 100.14.34
com.apple.driver.AppleMikeyHIDDriver 124
com.apple.driver.AppleHDAHardwareConfigDriver 2.6.3f7
com.apple.iokit.IOBluetoothUSBDFU 4.2.7f5
com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport 4.2.7f5
com.apple.iokit.IOUserEthernet 1.0.0d1
com.apple.driver.AppleHDA 2.6.3f7
com.apple.Dont_Steal_Mac_OS_X 7.0.0
com.apple.driver.AppleHWAccess 1
com.apple.driver.AppleMikeyDriver 2.6.3f7
com.apple.driver.AppleLPC 1.7.0
com.apple.driver.ACPI_SMC_PlatformPlugin 1.0.0
com.apple.driver.AppleThunderboltIP 1.1.2
com.apple.driver.AppleMuxControl 3.6.22
com.apple.driver.AppleSMCLMU 2.0.4d1
com.apple.driver.AppleSMCPDRC 1.0.0
com.apple.driver.ApplePolicyControl 3.6.22
com.apple.driver.AppleUpstreamUserClient 3.5.13
com.apple.driver.AppleBacklight 170.4.11
com.apple.driver.AppleMCCSControl 1.2.5
com.apple.driver.AppleIntelHD3000Graphics 8.2.4
com.apple.driver.AppleIntelSNBGraphicsFB 8.2.4
com.apple.driver.AppleUSBTCButtons 240.2
com.apple.driver.AppleUSBTCKeyEventDriver 240.2
com.apple.driver.AppleUSBTCKeyboard 240.2
com.apple.iokit.SCSITaskUserClient 3.6.7
com.apple.driver.AppleUSBCardReader 3.4.1
com.apple.driver.AppleFileSystemDriver 3.0.1
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeLZVN 1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1
com.apple.BootCache 35
com.apple.driver.XsanFilter 404
com.apple.iokit.IOAHCIBlockStorage 2.6.0
com.apple.driver.AppleUSBHub 683.4.0
com.apple.driver.AirPort.Brcm4331 700.20.22
com.apple.driver.AppleAHCIPort 3.0.5
com.apple.driver.AppleUSBUHCI 656.4.1
com.apple.driver.AppleUSBEHCI 660.4.0
com.apple.driver.AppleSmartBatteryManager 161.0.0
com.apple.driver.AppleACPIButtons 2.0
com.apple.driver.AppleRTC 2.0
com.apple.driver.AppleHPET 1.8
com.apple.driver.AppleSMBIOS 2.1
com.apple.driver.AppleACPIEC 2.0
com.apple.driver.AppleAPIC 1.7
com.apple.driver.AppleIntelCPUPowerManagementClient 217.92.1
com.apple.nke.applicationfirewall 153
com.apple.security.quarantine 3
com.apple.driver.AppleIntelCPUPowerManagement 217.92.1
com.apple.driver.IOBluetoothHIDDriver 4.2.7f5
com.apple.driver.AppleMultitouchDriver 245.13.1
com.apple.kext.triggers 1.0
com.apple.iokit.IOSerialFamily 10.0.7
com.apple.AppleGraphicsDeviceControl 3.6.22
com.apple.iokit.IOBluetoothHostControllerUSBTransport 4.2.7f5
com.apple.iokit.IOSurface 91.3
com.apple.driver.DspFuncLib 2.6.3f7
com.apple.vecLib.kext 1.0.0
com.apple.iokit.IOAudioFamily 1.9.7fc2
com.apple.kext.OSvKernDSPLib 1.14
com.apple.iokit.IOBluetoothFamily 4.2.7f5
com.apple.driver.IOPlatformPluginLegacy 1.0.0
com.apple.driver.AppleThunderboltEDMSink 2.1.3
com.apple.driver.AppleThunderboltDPOutAdapter 3.1.7
com.apple.driver.AppleSMC 3.1.8
com.apple.driver.AppleSMBusPCI 1.0.12d1
com.apple.driver.IOPlatformPluginFamily 5.7.1d6
com.apple.driver.AppleGraphicsControl 3.6.22
com.apple.driver.AppleHDAController 2.6.3f7
com.apple.iokit.IOHDAFamily 2.6.3f7
com.apple.driver.AppleBacklightExpert 1.0.4
com.apple.driver.AppleSMBusController 1.0.12d1
com.apple.iokit.IONDRVSupport 2.4.1
com.apple.iokit.IOGraphicsFamily 2.4.1
com.apple.driver.AppleThunderboltDPInAdapter 3.1.7
com.apple.driver.AppleThunderboltDPAdapterFamily 3.1.7
com.apple.driver.AppleThunderboltPCIDownAdapter 1.4.5
com.apple.driver.AppleUSBMultitouch 240.10
com.apple.iokit.IOUSBHIDDriver 660.4.0
com.apple.iokit.IOUSBMassStorageClass 3.6.0
com.apple.driver.AppleUSBMergeNub 650.4.0
com.apple.driver.AppleUSBComposite 656.4.1
com.apple.iokit.IOFireWireSBP2 4.2.6
com.apple.iokit.IOFireWireFamily 4.5.5
com.apple.iokit.IOSCSIBlockCommandsDevice 3.6.7
com.apple.iokit.IOSCSIArchitectureModelFamily 3.6.7
com.apple.driver.AppleThunderboltNHI 2.0.1
com.apple.iokit.IOThunderboltFamily 3.3.1
com.apple.iokit.IOUSBUserClient 660.4.2
com.apple.iokit.IO80211Family 640.36
com.apple.iokit.IONetworkingFamily 3.2
com.apple.iokit.IOAHCIFamily 2.6.5
com.apple.iokit.IOUSBFamily 686.4.1
com.apple.driver.AppleEFINVRAM 2.0
com.apple.driver.AppleEFIRuntime 2.0
com.apple.iokit.IOHIDFamily 2.0.0
com.apple.iokit.IOSMBusFamily 1.1
com.apple.security.sandbox 278.11.2
com.apple.kext.AppleMatch 1.0.0d1
com.apple.security.TMSafetyNet 7
com.apple.driver.AppleKeyStore 2
com.apple.driver.DiskImages 373
com.apple.iokit.IOStorageFamily 1.9
com.apple.iokit.IOReportFamily 23
com.apple.driver.AppleFDEKeyStore 28.30
com.apple.driver.AppleACPIPlatform 2.0
com.apple.iokit.IOPCIFamily 2.9
com.apple.iokit.IOACPIFamily 1.4
com.apple.kec.corecrypto 1.0
com.apple.kec.pthread 1
since it mentions the backupd process, I'm temporarily leaving TimeMachine off and my TimeMachine USB drive physically disconnected -- let's see how it fares
cheers!