Hi, This happens quite a bit and I can't read the crash log in any meaningful way, so I was hoping someone out there would know what to do or has had the problem or can help me figure it out. Im on a G5 Dual 2.0, 2x 250GB drives, Mac OS X (10.11.6) and here's is what I got this time... Thanks! Anonymous UUID: A84F4A22-C89E-6F6C-D9A6-A8CB000F1A19 Wed Dec 21 15:07:01 2016 *** Panic Report *** panic(cpu 6 caller 0xffffff80195aa4ca): "TLB invalidation IPI timeout: " "CPU(s) failed to respond to interrupts, unresponsive CPU bitmap: 0x100, NMIPI acks: orig: 0x0, now: 0x0"@/Library/Caches/com.apple.xbs/Sources/xnu/xnu-3248.60.11.1.2/osfmk/x86_64/ pmap.c:2611 Backtrace (CPU 6), Frame : Return Address 0xffffff849dedb1d0 : 0xffffff80194d7b92 0xffffff849dedb250 : 0xffffff80195aa4ca 0xffffff849dedb2f0 : 0xffffff80195b14db 0xffffff849dedb3e0 : 0xffffff80195b222c 0xffffff849dedb450 : 0xffffff801955e00d 0xffffff849dedb580 : 0xffffff80195534dc 0xffffff849dedb5b0 : 0xffffff801954e8c3 0xffffff849dedb5e0 : 0xffffff80194e159d 0xffffff849dedb600 : 0xffffff80194e1dd9 0xffffff849dedb620 : 0xffffff7f9c085f5b 0xffffff849dedb780 : 0xffffff8019743134 0xffffff849dedb7e0 : 0xffffff801973f61c 0xffffff849dedb890 : 0xffffff8019914cd5 0xffffff849dedb990 : 0xffffff8019a1dbe4 0xffffff849dedbaa0 : 0xffffff801953aae8 0xffffff849dedbaf0 : 0xffffff8019539bd3 0xffffff849dedbb30 : 0xffffff80195454d0 0xffffff849dedbd00 : 0xffffff801954af0e 0xffffff849dedbf20 : 0xffffff80195cc2ef 0xffffff849dedbfb0 : 0xffffff80195e9ab5 Kernel Extensions in backtrace: com.apple.AppleFSCompression.AppleFSCompressionTypeZlib(1.0)[8A37264E-9D9A-3B95 -B0A1-EB1947CF70DA]@0xffffff7f9c085000->0xffffff7f9c08afff BSD process name corresponding to current thread: PProHeadless Mac OS version: 15G1212 Kernel version: Darwin Kernel Version 15.6.0: Wed Nov 2 20:30:56 PDT 2016; root:xnu-3248.60.11.1.2~2/RELEASE_X86_64 Kernel UUID: 865631CA-FB7C-31CA-9B7F-5CBFF3C38E0C Kernel slide: 0x0000000019200000 Kernel text base: 0xffffff8019400000 __HIB text base: 0xffffff8019300000 System model name: MacPro4,1 (Mac-F221BEC8) System uptime in nanoseconds: 17528748692190 last loaded kext at 1666059686075: com.apple.filesystems.msdosfs 1.10 (addr 0xffffff7f9c1ac000, size 69632) last unloaded kext at 1814246146694: com.apple.driver.AppleXsanScheme 3 (addr 0xffffff7f9c1a4000, size 32768) loaded kexts: com.paceap.kext.pacesupport.snowleopard 5.9.1 com.nvidia.CUDA 1.1.0 zoom.us.ZoomAudioDevice 1.2 com.owc.driver.Accelsior 1.0.3 com.blackmagic-design.desktopvideo.iokit.driver 10.8 com.mhlabs.driver.MobileIOAudioDriver.10.9 5.4d238 com.apple.filesystems.msdosfs 1.10 com.apple.driver.AppleBluetoothMultitouch 90.3 com.apple.driver.AppleHWSensor 1.9.5d0 com.apple.driver.AGPM 110.22.0 com.apple.driver.AppleTyMCEDriver 1.0.2d2 com.apple.filesystems.autofs 3.0 com.apple.driver.AppleOSXWatchdog 1 com.apple.driver.AppleMikeyHIDDriver 124 com.apple.driver.AudioAUUC 1.70 com.apple.driver.pmtelemetry 1 com.apple.driver.AppleUpstreamUserClient 3.6.1 com.apple.iokit.IOUserEthernet 1.0.1 com.apple.driver.AppleHDA 274.12 com.apple.driver.AppleMCCSControl 1.2.13 com.apple.driver.AppleMikeyDriver 274.12 com.apple.iokit.IOBluetoothSerialManager 4.4.6f1 com.apple.GeForce 10.1.0 com.apple.Dont_Steal_Mac_OS_X 7.0.0 com.apple.driver.AppleHV 1 com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport 4.4.6f1 com.apple.driver.AppleLPC 3.1 com.apple.driver.ACPI_SMC_PlatformPlugin 1.0.0 com.apple.driver.AppleIntelSlowAdaptiveClocking 4.0.0 com.apple.iokit.SCSITaskUserClient 3.7.7 com.apple.driver.AppleFWOHCI 5.5.4 com.apple.driver.Intel82574L 2.7.0b1 com.apple.driver.AirPort.Brcm4331 800.20.24 com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1 com.apple.iokit.IOAHCIBlockStorage 2.8.5 com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0 com.apple.BootCache 38 com.apple.driver.usb.AppleUSBEHCIPCI 1.0.1 com.apple.driver.usb.AppleUSBUHCIPCI 1.0.1 com.apple.driver.AppleAHCIPort 3.1.8 com.apple.driver.AppleRTC 2.0 com.apple.driver.AppleHPET 1.8 com.apple.driver.AppleACPIButtons 4.0 com.apple.driver.AppleSMBIOS 2.1 com.apple.driver.AppleACPIEC 4.0 com.apple.driver.AppleAPIC 1.7 com.apple.driver.AppleIntelCPUPowerManagementClient 218.0.0 com.apple.nke.applicationfirewall 163 com.apple.security.quarantine 3 com.apple.security.TMSafetyNet 8 com.apple.driver.AppleIntelCPUPowerManagement 218.0.0 com.apple.iokit.IOSCSIBlockCommandsDevice 3.7.7 com.apple.iokit.IOUSBMassStorageDriver 1.0.0 com.apple.driver.IOBluetoothHIDDriver 4.4.6f1 com.apple.driver.AppleMultitouchDriver 304.12 com.apple.driver.AppleHIDTransport 5 com.apple.kext.triggers 1.0 com.apple.driver.DspFuncLib 274.12 com.apple.kext.OSvKernDSPLib 525 com.apple.iokit.IOSurface 108.2.3 com.apple.iokit.IOAcceleratorFamily2 205.11 com.apple.nvidia.driver.NVDAGK100Hal 10.1.0 com.apple.nvidia.driver.NVDAResman 10.1.0 com.apple.AppleGraphicsDeviceControl 3.12.9 com.apple.driver.CoreCaptureResponder 1 com.apple.driver.AppleSMBusController 1.0.14d1 com.apple.iokit.IONDRVSupport 2.4.1 com.apple.iokit.IOBluetoothHostControllerUSBTransport 4.4.6f1 com.apple.iokit.IOBluetoothFamily 4.4.6f1 com.apple.driver.AppleHDAController 274.12 com.apple.iokit.IOHDAFamily 274.12 com.apple.iokit.IOGraphicsFamily 2.4.1 com.apple.iokit.IOSerialFamily 11 com.apple.driver.AppleSMBusPCI 1.0.14d1 com.apple.iokit.IOFireWireIP 2.2.6 com.apple.driver.AppleSMC 3.1.9 com.apple.driver.IOPlatformPluginLegacy 1.0.0 com.apple.driver.IOPlatformPluginFamily 6.0.0d7 com.apple.iokit.IOSlowAdaptiveClockingFamily 1.0.0 com.apple.driver.AppleUSBHIDMouse 185.3 com.apple.iokit.IOUSBHIDDriver 900.4.1 com.apple.driver.AppleHIDMouse 185.3 com.apple.driver.AppleHIDKeyboard 181 com.apple.driver.usb.IOUSBHostHIDDevice 1.0.1 com.apple.driver.AppleUSBAudio 303.3.1 com.apple.iokit.IOAudioFamily 204.4 com.apple.vecLib.kext 1.2.0 com.apple.driver.usb.cdc 5.0.0 com.apple.driver.usb.networking 5.0.0 com.apple.driver.usb.AppleUSBHostCompositeDevice 1.0.1 com.apple.driver.usb.AppleUSBHub 1.0.1 com.apple.iokit.IOSCSIMultimediaCommandsDevice 3.7.7 com.apple.iokit.IOBDStorageFamily 1.8 com.apple.iokit.IODVDStorageFamily 1.8 com.apple.iokit.IOCDStorageFamily 1.8 com.apple.iokit.IOFireWireFamily 4.6.1 com.apple.iokit.IO80211Family 1110.26 com.apple.iokit.IONetworkingFamily 3.2 com.apple.driver.corecapture 1.0.4 com.apple.iokit.IOAHCISerialATAPI 2.6.2 com.apple.iokit.IOSCSIArchitectureModelFamily 3.7.7 com.apple.driver.usb.AppleUSBUHCI 1.0.1 com.apple.driver.usb.AppleUSBEHCI 1.0.1 com.apple.iokit.IOAHCIFamily 2.8.1 com.apple.iokit.IOUSBFamily 900.4.1 com.apple.iokit.IOUSBHostFamily 1.0.1 com.apple.driver.AppleUSBHostMergeProperties 1.0.1 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 300.0 com.apple.kext.AppleMatch 1.0.0d1 com.apple.driver.AppleKeyStore 2 com.apple.driver.AppleMobileFileIntegrity 1.0.5 com.apple.driver.AppleCredentialManager 1.0 com.apple.driver.DiskImages 417.4 com.apple.iokit.IOStorageFamily 2.1 com.apple.iokit.IOReportFamily 31 com.apple.driver.AppleFDEKeyStore 28.30 com.apple.driver.AppleACPIPlatform 4.0 com.apple.iokit.IOPCIFamily 2.9 com.apple.iokit.IOACPIFamily 1.4 com.apple.kec.pthread 1 com.apple.kec.corecrypto 1.0 com.apple.kec.Libm 1 Model: MacPro4,1, BootROM MP41.0081.B07, 8 processors, Quad-Core Intel Xeon, 2.26 GHz, 40 GB, SMC 1.39f5 Graphics: NVIDIA GeForce GTX 680, NVIDIA GeForce GTX 680, PCIe, 2048 MB Memory Module: DIMM 1, 8 GB, DDR3 ECC, 1066 MHz, 0x85F7, 0x463732314755363546393333334700520000 Memory Module: DIMM 2, 8 GB, DDR3 ECC, 1066 MHz, 0x85F7, 0x463732314755363546393333334700520000 Memory Module: DIMM 3, 2 GB, DDR3 ECC, 1066 MHz, 0x80AD, 0x484D54313235553742465238432D47372020 Memory Module: DIMM 4, 2 GB, DDR3 ECC, 1066 MHz, 0x80AD, 0x484D54313235553742465238432D47372020 Memory Module: DIMM 5, 8 GB, DDR3 ECC, 1066 MHz, 0x85F7, 0x463732314755363546393333334700520000 Memory Module: DIMM 6, 8 GB, DDR3 ECC, 1066 MHz, 0x85F7, 0x463732314755363546393333334700520000 Memory Module: DIMM 7, 2 GB, DDR3 ECC, 1066 MHz, 0x80AD, 0x484D54313235553742465238432D47372020 Memory Module: DIMM 8, 2 GB, DDR3 ECC, 1066 MHz, 0x80AD, 0x484D54313235553742465238432D47372020 AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x8E), Broadcom BCM43xx 1.0 (5.106.98.100.24) Bluetooth: Version 4.4.6f1 17910, 3 services, 27 devices, 1 incoming serial ports Network Service: Ethernet 1, Ethernet, en0 PCI Card: NVIDIA GeForce GTX 680, Display Controller, Slot-1 PCI Card: NVIDIA GeForce GTX 680, NVDA,Parent, Slot-1 PCI Card: pci1b4b,9230, AHCI Controller, Slot-2 PCI Card: Intensity Pro, Video, Slot-4 PCI Card: pci1095,3132, Other Mass Storage Controller, Slot-3 Serial ATA Device: OWC Mercury Accelsior PCIe SSD, 239.9 GB Serial ATA Device: HL-DT-ST DVD-RW GH41N Serial ATA Device: WDC WD1001FALS-41K1B0, 1 TB Serial ATA Device: WDC WD6400AAKS-41H2B0, 640.14 GB Serial ATA Device: Hitachi HUA723020ALA641, 2 TB Serial ATA Device: Hitachi HUA723020ALA641, 2 TB Serial ATA Device: MARVELL VIRTUALL USB Device: USB Bus USB Device: USB Bus USB Device: iLok USB Device: USB Bus USB Device: BRCM2046 Hub USB Device: Bluetooth USB Host Controller USB Device: USB Bus USB Device: USB Bus USB Device: USB Bus USB Device: USB 2.0 Bus USB Device: USB2.0 Hub USB Device: USB2.0 Hub USB Device: USB2.0 Hub USB Device: eLicenser USB Device: Arturia MINILAB USB Device: USB 2.0 Bus USB Device: DataTraveler 2.0 USB Device: Keyboard Hub USB Device: Apple Optical USB Mouse USB Device: Apple Keyboard FireWire Device: built-in_hub, Up to 800 Mb/sec FireWire Device: 2882+DSP - FireWire Audio Interface, Boris Manufacturing Corporation, Up to 400 Mb/sec Thunderbolt Bus:
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