Mac Pro Late 2010 reboots everytime while doing something in FCP 7.0 or ext. harddrive

Hi there,

we are encountering a Kernel panic everytime we work in FCP 7.0 or unplug an externel harddive (which has been ejected)

it leads to a restart of the computer.

This is the report:

Mon Jun 29 13:41:48 2015

*** Panic Report ***

panic(cpu 8 caller 0xffffff8015d70d9d): "a freed zone element has been modified in zone thread_call: expected 0xc0ffee225ab73082 but found 0xc0ffee225ab73081, bits changed 0x3, at offset 104 of 112 in element 0xffffff8036ba0310, cookies 0x3f0011a26df6d192 0x5352197458d217b"@/SourceCache/xnu/xnu-2782.10.72/osfmk/kern/zalloc.c:496

Backtrace (CPU 8), Frame : Return Address

0xffffff81ff653c90 : 0xffffff8015d2fe41

0xffffff81ff653d10 : 0xffffff8015d70d9d

0xffffff81ff653d80 : 0xffffff8015d70811

0xffffff81ff653dc0 : 0xffffff8015d6f657

0xffffff81ff653ef0 : 0xffffff8015d5ff73

0xffffff81ff653f20 : 0xffffff7f96a5e7c2

0xffffff81ff653f50 : 0xffffff801624afaa

0xffffff81ff653fb0 : 0xffffff8015e36b78

BSD process name corresponding to current thread: CVMCompiler

Mac OS version:

14C109

Kernel version:

Darwin Kernel Version 14.1.0: Mon Dec 22 23:10:38 PST 2014; root:xnu-2782.10.72~2/RELEASE_X86_64

Kernel UUID: DCF5C2D5-16AE-37F5-B2BE-ED127048DFF5

Kernel text base: 0xffffff8015c00000

__HIB text base: 0xffffff8015b00000

System model name: MacPro5,1 (Mac-F221BEC8)

System uptime in nanoseconds: 3339026543205

last loaded kext at 961122946846: com.apple.filesystems.smbfs 3.0.0 (addr 0xffffff7f98937000, size 389120)

last unloaded kext at 324575456231: com.apple.filesystems.msdosfs 1.10 (addr 0xffffff7f98937000, size 61440)

loaded kexts:

com.sonnettech.SonnetSATABlockStorage 2.2.7

com.sonnettech.driver.SonnetSATA 2.2.7

com.aja.iokit.ntv2 12.1

com.sony.scsi.PDW-U1 3.11.0d001

com.apple.filesystems.smbfs 3.0.0

com.apple.driver.AppleHWSensor 1.9.5d0

com.apple.driver.AppleTyMCEDriver 1.0.2d2

com.apple.driver.AGPM 100.15.5

com.apple.filesystems.autofs 3.0

com.apple.iokit.IOBluetoothSerialManager 4.3.2f6

com.apple.driver.AppleOSXWatchdog 1

com.apple.driver.AppleMikeyHIDDriver 124

com.apple.driver.AppleMikeyDriver 269.25

com.apple.driver.AppleHDA 269.25

com.apple.driver.AudioAUUC 1.70

com.apple.driver.AppleUpstreamUserClient 3.6.1

com.apple.driver.AppleMCCSControl 1.2.11

com.apple.kext.AMDFramebuffer 1.3.0

com.apple.iokit.IOUserEthernet 1.0.1

com.apple.AMDRadeonX3000 1.3.0

com.apple.Dont_Steal_Mac_OS_X 7.0.0

com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport 4.3.2f6

com.apple.driver.AppleLPC 1.7.3

com.apple.driver.AppleHWAccess 1

com.apple.kext.AMD5000Controller 1.3.0

com.apple.driver.AppleHV 1

com.apple.driver.ACPI_SMC_PlatformPlugin 1.0.0

com.apple.driver.XsanFilter 404

com.apple.iokit.IOAHCIBlockStorage 2.7.0

com.apple.iokit.SCSITaskUserClient 3.7.3

com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1

com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1

com.apple.BootCache 35

com.apple.driver.AppleFWOHCI 5.5.2

com.apple.driver.Intel82574L 2.6.7b2

com.apple.driver.AirPort.Brcm4331 800.20.24

com.apple.driver.AppleUSBHub 705.4.2

com.apple.driver.AppleAHCIPort 3.1.0

com.apple.driver.AppleUSBEHCI 705.4.14

com.apple.driver.AppleUSBUHCI 656.4.1

com.apple.driver.AppleUSBXHCI 710.4.11

com.apple.driver.AppleRTC 2.0

com.apple.driver.AppleHPET 1.8

com.apple.driver.AppleACPIButtons 3.1

com.apple.driver.AppleSMBIOS 2.1

com.apple.driver.AppleACPIEC 3.1

com.apple.driver.AppleAPIC 1.7

com.apple.driver.AppleIntelCPUPowerManagementClient 218.0.0

com.apple.nke.applicationfirewall 161

com.apple.security.quarantine 3

com.apple.security.TMSafetyNet 8

com.apple.driver.AppleIntelCPUPowerManagement 218.0.0

com.apple.kext.triggers 1.0

com.apple.driver.DspFuncLib 269.25

com.apple.kext.OSvKernDSPLib 1.15

com.apple.iokit.IONDRVSupport 2.4.1

com.apple.iokit.IOSurface 97

com.apple.iokit.IOAcceleratorFamily2 156.6

com.apple.driver.AppleSMBusController 1.0.13d1

com.apple.iokit.IOBluetoothHostControllerUSBTransport 4.3.2f6

com.apple.iokit.IOBluetoothFamily 4.3.2f6

com.apple.iokit.IOATAFamily 2.5.3

com.apple.iokit.IOVideoFamily 1.2.1

com.apple.iokit.IOStreamFamily 1.1.0

com.apple.iokit.IOSerialFamily 11

com.apple.driver.AppleSMBusPCI 1.0.12d1

com.apple.iokit.IOFireWireIP 2.2.6

com.apple.kext.AMDSupport 1.3.0

com.apple.AppleGraphicsDeviceControl 3.8.6

com.apple.iokit.IOUSBUserClient 705.4.0

com.apple.driver.AppleHDAController 269.25

com.apple.iokit.IOGraphicsFamily 2.4.1

com.apple.iokit.IOHDAFamily 269.25

com.apple.iokit.IOAudioFamily 203.3

com.apple.vecLib.kext 1.2.0

com.apple.driver.AppleSMC 3.1.9

com.apple.driver.IOPlatformPluginLegacy 1.0.0

com.apple.driver.IOPlatformPluginFamily 5.8.1d38

com.apple.driver.AppleUSBHIDMouse 185.3

com.apple.driver.AppleHIDMouse 185.3

com.apple.driver.AppleUSBHIDKeyboard 176.2

com.apple.driver.AppleHIDKeyboard 176.2

com.apple.iokit.IOUSBHIDDriver 705.4.0

com.apple.iokit.IOUSBMassStorageClass 3.7.1

com.apple.driver.AppleUSBMergeNub 705.4.0

com.apple.driver.AppleUSBComposite 705.4.9

com.apple.iokit.IOSCSIMultimediaCommandsDevice 3.7.3

com.apple.iokit.IOBDStorageFamily 1.7

com.apple.iokit.IODVDStorageFamily 1.7.1

com.apple.iokit.IOCDStorageFamily 1.7.1

com.apple.iokit.IOFireWireFamily 4.5.6

com.apple.iokit.IOAHCISerialATAPI 2.6.1

com.apple.iokit.IO80211Family 710.55

com.apple.iokit.IONetworkingFamily 3.2

com.apple.iokit.IOAHCIFamily 2.7.5

com.apple.iokit.IOUSBFamily 710.4.14

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.iokit.IOSCSIBlockCommandsDevice 3.7.3

com.apple.iokit.IOSCSIArchitectureModelFamily 3.7.3

com.apple.driver.AppleKeyStore 2

com.apple.driver.AppleMobileFileIntegrity 1.0.5

com.apple.driver.AppleCredentialManager 1.0

com.apple.driver.DiskImages 396

com.apple.iokit.IOStorageFamily 2.0

com.apple.iokit.IOReportFamily 31

com.apple.driver.AppleFDEKeyStore 28.30

com.apple.driver.AppleACPIPlatform 3.1

com.apple.iokit.IOPCIFamily 2.9

com.apple.iokit.IOACPIFamily 1.4

com.apple.kec.corecrypto 1.0

com.apple.kec.pthread 1

com.apple.kec.Libm 1

Model: MacPro5,1, BootROM MP51.007F.B03, 8 processors, Quad-Core Intel Xeon, 2.4 GHz, 16 GB, SMC 1.39f11

Graphics: ATI Radeon HD 5770, ATI Radeon HD 5770, PCIe, 1024 MB

Memory Module: DIMM 1, 2 GB, DDR3 ECC, 1066 MHz, 0x80AD, 0x484D54313235553754465238432D48392020

Memory Module: DIMM 2, 2 GB, DDR3 ECC, 1066 MHz, 0x80AD, 0x484D54313235553754465238432D48392020

Memory Module: DIMM 3, 2 GB, DDR3 ECC, 1066 MHz, 0x80AD, 0x484D54313235553754465238432D48392020

Memory Module: DIMM 4, 2 GB, DDR3 ECC, 1066 MHz, 0x80AD, 0x484D54313235553754465238432D48392020

Memory Module: DIMM 5, 2 GB, DDR3 ECC, 1066 MHz, 0x80AD, 0x484D54313235553754465238432D48392020

Memory Module: DIMM 6, 2 GB, DDR3 ECC, 1066 MHz, 0x80AD, 0x484D54313235553754465238432D48392020

Memory Module: DIMM 7, 2 GB, DDR3 ECC, 1066 MHz, 0x80AD, 0x484D54313235553754465238432D48392020

Memory Module: DIMM 8, 2 GB, DDR3 ECC, 1066 MHz, 0x80AD, 0x484D54313235553754465238432D48392020

AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x8E), Broadcom BCM43xx 1.0 (5.106.98.100.24)

Bluetooth: Version 4.3.2f6 15235, 3 services, 27 devices, 1 incoming serial ports

Network Service: Ethernet 2, Ethernet, en1

PCI Card: ATI Radeon HD 5770, Display Controller, Slot-1

PCI Card: pci1b73,1100, USB eXtensible Host Controller, Slot-2

PCI Card: Sonnet Tempo SATA E4P, IDE Controller, Slot-3

PCI Card: AJA NTV2, Video, Slot-4

Serial ATA Device: HL-DT-ST DVD-RW GH61N

Serial ATA Device: WDC WD1001FALS-41Y6A1, 1 TB

Serial ATA Device: WDC WD1001FALS-00E8B0, 1 TB

USB Device: USB3.0 DUAL DOCK

USB Device: P2 drive

USB Device: Keyboard Hub

USB Device: Apple Optical USB Mouse

USB Device: Apple Keyboard

USB Device: BRCM2046 Hub

USB Device: Bluetooth USB Host Controller

FireWire Device: built-in_hub, Up to 800 Mb/sec

Thunderbolt Bus:

Every help is appreciated. Thanks