Probléme reboot obligatoire, cpu et copies

Help, personne ? =(
jai changé de ram pour l'occasion mais bon j'en suis a mon 3eme kernel depuis celui cité au dessus, un en quittant un jeux et un autre en pleine session protools
je met le message du dernier en date,
je sais vraiment plus quoi faire la =(

Interval Since Last Panic Report: 195738 sec
Panics Since Last Report: 2
Anonymous UUID: D3333223-36AB-4043-8AD8-1C5A8F69B62E

Mon Apr 26 22:07:23 2010
panic(cpu 1 caller 0x5542c3): "complete() while dma active"@/SourceCache/xnu/xnu-1504.3.12/iokit/Kernel/IOMemoryDescriptor.cpp:2232
Backtrace (CPU 1), Frame : Return Address (4 potential args on stack)
0x7f023b78 : 0x21b449 (0x5ce420 0x7f023bac 0x2238a5 0x0)
0x7f023bc8 : 0x5542c3 (0x5d7934 0x0 0x7f023c38 0x11f09a1)
0x7f023c08 : 0x555587 (0xc63a280 0x0 0x17513 0xa380)
0x7f023c98 : 0x194bd34 (0xc63a280 0x7f023cf4 0x1 0x0)
0x7f023d28 : 0x194befb (0x15ef9400 0x120 0x320 0xa390c00)
0x7f023d88 : 0x194c09a (0x15ef9400 0xb2df000 0x6a86 0x960)
0x7f023da8 : 0x1947531 (0x15ef9400 0xb2df000 0x190 0x11c1)
0x7f023e08 : 0x91f7f8 (0xb22e200 0x7efc5000 0x7f430000 0x11c1)
0x7f023e58 : 0x91fa1e (0xb22e200 0x11c1 0x200 0x64815000)
0x7f023e88 : 0x92008b (0xb22e200 0x1 0xffffffff 0x2a7e5f)
0x7f023ef8 : 0x91ca68 (0xb22e200 0x13a10e88 0x11c1 0x1ec)
0x7f023f48 : 0x91b0a4 (0xd86c200 0x168c5380 0x134b 0x29d54e)
0x7f023f78 : 0x22fb78 (0x168c5380 0x134b 0x7f023fc8 0x2277f7)
0x7f023fc8 : 0x29e6cc (0x863ea0 0x0 0x10 0x9fc63a4)
Kernel Extensions in backtrace (with dependencies):
com.digidesign.mbox2.driver(8.0.3f1)@0x193d000->0x195cfff
dependency: com.apple.iokit.IOAudioFamily(1.7.6fc2)@0x912000
dependency: com.apple.iokit.IOUSBFamily(3.9.6)@0x11e9000
dependency: com.apple.driver.AppleUSBMergeNub(3.9.6)@0x139b000
com.apple.iokit.IOAudioFamily(1.7.6fc2)@0x912000->0x929fff
dependency: com.apple.kext.OSvKernDSPLib(1.3)@0x90e000

BSD process name corresponding to current thread: kernel_task

Mac OS version:
10D573

Kernel version:
Darwin Kernel Version 10.3.0: Fri Feb 26 11:58:09 PST 2010; root:xnu-1504.3.12~1/RELEASE_I386
System model name: MacBookPro5,5 (Mac-F2268AC8)

System uptime in nanoseconds: 5139579360807
unloaded kexts:
com.apple.driver.AppleFileSystemDriver 2.0 (addr 0x1073000, size 0x12288) - last unloaded 95916792846
loaded kexts:
com.digidesign.mbox2.driver 8.0.3f1
com.paceap.kext.pacesupport.snowleopard 5.7.2
com.Cycling74.driver.Soundflower 1.3.1
com.digidesign.iokit.DigiIO 8.0.3f1
com.digidesign.iokit.DigiDal 8.0.3f1
com.AmbrosiaSW.AudioSupport 2.3.7
com.apple.filesystems.msdosfs 1.6.1
com.apple.driver.AppleHWSensor 1.9.3d0
com.apple.filesystems.autofs 2.1.0
com.apple.driver.AGPM 100.10.21
com.apple.driver.AudioAUUC 1.4
com.apple.driver.AppleMikeyHIDDriver 1.2.0
com.apple.Dont_Steal_Mac_OS_X 7.0.0
com.apple.driver.AudioIPCDriver 1.1.2
com.apple.driver.AppleHDA 1.8.4fc3
com.apple.driver.AppleMikeyDriver 1.8.4fc3
com.apple.driver.AppleUpstreamUserClient 3.3.2
com.apple.driver.SMCMotionSensor 3.0.0d4
com.apple.kext.AppleSMCLMU 1.5.0d1
com.apple.driver.AppleIntelPenrynProfile 17
com.apple.driver.ACPI_SMC_PlatformPlugin 4.1.1d0
com.apple.driver.AppleLPC 1.4.11
com.apple.driver.AppleBacklight 170.0.16
com.apple.GeForce 6.1.0
com.apple.driver.AppleUSBTCButtons 1.8.1b1
com.apple.driver.AppleUSBTCKeyboard 1.8.1b1
com.apple.driver.AppleIRController 303
com.apple.driver.AppleUSBCardReader 2.5.3
com.apple.iokit.SCSITaskUserClient 2.6.2
com.apple.iokit.IOAHCIBlockStorage 1.6.1
com.apple.driver.AppleSmartBatteryManager 160.0.0
com.apple.driver.AppleFWOHCI 4.5.7
com.apple.BootCache 31
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1
com.apple.driver.AirPortBrcm43xx 422.91.27
com.apple.driver.AppleUSBHub 3.9.6
com.apple.driver.AppleAHCIPort 2.1.1
com.apple.nvenet 1.0.73
com.apple.driver.AppleUSBEHCI 3.9.6
com.apple.driver.AppleUSBOHCI 3.9.6
com.apple.driver.AppleEFINVRAM 1.3.0
com.apple.driver.AppleRTC 1.3.1
com.apple.driver.AppleHPET 1.5
com.apple.driver.AppleACPIButtons 1.3.2
com.apple.driver.AppleSMBIOS 1.5
com.apple.driver.AppleACPIEC 1.3.2
com.apple.driver.AppleAPIC 1.4
com.apple.driver.AppleIntelCPUPowerManagementClient 104.3.0
com.apple.security.sandbox 0
com.apple.security.quarantine 0
com.apple.nke.applicationfirewall 2.1.11
com.apple.driver.AppleIntelCPUPowerManagement 104.3.0
com.apple.driver.AppleUSBAudio 2.6.8fc1 - last loaded 4630075690591
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.iokit.IOSurface 74.0
com.apple.iokit.IOBluetoothSerialManager 2.3.1f4
com.apple.iokit.IOSerialFamily 10.0.3
com.apple.driver.DspFuncLib 1.8.4fc3
com.apple.iokit.IOAudioFamily 1.7.6fc2
com.apple.kext.OSvKernDSPLib 1.3
com.apple.iokit.IOFireWireIP 2.0.3
com.apple.driver.AppleHDAController 1.8.4fc3
com.apple.iokit.IOHDAFamily 1.8.4fc3
com.apple.driver.AppleSMBusController 1.0.8d0
com.apple.iokit.AppleProfileFamily 41
com.apple.driver.AppleSMC 3.0.1d2
com.apple.driver.IOPlatformPluginFamily 4.1.1d0
com.apple.driver.AppleSMBusPCI 1.0.8d0
com.apple.nvidia.nv50hal 6.1.0
com.apple.NVDAResman 6.1.0
com.apple.iokit.IONDRVSupport 2.1
com.apple.iokit.IOGraphicsFamily 2.1
com.apple.driver.AppleUSBHIDKeyboard 1.2.0a3
com.apple.driver.AppleHIDKeyboard 1.2.0a3
com.apple.driver.BroadcomUSBBluetoothHCIController 2.3.1f4
com.apple.driver.AppleUSBBluetoothHCIController 2.3.1f4
com.apple.iokit.IOBluetoothFamily 2.3.1f4
com.apple.driver.AppleUSBMultitouch 204.12.1
com.apple.iokit.IOUSBHIDDriver 3.9.6
com.apple.iokit.IOSCSIBlockCommandsDevice 2.6.2
com.apple.iokit.IOUSBMassStorageClass 2.6.1
com.apple.driver.AppleUSBMergeNub 3.9.6
com.apple.driver.AppleUSBComposite 3.9.0
com.apple.iokit.IOSCSIMultimediaCommandsDevice 2.6.2
com.apple.iokit.IOBDStorageFamily 1.6
com.apple.iokit.IODVDStorageFamily 1.6
com.apple.iokit.IOCDStorageFamily 1.6
com.apple.driver.XsanFilter 402.1
com.apple.iokit.IOAHCISerialATAPI 1.2.3
com.apple.iokit.IOSCSIArchitectureModelFamily 2.6.2
com.apple.iokit.IOFireWireFamily 4.2.6
com.apple.iokit.IO80211Family 310.6
com.apple.iokit.IOUSBUserClient 3.9.6
com.apple.iokit.IOAHCIFamily 2.0.3
com.apple.iokit.IONetworkingFamily 1.9
com.apple.iokit.IOUSBFamily 3.9.6
com.apple.driver.AppleEFIRuntime 1.3.0
com.apple.driver.NVSMU 2.2.1
com.apple.iokit.IOHIDFamily 1.6.2
com.apple.iokit.IOSMBusFamily 1.1
com.apple.kext.AppleMatch 1.0.0d1
com.apple.security.TMSafetyNet 6
com.apple.driver.DiskImages 283
com.apple.iokit.IOStorageFamily 1.6
com.apple.driver.AppleACPIPlatform 1.3.2
com.apple.iokit.IOPCIFamily 2.6
com.apple.iokit.IOACPIFamily 1.3.0
Model: MacBookPro5,5, BootROM MBP55.00AC.B03, 2 processors, Intel Core 2 Duo, 2.26 GHz, 5 GB, SMC 1.47f2
Graphics: NVIDIA GeForce 9400M, NVIDIA GeForce 9400M, PCI, 256 MB
Memory Module: global_name
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x8D), Broadcom BCM43xx 1.0 (5.10.91.27)
Bluetooth: Version 2.3.1f4, 2 service, 2 devices, 1 incoming serial ports
Network Service: AirPort, AirPort, en1
Serial ATA Device: WDC WD3200BEKT-22F3T0, 298,09 GB
Serial ATA Device: MATSHITADVD-R UJ-868
USB Device: USB2.0 Hub, 0x05e3 (Genesys Logic, Inc.), 0x0605, 0x26200000
USB Device: Keyboard Hub, 0x05ac (Apple Inc.), 0x1006, 0x26240000
USB Device: USB Laser Mouse, 0x046d (Logitech Inc.), 0xc062, 0x26243000
USB Device: Apple Keyboard, 0x05ac (Apple Inc.), 0x0221, 0x26242000
USB Device: Oxygen 49, 0x0763 (M-Audio), 0x2027, 0x26230000
USB Device: External HDD, 0x1058 (Western Digital Technologies, Inc.), 0x0910, 0x26220000
USB Device: External HDD, 0x1058 (Western Digital Technologies, Inc.), 0x0704, 0x26210000
USB Device: Internal Memory Card Reader, 0x05ac (Apple Inc.), 0x8403, 0x26500000
USB Device: Built-in iSight, 0x05ac (Apple Inc.), 0x8507, 0x24400000
USB Device: BRCM2046 Hub, 0x0a5c (Broadcom Corp.), 0x4500, 0x06100000
USB Device: Bluetooth USB Host Controller, 0x05ac (Apple Inc.), 0x8213, 0x06110000
USB Device: Apple Internal Keyboard / Trackpad, 0x05ac (Apple Inc.), 0x0237, 0x04600000
USB Device: IR Receiver, 0x05ac (Apple Inc.), 0x8242, 0x04500000
USB Device: Mbox 2, 0x0dba, 0x3000, 0x04100000