FINALLY got Lion to produce a crash report during one of these disasters. Like my gut was telling me this seems graphics driver related. Here it is:
Interval Since Last Panic Report: -3210485 sec
Panics Since Last Report: 1
Anonymous UUID: A83A615F-B88F-4999-9770-1B8A3CCCF56A
Sat Jan 21 02:46:16 2012
panic(cpu 1 caller 0x2cdabf): Kernel trap at 0x0183a649, type 0=divide error, registers:
CR0: 0x8001003b, CR2: 0x43463000, CR3: 0x00100000, CR4: 0x00000660
EAX: 0x00000002, EBX: 0x07120000, ECX: 0x00000000, EDX: 0x00000000
CR2: 0x43463000, EBP: 0x4939bd78, ESI: 0x0712f800, EDI: 0x00000002
EFL: 0x00010246, EIP: 0x0183a649, CS: 0x00000008, DS: 0x00000010
Error code: 0x00000000
Backtrace (CPU 1), Frame : Return Address (4 potential args on stack)
0x4939bba8 : 0x22032e (0x6ad86c 0x4939bbc8 0x229f00 0x0)
0x4939bbd8 : 0x2cdabf (0x6b9c3c 0x183a649 0x0 0x6b9b29)
0x4939bc88 : 0x2e3e34 (0x4939bcb0 0x4939bc98 0x4939bca8 0x0)
0x4939bca8 : 0x183a649 (0xe 0x7110048 0x49390010 0x630010)
0x4939bd78 : 0x183b660 (0x712f800 0xafc8 0xa53c 0x4939bdb0)
0x4939bd98 : 0x1847dc0 (0x712f800 0x4939bdb0 0x4939bdb8 0x607df2)
0x4939bdf8 : 0x1847e6c (0x7118800 0x4939be08 0x1a7 0x1c2)
0x4939be38 : 0x181ba99 (0x7118800 0x0 0x0 0x710e000)
0x4939be58 : 0x181dd7e (0x710e000 0x0 0x4939be88 0x23f675)
0x4939be88 : 0xfa51d4 (0x710e000 0x20646773 0x0 0xfaedec)
0x4939beb8 : 0xfa5228 (0x710e000 0x45 0x4939bee8 0xfaee61)
0x4939bee8 : 0xfaaa08 (0x7fb1200 0x45 0x6607d8 0x867840)
0x4939bf28 : 0x661b7a (0x7207580 0x70b8e00 0x1 0x2c457d)
0x4939bf68 : 0x6609c8 (0x70b8e00 0x73743f8 0x0 0x66dfac0)
0x4939bfa8 : 0x660844 (0x7207580 0x66dfac0 0x720759c 0x72493f8)
0x4939bfc8 : 0x2c6d0c (0x7207580 0x0 0x10 0x7aa71d0)
Kernel Extensions in backtrace:
com.apple.iokit.IOGraphicsFamily(2.3.2)[26D3FB6E-BBEB-45EE-9088-3099D2D09F78]@0 xf97000->0xfc8fff
dependency: com.apple.iokit.IOPCIFamily(2.6.7)[82A51E17-453D-40F5-BF0E-DD89598C76DB]@0xaed0 00
com.apple.kext.ATI1600Controller(7.1.2)[2DF2D325-D669-444E-97FA-5166E109C518]@0 x182e000->0x185cfff
dependency: com.apple.iokit.IOACPIFamily(1.4)[78EFF11D-3C74-40FD-9948-191DDC4E44C0]@0xabc00 0
dependency: com.apple.iokit.IOPCIFamily(2.6.7)[82A51E17-453D-40F5-BF0E-DD89598C76DB]@0xaed0 00
dependency: com.apple.iokit.IOGraphicsFamily(2.3.2)[26D3FB6E-BBEB-45EE-9088-3099D2D09F78]@0 xf97000
dependency: com.apple.kext.ATISupport(7.1.2)[AA9B5C8F-D250-4112-B1E5-9D4F63935B92]@0x162900 0
com.apple.kext.ATIFramebuffer(7.1.2)[3176A7CF-8C84-4300-BD27-46796A47987D]@0x18 17000->0x182dfff
dependency: com.apple.iokit.IOACPIFamily(1.4)[78EFF11D-3C74-40FD-9948-191DDC4E44C0]@0xabc00 0
dependency: com.apple.iokit.IOPCIFamily(2.6.7)[82A51E17-453D-40F5-BF0E-DD89598C76DB]@0xaed0 00
dependency: com.apple.iokit.IOGraphicsFamily(2.3.2)[26D3FB6E-BBEB-45EE-9088-3099D2D09F78]@0 xf97000
dependency: com.apple.kext.ATISupport(7.1.2)[AA9B5C8F-D250-4112-B1E5-9D4F63935B92]@0x162900 0
BSD process name corresponding to current thread: kernel_task
Mac OS version:
11C74
Kernel version:
Darwin Kernel Version 11.2.0: Tue Aug 9 20:56:15 PDT 2011; root:xnu-1699.24.8~1/RELEASE_I386
Kernel UUID: C2810CF8-D672-3301-8D3F-ED56974A80E1
System model name: MacBookPro2,2 (Mac-F42187C8)
System uptime in nanoseconds: 106928438687
last loaded kext at 72538426224: com.apple.driver.AppleBluetoothMultitouch 66.3 (addr 0x1c42000, size 49152)
loaded kexts:
com.Cycling74.driver.Soundflower 1.5.2
com.iospirit.driver.rbiokithelper 1.19.2
com.AmbrosiaSW.AudioSupport 3
com.Logitech.Control Center.HID Driver 3.5.1
com.apple.driver.AppleBluetoothMultitouch 66.3
com.apple.filesystems.autofs 3.0
com.apple.driver.AppleUSBCDC 4.1.15
com.apple.driver.AppleHWSensor 1.9.4d0
com.apple.driver.AudioAUUC 1.59
com.apple.driver.AppleTyMCEDriver 1.0.2d2
com.apple.driver.AppleUpstreamUserClient 3.5.9
com.apple.driver.AppleMCCSControl 1.0.26
com.apple.driver.AppleHDA 2.1.3f7
com.apple.kext.ATIFramebuffer 7.1.2
com.apple.ATIRadeonX1000 7.0.0
com.apple.driver.SMCMotionSensor 3.0.1d2
com.apple.driver.AppleSMCLMU 2.0.1d2
com.apple.iokit.IOUserEthernet 1.0.0d1
com.apple.Dont_Steal_Mac_OS_X 7.0.0
com.apple.driver.AudioIPCDriver 1.2.1
com.apple.driver.AirPort.Atheros21 430.14.9
com.apple.driver.AppleMuxControl 3.0.16
com.apple.driver.AppleLPC 1.5.3
com.apple.driver.AppleBacklight 170.1.9
com.apple.driver.ACPI_SMC_PlatformPlugin 4.7.5d4
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1
com.apple.BootCache 33
com.apple.driver.CSRHIDTransitionDriver 4.0.1f4
com.apple.driver.AppleIRController 312
com.apple.driver.AppleUSBTrackpad 225.2
com.apple.driver.AppleUSBTCKeyEventDriver 225.2
com.apple.driver.AppleUSBTCKeyboard 225.2
com.apple.driver.USBCameraFirmwareLoader 1.1.0
com.apple.iokit.SCSITaskUserClient 3.0.1
com.apple.iokit.IOAHCIBlockStorage 2.0.1
com.apple.driver.AppleEFINVRAM 1.5.0
com.apple.driver.AppleAHCIPort 2.2.0
com.apple.driver.AppleUSBHub 4.5.0
com.apple.iokit.AppleYukon2 3.2.2b1
com.apple.driver.AppleRTC 1.4
com.apple.driver.AppleIntelPIIXATA 2.5.1
com.apple.driver.AppleUSBEHCI 4.5.0
com.apple.driver.AppleUSBUHCI 4.4.5
com.apple.driver.AppleFWOHCI 4.8.9
com.apple.driver.AppleHPET 1.6
com.apple.driver.AppleSmartBatteryManager 161.0.0
com.apple.driver.AppleACPIButtons 1.4
com.apple.driver.AppleSMBIOS 1.7
com.apple.driver.AppleACPIEC 1.4
com.apple.driver.AppleAPIC 1.5
com.apple.driver.AppleIntelCPUPowerManagementClient 167.0.0
com.apple.nke.applicationfirewall 3.2.30
com.apple.security.quarantine 1
com.apple.driver.AppleIntelCPUPowerManagement 167.0.0
com.apple.driver.AppleMultitouchDriver 220.62.1
com.apple.driver.IOBluetoothHIDDriver 4.0.1f4
com.apple.kext.triggers 1.0
com.apple.driver.AppleAVBAudio 1.0.0d11
com.apple.driver.AppleHDAHardwareConfigDriver 2.1.3f7
com.apple.driver.DspFuncLib 2.1.3f7
com.apple.kext.ATI1600Controller 7.1.2
com.apple.kext.ATISupport 7.1.2
com.apple.driver.AppleHDAController 2.1.3f7
com.apple.iokit.IOHDAFamily 2.1.3f7
com.apple.iokit.IOFireWireIP 2.2.4
com.apple.iokit.IOSurface 80.0
com.apple.iokit.IOBluetoothSerialManager 4.0.1f4
com.apple.iokit.IOSerialFamily 10.0.5
com.apple.iokit.IOAVBFamily 1.0.0d22
com.apple.iokit.IOEthernetAVBController 1.0.0d5
com.apple.iokit.IOAudioFamily 1.8.3fc11
com.apple.kext.OSvKernDSPLib 1.3
com.apple.driver.ApplePolicyControl 3.0.16
com.apple.iokit.IO80211Family 411.1
com.apple.driver.AppleGraphicsControl 3.0.16
com.apple.driver.AppleSMBusPCI 1.0.10d0
com.apple.driver.AppleBacklightExpert 1.0.3
com.apple.iokit.IONDRVSupport 2.3.2
com.apple.iokit.IOGraphicsFamily 2.3.2
com.apple.driver.AppleSMC 3.1.1d8
com.apple.driver.IOPlatformPluginFamily 4.7.5d4
com.apple.driver.CSRUSBBluetoothHCIController 4.0.1f4
com.apple.driver.AppleUSBBluetoothHCIController 4.0.1f4
com.apple.iokit.IOBluetoothFamily 4.0.1f4
com.apple.driver.AppleUSBMergeNub 4.5.3
com.apple.driver.AppleFileSystemDriver 13
com.apple.iokit.IOUSBHIDDriver 4.4.5
com.apple.driver.AppleUSBComposite 3.9.0
com.apple.iokit.IOSCSIMultimediaCommandsDevice 3.0.1
com.apple.iokit.IOBDStorageFamily 1.6
com.apple.iokit.IODVDStorageFamily 1.7
com.apple.iokit.IOCDStorageFamily 1.7
com.apple.driver.XsanFilter 403
com.apple.iokit.IOATAPIProtocolTransport 3.0.0
com.apple.iokit.IOSCSIArchitectureModelFamily 3.0.1
com.apple.iokit.IOAHCIFamily 2.0.7
com.apple.iokit.IOUSBUserClient 4.5.3
com.apple.iokit.IONetworkingFamily 2.0
com.apple.driver.AppleEFIRuntime 1.5.0
com.apple.iokit.IOATAFamily 2.5.1
com.apple.iokit.IOUSBFamily 4.5.3
com.apple.iokit.IOFireWireFamily 4.4.5
com.apple.iokit.IOHIDFamily 1.7.1
com.apple.iokit.IOSMBusFamily 1.1
com.apple.security.sandbox 165.3
com.apple.kext.AppleMatch 1.0.0d1
com.apple.security.TMSafetyNet 7
com.apple.driver.DiskImages 331
com.apple.iokit.IOStorageFamily 1.7
com.apple.driver.AppleKeyStore 28.18
com.apple.driver.AppleACPIPlatform 1.4
com.apple.iokit.IOPCIFamily 2.6.7
com.apple.iokit.IOACPIFamily 1.4
Model: MacBookPro2,2, BootROM MBP22.00A5.B07, 2 processors, Intel Core 2 Duo, 2.33 GHz, 3 GB, SMC 1.12f5
Graphics: ATI Radeon X1600, ATY,RadeonX1600, PCIe, 256 MB
Memory Module: BANK 0/DIMM0, 2 GB, DDR2 SDRAM, 667 MHz, 0x2C00000000000000, 0x3136485453323536363448592D3636374531
Memory Module: BANK 1/DIMM1, 1 GB, DDR2 SDRAM, 667 MHz, 0xCE00000000000000, 0x4D342037305432393533435A332D43453620
AirPort: spairport_wireless_card_type_airport_extreme, Atheros 5416: 2.1.14.9
Bluetooth: Version 4.0.1f4, 2 service, 18 devices, 1 incoming serial ports
Network Service: Ethernet, Ethernet, en0
Serial ATA Device: WDC WD5000BEVT-22ZAT0, 500.11 GB
Parallel ATA Device: HL-DT-ST DVDRW GWA4080MA
USB Device: Built-in iSight, apple_vendor_id, 0x8501, 0xfd400000 / 2
USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x8205, 0x7d100000 / 2
USB Device: IR Receiver, apple_vendor_id, 0x8240, 0x5d200000 / 2
USB Device: hub_device, 0x0451 (Texas Instruments), 0x2046, 0x3d100000 / 2
USB Device: Apple Internal Keyboard / Trackpad, apple_vendor_id, 0x021a, 0x1d200000 / 2