Post the KP log and then we can get something information. If you don't know how click:
http://support.apple.com/kb/ht2546
Interval Since Last Panic Report: 1038645 sec
Panics Since Last Report: 1
Anonymous UUID: FB356C9F-DF7D-4A05-89D0-BD9D964ADC13
Tue Jul 29 15:04:41 2014
panic(cpu 0 caller 0x2abf6a): Kernel trap at 0x004c35f2, type 14=page fault, registers:
CR0: 0x8001003b, CR2: 0x0000000b, CR3: 0x00100000, CR4: 0x00000668
EAX: 0x1614d4f4, EBX: 0x6661532e, ECX: 0x000e1bed, EDX: 0x00000000
CR2: 0x0000000b, EBP: 0x8c12bd98, ESI: 0xffffffff, EDI: 0x1614d4f4
EFL: 0x00010286, EIP: 0x004c35f2, CS: 0x00000008, DS: 0x00860010
Error code: 0x00000000
Backtrace (CPU 0), Frame : Return Address (4 potential args on stack)
0x8c12bb98 : 0x21b837 (0x5dd7fc 0x8c12bbcc 0x223ce1 0x0)
0x8c12bbe8 : 0x2abf6a (0x59e3d0 0x4c35f2 0xe 0x59e59a)
0x8c12bcc8 : 0x2a1a78 (0x8c12bce0 0x19e2a644 0x8c12bd98 0x4c35f2)
0x8c12bcd8 : 0x4c35f2 (0xe 0x48 0x10 0x2a0010)
0x8c12bd98 : 0x4c3710 (0x8c12bde8 0x6661532e 0x2f697261 0x0)
0x8c12be08 : 0x4c37f0 (0x879870 0x161851c0 0x27 0x4869e2)
0x8c12be48 : 0x480fee (0x186c2d20 0x8 0x0 0x187c73d4)
0x8c12beb8 : 0x22ed26 (0x186c2d20 0x1 0x186c2d20 0xffe00000)
0x8c12bee8 : 0x22f152 (0x187c7694 0x299e7310 0x0 0x186c2d20)
0x8c12bf28 : 0x22fb5d (0x187c76b4 0x187c73d4 0x8c12bfc8 0x2ab8c3)
0x8c12bf68 : 0x21943f (0x1 0x186e0ba0 0x8c12bfc8 0x4f82fb)
0x8c12bfa8 : 0x2aacb4 (0xffffffff 0x1 0x8c12bfc8 0x186af324)
0x8c12bfc8 : 0x2a1976 (0x0 0x1 0x10 0x186af324)
BSD process name corresponding to current thread: smbd
Mac OS version:
10K549
Kernel version:
Darwin Kernel Version 10.8.0: Tue Jun 7 16:33:36 PDT 2011; root:xnu-1504.15.3~1/RELEASE_I386
System model name: iMac11,3 (Mac-F2238BAE)
System uptime in nanoseconds: 3310216045884
unloaded kexts:
com.apple.driver.AppleUSBUHCI 4.2.0 (addr 0x8c0b8000, size 0x65536) - last unloaded 89910277448
loaded kexts:
com.apple.filesystems.autofs 2.1.0 - last loaded 25382347252
com.apple.driver.AGPM 100.12.31
com.apple.driver.AppleHWSensor 1.9.3d0
com.apple.driver.AudioAUUC 1.57
com.apple.driver.AppleUpstreamUserClient 3.5.7
com.apple.driver.AppleMCCSControl 1.0.20
com.apple.driver.AppleMikeyHIDDriver 1.2.0
com.apple.kext.ATIFramebuffer 6.3.6
com.apple.Dont_Steal_Mac_OS_X 7.0.0
com.apple.driver.AppleMikeyDriver 2.0.5f14
com.apple.ATIRadeonX3000 6.3.6
com.apple.driver.AppleHDA 2.0.5f14
com.apple.driver.AudioIPCDriver 1.1.6
com.apple.driver.AppleBluetoothMultitouch 54.3
com.apple.iokit.AppleBCM5701Ethernet 3.0.5b8
com.apple.driver.AirPort.Atheros21 425.14.7
com.apple.driver.ACPI_SMC_PlatformPlugin 4.7.0a1
com.apple.driver.AppleLPC 1.5.1
com.apple.driver.AppleBacklight 170.0.46
com.apple.driver.AppleIRController 303.8
com.apple.driver.AppleUSBCardReader 2.6.1
com.apple.driver.Oxford_Semi 2.6.1
com.apple.iokit.SCSITaskUserClient 2.6.8
com.apple.iokit.IOAHCIBlockStorage 1.6.4
com.apple.BootCache 31.1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1
com.apple.driver.AppleFWOHCI 4.7.3
com.apple.driver.AppleUSBHub 4.2.4
com.apple.driver.AppleEFINVRAM 1.4.0
com.apple.driver.AppleAHCIPort 2.1.7
com.apple.driver.AppleUSBEHCI 4.2.4
com.apple.driver.AppleACPIButtons 1.3.6
com.apple.driver.AppleRTC 1.3.1
com.apple.driver.AppleHPET 1.5
com.apple.driver.AppleSMBIOS 1.7
com.apple.driver.AppleACPIEC 1.3.6
com.apple.driver.AppleAPIC 1.4
com.apple.driver.AppleIntelCPUPowerManagementClient 142.6.0
com.apple.security.sandbox 1
com.apple.security.quarantine 0
com.apple.nke.applicationfirewall 2.1.14
com.apple.driver.AppleIntelCPUPowerManagement 142.6.0
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 74.2
com.apple.iokit.IOBluetoothSerialManager 2.4.5f3
com.apple.iokit.IOSerialFamily 10.0.3
com.apple.driver.DspFuncLib 2.0.5f14
com.apple.iokit.IOAudioFamily 1.8.3fc2
com.apple.kext.OSvKernDSPLib 1.3
com.apple.driver.AppleSMBusController 1.0.10d0
com.apple.driver.AppleBluetoothHIDKeyboard 141.5
com.apple.driver.AppleHIDKeyboard 141.5
com.apple.driver.IOBluetoothHIDDriver 2.4.5f3
com.apple.driver.AppleMultitouchDriver 207.11
com.apple.kext.ATI5000Controller 6.3.6
com.apple.kext.ATISupport 6.3.6
com.apple.iokit.IOFireWireIP 2.0.3
com.apple.iokit.AppleProfileFamily 41
com.apple.driver.AppleHDAController 2.0.5f14
com.apple.iokit.IOHDAFamily 2.0.5f14
com.apple.iokit.IO80211Family 320.1
com.apple.iokit.IONetworkingFamily 1.10
com.apple.driver.AppleSMC 3.1.0d5
com.apple.driver.IOPlatformPluginFamily 4.7.0a1
com.apple.driver.AppleSMBusPCI 1.0.10d0
com.apple.driver.AppleBacklightExpert 1.0.1
com.apple.iokit.IONDRVSupport 2.2.1
com.apple.iokit.IOGraphicsFamily 2.2.1
com.apple.driver.BroadcomUSBBluetoothHCIController 2.4.5f3
com.apple.driver.AppleUSBBluetoothHCIController 2.4.5f3
com.apple.iokit.IOBluetoothFamily 2.4.5f3
com.apple.iokit.IOUSBHIDDriver 4.2.0
com.apple.iokit.IOUSBMassStorageClass 2.6.7
com.apple.iokit.IOSCSIBlockCommandsDevice 2.6.8
com.apple.iokit.IOFireWireSerialBusProtocolTransport 2.1.0
com.apple.iokit.IOFireWireSBP2 4.0.6
com.apple.driver.AppleUSBMergeNub 4.2.4
com.apple.driver.AppleUSBComposite 3.9.0
com.apple.iokit.IOSCSIMultimediaCommandsDevice 2.6.8
com.apple.iokit.IOBDStorageFamily 1.6
com.apple.iokit.IODVDStorageFamily 1.6
com.apple.iokit.IOCDStorageFamily 1.6.1
com.apple.driver.XsanFilter 402.1
com.apple.iokit.IOAHCISerialATAPI 1.2.6
com.apple.iokit.IOSCSIArchitectureModelFamily 2.6.8
com.apple.iokit.IOFireWireFamily 4.2.6
com.apple.iokit.IOUSBUserClient 4.2.4
com.apple.iokit.IOAHCIFamily 2.0.6
com.apple.iokit.IOUSBFamily 4.2.4
com.apple.driver.AppleEFIRuntime 1.4.0
com.apple.iokit.IOHIDFamily 1.6.6
com.apple.iokit.IOSMBusFamily 1.1
com.apple.security.TMSafetyNet 6
com.apple.kext.AppleMatch 1.0.0d1
com.apple.driver.DiskImages 289
com.apple.iokit.IOStorageFamily 1.6.3
com.apple.driver.AppleACPIPlatform 1.3.6
com.apple.iokit.IOPCIFamily 2.6.5
com.apple.iokit.IOACPIFamily 1.3.0
System Profile:
Model: iMac11,3, BootROM IM112.0057.B00, 4 processors, Intel Core i5, 2.8 GHz, 16 GB, SMC 1.59f2
Graphics: ATI Radeon HD 5750, ATI Radeon HD 5750, PCIe, 1024 MB
Memory Module: global_name
AirPort: spairport_wireless_card_type_airport_extreme (0x168C, 0x8F), Atheros 9280: 2.1.14.6
Bluetooth: Version 2.4.5f3, 2 service, 19 devices, 1 incoming serial ports
Network Service: Ethernet, Ethernet, en0
Serial ATA Device: ST31000528AS, 931.51 GB
Serial ATA Device: OPTIARC DVD RW AD-5680H
USB Device: Hub, 0x0424 (SMSC), 0x2514, 0xfa100000 / 2
USB Device: Internal Memory Card Reader, 0x05ac (Apple Inc.), 0x8403, 0xfa120000 / 4
USB Device: BRCM2046 Hub, 0x0a5c (Broadcom Corp.), 0x4500, 0xfa110000 / 3
USB Device: Bluetooth USB Host Controller, 0x05ac (Apple Inc.), 0x8215, 0xfa111000 / 6
USB Device: Hub, 0x0424 (SMSC), 0x2514, 0xfd100000 / 2
USB Device: IR Receiver, 0x05ac (Apple Inc.), 0x8242, 0xfd120000 / 4
USB Device: Built-in iSight, 0x05ac (Apple Inc.), 0x8502, 0xfd110000 / 3
FireWire Device: 2big triple (button), LaCie, Up to 800 Mb/sec
