I am having the same issue, I bought the 2012 air 13 inch on Tuesday of this week and have had a few grey screens asking for a reboot, as well as 3 or 4 freezes. I am trying to avoid having to take it in to have it exchanged.
Fri Jun 15 09:29:49 2012
panic(cpu 1 caller 0xffffff80002c4794): Kernel trap at 0xffffff7f816a19c1, type 14=page fault, registers:
CR0: 0x0000000080010033, CR2: 0x0000000000000084, CR3: 0x000000001054201b, CR4: 0x00000000001606e0
RAX: 0xffffff7f816a1a94, RBX: 0x0000000000000077, RCX: 0x000000000000007c, RDX: 0x000000000095727a
RSP: 0xffffff8091d6b9b0, RBP: 0xffffff8091d6b9c0, RSI: 0xffffff800c497600, RDI: 0xffffff80181f1000
R8: 0xffffff8073173b48, R9: 0x0000000000000000, R10: 0xffffff7f816a2e7c, R11: 0xffffff80181b45e8
R12: 0xffffff800d3b5b88, R13: 0xffffff80181f1000, R14: 0xffffff806a5bc000, R15: 0xffffff80181f1000
RFL: 0x0000000000010282, RIP: 0xffffff7f816a19c1, CS: 0x0000000000000008, SS: 0x0000000000000010
CR2: 0x0000000000000084, Error code: 0x0000000000000002, Faulting CPU: 0x1
Backtrace (CPU 1), Frame : Return Address
0xffffff8091d6b660 : 0xffffff8000220792
0xffffff8091d6b6e0 : 0xffffff80002c4794
0xffffff8091d6b890 : 0xffffff80002da55d
0xffffff8091d6b8b0 : 0xffffff7f816a19c1
0xffffff8091d6b9c0 : 0xffffff7f816a5f8d
0xffffff8091d6bb00 : 0xffffff7f816a2ee4
0xffffff8091d6bb60 : 0xffffff800065556e
0xffffff8091d6bb80 : 0xffffff8000655e4a
0xffffff8091d6bbe0 : 0xffffff80006565eb
0xffffff8091d6bd20 : 0xffffff80002a3f08
0xffffff8091d6be20 : 0xffffff8000223096
0xffffff8091d6be50 : 0xffffff80002148a9
0xffffff8091d6beb0 : 0xffffff800021bbd8
0xffffff8091d6bf10 : 0xffffff80002af140
0xffffff8091d6bfb0 : 0xffffff80002dab5e
Kernel Extensions in backtrace:
com.apple.driver.AppleIntelHD4000Graphics(7.2.6)[6E96736D-73A0-3F40-A2C9-50BF5C AFA624]@0xffffff7f81699000->0xffffff7f816fffff
dependency: com.apple.iokit.IOPCIFamily(2.7)[C0404427-3360-36B4-B483-3C9F0C54A3CA]@0xffffff 7f80869000
dependency: com.apple.iokit.IONDRVSupport(2.3.4)[A004D087-8FB7-3630-AD65-18DC2A9B2EEA]@0xff ffff7f80ccc000
dependency: com.apple.iokit.IOGraphicsFamily(2.3.4)[2E0BAC50-C4B6-3353-BADA-0168305F3D06]@0 xffffff7f80c93000
BSD process name corresponding to current thread: Google Chrome He
Mac OS version:
11E2520
Kernel version:
Darwin Kernel Version 11.4.2: Sun May 13 17:40:40 PDT 2012; root:xnu-1699.30.4~1/RELEASE_X86_64
Kernel UUID:
System model name: MacBookAir5,2 (Mac-2E6FAB96566FE58C)
System uptime in nanoseconds: 15104987351324
last loaded kext at 11996319334358: com.apple.filesystems.msdosfs 1.7.1 (addr 0xffffff7f807eb000, size 57344)
last unloaded kext at 12106156745615: com.apple.iokit.SCSITaskUserClient 3.2.1 (addr 0xffffff7f807d8000, size 28672)
loaded kexts:
com.apple.filesystems.msdosfs 1.7.1
com.apple.driver.AppleUSBCDCACMData 4.1.19
com.apple.driver.AppleUSBCDC 4.1.19
com.apple.filesystems.smbfs 1.7.2
com.apple.filesystems.autofs 3.0
com.apple.driver.AppleMikeyHIDDriver 122
com.apple.driver.AGPM 100.12.69
com.apple.driver.ApplePlatformEnabler 2.0.5d3
com.apple.driver.X86PlatformShim 5.0.0d8
com.apple.driver.AppleHDA 2.2.3f13
com.apple.driver.AppleMikeyDriver 2.2.3f13
com.apple.driver.AppleUpstreamUserClient 3.5.9
com.apple.driver.AudioAUUC 1.59
com.apple.driver.AppleSMCPDRC 5.0.0d8
com.apple.iokit.IOUserEthernet 1.0.0d1
com.apple.iokit.IOBluetoothSerialManager 4.0.7f2
com.apple.Dont_Steal_Mac_OS_X 7.0.0
com.apple.driver.AppleSMCLMU 2.0.1d2
com.apple.driver.AudioIPCDriver 1.2.3
com.apple.driver.ApplePolicyControl 3.1.32
com.apple.driver.AppleLPC 1.6.0
com.apple.driver.AppleBacklight 170.2.2
com.apple.driver.AppleMCCSControl 1.0.33
com.apple.driver.AppleIntelHD4000Graphics 7.2.6
com.apple.driver.AppleIntelFramebufferCapri 7.2.6
com.apple.driver.BroadcomUSBBluetoothHCIController 4.0.7f2
com.apple.driver.AppleUSBCardReader 3.0.4
com.apple.driver.AppleUSBTCButtons 227.6
com.apple.driver.AppleUSBTCKeyboard 227.6
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1
com.apple.BootCache 33
com.apple.driver.XsanFilter 404
com.apple.iokit.IOAHCIBlockStorage 2.0.4
com.apple.driver.AppleUSBHub 5.0.7
com.apple.driver.AppleEFINVRAM 1.6.1
com.apple.driver.AirPort.Brcm4331 560.7.21
com.apple.driver.AppleSmartBatteryManager 161.0.0
com.apple.driver.AppleAHCIPort 2.3.0
com.apple.driver.AppleUSBEHCI 5.0.7
com.apple.driver.AppleUSBXHCI 1.0.7
com.apple.driver.AppleACPIButtons 1.5
com.apple.driver.AppleRTC 1.5
com.apple.driver.AppleHPET 1.7
com.apple.driver.AppleSMBIOS 1.9
com.apple.driver.AppleACPIEC 1.5
com.apple.driver.AppleAPIC 1.6
com.apple.driver.AppleIntelCPUPowerManagementClient 195.0.0
com.apple.nke.applicationfirewall 3.2.30
com.apple.security.quarantine 1.3
com.apple.security.TMSafetyNet 8
com.apple.driver.AppleIntelCPUPowerManagement 195.0.0
com.apple.driver.AppleUSBCDCACMControl 4.1.19
com.apple.kext.triggers 1.0
com.apple.driver.DspFuncLib 2.2.3f13
com.apple.iokit.IOSurface 80.0.2
com.apple.iokit.IOSerialFamily 10.0.5
com.apple.iokit.IOAudioFamily 1.8.6fc18
com.apple.kext.OSvKernDSPLib 1.3
com.apple.driver.AppleHDAController 2.2.3f13
com.apple.iokit.IOHDAFamily 2.2.3f13
com.apple.driver.AppleSMBusPCI 1.0.10d0
com.apple.driver.X86PlatformPlugin 5.1.1d6
com.apple.driver.AppleSMC 3.1.3d10
com.apple.driver.IOPlatformPluginFamily 5.1.1d6
com.apple.driver.AppleGraphicsControl 3.1.32
com.apple.driver.AppleBacklightExpert 1.0.4
com.apple.driver.AppleSMBusController 1.0.10d0
com.apple.iokit.IONDRVSupport 2.3.4
com.apple.iokit.IOGraphicsFamily 2.3.4
com.apple.driver.AppleUSBBluetoothHCIController 4.0.7f2
com.apple.iokit.IOBluetoothFamily 4.0.7f2
com.apple.iokit.IOSCSIBlockCommandsDevice 3.2.1
com.apple.iokit.IOUSBMassStorageClass 3.0.2
com.apple.iokit.IOSCSIArchitectureModelFamily 3.2.1
com.apple.driver.AppleThunderboltDPInAdapter 1.8.4
com.apple.driver.AppleThunderboltDPAdapterFamily 1.8.4
com.apple.driver.AppleThunderboltPCIDownAdapter 1.2.5
com.apple.driver.AppleUSBMultitouch 230.5
com.apple.iokit.IOUSBHIDDriver 5.0.0
com.apple.driver.AppleUSBMergeNub 5.0.7
com.apple.driver.AppleUSBComposite 5.0.0
com.apple.driver.AppleThunderboltNHI 1.6.0
com.apple.iokit.IOThunderboltFamily 2.0.3
com.apple.iokit.IOUSBUserClient 5.0.0
com.apple.iokit.IO80211Family 420.3
com.apple.iokit.IONetworkingFamily 2.1
com.apple.iokit.IOAHCIFamily 2.0.8
com.apple.iokit.IOUSBFamily 5.0.7
com.apple.driver.AppleEFIRuntime 1.6.1
com.apple.iokit.IOHIDFamily 1.7.1
com.apple.iokit.IOSMBusFamily 1.1
com.apple.security.sandbox 177.5
com.apple.kext.AppleMatch 1.0.0d1
com.apple.driver.DiskImages 331.7
com.apple.iokit.IOStorageFamily 1.7.2
com.apple.driver.AppleKeyStore 28.18
com.apple.driver.AppleACPIPlatform 1.5
com.apple.iokit.IOPCIFamily 2.7
com.apple.iokit.IOACPIFamily 1.4
Any help would be greatly appreciated!