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A sensor as important as temperature never shuts off. What year MBP is this? Is it still under warantee?
 
My MacBook Pro is an early 2011 model, where I have installed 8gb of ram after buying it.

... (and my Mac is currently under warranty).

Well I don't know what else to think, perhaps iStat i broken. But it seems that the GPU sensor is at least working, although iStat might not report it all the time.

----------

I see it's the GPU value, not the CPU, the CPU Max is 105.

I wasn't the only one which thought it was the CPU.

Well I did write GPU :p
 
Another update

So if anyone else was to stumble upon this thread here is an update:

A few days ago my HDD stopped working, Disk Utility told med that the disk needed to be repaired but that it was unable to. So thinking that this might be the cause of all my troubles I decided to by a new one (decided to go for a Samsung 840 SSD).

BUT that seems to not have been the problem, my computer still reboots once and a while because of the fault (which I have not yet found). Like before it seems to happen during Youtube videos the most and I have started to fear that it might be the Logicboard that is at fault (perhaps it is switching from the small GFX to the large GFX).

Here is my latest error log:

Code:
Interval Since Last Panic Report:  37250 sec
Panics Since Last Report:          1
Anonymous UUID:                    57AADD0A-C13C-D620-9044-8E092182C6A7

Thu May 30 21:35:05 2013
panic(cpu 6 caller 0xffffff80208b7e95): Kernel trap at 0xffffff80208a1453, type 13=general protection, registers:
CR0: 0x0000000080010033, CR2: 0x000000010bda0000, CR3: 0x000000006a13100d, CR4: 0x00000000000606e0
RAX: 0xffff0080374f8400, RBX: 0x0000000000000000, RCX: 0xffffff8020ebeb54, RDX: 0x0000000000050bda
RSP: 0xffffff81114abbb0, RBP: 0xffffff81114abcd0, RSI: 0x0000000020c85580, RDI: 0xffffff8020ebdc70
R8:  0x0000000000000000, R9:  0x0000000000000000, R10: 0x000000010a323000, R11: 0x0000000113abcb64
R12: 0xffffff802dfd7b40, R13: 0x0000000000000000, R14: 0x0000000000000000, R15: 0xffffff8033de8100
RFL: 0x0000000000010286, RIP: 0xffffff80208a1453, CS:  0x0000000000000008, SS:  0x0000000000000000
Fault CR2: 0x000000010bda0000, Error code: 0x0000000000000000, Fault CPU: 0x6

Backtrace (CPU 6), Frame : Return Address
0xffffff81114ab850 : 0xffffff802081d626 
0xffffff81114ab8c0 : 0xffffff80208b7e95 
0xffffff81114aba90 : 0xffffff80208cd4dd 
0xffffff81114abab0 : 0xffffff80208a1453 
0xffffff81114abcd0 : 0xffffff8020861733 
0xffffff81114abd90 : 0xffffff8020862b5b 
0xffffff81114abf20 : 0xffffff80208b82e0 
0xffffff81114abfb0 : 0xffffff80208cd401 

BSD process name corresponding to current thread: ReportCrash

Mac OS version:
12D78

Kernel version:
Darwin Kernel Version 12.3.0: Sun Jan  6 22:37:10 PST 2013; root:xnu-2050.22.13~1/RELEASE_X86_64
Kernel UUID: 3EB7D8A7-C2D3-32EC-80F4-AB37D61492C6
Kernel slide:     0x0000000020600000
Kernel text base: 0xffffff8020800000
System model name: MacBookPro8,2 (Mac-94245A3940C91C80)

System uptime in nanoseconds: 27891854857600
last loaded kext at 11709581120535: com.apple.driver.AppleUSBAudio	2.9.0f6 (addr 0xffffff7fa2c2c000, size 262144)
last unloaded kext at 26950853797096: com.apple.driver.AppleUSBAudio	2.9.0f6 (addr 0xffffff7fa2c2c000, size 262144)
loaded kexts:
com.apple.driver.AudioAUUC	1.60
com.apple.driver.AppleHWSensor	1.9.5d0
com.apple.filesystems.autofs	3.0
com.apple.iokit.IOBluetoothSerialManager	4.1.3f3
com.apple.filesystems.ntfs	3.10
com.apple.driver.AGPM	100.12.87
com.apple.driver.AppleMikeyHIDDriver	122
com.apple.driver.AppleHDA	2.3.7fc4
com.apple.kext.AMDFramebuffer	8.1.0
com.apple.driver.AppleUpstreamUserClient	3.5.10
com.apple.iokit.IOUserEthernet	1.0.0d1
com.apple.AMDRadeonAccelerator	1.0.6
com.apple.driver.AppleMikeyDriver	2.3.7fc4
com.apple.iokit.BroadcomBluetoothHCIControllerUSBTransport	4.1.3f3
com.apple.driver.AppleIntelHD3000Graphics	8.1.0
com.apple.driver.AppleLPC	1.6.0
com.apple.Dont_Steal_Mac_OS_X	7.0.0
com.apple.driver.AppleSMCPDRC	1.0.0
com.apple.driver.ApplePolicyControl	3.3.0
com.apple.driver.AppleMCCSControl	1.1.11
com.apple.driver.AppleSMCLMU	2.0.3d0
com.apple.driver.AppleIntelSNBGraphicsFB	8.1.0
com.apple.driver.AppleMuxControl	3.3.0
com.apple.driver.SMCMotionSensor	3.0.3d1
com.apple.driver.ACPI_SMC_PlatformPlugin	1.0.0
com.apple.driver.AppleUSBTCButtons	237.1
com.apple.driver.AppleUSBTCKeyboard	237.1
com.apple.driver.AppleIRController	320.15
com.apple.iokit.SCSITaskUserClient	3.5.5
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless	1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib	1.0.0d1
com.apple.BootCache	34
com.apple.driver.XsanFilter	404
com.apple.iokit.IOAHCIBlockStorage	2.3.1
com.apple.driver.AppleUSBHub	5.5.5
com.apple.driver.AppleSDXC	1.4.0
com.apple.iokit.AppleBCM5701Ethernet	3.6.0b1
com.apple.driver.AppleFWOHCI	4.9.6
com.apple.driver.AirPort.Brcm4331	614.20.16
com.apple.driver.AppleAHCIPort	2.5.1
com.apple.driver.AppleUSBEHCI	5.5.0
com.apple.driver.AppleEFINVRAM	1.7
com.apple.driver.AppleRTC	1.5
com.apple.driver.AppleSmartBatteryManager	161.0.0
com.apple.driver.AppleACPIButtons	1.7
com.apple.driver.AppleHPET	1.8
com.apple.driver.AppleSMBIOS	1.9
com.apple.driver.AppleACPIEC	1.7
com.apple.driver.AppleAPIC	1.6
com.apple.driver.AppleIntelCPUPowerManagementClient	196.0.0
com.apple.nke.applicationfirewall	4.0.39
com.apple.security.quarantine	2
com.apple.driver.AppleIntelCPUPowerManagement	196.0.0
com.apple.kext.triggers	1.0
com.apple.iokit.IOSerialFamily	10.0.6
com.apple.driver.DspFuncLib	2.3.7fc4
com.apple.iokit.IOAudioFamily	1.8.9fc11
com.apple.kext.OSvKernDSPLib	1.6
com.apple.iokit.IOSurface	86.0.4
com.apple.iokit.IOAcceleratorFamily	30.14
com.apple.iokit.IOBluetoothFamily	4.1.3f3
com.apple.iokit.AppleBluetoothHCIControllerUSBTransport	4.1.3f3
com.apple.iokit.IOFireWireIP	2.2.5
com.apple.kext.AMD6000Controller	8.1.0
com.apple.kext.AMDSupport	8.1.0
com.apple.driver.AppleSMBusPCI	1.0.11d0
com.apple.driver.AppleHDAController	2.3.7fc4
com.apple.iokit.IOHDAFamily	2.3.7fc4
com.apple.driver.AppleSMBusController	1.0.11d0
com.apple.driver.AppleGraphicsControl	3.3.0
com.apple.driver.AppleBacklightExpert	1.0.4
com.apple.iokit.IONDRVSupport	2.3.7
com.apple.iokit.IOGraphicsFamily	2.3.7
com.apple.driver.AppleSMC	3.1.4d2
com.apple.driver.IOPlatformPluginLegacy	1.0.0
com.apple.driver.IOPlatformPluginFamily	5.3.0d51
com.apple.driver.AppleThunderboltDPInAdapter	1.8.9
com.apple.driver.AppleThunderboltDPAdapterFamily	1.8.9
com.apple.driver.AppleThunderboltPCIDownAdapter	1.2.6
com.apple.driver.AppleUSBMultitouch	237.3
com.apple.iokit.IOUSBHIDDriver	5.2.5
com.apple.driver.AppleUSBMergeNub	5.5.5
com.apple.driver.AppleUSBComposite	5.2.5
com.apple.iokit.IOSCSIMultimediaCommandsDevice	3.5.5
com.apple.iokit.IOBDStorageFamily	1.7
com.apple.iokit.IODVDStorageFamily	1.7.1
com.apple.iokit.IOCDStorageFamily	1.7.1
com.apple.iokit.IOAHCISerialATAPI	2.5.1
com.apple.iokit.IOSCSIArchitectureModelFamily	3.5.5
com.apple.driver.AppleThunderboltNHI	1.6.3
com.apple.iokit.IOThunderboltFamily	2.2.6
com.apple.iokit.IOUSBUserClient	5.5.5
com.apple.iokit.IOEthernetAVBController	1.0.2b1
com.apple.iokit.IOFireWireFamily	4.5.5
com.apple.iokit.IO80211Family	522.4
com.apple.iokit.IONetworkingFamily	3.0
com.apple.iokit.IOAHCIFamily	2.3.1
com.apple.iokit.IOUSBFamily	5.5.5
com.apple.driver.AppleEFIRuntime	1.7
com.apple.iokit.IOHIDFamily	1.8.1
com.apple.iokit.IOSMBusFamily	1.1
com.apple.security.sandbox	220.2
com.apple.kext.AppleMatch	1.0.0d1
com.apple.security.TMSafetyNet	7
com.apple.driver.DiskImages	345
com.apple.iokit.IOStorageFamily	1.8
com.apple.driver.AppleKeyStore	28.21
com.apple.driver.AppleACPIPlatform	1.7
com.apple.iokit.IOPCIFamily	2.7.3
com.apple.iokit.IOACPIFamily	1.4
com.apple.kec.corecrypto	1.0
Model: MacBookPro8,2, BootROM MBP81.0047.B27, 4 processors, Intel Core i7, 2.2 GHz, 8 GB, SMC 1.69f4
Graphics: Intel HD Graphics 3000, Intel HD Graphics 3000, Built-In, 512 MB
Graphics: AMD Radeon HD 6750M, AMD Radeon HD 6750M, PCIe, 1024 MB
Memory Module: BANK 0/DIMM0, 4 GB, DDR3, 1333 MHz, 0x029E, 0x434D534F344758334D314131333333433920
Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1333 MHz, 0x029E, 0x434D534F344758334D314131333333433920
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xD6), Broadcom BCM43xx 1.0 (5.106.98.100.16)
Bluetooth: Version 4.1.3f3 11349, 2 service, 18 devices, 1 incoming serial ports
Network Service: AirPort, AirPort, en1
Serial ATA Device: Samsung SSD 840 Series, 250.06 GB
Serial ATA Device: MAT****ADVD-R   UJ-898
USB Device: FaceTime HD Camera (Built-in), apple_vendor_id, 0x8509, 0xfa200000 / 3
USB Device: hub_device, 0x0424  (SMSC), 0x2513, 0xfa100000 / 2
USB Device: Apple Internal Keyboard / Trackpad, apple_vendor_id, 0x0246, 0xfa120000 / 5
USB Device: BRCM2070 Hub, 0x0a5c  (Broadcom Corp.), 0x4500, 0xfa110000 / 4
USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x821a, 0xfa113000 / 7
USB Device: hub_device, 0x0424  (SMSC), 0x2513, 0xfd100000 / 2
USB Device: IR Receiver, apple_vendor_id, 0x8242, 0xfd110000 / 3
 
Go into the Energy Saver system prefs and see if you have Automatic Graphics Switching enabled. If it's enabled, disable (uncheck) it and see if the system still crashes.
 
Go into the Energy Saver system prefs and see if you have Automatic Graphics Switching enabled. If it's enabled, disable (uncheck) it and see if the system still crashes.

That did not work. I got another crash, this time I noticed that my fans went from dead silent to noisy during the crash. I have no clue if it is related. Here is my error log.

Code:
Interval Since Last Panic Report:  96986 sec
Panics Since Last Report:          1
Anonymous UUID:                    57AADD0A-C13C-D620-9044-8E092182C6A7

Mon Jun  3 08:41:04 2013
panic(cpu 5 caller 0xffffff802d443d7b): "a freed zone element has been modified in zone: kalloc.2048"@/SourceCache/xnu/xnu-2050.22.13/osfmk/kern/zalloc.c:214
Backtrace (CPU 5), Frame : Return Address
0xffffff811e62bd00 : 0xffffff802d41d626 
0xffffff811e62bd70 : 0xffffff802d443d7b 
0xffffff811e62bdb0 : 0xffffff802d4435f2 
0xffffff811e62be90 : 0xffffff802d4245ed 
0xffffff811e62bec0 : 0xffffff802d759e20 
0xffffff811e62bef0 : 0xffffff802d503db9 
0xffffff811e62bf50 : 0xffffff802d7e063a 
0xffffff811e62bfb0 : 0xffffff802d4cdd23 

BSD process name corresponding to current thread: SystemUIServer

Mac OS version:
12D78

Kernel version:
Darwin Kernel Version 12.3.0: Sun Jan  6 22:37:10 PST 2013; root:xnu-2050.22.13~1/RELEASE_X86_64
Kernel UUID: 3EB7D8A7-C2D3-32EC-80F4-AB37D61492C6
Kernel slide:     0x000000002d200000
Kernel text base: 0xffffff802d400000
System model name: MacBookPro8,2 (Mac-94245A3940C91C80)

System uptime in nanoseconds: 47837135820295
last loaded kext at 244441990248: com.apple.filesystems.msdosfs	1.8 (addr 0xffffff7fadafb000, size 65536)
last unloaded kext at 364683922268: com.apple.driver.AppleUSBUHCI	5.2.5 (addr 0xffffff7fadd9e000, size 65536)
loaded kexts:
com.apple.driver.AudioAUUC	1.60
com.apple.driver.AppleHWSensor	1.9.5d0
com.apple.filesystems.autofs	3.0
com.apple.iokit.IOBluetoothSerialManager	4.1.3f3
com.apple.filesystems.ntfs	3.10
com.apple.driver.AppleHDA	2.3.7fc4
com.apple.driver.AppleMikeyHIDDriver	122
com.apple.driver.AGPM	100.12.87
com.apple.driver.AppleMikeyDriver	2.3.7fc4
com.apple.driver.AppleIntelHD3000Graphics	8.1.0
com.apple.driver.SMCMotionSensor	3.0.3d1
com.apple.driver.AppleUpstreamUserClient	3.5.10
com.apple.driver.AppleSMCPDRC	1.0.0
com.apple.iokit.BroadcomBluetoothHCIControllerUSBTransport	4.1.3f3
com.apple.driver.AppleMCCSControl	1.1.11
com.apple.kext.AMDFramebuffer	8.1.0
com.apple.AMDRadeonAccelerator	1.0.6
com.apple.driver.AppleSMCLMU	2.0.3d0
com.apple.driver.AppleMuxControl	3.3.0
com.apple.iokit.IOUserEthernet	1.0.0d1
com.apple.Dont_Steal_Mac_OS_X	7.0.0
com.apple.driver.ApplePolicyControl	3.3.0
com.apple.driver.AppleLPC	1.6.0
com.apple.driver.AppleIntelSNBGraphicsFB	8.1.0
com.apple.driver.ACPI_SMC_PlatformPlugin	1.0.0
com.apple.driver.AppleUSBTCButtons	237.1
com.apple.driver.AppleUSBTCKeyboard	237.1
com.apple.driver.AppleIRController	320.15
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless	1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib	1.0.0d1
com.apple.BootCache	34
com.apple.iokit.SCSITaskUserClient	3.5.5
com.apple.driver.XsanFilter	404
com.apple.driver.AppleUSBHub	5.5.5
com.apple.iokit.IOAHCIBlockStorage	2.3.1
com.apple.driver.AppleSDXC	1.4.0
com.apple.driver.AirPort.Brcm4331	614.20.16
com.apple.driver.AppleFWOHCI	4.9.6
com.apple.iokit.AppleBCM5701Ethernet	3.6.0b1
com.apple.driver.AppleAHCIPort	2.5.1
com.apple.driver.AppleUSBEHCI	5.5.0
com.apple.driver.AppleSmartBatteryManager	161.0.0
com.apple.driver.AppleEFINVRAM	1.7
com.apple.driver.AppleACPIButtons	1.7
com.apple.driver.AppleRTC	1.5
com.apple.driver.AppleHPET	1.8
com.apple.driver.AppleSMBIOS	1.9
com.apple.driver.AppleACPIEC	1.7
com.apple.driver.AppleAPIC	1.6
com.apple.driver.AppleIntelCPUPowerManagementClient	196.0.0
com.apple.nke.applicationfirewall	4.0.39
com.apple.security.quarantine	2
com.apple.driver.AppleIntelCPUPowerManagement	196.0.0
com.apple.kext.triggers	1.0
com.apple.iokit.IOSerialFamily	10.0.6
com.apple.driver.DspFuncLib	2.3.7fc4
com.apple.iokit.IOAudioFamily	1.8.9fc11
com.apple.kext.OSvKernDSPLib	1.6
com.apple.iokit.AppleBluetoothHCIControllerUSBTransport	4.1.3f3
com.apple.driver.AppleSMBusController	1.0.11d0
com.apple.driver.AppleHDAController	2.3.7fc4
com.apple.iokit.IOHDAFamily	2.3.7fc4
com.apple.iokit.IOAcceleratorFamily	30.14
com.apple.kext.AMD6000Controller	8.1.0
com.apple.kext.AMDSupport	8.1.0
com.apple.iokit.IOFireWireIP	2.2.5
com.apple.driver.AppleBacklightExpert	1.0.4
com.apple.driver.AppleSMBusPCI	1.0.11d0
com.apple.iokit.IOSurface	86.0.4
com.apple.iokit.IOBluetoothFamily	4.1.3f3
com.apple.driver.AppleGraphicsControl	3.3.0
com.apple.iokit.IONDRVSupport	2.3.7
com.apple.iokit.IOGraphicsFamily	2.3.7
com.apple.driver.AppleSMC	3.1.4d2
com.apple.driver.IOPlatformPluginLegacy	1.0.0
com.apple.driver.IOPlatformPluginFamily	5.3.0d51
com.apple.driver.AppleThunderboltDPInAdapter	1.8.9
com.apple.driver.AppleThunderboltDPAdapterFamily	1.8.9
com.apple.driver.AppleThunderboltPCIDownAdapter	1.2.6
com.apple.driver.AppleUSBMultitouch	237.3
com.apple.iokit.IOUSBHIDDriver	5.2.5
com.apple.driver.AppleUSBMergeNub	5.5.5
com.apple.driver.AppleUSBComposite	5.2.5
com.apple.iokit.IOSCSIMultimediaCommandsDevice	3.5.5
com.apple.iokit.IOBDStorageFamily	1.7
com.apple.iokit.IODVDStorageFamily	1.7.1
com.apple.iokit.IOCDStorageFamily	1.7.1
com.apple.iokit.IOAHCISerialATAPI	2.5.1
com.apple.iokit.IOSCSIArchitectureModelFamily	3.5.5
com.apple.driver.AppleThunderboltNHI	1.6.3
com.apple.iokit.IOThunderboltFamily	2.2.6
com.apple.iokit.IOUSBUserClient	5.5.5
com.apple.iokit.IO80211Family	522.4
com.apple.iokit.IOFireWireFamily	4.5.5
com.apple.iokit.IOEthernetAVBController	1.0.2b1
com.apple.iokit.IONetworkingFamily	3.0
com.apple.iokit.IOAHCIFamily	2.3.1
com.apple.iokit.IOUSBFamily	5.5.5
com.apple.iokit.IOHIDFamily	1.8.1
com.apple.driver.AppleEFIRuntime	1.7
com.apple.iokit.IOSMBusFamily	1.1
com.apple.security.sandbox	220.2
com.apple.kext.AppleMatch	1.0.0d1
com.apple.security.TMSafetyNet	7
com.apple.driver.DiskImages	345
com.apple.iokit.IOStorageFamily	1.8
com.apple.driver.AppleKeyStore	28.21
com.apple.driver.AppleACPIPlatform	1.7
com.apple.iokit.IOPCIFamily	2.7.3
com.apple.iokit.IOACPIFamily	1.4
com.apple.kec.corecrypto	1.0
Model: MacBookPro8,2, BootROM MBP81.0047.B27, 4 processors, Intel Core i7, 2.2 GHz, 8 GB, SMC 1.69f4
Graphics: Intel HD Graphics 3000, Intel HD Graphics 3000, Built-In, 512 MB
Graphics: AMD Radeon HD 6750M, AMD Radeon HD 6750M, PCIe, 1024 MB
Memory Module: BANK 0/DIMM0, 4 GB, DDR3, 1333 MHz, 0x029E, 0x434D534F344758334D314131333333433920
Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1333 MHz, 0x029E, 0x434D534F344758334D314131333333433920
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xD6), Broadcom BCM43xx 1.0 (5.106.98.100.16)
Bluetooth: Version 4.1.3f3 11349, 2 service, 18 devices, 1 incoming serial ports
Network Service: AirPort, AirPort, en1
Serial ATA Device: Samsung SSD 840 Series, 250.06 GB
Serial ATA Device: MAT****ADVD-R   UJ-898
USB Device: FaceTime HD Camera (Built-in), apple_vendor_id, 0x8509, 0xfa200000 / 3
USB Device: hub_device, 0x0424  (SMSC), 0x2513, 0xfa100000 / 2
USB Device: BRCM2070 Hub, 0x0a5c  (Broadcom Corp.), 0x4500, 0xfa110000 / 5
USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x821a, 0xfa113000 / 6
USB Device: Apple Internal Keyboard / Trackpad, apple_vendor_id, 0x0246, 0xfa120000 / 4
USB Device: hub_device, 0x0424  (SMSC), 0x2513, 0xfd100000 / 2
USB Device: IR Receiver, apple_vendor_id, 0x8242, 0xfd110000 / 3
 
....Snip.

On the first page you say it is still under warranty,if that is the case bring it in instead of going on and on and....

You started this thread months ago, time to bring it in.

Most of the crash/Panic reports are different, so I guess it is HW failure.

On a side note, strange I don't get all notifications, you replied a few times to my post yet I did not get any notification, seems like MR's System does not always work, seems to happen more.
 
On the first page you say it is still under warranty,if that is the case bring it in instead of going on and on and....

You started this thread months ago, time to bring it in.

Most of the crash/Panic reports are different, so I guess it is HW failure.

On a side note, strange I don't get all notifications, you replied a few times to my post yet I did not get any notification, seems like MR's System does not always work, seems to happen more.

Yeah, it would seem that that is the next step. Unfortunately I remembered wrong, it is exactly not covered by warranty. And if my fear is correct and it is the logicboard that has failed it is a very expensive repair (in my country approximately 1/3 the price of a new Macbook).
 
Yeah, it would seem that that is the next step. Unfortunately I remembered wrong, it is exactly not covered by warranty. And if my fear is correct and it is the logicboard that has failed it is a very expensive repair (in my country approximately 1/3 the price of a new Macbook).

That I don't understand, if you have warranty the whole machine is inside the warranty except when it is your own fault of course like water damage or a heavily used battery.
 
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