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New iMac 27" 2011 & Unacceptable Kernel Panics

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Original poster
Jan 12, 2009
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Hey everyone, this might not be the right place to post this (sorry) but I recently bought the new 27" iMac (3,1ghz i5, 4GB ram, 1TB hdd and the 2gb HD 6970M).

It's been a couple of weeks now, and I've had a few kernel panics already.
Quite annoying :/ I don't know what's causing them. I have a display, an external HDD (500gb) and a wacom hooked up to my iMac, nothing else. I use airport for internet (not ethernet) and I use the magic mouse+keyboard that I got with my iMac.

I've had 5 kernel panics so far, and the logs look very similar. I've uploaded them in a zip. Download 'em here

And here is the latest log, this happened about an hour ago I think. I've disconnected my devices now, to see if it was any of those.

Thu May 26 13:43:55 2011
panic(cpu 2 caller 0xffffff80002d1208): Kernel trap at 0x0000000000000000, type 14=page fault, registers:
CR0: 0x000000008001003b, CR2: 0x0000000000000000, CR3: 0x0000000000100000, CR4: 0x0000000000040660
RAX: 0x00000000ffffffff, RBX: 0x0000000000000000, RCX: 0xffffff805af93f1c, RDX: 0x0000000000000000
RSP: 0xffffff805af93eb8, RBP: 0xffffff805af93f50, RSI: 0xffffff805be67d00, RDI: 0xffffff804bdf2e2c
R8: 0x0000000000000001, R9: 0x0000000000000012, R10: 0x0000000000000002, R11: 0xffffff7f81051d71
R12: 0xffffff800cf17988, R13: 0xffffff804bdf2e2c, R14: 0x0000000000000000, R15: 0x0000000000000000
RFL: 0x0000000000010297, RIP: 0x0000000000000000, CS: 0x0000000000000008, SS: 0x0000000000000010
Error code: 0x0000000000000010

Backtrace (CPU 2), Frame : Return Address
0xffffff805af93b50 : 0xffffff8000204d15
0xffffff805af93c50 : 0xffffff80002d1208
0xffffff805af93da0 : 0xffffff80002e3f4a
0xffffff805af93db0 : 0x0
0xffffff805af93f50 : 0xffffff800032e86b
0xffffff805af93fa0 : 0xffffff80002c8527

BSD process name corresponding to current thread: kernel_task

Mac OS version:
10J4138

Kernel version:
Darwin Kernel Version 10.7.4: Mon Apr 18 21:24:17 PDT 2011; root:xnu-1504.14.12~3/RELEASE_X86_64
System model name: iMac12,2 (Mac-942B59F58194171B)

System uptime in nanoseconds: 12156970720905
unloaded kexts:
com.apple.driver.AppleUSBUHCI 4.2.0 (addr 0xffffff7f81305000, size 0x65536) - last unloaded 75613037648
loaded kexts:
com.apple.driver.AppleBluetoothMultitouch 54 - last loaded 1327264789119
com.apple.filesystems.autofs 2.1.0
com.apple.driver.AppleHWSensor 1.9.3d0
com.apple.driver.AppleMikeyHIDDriver 1.2.0
com.apple.driver.AGPM 100.12.31
com.apple.driver.AppleHDA 2.0.5f13
com.apple.driver.AppleMikeyDriver 2.0.5f13
com.apple.driver.AppleUpstreamUserClient 3.5.7
com.apple.driver.AppleMCCSControl 1.0.20
com.apple.driver.AudioAUUC 1.57
com.apple.kext.ATIFramebuffer 6.3.4
com.apple.Dont_Steal_Mac_OS_X 7.0.0
com.apple.driver.AudioIPCDriver 1.1.6
com.apple.driver.AirPort.Atheros9388 426.35.3
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.kext.AppleSMCLMU 1.5.2d10
com.apple.ATIRadeonX3000 6.3.4
com.apple.driver.AppleIntelHDGraphics 6.3.4
com.apple.driver.AppleIntelSNBGraphicsFB 6.3.4
com.apple.iokit.SCSITaskUserClient 2.6.8
com.apple.driver.AppleUSBCardReader 2.6.0
com.apple.driver.AppleIRController 303.8
com.apple.iokit.IOAHCIBlockStorage 1.6.4
com.apple.BootCache 31
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1
com.apple.driver.AppleUSBHub 4.2.0
com.apple.driver.AppleFWOHCI 4.7.3
com.apple.iokit.AppleBCM5701Ethernet 3.0.5b8
com.apple.driver.AppleEFINVRAM 1.4.0
com.apple.driver.AppleAHCIPort 2.1.7
com.apple.driver.AppleUSBEHCI 4.2.0
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 2.1.11
com.apple.driver.AppleIntelCPUPowerManagement 142.6.0
com.apple.driver.IOBluetoothHIDDriver 2.4.5f1
com.apple.driver.AppleMultitouchDriver 207.11
com.apple.driver.AppleProfileReadCounterAction 17
com.apple.driver.DspFuncLib 2.0.5f13
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.driver.AppleSMBusController 1.0.10d0
com.apple.iokit.IOFireWireIP 2.0.3
com.apple.iokit.IOSurface 74.2
com.apple.iokit.IOBluetoothSerialManager 2.4.5f1
com.apple.iokit.IOSerialFamily 10.0.3
com.apple.iokit.IOAudioFamily 1.8.3fc2
com.apple.kext.OSvKernDSPLib 1.3
com.apple.driver.AppleHDAController 2.0.5f13
com.apple.iokit.IOHDAFamily 2.0.5f13
com.apple.iokit.IO80211Family 320.1
com.apple.iokit.AppleProfileFamily 41
com.apple.driver.IOPlatformPluginFamily 4.7.0a1
com.apple.driver.AppleSMBusPCI 1.0.10d0
com.apple.driver.AppleBacklightExpert 1.0.1
com.apple.driver.AppleSMC 3.1.0d5
com.apple.driver.AppleThunderboltEDMSink 1.0.5
com.apple.driver.AppleThunderboltEDMSource 1.0.5
com.apple.kext.ATI6000Controller 6.3.4
com.apple.kext.ATISupport 6.3.4
com.apple.iokit.IONDRVSupport 2.2
com.apple.iokit.IOGraphicsFamily 2.2
com.apple.driver.AppleThunderboltDPOutAdapter 1.2.0
com.apple.driver.AppleThunderboltDPInAdapter 1.2.0
com.apple.driver.AppleThunderboltDPAdapterFamily 1.2.0
com.apple.driver.AppleThunderboltPCIDownAdapter 1.1.5
com.apple.driver.AppleUSBHIDKeyboard 141
com.apple.driver.AppleHIDKeyboard 141
com.apple.driver.BroadcomUSBBluetoothHCIController 2.4.5f1
com.apple.driver.AppleUSBBluetoothHCIController 2.4.5f1
com.apple.iokit.IOBluetoothFamily 2.4.5f1
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.iokit.IOSCSIBlockCommandsDevice 2.6.8
com.apple.iokit.IOUSBMassStorageClass 2.6.6
com.apple.iokit.IOAHCISerialATAPI 1.2.6
com.apple.iokit.IOSCSIArchitectureModelFamily 2.6.8
com.apple.iokit.IOUSBHIDDriver 4.2.0
com.apple.driver.AppleUSBMergeNub 4.2.2
com.apple.driver.AppleUSBComposite 3.9.0
com.apple.driver.XsanFilter 402.1
com.apple.driver.AppleThunderboltNHI 1.2.3
com.apple.iokit.IOThunderboltFamily 1.3.5
com.apple.iokit.IOUSBUserClient 4.2.0
com.apple.iokit.IOFireWireFamily 4.2.6
com.apple.iokit.IONetworkingFamily 1.10
com.apple.iokit.IOAHCIFamily 2.0.6
com.apple.iokit.IOUSBFamily 4.2.2
com.apple.driver.AppleEFIRuntime 1.4.0
com.apple.iokit.IOHIDFamily 1.6.6
com.apple.iokit.IOSMBusFamily 1.1
com.apple.kext.AppleMatch 1.0.0d1
com.apple.security.TMSafetyNet 6
com.apple.driver.DiskImages 289
com.apple.iokit.IOStorageFamily 1.6.3
com.apple.driver.AppleACPIPlatform 1.3.6
com.apple.iokit.IOPCIFamily 2.6.3
com.apple.iokit.IOACPIFamily 1.3.0
Click to expand...
 
Last edited:
I had that issue too. What i did I do a reset PRAM and unplug everything (Power cord too!). Then, hold down the power button for 10 to 15 mins and power up.

for my case, the os x didn't boot up (the screen was stuck at the Apple Logo). So, I just reinstall os x again and now it works find.

try it out because this is just a basic diagnostic. I hope this help! :)

PS. make sure you don't have a third party ram because the third party ram mainly causes the Kernel Panics :apple:
 
Bat6111 said:
I had that issue too. What i did I do a reset PRAM and unplug everything (Power cord too!). Then, hold down the power button for 10 to 15 mins and power up.

for my case, the os x didn't boot up (the screen was stuck at the Apple Logo). So, I just reinstall os x again and now it works find.

try it out because this is just a basic diagnostic. I hope this help! :)

PS. make sure you don't have a third party ram because the third party ram mainly causes the Kernel Panics :apple:
Click to expand...

Thanks for the reply :) Yeah I've done all of that too, trying to find the source of the problem. Right now I'm just gonna keep everything disconnected for a while, if it panics again I'll go to the store or something.

I don't have anything 3rd party yet, it's all the same stuff I got when I bought it a couple weeks ago :p
 
So I kept getting kernel panics and I called Apple again, they're going to send me another iMac. Hopefully this one doesn't have the same problems.
 
Okay, in case anyone else has the same problem as me. I got the replacement iMac sent to me, and it has a dead pixel (which is very noticeable), so I'm getting another replacement. But I then got the same kernel panics as the previous one, after I got off the phone with Apple about the dead pixel. This shocked me to be honest, I thought that this machine was fine, but no.

Then I did a clean install and let my first iMac (which I still have, courier hasn't picked it up yet) just sit idle for a few hours, nothing connected (only a magic mouse), not in my room (in case anything in here was causing them) and it still kernel panicked :(

This new one has the same panics as the other one (logs look very similar), random and I don't know what's causing them. The logs don't really point to anything specific. I haven't called Apple about the panics on this one, yet, but I thought I'd update this thread with my problem, in case someone else buys the same spec iMac as me and has the same problem.

I doubt it could be any files, since the only files I transferred from my older Macbook, are:

Photoshop/illustrator files,
Image files,
Pages documents,
iTunes library (so apps, music etc),
and that's about it really.

I'm very disappointed :( I'm being sent another one (which shipped today), but do I stick with it or just return it and get a refund? I really like the machine when it's working, it's perfect for me, but the kernel panics aren't acceptable.

In case anyone can help, heres one of the kernel panic logs:

Thu Jun 9 20:51:54 2011
panic(cpu 0 caller 0xffffff80002d1208): Kernel trap at 0x0000000000000000, type 14=page fault, registers:
CR0: 0x000000008001003b, CR2: 0x0000000000000000, CR3: 0x0000000000100000, CR4: 0x0000000000040660
RAX: 0x00000000ffffffff, RBX: 0x0000000000000000, RCX: 0xffffff806199bf1c, RDX: 0x0000000000000000
RSP: 0xffffff806199beb8, RBP: 0xffffff806199bf50, RSI: 0xffffff805be60100, RDI: 0xffffff804be0becc
R8: 0x0000000000000001, R9: 0x0000000000000012, R10: 0x0000000000000001, R11: 0x00000470a8d3c33a
R12: 0xffffff800cd67f08, R13: 0xffffff804be0becc, R14: 0x0000000000000000, R15: 0x0000000000000000
RFL: 0x0000000000010297, RIP: 0x0000000000000000, CS: 0x0000000000000008, SS: 0x0000000000000010
Error code: 0x0000000000000010

Backtrace (CPU 0), Frame : Return Address
0xffffff806199bb50 : 0xffffff8000204d15
0xffffff806199bc50 : 0xffffff80002d1208
0xffffff806199bda0 : 0xffffff80002e3f4a
0xffffff806199bdb0 : 0x0
0xffffff806199bf50 : 0xffffff800032e86b
0xffffff806199bfa0 : 0xffffff80002c8527

BSD process name corresponding to current thread: kernel_task

Mac OS version:
10J4139

Kernel version:
Darwin Kernel Version 10.7.4: Mon Apr 18 21:24:17 PDT 2011; root:xnu-1504.14.12~3/RELEASE_X86_64
System model name: iMac12,2 (Mac-942B59F58194171B)

System uptime in nanoseconds: 4881995372395
unloaded kexts:
com.apple.driver.AppleUSBUHCI 4.2.0 (addr 0xffffff7f81305000, size 0x65536) - last unloaded 97054865157
loaded kexts:
com.apple.driver.AppleBluetoothMultitouch 54 - last loaded 30702884645
com.apple.filesystems.autofs 2.1.0
com.apple.driver.AppleHWSensor 1.9.3d0
com.apple.driver.AppleMikeyHIDDriver 1.2.0
com.apple.driver.AGPM 100.12.31
com.apple.driver.AppleHDA 2.0.5f13
com.apple.driver.AppleMikeyDriver 2.0.5f13
com.apple.driver.AppleUpstreamUserClient 3.5.7
com.apple.driver.AppleMCCSControl 1.0.20
com.apple.driver.AudioAUUC 1.57
com.apple.kext.ATIFramebuffer 6.3.4
com.apple.Dont_Steal_Mac_OS_X 7.0.0
com.apple.driver.AudioIPCDriver 1.1.6
com.apple.driver.AirPort.Atheros9388 426.35.3
com.apple.driver.AppleLPC 1.5.1
com.apple.driver.AppleBacklight 170.0.46
com.apple.kext.AppleSMCLMU 1.5.2d10
com.apple.ATIRadeonX3000 6.3.4
com.apple.driver.AppleIntelHDGraphics 6.3.4
com.apple.driver.AppleIntelSNBGraphicsFB 6.3.4
com.apple.driver.ACPI_SMC_PlatformPlugin 4.7.0a1
com.apple.driver.AppleIRController 303.8
com.apple.iokit.SCSITaskUserClient 2.6.8
com.apple.driver.AppleUSBCardReader 2.6.0
com.apple.iokit.IOAHCIBlockStorage 1.6.4
com.apple.BootCache 31
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1
com.apple.driver.AppleUSBHub 4.2.0
com.apple.driver.AppleFWOHCI 4.7.3
com.apple.iokit.AppleBCM5701Ethernet 3.0.5b8
com.apple.driver.AppleEFINVRAM 1.4.0
com.apple.driver.AppleAHCIPort 2.1.7
com.apple.driver.AppleUSBEHCI 4.2.0
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 2.1.11
com.apple.driver.AppleIntelCPUPowerManagement 142.6.0
com.apple.driver.IOBluetoothHIDDriver 2.4.5f1
com.apple.driver.AppleMultitouchDriver 207.11
com.apple.iokit.IOBluetoothSerialManager 2.4.5f1
com.apple.iokit.IOSerialFamily 10.0.3
com.apple.driver.AppleProfileReadCounterAction 17
com.apple.driver.DspFuncLib 2.0.5f13
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.driver.AppleSMBusController 1.0.10d0
com.apple.iokit.IOFireWireIP 2.0.3
com.apple.iokit.IOSurface 74.2
com.apple.iokit.IOAudioFamily 1.8.3fc2
com.apple.kext.OSvKernDSPLib 1.3
com.apple.driver.AppleHDAController 2.0.5f13
com.apple.iokit.IOHDAFamily 2.0.5f13
com.apple.iokit.IO80211Family 320.1
com.apple.iokit.AppleProfileFamily 41
com.apple.driver.AppleSMBusPCI 1.0.10d0
com.apple.driver.AppleBacklightExpert 1.0.1
com.apple.driver.AppleThunderboltEDMSink 1.0.5
com.apple.driver.AppleThunderboltEDMSource 1.0.5
com.apple.kext.ATI6000Controller 6.3.4
com.apple.kext.ATISupport 6.3.4
com.apple.iokit.IONDRVSupport 2.2
com.apple.iokit.IOGraphicsFamily 2.2
com.apple.driver.AppleSMC 3.1.0d5
com.apple.driver.IOPlatformPluginFamily 4.7.0a1
com.apple.driver.AppleUSBHIDKeyboard 141
com.apple.driver.AppleHIDKeyboard 141
com.apple.driver.AppleThunderboltDPOutAdapter 1.2.0
com.apple.driver.AppleThunderboltDPInAdapter 1.2.0
com.apple.driver.AppleThunderboltDPAdapterFamily 1.2.0
com.apple.driver.AppleThunderboltPCIDownAdapter 1.1.5
com.apple.driver.BroadcomUSBBluetoothHCIController 2.4.5f1
com.apple.driver.AppleUSBBluetoothHCIController 2.4.5f1
com.apple.iokit.IOBluetoothFamily 2.4.5f1
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.iokit.IOUSBHIDDriver 4.2.0
com.apple.iokit.IOAHCISerialATAPI 1.2.6
com.apple.iokit.IOSCSIBlockCommandsDevice 2.6.8
com.apple.iokit.IOUSBMassStorageClass 2.6.6
com.apple.iokit.IOSCSIArchitectureModelFamily 2.6.8
com.apple.driver.AppleUSBMergeNub 4.2.2
com.apple.driver.AppleUSBComposite 3.9.0
com.apple.driver.XsanFilter 402.1
com.apple.driver.AppleThunderboltNHI 1.2.3
com.apple.iokit.IOThunderboltFamily 1.3.5
com.apple.iokit.IOUSBUserClient 4.2.0
com.apple.iokit.IOFireWireFamily 4.2.6
com.apple.iokit.IONetworkingFamily 1.10
com.apple.iokit.IOAHCIFamily 2.0.6
com.apple.iokit.IOUSBFamily 4.2.2
com.apple.driver.AppleEFIRuntime 1.4.0
com.apple.iokit.IOHIDFamily 1.6.6
com.apple.iokit.IOSMBusFamily 1.1
com.apple.kext.AppleMatch 1.0.0d1
com.apple.security.TMSafetyNet 6
com.apple.driver.DiskImages 289
com.apple.iokit.IOStorageFamily 1.6.3
com.apple.driver.AppleACPIPlatform 1.3.6
com.apple.iokit.IOPCIFamily 2.6.3
com.apple.iokit.IOACPIFamily 1.3.0
Click to expand...
 
Last edited:
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