iMac (Late 2013) 27" i7 Haswell constant crashing with 32GB RAM

Question

Level 1

0 points

iMac (Late 2013) 27" i7 Haswell constant crashing with 32GB RAM

I have Crucial 4x 8GB DDR3L (dual voltage 1.35/1.5 v) RAM sticks and it is very unstable! If I reduce to two sticks i.e. 16GB the system is stable. I have tried them in different orders, but every time I have 32GB in, it crashes at least every couple of hours. Any order of RAM at 16GB is fine.

Have performed Apple Diagnostics + RAM memtest and nothing appears the matter.

Anyone else with ideas or experincing similar issues? I have installed Windows 7 via Bootcamp and running with VirtualBox, but the crashes were happening on the iMac just out of the box with nothing installed with the 32GB in.

Setup:

27-inch, Late 2013

Processor 3.5 GHz Intel Core i7

Graphics NVIDIA GeForce GTX 780M 4096 MB

Software OS X 10.8.5 (12F45)

HDD 1TB Fusion Drive

Here's an example error log:

Interval Since Last Panic Report:  65334 sec
Panics Since Last Report:          1
Anonymous UUID:                    9CF2ECB9-F21B-1AD0-6570-6EC17A22DE55

Sun Nov  3 10:16:52 2013
panic(cpu 0 caller 0xffffff8002ab8945): Kernel trap at 0xffffff8002ad3434, type 14=page fault, registers:
CR0: 0x000000008001003b, CR2: 0x00000000000007aa, CR3: 0x00000000056f3000, CR4: 0x00000000001606e0
RAX: 0x0000000039b59589, RBX: 0x0000000000000580, RCX: 0xffffff80030edf18, RDX: 0x0000000039b59589
RSP: 0xffffff8391f9bce0, RBP: 0xffffff8391f9bd00, RSI: 0x000004070f0f8ced, RDI: 0xffffff8003001f20
R8:  0x0000000000000001, R9:  0x00000000000003ff, R10: 0xffffffffffffffff, R11: 0x00000000ffffffff
R12: 0x0000000000000000, R13: 0xffffff837fde0600, R14: 0xffffff80030d1b00, R15: 0x0000000000000002
RFL: 0x0000000000010002, RIP: 0xffffff8002ad3434, CS:  0x0000000000000008, SS:  0x0000000000000010
Fault CR2: 0x00000000000007aa, Error code: 0x0000000000000002, Fault CPU: 0x0

Backtrace (CPU 0), Frame : Return Address
0xffffff8391f9b980 : 0xffffff8002a1d636 
0xffffff8391f9b9f0 : 0xffffff8002ab8945 
0xffffff8391f9bbc0 : 0xffffff8002acebfd 
0xffffff8391f9bbe0 : 0xffffff8002ad3434 
0xffffff8391f9bd00 : 0xffffff8002acf884 
0xffffff8391f9bd30 : 0xffffff8002abff46 
0xffffff8391f9bd50 : 0xffffff8002a2c269 
0xffffff8391f9bd70 : 0xffffff8002a42123 
0xffffff8391f9bdc0 : 0xffffff8002b3fd7c 
0xffffff8391f9be30 : 0xffffff7f838422d4 
0xffffff8391f9be50 : 0xffffff7f838423a3 
0xffffff8391f9be70 : 0xffffff7f83c134fa 
0xffffff8391f9bea0 : 0xffffff7f83c05b12 
0xffffff8391f9bef0 : 0xffffff8002e50e58 
0xffffff8391f9bf30 : 0xffffff8002e4f95a 
0xffffff8391f9bf80 : 0xffffff8002e4fa89 
0xffffff8391f9bfb0 : 0xffffff8002ab3257 
      Kernel Extensions in backtrace:
         com.apple.iokit.IONetworkingFamily(3.0)[F02560D1-ADE6-3AD9-8D05-43CB2B7C8B87]@0xffffff7f83838000->0xffffff7f83862fff
         com.apple.iokit.AppleBCM5701Ethernet(3.6.2b4)[6E5242BB-5BD2-3BC6-ADBB-F05D02568DC0]@0xffffff7f83c04000->0xffffff7f83c3bfff
            dependency: com.apple.iokit.IOACPIFamily(1.4)[A35915E8-C1B0-3C0F-81DF-5515BC9002FC]@0xffffff7f83b98000
            dependency: com.apple.iokit.IOPCIFamily(2.8)[6C1D646D-7E5E-3D7F-A557-2CBA398FF878]@0xffffff7f8308e000
            dependency: com.apple.iokit.IOEthernetAVBController(1.0.2b1)[4CE25B46-E77B-3CCC-939A-DD10DA6EBE97]@0xffffff7f83bfd000
            dependency: com.apple.iokit.IONetworkingFamily(3.0)[F02560D1-ADE6-3AD9-8D05-43CB2B7C8B87]@0xffffff7f83838000

BSD process name corresponding to current thread: kernel_task

Mac OS version:
12F45

Kernel version:
Darwin Kernel Version 12.5.0: Sun Sep 29 13:33:47 PDT 2013; root:xnu-2050.48.12~1/RELEASE_X86_64
Kernel UUID: EA38B02E-2B88-309F-BA68-1DE29F605DD8
Kernel slide:     0x0000000002800000
Kernel text base: 0xffffff8002a00000
System model name: iMac14,2 (Mac-27ADBB7B4CEE8E61)

System uptime in nanoseconds: 4427395803894
last loaded kext at 427144044534: com.apple.filesystems.smbfs    1.8.4 (addr 0xffffff7f85097000, size 229376)
last unloaded kext at 278163156098: com.apple.iokit.IOUSBMassStorageClass    3.5.2 (addr 0xffffff7f838e1000, size 69632)
loaded kexts:
org.virtualbox.kext.VBoxNetAdp    4.3.2
org.virtualbox.kext.VBoxNetFlt    4.3.2
org.virtualbox.kext.VBoxUSB    4.3.2
org.virtualbox.kext.VBoxDrv    4.3.2
com.apple.filesystems.smbfs    1.8.4
com.apple.driver.AppleHWSensor    1.9.5d0
com.apple.filesystems.autofs    3.0
com.apple.driver.AppleBluetoothMultitouch    75.19
com.apple.driver.AudioAUUC    1.60
com.apple.iokit.IOBluetoothSerialManager    4.1.7f4
com.apple.driver.AGPM    100.13.12
com.apple.driver.ApplePlatformEnabler    2.0.7d2
com.apple.driver.X86PlatformShim    1.0.0
com.apple.driver.AppleMikeyHIDDriver    124
com.apple.driver.AppleHDA    2.4.7fc4
com.apple.driver.AppleUpstreamUserClient    3.5.12
com.apple.GeForce    8.1.6
com.apple.iokit.IOUserEthernet    1.0.0d1
com.apple.driver.AppleMikeyDriver    2.4.7fc4
com.apple.driver.AppleIntelHD5000Graphics    8.1.6
com.apple.driver.AppleBacklight    170.3.5
com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport    4.1.7f4
com.apple.Dont_Steal_Mac_OS_X    7.0.0
com.apple.driver.AppleSMBusPCI    1.0.11d1
com.apple.driver.AppleSMCLMU    2.0.3d0
com.apple.driver.AppleLPC    1.6.3
com.apple.driver.AppleMCCSControl    1.1.11
com.apple.driver.ApplePolicyControl    3.4.5
com.apple.driver.AppleIntelFramebufferAzul    8.1.6
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless    1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib    1.0.0d1
com.apple.BootCache    34
com.apple.driver.AppleUSBHub    635.4.0
com.apple.driver.XsanFilter    404
com.apple.iokit.IOAHCIBlockStorage    2.3.5
com.apple.driver.AppleSDXC    1.4.3
com.apple.iokit.AppleBCM5701Ethernet    3.6.2b4
com.apple.driver.AirPort.Brcm4360    641.15.1
com.apple.driver.AppleAHCIPort    2.6.6
com.apple.driver.AppleUSBXHCI    635.4.0
com.apple.driver.AppleACPIButtons    1.8
com.apple.driver.AppleRTC    1.5
com.apple.driver.AppleHPET    1.8
com.apple.driver.AppleSMBIOS    1.9
com.apple.driver.AppleACPIEC    1.8
com.apple.driver.AppleAPIC    1.7
com.apple.nke.applicationfirewall    4.0.39
com.apple.security.quarantine    2.1
com.apple.driver.AppleBluetoothHIDKeyboard    170.2.4
com.apple.driver.AppleHIDKeyboard    170.2.4
com.apple.kext.triggers    1.0
com.apple.driver.IOBluetoothHIDDriver    4.1.7f4
com.apple.driver.AppleMultitouchDriver    237.4
com.apple.iokit.IOSerialFamily    10.0.6
com.apple.driver.DspFuncLib    2.4.7fc4
com.apple.iokit.IOAudioFamily    1.9.2fc7
com.apple.kext.OSvKernDSPLib    1.12
com.apple.nvidia.gk100hal    8.1.6
com.apple.NVDAResman    8.1.6
com.apple.iokit.IOSurface    86.0.4
com.apple.iokit.IOAcceleratorFamily2    74.15
com.apple.driver.AppleBacklightExpert    1.0.4
com.apple.iokit.IOBluetoothHostControllerUSBTransport    4.1.7f4
com.apple.iokit.IOBluetoothFamily    4.1.7f4
com.apple.driver.AppleHDAController    2.4.7fc4
com.apple.iokit.IOHDAFamily    2.4.7fc4
com.apple.driver.X86PlatformPlugin    1.0.0
com.apple.driver.AppleSMC    3.1.5d4
com.apple.driver.IOPlatformPluginFamily    5.4.1d13
com.apple.driver.AppleSMBusController    1.0.11d1
com.apple.driver.AppleGraphicsControl    3.4.5
com.apple.iokit.IONDRVSupport    2.3.7
com.apple.iokit.IOGraphicsFamily    2.3.7
com.apple.driver.AppleThunderboltEDMSink    1.2.0
com.apple.driver.AppleUSBMergeNub    621.4.6
com.apple.iokit.IOSCSIArchitectureModelFamily    3.5.6
com.apple.driver.AppleUSBComposite    621.4.0
com.apple.driver.AppleThunderboltDPOutAdapter    2.5.0
com.apple.driver.AppleThunderboltDPInAdapter    2.5.0
com.apple.driver.AppleThunderboltDPAdapterFamily    2.5.0
com.apple.driver.AppleThunderboltPCIDownAdapter    1.3.2
com.apple.driver.CoreStorage    296.18.2
com.apple.iokit.IOUSBUserClient    630.4.4
com.apple.driver.AppleThunderboltNHI    1.9.2
com.apple.iokit.IOThunderboltFamily    2.7.7
com.apple.iokit.IOEthernetAVBController    1.0.2b1
com.apple.iokit.IO80211Family    530.5
com.apple.iokit.IONetworkingFamily    3.0
com.apple.iokit.IOAHCIFamily    2.5.1
com.apple.iokit.IOUSBFamily    635.4.0
com.apple.driver.AppleEFINVRAM    2.0
com.apple.iokit.IOHIDFamily    1.8.1
com.apple.driver.AppleEFIRuntime    2.0
com.apple.iokit.IOSMBusFamily    1.1
com.apple.security.sandbox    220.3
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    1.8
com.apple.iokit.IOPCIFamily    2.8
com.apple.iokit.IOACPIFamily    1.4
com.apple.kec.corecrypto    1.0
System Profile:
Model: iMac14,2, BootROM IM142.0118.B00, 4 processors, Intel Core i7, 3.5 GHz, 16 GB, SMC 2.15f2
Graphics: NVIDIA GeForce GTX 780M, NVIDIA GeForce GTX 780M, PCIe, 4096 MB
Memory Module: BANK 0/DIMM1, 8 GB, DDR3, 1600 MHz, 0x859B, 0x435438473353313630424D2E4D3136464444
Memory Module: BANK 1/DIMM1, 8 GB, DDR3, 1600 MHz, 0x859B, 0x435438473353313630424D2E4D3136464444
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x111), Broadcom BCM43xx 1.0 (6.30.225.29.1)
Bluetooth: Version 4.1.7f4 12974, 3 service, 21 devices, 3 incoming serial ports
Network Service: Ethernet, Ethernet, en0
Network Service: Wi-Fi, AirPort, en1
Serial ATA Device: APPLE HDD WD10EZES-40UFAA0, 1 TB
Serial ATA Device: APPLE SSD SD0128F, 121.33 GB
USB Device: HD-GDU3, 0x0411  (Melco, Inc.), 0x0235, 0x15600000 / 10
USB Device: FaceTime HD Camera (Built-in), apple_vendor_id, 0x8511, 0x14700000 / 5
USB Device: BRCM20702 Hub, 0x0a5c  (Broadcom Corp.), 0x4500, 0x14800000 / 1
USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x828d, 0x14830000 / 2

Many thanks

iMac (27-inch, Late 2013), OS X Mountain Lion (10.8.5)

Posted on Nov 3, 2013 4:03 AM

Reply

Answer 1

val75

Level 1

5 points

Nov 28, 2013 3:43 PM in response to shaunumb

Hello guys,

I'm having the same issue as many of you... I have a late 2013 27" iMac, Intel Core i7, 3 TB Fusion Drive, NVIDIA GeForce GTX 780M 4096 MB and 32 GB of RAM from Crucial (part number CT4951621). I used Crucial memory on my old late 2009 21.5" iMac and never had any issue.

I installed the Crucial memory modules on Nov 19th and all went well with no errors. Then I had a kernel panic on Nov 24th and two today. I checked the log, but I have to say I don't really understand it. The crash on Nov 24th happened without me noticing it, I only spotted it in the logs. The first crash of today must have happened when my iMac was sleeping, because when I tried to awake it, I actually had to press the Start Up button. The second crash happened while I was using Safari, watching a video clip on YouTube.

I will keep track of what's going on and see if there's a possible pattern. Although, by what I read it seems to be related to 3rd party memory installed on a late 2013 27" iMac. It doesn't seem to be an issue with iMac itself, but I can be wrong. I really hope I don't have to have my iMac replaced, because I need it for my work!

Cheers,

Valerio

Reply

Answer 2

Nov 28, 2013 5:30 PM in response to shaunumb

Same problem here.

Yesterday, I've update my 27 iMac (late 2013), 3.5 GHz i7, GeForce GTX 780M 4096 MB, 512 GB SSD and Mavericks installed, to 32GB of RAM (Kingston HyperX 4 x 8 GB DDR3 CL9) and the system started to crash. Researched the problem and I thought that the problem was with my Dropbox, because I started to upload a large file right after I reboot the iMac for the first time since I installed the RAM. Read in the Dropbox foruns that the Dropbox version that I was using caused some memory lags and crashes and I updated to the last version. iMac still crashed after an hour of use.

I thought that the problem might be from the RAM, but I was already using 2 x 8 GB HyperX modules from Kingston for several weeks with no problems. I even used the 2 Kingston modules with the stock 8GB Apple RAM in a total of 24 GB without any issue.

When I look closer to the panic log, saw a reference to Google Chrome and I noticed that the iMac crashed when I was using Chrome and watching some videos on YouTube. After some more research, read in another forum that the latest Adobe Flash Player could cause the system to hang and crash when using Chrome. I open Chrome's plugin page and saw that there were two Flash Players plugins running at the same time.

I've disable the Flash plugin and the system is running smoothly since then with no crashes for about 4 hours. It's a shot in the dark, but that could be one of the main reasons for the crashes. Lets see!

Reply

Answer 3

ginooken

Level 1

0 points

Nov 28, 2013 11:56 PM in response to nuferreira

Hi Nuferreira,

I tried that also a couple of weeks ago, but I ended up avoiding Chrome all together. I still have issues

once in a while but less frequent now when I no longer use Chrome. Don't know for sure if there's a link all together.

I still keep the Crucial 32Gb in place because I don't wa'nt to fiddle with the RAM modules every other day. Hopefully some fix surfaces soon.

Keep us posted anyway.

Gino

Reply

Answer 4

Nov 29, 2013 4:03 AM in response to shaunumb

Well, after 24 hours without a crash, it happened again. This time it wasn't Dropbox or Chrome. It was Adobe Lightroom 5.

I sent the usual report to Apple and just switched to my previous RAM combo (Kingston HyperX 2 x 8 GB DDR3 CL9 + 2 x 4 GB Apple stock modules)in a total of 24 GB.

Hope Apple fix this very soon.

Reply

Answer 5

Nov 29, 2013 10:50 AM in response to shaunumb

I'm still with no crashes in more than 48h with 32GB from Crucial, part CT4951620. Normal use, I don't use Chrome. A pair of USB drives conected.

My panics happened with antoher modules from Crucial, that I bought on February and I've used with the previous imac model during months.

'Ginooken' says he's having issues with the same modules, so it seems that the problem is a ramdom incompatibility issue, and that there's no problems in the modules themself. Anyway, the problem seems to have been resolved by itself here...

Reply

Answer 6

britops

Level 2

196 points

Nov 30, 2013 2:13 PM in response to guillemvlc

Installed two x 8 Gb Crucial memory today with the existing two x 4 Gb Apple memory in my Late 2013 iMac with Fusion drive and no problems to report yet.

Reply

Answer 7

daracne

Level 1

0 points

Nov 30, 2013 9:07 PM in response to shaunumb

This thread helped fix this problem on my new 27" iMac.

https://discussions.apple.com/thread/5500080

Reply

Answer 8

britops

Level 2

196 points

Dec 1, 2013 11:47 AM in response to daracne

Mine are 1.35v and still no problems and hopefully won't.

Reply

Answer 9

Rodrejo

Level 1

8 points

Dec 1, 2013 11:25 PM in response to shaunumb

Hello there, I have also the same problem in my IMAC late 2013, 32 gb crucial memory and some ramdons kernel panics. I went to the genius bar with the IMAC and they say every was ok after a fast test. Also I talked with crucial and they told me some recomendation about NVRAM but also did not work.

I have another IMAC 2011 with 16gb crucial memory without panics!

I have also a IMAC 27 late 2013. I also installed 32 gb from crucial, CT8G3S160BM.M16FDD. My system set up is:

I7, 3,5 Ghz, 1 TB Fusion Drive, Gforce 780 GTX, running OSX 10.9

Last kernel panic was after one hour watching ip tv over apple tv. Now I am trying with only 16gb. I will report soon.

Some recomendations??

Thanks!

Reply

Answer 10

Dec 3, 2013 11:55 AM in response to Rodrejo

I have the same problem - IMac Late 2013, 27", i7 Haswell, Crucial 32GB etc although I am on OS 10.7.5 and haven't upgraded yet due to reported problems with Mavericks and Cubase 7. My Crucial reference is CT2C8G3S160BMCEU.

It first commenced crashing straight after I upgraded the RAM and all I had attached was a CD ROM unit to put on my software.

Apple suggested I put the original RAM back in (no problems) and if that were the case the RAM units from Crucial were possibly faulty, but reading this thread, it does not suggest that this is the case.

I guess await an update from Apple or Crucial...

Reply

Answer 11

Rodrejo

Level 1

8 points

Dec 3, 2013 12:52 PM in response to MICKEY DRIPPING

At present I am working 48h with 16Gb Crucial Memories without kernel panics. I will wait some time...

Reply

Answer 12

shaunumb Author

Level 1

0 points

Dec 6, 2013 8:07 AM in response to shaunumb

Good news:

I received a replacement 4x8GB set from Crucial and I haven't had a crash for two days. I have been using the computer entensively for design and development without issue. Here

8GB DDR3L - 1600 SO DIMM

Product number: CT8G3S160BMCEU

Example of the product (UK site): http://uk.insight.com/en-gb/productinfo/computer-memory/0001471943

Hope this has finally put this issue to rest!

Reply

Answer 13

Dec 9, 2013 3:50 AM in response to shaunumb

Hi, updated information. I've been traveling two weeks, meanwhile I received a new iMac (RMA'd).

Summary. Bought iMac 27” Late 2013 and 32GB from Crucial. Had multiple crash and did multiple tests, I did RMA memory, I did RMA iMac, but unfortunately problem is still happening. MEM ONLY tests pass perfect but NORMAL WORK crash/panic on page faults.

Contacted again Apple Store and they tell me they don't have anything reported as of today.

The best max mem configuration I’ve achieved to work without problems: 24GB (2x8GB Crucial + 2x4GB Apple).

BANK 0/DIMM0 - CRUCIAL 8GB

BANK 1/DIMM1 - CRUCIAL 8GB

BANK 0/DIMM0 - APPLE ELPIDA 4GB

BANK 1/DIMM1 - APPLE ELPIDA 4GB

Working well from Saturday Dec 7th at 19:15 till now monday Dec 9th 12:22.

Differences between the memories to notice, using Tech Tool Pro 7 to output SPD data. By the way, I have no clue about this information is important or not...

Apple Elpida: SPD Revision 1.2 and Partial Array Self Refresh: Yes

Crucial: SPD Revision 1.1 and Partial Array Self Refresh: No

Again contacted Crucial for next step

Regards,

Luis

Reply

Answer 14

Dec 9, 2013 4:18 AM in response to luis.palacios.derqui

Sorry, forgot to add, here is the Full SPD Data report for the previous 24GB setup I mentioned.

Thanks

Luis

Reply

Answer 15

shaunumb Author

Level 1

0 points

Dec 9, 2013 5:03 AM in response to luis.palacios.derqui

Hi Luis

I was having the same issue as you. Crucial recently sent me new memory and now it works without issue. I wonder if there was a bad batch?

Cheers,

Shaun

Reply