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A1418 | EMC 2889 | Late 2015 | 1.6 GHz dual-core Intel Core i5 or 2.8 GHz quad-core Intel Core i5. Released October 13, 2015.

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My iMac is restarting randomly - Panic Error

Hi! a few days ago i replace my iMac HDD to SSD (iMac 21.5" EMC 2889 (Late 2015). And i put a Kingston A400 240GBSSD) and after that im having some issues..

My iMacs restarts randomly and when turn on again im getting this error:

panic(cpu 1 caller 0xffffff8018a4aa3a): Kernel trap at 0xffffff7f9b8bb340, type 14=page fault, registers:

CR0: 0x0000000080010033, CR2: 0x0000000000000008, CR3: 0x000000015ae68144, CR4: 0x00000000003626e0

RAX: 0x0000000000000000, RBX: 0xffffff8044a8e800, RCX: 0x0002e70700000000, RDX: 0xffffff81182d6040

RSP: 0xffffff913832b930, RBP: 0xffffff913832b960, RSI: 0x0002e70700000010, RDI: 0xffffff803f5d3000

R8: 0x000000000002e706, R9: 0x0000000000000000, R10: 0x0000020000011000, R11: 0x0000000003550005

R12: 0xffffff8118aec030, R13: 0x0000000000000000, R14: 0xffffff8044a8ee50, R15: 0x0000000000000000

RFL: 0x0000000000010202, RIP: 0xffffff7f9b8bb340, CS: 0x0000000000000008, SS: 0x0000000000000010

Fault CR2: 0x0000000000000008, Error code: 0x0000000000000002, Fault CPU: 0x1, PL: 0, VF: 0

Backtrace (CPU 1), Frame : Return Address

0xffffff913832b390 : 0xffffff801891f5cd

0xffffff913832b3e0 : 0xffffff8018a58b05

0xffffff913832b420 : 0xffffff8018a4a68e

0xffffff913832b470 : 0xffffff80188c5a40

0xffffff913832b490 : 0xffffff801891ec97

0xffffff913832b590 : 0xffffff801891f087

0xffffff913832b5e0 : 0xffffff80190c27cc

0xffffff913832b650 : 0xffffff8018a4aa3a

0xffffff913832b7d0 : 0xffffff8018a4a738

0xffffff913832b820 : 0xffffff80188c5a40

0xffffff913832b840 : 0xffffff7f9b8bb340

0xffffff913832b960 : 0xffffff7f9b7a351e

0xffffff913832b9a0 : 0xffffff7f9b7a3a4f

0xffffff913832b9d0 : 0xffffff7f9b7b267d

0xffffff913832ba10 : 0xffffff7f9b8c2706

0xffffff913832ba40 : 0xffffff7f9b7a100b

0xffffff913832bac0 : 0xffffff801905695e

0xffffff913832bb10 : 0xffffff8019054be7

0xffffff913832bb60 : 0xffffff801905dcb3

0xffffff913832bca0 : 0xffffff8018a082b2

0xffffff913832bdb0 : 0xffffff8018925328

0xffffff913832be10 : 0xffffff80188fbcc5

0xffffff913832be70 : 0xffffff8018912aa2

0xffffff913832bf00 : 0xffffff8018a30d05

0xffffff913832bfa0 : 0xffffff80188c6226

Kernel Extensions in backtrace:

com.apple.iokit.IOAcceleratorFamily2(438.5.4)[D695D9DA-7C20-35D6-910F-E7A332A0F515]@0xffffff7f9b79a000->0xffffff7f9b85efff

dependency: com.apple.driver.AppleMobileFileIntegrity(1.0.5)[E35D090D-DB9E-3DD0-9723-651FA730AA13]@0xffffff7f9999d000

dependency: com.apple.iokit.IOPCIFamily(2.9)[BE052F4D-9B80-3FCD-B36D-BACB7DEE0DF2]@0xffffff7f99331000

dependency: com.apple.iokit.IOSurface(269.11)[F1E7389D-2807-3C5D-8A7F-5422542E867F]@0xffffff7f9b768000

dependency: com.apple.iokit.IOGraphicsFamily(576.1)[B1C0006F-E1F5-37D9-9548-5F918E92B422]@0xffffff7f99cf0000

dependency: com.apple.iokit.IOReportFamily(47)[1FB49168-0280-3F04-A99A-F830C915E994]@0xffffff7f996cc000

com.apple.driver.AppleIntelKBLGraphics(14.0.6)[E09E2681-5119-37A7-9975-B87BC4E1AA8F]@0xffffff7f9b873000->0xffffff7f9b968fff

dependency: com.apple.iokit.IOPCIFamily(2.9)[BE052F4D-9B80-3FCD-B36D-BACB7DEE0DF2]@0xffffff7f99331000

dependency: com.apple.iokit.IOSurface(269.11)[F1E7389D-2807-3C5D-8A7F-5422542E867F]@0xffffff7f9b768000

dependency: com.apple.iokit.IOGraphicsFamily(576.1)[B1C0006F-E1F5-37D9-9548-5F918E92B422]@0xffffff7f99cf0000

dependency: com.apple.iokit.IOAcceleratorFamily2(438.5.4)[D695D9DA-7C20-35D6-910F-E7A332A0F515]@0xffffff7f9b79a000

BSD process name corresponding to current thread: Adobe CEF Helper

Mac OS version:

19F101

Kernel version:

Darwin Kernel Version 19.5.0: Tue May 26 20:41:44 PDT 2020; root:xnu-6153.121.2~2/RELEASE_X86_64

Kernel UUID: 54F1A78D-6F41-32BD-BFED-4381F9F6E2EF

Kernel slide: 0x0000000018600000

Kernel text base: 0xffffff8018800000

__HIB text base: 0xffffff8018700000

System model name: iMac18,1 (Mac-4B682C642B45593E)

System shutdown begun: NO

Panic diags file available: YES (0x0)

System uptime in nanoseconds: 18681214806951

last loaded kext at 18625517021715: >usb.cdc.acm 5.0.0 (addr 0xffffff7f9c555000, size 32768)

last unloaded kext at 18496207009980: >!UMergeNub 900.4.2 (addr 0xffffff7f9c529000, size 12288)

First, how i can identify the error? Some guides?

Anyone can tell me what is the error?

Thanks!!

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You'll need to tell us which of the many iMac's you have iMac systems

Also what was the drive you put in make & model

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@danj Yes i forgot that detail.. sorry. I had an 21.5" EMC 2889 (Late 2015).

And i put a Kingston A400 240GBSSD

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1 solution

At this point I think you’ll need to reformat the drive and install a fresh copy of the OS via Internet recovery. Don’t use cloning software as I’m suspecting that did you in.

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I've used a Time Machine so that can be the problem?

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First install a fresh OS via Internet recovery make sure the system is working after that step. Install any needed updates then validate the system is still working, then restore the apps from the Apps Store and the original media or web sites you know are clean. I would do a few at a time so you can isolate which one messed you up.

You likely have something a miss on the TimeMachine backup.

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Bryan Formento sera éternellement reconnaissant.
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