Kernel Panic SEP Manager

Question

mlopes Author

Level 1

10 points

Kernel Panic SEP Manager

Hi. Lately, I've been having random kernel panics followed by computer restarts. Any ideas?

Here's the log:

panic(cpu 0 caller 0xfffffff00d51c994): "SEP failed to power-gate after 5s

Mailbox status:

Unavailable

Mailbox entries:

Unavailable"@/BuildRoot/Library/Caches/com.apple.xbs/Sources/AppleSEPManager/AppleSEPManager-553.40.4/AppleSEPManagerARM.cpp:1741

Debugger message: panic

Memory ID: 0xff

OS version: 17P1081

macOS version: 19B88

Kernel version: Darwin Kernel Version 19.0.0: Mon Oct 14 03:38:28 PDT 2019; root:xnu-6153.41.3~14/RELEASE_ARM64_T8010

Kernel UUID: C3345225-B86D-3044-BC9A-E66585D86311

iBoot version: iBoot-5540.40.51

secure boot?: YES

x86 EFI Boot State: 0xd

x86 System State: 0x0

x86 Power State: 0x0

x86 Shutdown Cause: 0x5

x86 Previous Power Transitions: 0x10001000100

PCIeUp link state: not available

Paniclog version: 13

Kernel slide: 0x0000000005340000

Kernel text base: 0xfffffff00c344000

mach_absolute_time: 0x1d60f36f556

Epoch Time: sec usec

Boot : 0x5dcd5cb5 0x000d90cb

Sleep : 0x5dd3fd86 0x00064d28

Wake : 0x00000000 0x00000000

Calendar: 0x5dd3fd87 0x000316da

Panicked task 0xffffffe0003e7000: 3525 pages, 209 threads: pid 0: kernel_task

Panicked thread: 0xffffffe000418fd8, backtrace: 0xffffffe010fa79e0, tid: 102

lr: 0xfffffff00cbfc3a0 fp: 0xffffffe010fa7a20

lr: 0xfffffff00cbfc200 fp: 0xffffffe010fa7a90

lr: 0xfffffff00cd1670c fp: 0xffffffe010fa7b40

lr: 0xfffffff00d211610 fp: 0xffffffe010fa7b50

lr: 0xfffffff00cbfbb78 fp: 0xffffffe010fa7ec0

lr: 0xfffffff00cbfbec0 fp: 0xffffffe010fa7f10

lr: 0xfffffff00da7a8b4 fp: 0xffffffe010fa7f30

lr: 0xfffffff00d51c994 fp: 0xffffffe010fa7f70

lr: 0xfffffff00d512998 fp: 0xffffffe010fa7fa0

lr: 0xfffffff00d19d2c4 fp: 0xffffffe010fa7fd0

lr: 0xfffffff00d289170 fp: 0xffffffe010fa7fe0

lr: 0xfffffff00cc11318 fp: 0xffffffe010fa7ff0

lr: 0xfffffff00cc112ac fp: 0xffffffe015cebc90

lr: 0xfffffff00d21c514 fp: 0x0000000000000000

MacBook Pro 13”, macOS 10.15

Posted on Nov 19, 2019 7:29 AM

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Answer 1

Barney-15E

Level 10

122,084 points

Nov 26, 2019 6:36 AM in response to mlopes

That's what I assumed, but had to check as that is easier to resolve.

You appear to have a hardware fault. Take it to an Apple Store or Certified Repair center for evaluation.

Take copies of the panic logs so they have an idea if they need to run specialized tests.

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Answer 2

Barney-15E

Level 10

122,084 points

Nov 26, 2019 6:22 AM in response to mlopes

Are you running Symantec Endpoint Protection?

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Answer 3

Barney-15E

Level 10

122,084 points

Nov 19, 2019 6:03 PM in response to mlopes

We need the rest of the panic log. Use the Additional Text area (document icon) to post it.

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Answer 4

mlopes Author

Level 1

10 points

Jan 5, 2020 12:16 PM in response to johntdavies

Hey John. Do you own, by any chance, a usb-c to usb/mini display/usb-c adapter that is not Apple’s? The crashes are way more frequent when I have that adapter connected.

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Answer 5

mlopes Author

Level 1

10 points

Nov 26, 2019 6:24 AM in response to Barney-15E

Not that I'm aware of. I haven't installed anything from Symantec. If I'm not mistaken, SEP means Secure Enclave Processor, not Symantec Endpoint Protection.

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Answer 6

mlopes Author

Level 1

10 points

Nov 26, 2019 6:15 AM in response to Barney-15E

Hi. I had another random restart. This is the (full) kernel panic log:

Any help is very welcome. I'm tired of seeing my Macbook restart every few days.

panic(cpu 0 caller 0xfffffff02709c6a0): "SEP Panic: :SEPD/ep0 : 0x000178ae 0x00009cd3 0x000117cb 0x000112b7 0x00015e9b 0x00000000 0x00000000 0x00000000 [hnoqu]

Panic app vers: 1267.40.19

Panic app UUID: C7A7BB61-1E45-39C7-A925-4578A490DDD3

Root task tag: AppleSEPOS-1267.40.19

Root task vers: AppleSEPOS-1267.40.19

Root task UUID: 5C6E680E-D349-3082-A2FE-3E53DE57CE1B

Firmware type: UNKNOWN SEPOS

Mailbox status:

Unavailable

Mailbox Entries:

Unavailable

"@/BuildRoot/Library/Caches/com.apple.xbs/Sources/AppleSEPManager/AppleSEPManager-553.40.4/AppleSEPManagerARM.cpp:1874

Debugger message: panic

Memory ID: 0xff

OS version: 17P1081

macOS version: 19B88

Kernel version: Darwin Kernel Version 19.0.0: Mon Oct 14 03:38:28 PDT 2019; root:xnu-6153.41.3~14/RELEASE_ARM64_T8010

Kernel UUID: C3345225-B86D-3044-BC9A-E66585D86311

iBoot version: iBoot-5540.40.51

secure boot?: YES

x86 EFI Boot State: 0xd

x86 System State: 0x0

x86 Power State: 0x0

x86 Shutdown Cause: 0x5

x86 Previous Power Transitions: 0x10001000100

PCIeUp link state: not available

Paniclog version: 13

Kernel slide: 0x000000001eec0000

Kernel text base: 0xfffffff025ec4000

mach_absolute_time: 0x4cf3366d9b7

Epoch Time: sec usec

Boot : 0x5dd3fd9d 0x00034e73

Sleep : 0x5ddd2ef2 0x000c6447

Wake : 0x00000000 0x00000000

Calendar: 0x5ddd2ef3 0x00092893

Panicked task 0xffffffe000620e00: 3808 pages, 209 threads: pid 0: kernel_task

Panicked thread: 0xffffffe000650fd8, backtrace: 0xffffffe011387980, tid: 102

lr: 0xfffffff02677c3a0 fp: 0xffffffe0113879c0

lr: 0xfffffff02677c200 fp: 0xffffffe011387a30

lr: 0xfffffff02689670c fp: 0xffffffe011387ae0

lr: 0xfffffff026d91610 fp: 0xffffffe011387af0

lr: 0xfffffff02677bb78 fp: 0xffffffe011387e60

lr: 0xfffffff02677bec0 fp: 0xffffffe011387eb0

lr: 0xfffffff0275fa8b4 fp: 0xffffffe011387ed0

lr: 0xfffffff02709c6a0 fp: 0xffffffe011387f50

lr: 0xfffffff027091d54 fp: 0xffffffe011387f70

lr: 0xfffffff02709297c fp: 0xffffffe011387fa0

lr: 0xfffffff026d1d2c4 fp: 0xffffffe011387fd0

lr: 0xfffffff026e09170 fp: 0xffffffe011387fe0

lr: 0xfffffff026791318 fp: 0xffffffe011387ff0

lr: 0xfffffff0267912ac fp: 0xffffffe016e6bc90

lr: 0xfffffff026d9c514 fp: 0x0000000000000000

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Answer 7

mlopes Author

Level 1

10 points

Nov 28, 2019 5:09 AM in response to Barney-15E

And yet another crash. I'll take it to a repair center while it is within guarantee. Thank you.

panic(cpu 0 caller 0xfffffff024088994): "SEP failed to power-gate after 5s

Mailbox status:

Unavailable

Mailbox entries:

Unavailable"@/BuildRoot/Library/Caches/com.apple.xbs/Sources/AppleSEPManager/AppleSEPManager-553.40.4/AppleSEPManagerARM.cpp:1741

Debugger message: panic

Memory ID: 0xff

OS version: 17P1081

macOS version: 19B88

Kernel version: Darwin Kernel Version 19.0.0: Mon Oct 14 03:38:28 PDT 2019; root:xnu-6153.41.3~14/RELEASE_ARM64_T8010

Kernel UUID: C3345225-B86D-3044-BC9A-E66585D86311

iBoot version: iBoot-5540.40.51

secure boot?: YES

x86 EFI Boot State: 0xd

x86 System State: 0x0

x86 Power State: 0x0

x86 Shutdown Cause: 0x5

x86 Previous Power Transitions: 0x10001000100

PCIeUp link state: not available

Paniclog version: 13

Kernel slide: 0x000000001beac000

Kernel text base: 0xfffffff022eb0000

mach_absolute_time: 0x1462b2d4e2a

Epoch Time: sec usec

Boot : 0x5ddd2f07 0x0003e37d

Sleep : 0x5ddfbb7f 0x000f31e4

Wake : 0x00000000 0x00000000

Calendar: 0x5ddfbb80 0x000bf51d

Panicked task 0xffffffe000888e00: 3337 pages, 210 threads: pid 0: kernel_task

Panicked thread: 0xffffffe0008baa40, backtrace: 0xffffffe010fff9e0, tid: 102

lr: 0xfffffff0237683a0 fp: 0xffffffe010fffa20

lr: 0xfffffff023768200 fp: 0xffffffe010fffa90

lr: 0xfffffff02388270c fp: 0xffffffe010fffb40

lr: 0xfffffff023d7d610 fp: 0xffffffe010fffb50

lr: 0xfffffff023767b78 fp: 0xffffffe010fffec0

lr: 0xfffffff023767ec0 fp: 0xffffffe010ffff10

lr: 0xfffffff0245e68b4 fp: 0xffffffe010ffff30

lr: 0xfffffff024088994 fp: 0xffffffe010ffff70

lr: 0xfffffff02407e998 fp: 0xffffffe010ffffa0

lr: 0xfffffff023d092c4 fp: 0xffffffe010ffffd0

lr: 0xfffffff023df5170 fp: 0xffffffe010ffffe0

lr: 0xfffffff02377d318 fp: 0xffffffe010fffff0

lr: 0xfffffff02377d2ac fp: 0xffffffe000343c90

lr: 0xfffffff023d88514 fp: 0x0000000000000000

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Answer 8

Jan 5, 2020 7:51 AM in response to mlopes

I'm having the same issue, quite frequentl. It's a brand new 16 inch, fully spec'd. This is the latest...

panic(cpu 0 caller 0xfffffff01185ce3c): "SEP failed to power-gate after 5s

Mailbox status:

Unavailable

Mailbox entries:

Unavailable"@/BuildRoot/Library/Caches/com.apple.xbs/Sources/AppleSEPManager/AppleSEPManager-553.40.4/AppleSEPManagerARM.cpp:1741

Debugger message: panic

Memory ID: 0x6

OS version: 17P2551

macOS version: 19C57

Kernel version: Darwin Kernel Version 19.2.0: Wed Nov 6 00:47:16 PST 2019; root:xnu-6153.61.1~6/RELEASE_ARM64_T8010

Kernel UUID: D930C41D-16EF-3DC5-80FF-13B79C000EED

iBoot version: iBoot-5540.60.11

secure boot?: YES

x86 EFI Boot State: 0x16

x86 System State: 0x0

x86 Power State: 0x0

x86 Shutdown Cause: 0x5

x86 Previous Power Transitions: 0x10001000100

PCIeUp link state: not available

Paniclog version: 13

Kernel slide: 0x0000000009684000

Kernel text base: 0xfffffff010688000

mach_absolute_time: 0x107ef303214

Epoch Time: sec usec

Boot : 0x5e0b6076 0x00092378

Sleep : 0x5e0ca5c5 0x000d1870

Wake : 0x00000000 0x00000000

Calendar: 0x5e0ca5c6 0x0009e0cd

Panicked task 0xffffffe000794200: 3432 pages, 216 threads: pid 0: kernel_task

Panicked thread: 0xffffffe0007c64f8, backtrace: 0xffffffe01120f9e0, tid: 102

lr: 0xfffffff010f403a0 fp: 0xffffffe01120fa20

lr: 0xfffffff010f40200 fp: 0xffffffe01120fa90

lr: 0xfffffff01105aebc fp: 0xffffffe01120fb40

lr: 0xfffffff011551610 fp: 0xffffffe01120fb50

lr: 0xfffffff010f3fb78 fp: 0xffffffe01120fec0

lr: 0xfffffff010f3fec0 fp: 0xffffffe01120ff10

lr: 0xfffffff011dbe8b4 fp: 0xffffffe01120ff30

lr: 0xfffffff01185ce3c fp: 0xffffffe01120ff70

lr: 0xfffffff011852e40 fp: 0xffffffe01120ffa0

lr: 0xfffffff0114e01e4 fp: 0xffffffe01120ffd0

lr: 0xfffffff0115c8dc8 fp: 0xffffffe01120ffe0

lr: 0xfffffff010f55350 fp: 0xffffffe01120fff0

lr: 0xfffffff010f552e4 fp: 0xffffffe015c93c90

lr: 0xfffffff01155c514 fp: 0x0000000000000000

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Answer 9

Jan 6, 2020 5:33 PM in response to Barney-15E

Not overly helpful. After spending well over $7k on a fully spec’d laptop, a good 2 full days of installing everything and checking it and backing up the 8TB of disk (of which I’ve used 6TB), the last thing I want to do is waste more time screwing around at an Apple store only to be told the obvious that there appears to be a rather common bug with the hardware and J have to lose it for a few days.

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Answer 10

Jan 6, 2020 5:40 PM in response to mlopes

Hi, I have a number of USB-C to classic USB adapters. I’ll try to see if I notice any more frequent crashes.

It reminds me of the Pegasus Promise 12TB drives Apple sold about 8 years ago. They use to randomly crash and freeze, loads of people seemed to be having issues but no solutions. Finally several of us diagnosed it as our iPhones being too close to the FireWire cables. Problem solved.

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