Hey everyone,
I am at my wit's end with this one. Can't figure out what is actually causing this issue, or even how to reproduce it to see it besides with a photograph our students send in to the Helpdesk.
Some (not all) of our publicly available computers are intermittently getting stuck booting to the prohibitory sign. If you select the startup disk as Macintosh HD, they boot with no problems. I'll receive a kernel panic report error, and then I will be unable to reproduce the issue, no matter what I try on the machine.
These machines are configured through JAMF policies and the Apple School Manager, not imaged. They are secured with Deep Freeze, but I don't see any DF kexts in the kernel panic log. They are running MacOS 10.14.6, and the software deployed to them is all pretty standard stuff. (Office, Firefox, Chrome, Adobe software, SPSS, some chemistry programs and a Horizon virtual app client.)
Hardware wise, we're looking at 1 2019 iMac, and 3 2019 13" MacBook Pros, running the same configuration.
Any ideas would be greatly appreciated. Here's one of the panic reports (they're all identical) if that helps too:
Anonymous UUID: CF364081-9CE0-B1E1-59F9-F45A96B82450
Thu Oct 17 16:46:42 2019
Panic Report
panic(cpu 0 caller 0xffffff800ca7e1ca): "root image authentication failed (err = 2)
"@/BuildRoot/Library/Caches/com.apple.xbs/Sources/xnu/xnu-4903.271.2/bsd/kern/imageboot.c:994
Backtrace (CPU 0), Frame : Return Address
0xffffff80ff053790 : 0xffffff800c5ae6ed
0xffffff80ff0537e0 : 0xffffff800c6ea185
0xffffff80ff053820 : 0xffffff800c6db8ba
0xffffff80ff053890 : 0xffffff800c55bb40
0xffffff80ff0538b0 : 0xffffff800c5ae107
0xffffff80ff0539d0 : 0xffffff800c5adf53
0xffffff80ff053a40 : 0xffffff800ca7e1ca
0xffffff80ff053f80 : 0xffffff800c5d7788
0xffffff80ff053fa0 : 0xffffff800c55b0ce
BSD process name corresponding to current thread: kernel_task
Boot args: -rootdmg-ramdisk auth-root-dmg=file:///macOS%20Install%20Data/Locked%20Files/BaseSystem.dmg
Mac OS version:
Not yet set
Kernel version:
Darwin Kernel Version 18.7.0: Tue Aug 20 16:57:14 PDT 2019; root:xnu-4903.271.2~2/RELEASE_X86_64
Kernel UUID: C41337A1-0EC3-3896-A954-A1F85E849D53
Kernel slide: 0x000000000c200000
Kernel text base: 0xffffff800c400000
__HIB text base: 0xffffff800c300000
System model name: MacBookPro14,1 (Mac-B4831CEBD52A0C4C)
System uptime in nanoseconds: 1499160481
last loaded kext at 1270469908: com.apple.filesystems.apfs 945.275.7 (addr 0xffffff7f8fb17000, size 1130496)
loaded kexts:
com.apple.filesystems.apfs 945.275.7
com.apple.driver.AppleFileSystemDriver 3.0.1
com.apple.filesystems.hfs.kext 407.200.4
com.apple.BootCache 40
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0
com.apple.AppleSystemPolicy 1.0
com.apple.driver.AppleTopCaseHIDEventDriver 138.4
com.apple.driver.AirPort.BrcmNIC 1400.1.1
com.apple.private.KextAudit 1.0
com.apple.driver.AppleSmartBatteryManager 161.0.0
com.apple.driver.AppleACPIButtons 6.1
com.apple.driver.AppleRTC 2.0
com.apple.driver.AppleSMBIOS 2.1
com.apple.driver.AppleACPIEC 6.1
com.apple.driver.AppleAPIC 1.7
com.apple.nke.applicationfirewall 201
com.apple.security.TMSafetyNet 8
com.apple.driver.AppleXsanScheme 3
com.apple.filesystems.hfs.encodings.kext 1
com.apple.driver.AppleActuatorDriver 2450.1
com.apple.driver.AppleHIDKeyboard 208
com.apple.driver.AppleHSBluetoothDriver 138.4
com.apple.driver.IOBluetoothHIDDriver 6.0.14d3
com.apple.driver.AppleMultitouchDriver 2450.1
com.apple.driver.AppleInputDeviceSupport 2440.2
com.apple.driver.AppleHSSPIHIDDriver 55.1
com.apple.driver.AppleThunderboltDPInAdapter 5.6.9
com.apple.driver.AppleThunderboltDPAdapterFamily 5.6.9
com.apple.driver.AppleThunderboltPCIDownAdapter 2.1.5
com.apple.driver.AppleHPM 3.4.1
com.apple.driver.AppleIntelLpssI2CController 3.0.60
com.apple.driver.AppleHSSPISupport 55.1
com.apple.driver.AppleThunderboltNHI 4.7.9
com.apple.iokit.IOThunderboltFamily 6.8.6
com.apple.driver.AppleIntelLpssSpiController 3.0.60
com.apple.driver.AppleIntelLpssDmac 3.0.60
com.apple.iokit.IO80211Family 1200.12.2
com.apple.driver.mDNSOffloadUserClient 1.0.1b8
com.apple.driver.corecapture 1.0.4
com.apple.iokit.IONVMeFamily 2.1.0
com.apple.driver.AppleIntelLpssI2C 3.0.60
com.apple.driver.AppleIntelLpssGspi 3.0.60
com.apple.driver.usb.AppleUSBXHCIPCI 1.2
com.apple.driver.usb.AppleUSBXHCI 1.2
com.apple.driver.usb.AppleUSBHostPacketFilter 1.0
com.apple.iokit.IOUSBFamily 900.4.2
com.apple.driver.AppleEFINVRAM 2.1
com.apple.driver.AppleEFIRuntime 2.1
com.apple.iokit.IOSMBusFamily 1.1
com.apple.iokit.IOHIDFamily 2.0.0
com.apple.security.quarantine 3
com.apple.security.sandbox 300.0
com.apple.kext.AppleMatch 1.0.0d1
com.apple.driver.AppleKeyStore 2
com.apple.driver.AppleUSBTDM 456.260.3
com.apple.driver.AppleMobileFileIntegrity 1.0.5
com.apple.iokit.IOUSBMassStorageDriver 145.200.2
com.apple.iokit.IOSCSIBlockCommandsDevice 408.250.3
com.apple.iokit.IOSCSIArchitectureModelFamily 408.250.3
com.apple.kext.CoreTrust 1
com.apple.driver.AppleCredentialManager 1.0
com.apple.driver.KernelRelayHost 1
com.apple.driver.AppleSEPManager 1.0.1
com.apple.driver.IOSlaveProcessor 1
com.apple.driver.AppleFDEKeyStore 28.30
com.apple.driver.AppleEffaceableStorage 1.0
com.apple.iokit.IOTimeSyncFamily 740.2
com.apple.iokit.IONetworkingFamily 3.4
com.apple.driver.DiskImages 493.0.0
com.apple.iokit.IOStorageFamily 2.1
com.apple.iokit.IOBluetoothFamily 6.0.14d3
com.apple.iokit.IOUSBHostFamily 1.2
com.apple.driver.usb.AppleUSBCommon 1.0
com.apple.driver.AppleBusPowerController 1.0
com.apple.iokit.IOReportFamily 47
com.apple.driver.AppleACPIPlatform 6.1
com.apple.driver.AppleSMC 3.1.9
com.apple.iokit.IOPCIFamily 2.9
com.apple.iokit.IOACPIFamily 1.4
com.apple.kec.Libm 1
com.apple.kec.pthread 1
com.apple.kec.corecrypto 1.0
EOF
Model: MacBookPro14,1, BootROM 198.0.0.0.0, 2 processors, Intel Core i5, 2.3 GHz, 8 GB, SMC 2.43f6
Graphics: kHW_IntelIrisGraphics640Item, Intel Iris Plus Graphics 640, spdisplays_builtin
Memory Module: BANK 0/DIMM0, 4 GB, LPDDR3, 2133 MHz, 0x802C, 0x4D5435324C3531324D3332443250462D3039
Memory Module: BANK 1/DIMM0, 4 GB, LPDDR3, 2133 MHz, 0x802C, 0x4D5435324C3531324D3332443250462D3039
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x170), Broadcom BCM43xx 1.0 (7.77.61.2 AirPortDriverBrcmNIC-1305.8)
Bluetooth: Version 6.0.14d3, 3 services, 27 devices, 1 incoming serial ports
Network Service: Wi-Fi, AirPort, en0
USB Device: USB 3.0 Bus
Thunderbolt Bus: MacBook Pro, Apple Inc., 41.1
