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Dell Latitude E6420 10.11.4 Only Boots with cpus=1

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Dell Latitude E6420
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Intel i5 2520M/QM67
Graphics
HD3000, 1366x768
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I have a new clean installation of El Capitan 10.11.4. I have everything working except that it will only boot if I use the cpus=1 boot argument. I get the attached kernel panic if I let it use more than one CPU. I previously had 10.11.3 working fine without that option and Yosemite works fine as well. So I'm not sure what changed between the two El Capitan releases.
 

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I have a new clean installation of El Capitan 10.11.4. I have everything working except that it will only boot if I use the cpus=1 boot argument. I get the attached kernel panic if I let it use more than one CPU. I previously had 10.11.3 working fine without that option and Yosemite works fine as well. So I'm not sure what changed between the two El Capitan releases.

Post EFI/Clover folder as ZIP (omit 'themes' folder).

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Mobo: manufacturer/model + bootloader(Clover/Chameleon/Chimera)
CPU: detailed CPU model + motherboard chipset
Graphics: all graphics devices + laptop internal screen resolution

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Mobo: HP ProBook 4540s (Clover)
CPU: i5-3320m/HM76
Graphics: HD4000, 1366x768

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I am getting the same Kernel Panic.. Not listing any kexts in the backtrace either. I updated to 10.11.4 on a Dell Latitude e7440.
i5 Haswell 4gig Ram (slotA)
120gig LITEON SSD in mSATA slot (was in mSATA Cradle in SATA bay but transposed it after this issue occurred so i could plug in a SATA drive and do a Time Machine backup)

Sound is touchy sometimes works sometimes doesn't same with WIFI.
Can boot with CPUS=1 sometimes not.
under normal boot i get a KP about 3 out of 5 boots. sometimes it will boot normally really strange..
I have updated clover from 3320 to 3368 did not solve issue..

also KP's after waking from sleep when on Battery. (never allow it to sleep when on AC as i run BOINC (SETI@Home) on the system.

Below is a Crash log (i received when it booted normally after a crash (no CPUS=1 option))

Wed Mar 30 12:36:49 2016

*** Panic Report ***
panic(cpu 3 caller 0xffffff80201ceeca): "Double fault at 0xffffff80201acd8f, registers:\n" "CR0: 0x000000008001003b, CR2: 0xffffff80bd2c3a18, CR3: 0x000000002839a000, CR4: 0x00000000001627e0\n" "RAX: 0x00000000001627e0, RBX: 0xffffff80208ee6d0, RCX: 0x0000000000162760, RDX: 0xffffff802082cee0\n" "RSP: 0xffffff80bd2c3a20, RBP: 0xffffff80bd2c3ab0, RSI: 0x000000002839a000, RDI: 0x0000000000000001\n" "R8: 0x0000000000000000, R9: 0x0000000000000000, R10: 0xbfffffffffffff01, R11: 0x0000000000000001\n" "R12: 0x0000000000000001, R13: 0x0000000000000010, R14: 0x0000000000000001, R15: 0x0000000000000004\n" "RFL: 0x0000000000010202, RIP: 0xffffff80201acd8f, CS: 0x0000000000000008, SS: 0x0000000000000000\n" "Error code: 0x0000000000000000\n"@/Library/Caches/com.apple.xbs/Sources/xnu/xnu-3248.40.184/osfmk/i386/trap_native.c:168
Backtrace (CPU 3), Frame : Return Address
0xffffff80b7a5de90 : 0xffffff80200dab12
0xffffff80b7a5df10 : 0xffffff80201ceeca
0xffffff80b7a5e070 : 0xffffff80201ecb2f
No mapping exists for frame pointer
Backtrace terminated-invalid frame pointer 0xffffff80bd2c3ab0

BSD process name corresponding to current thread: kernel_task
Boot args: dart=0 kext-dev-mode=1

Mac OS version:
15E65

Kernel version:
Darwin Kernel Version 15.4.0: Fri Feb 26 22:08:05 PST 2016; root:xnu-3248.40.184~3/RELEASE_X86_64
Kernel UUID: 4E7B4496-0B81-34E9-97AF-F316103B0839
Kernel slide: 0x000000001fe00000
Kernel text base: 0xffffff8020000000
__HIB text base: 0xffffff801ff00000
System model name: MacBookAir6,2 (Mac-7DF21CB3ED6977E5)

System uptime in nanoseconds: 5315520207
last loaded kext at 3211438929: com.apple.driver.CoreStorageFsck 517.20.1 (addr 0xffffff7fa1bab000, size 106496)
loaded kexts:
org.rehabman.voodoo.driver.PS2Mouse 1.8.9
org.rehabman.voodoo.driver.PS2Trackpad 1.8.9
org.rehabman.voodoo.driver.PS2Keyboard 1.8.9
com.insanelymac.IntelMausiEthernet 2.0.0d2
org.rehabman.driver.FakePCIID 1.2.0
org.hwsensors.driver.ACPISensors 1394
org.rehabman.voodoo.driver.PS2Controller 1.8.9
org.hwsensors.driver.CPUSensors 1394
org.rehabman.driver.AppleSmartBatteryManager 1.60
org.netkas.driver.FakeSMC 1394
com.apple.driver.CoreStorageFsck 517.20.1
com.apple.iokit.IOAHCIBlockStorage 2.8.5
com.apple.driver.AppleFileSystemDriver 3.0.1
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0
com.apple.BootCache 38
com.apple.driver.AirPort.Atheros40 700.74.5
com.apple.driver.AppleSDXC 1.7.0
com.apple.driver.usb.AppleUSBEHCIPCI 1.0.1
com.apple.driver.AppleAHCIPort 3.1.8
com.apple.driver.AppleRTC 2.0
com.apple.driver.AppleACPIButtons 4.0
com.apple.driver.AppleACPIEC 4.0
com.apple.driver.AppleHPET 1.8
com.apple.driver.AppleSMBIOS 2.1
com.apple.driver.AppleAPIC 1.7
com.apple.nke.applicationfirewall 163
com.apple.security.quarantine 3
com.apple.security.TMSafetyNet 8
com.apple.driver.CoreStorage 517.20.1
com.apple.driver.AppleXsanScheme 3
com.apple.driver.usb.cdc 5.0.0
com.apple.driver.usb.networking 5.0.0
com.apple.driver.usb.AppleUSBHostCompositeDevice 1.0.1
com.apple.driver.usb.AppleUSBHub 1.0.1
com.apple.iokit.IO80211Family 1110.26
com.apple.driver.corecapture 1.0.4
com.apple.iokit.IOUSBFamily 900.4.1
com.apple.driver.usb.AppleUSBEHCI 1.0.1
com.apple.driver.AppleEFINVRAM 2.0
com.apple.iokit.IONetworkingFamily 3.2
com.apple.iokit.IOAHCIFamily 2.8.1
com.apple.driver.AppleIntelLpssGspi 2.0.60
com.apple.driver.AppleEFIRuntime 2.0
com.apple.driver.usb.AppleUSBXHCIPCI 1.0.1
com.apple.driver.usb.AppleUSBXHCI 1.0.1
com.apple.iokit.IOUSBHostFamily 1.0.1
com.apple.driver.AppleUSBHostMergeProperties 1.0.1
com.apple.iokit.IOHIDFamily 2.0.0
com.apple.iokit.IOSMBusFamily 1.1
com.apple.security.sandbox 300.0
com.apple.kext.AppleMatch 1.0.0d1
com.apple.driver.AppleKeyStore 2
com.apple.driver.AppleMobileFileIntegrity 1.0.5
com.apple.driver.AppleCredentialManager 1.0
com.apple.driver.DiskImages 417.2
com.apple.iokit.IOStorageFamily 2.1
com.apple.iokit.IOReportFamily 31
com.apple.driver.AppleFDEKeyStore 28.30
com.apple.driver.AppleACPIPlatform 4.0
com.apple.iokit.IOPCIFamily 2.9
com.apple.iokit.IOACPIFamily 1.4
com.apple.kec.pthread 1
com.apple.kec.Libm 1
com.apple.kec.corecrypto 1.0
Model: MacBookAir6,2, BootROM MBA61.0099.B04, 2 processors, Intel Core i5, 2.49 GHz, 4 GB, SMC 2.13f9
Graphics: Intel HD Graphics 4400, Intel HD Graphics 4400, Built-In
Memory Module: BANK0/DIMM0, 4 GB, DDR3, 1600 MHz, Hynix Semiconductor, HMT351S6EFR8A-PBN0
AirPort: spairport_wireless_card_type_airport_extreme (0x168C, 0xE007), Atheros 9280: 4.0.74.0-P2P
PCI Card: O2 Micro SD Card Reader, Built-in
Serial ATA Device: LITEONIT LMT-128M6M mSATA 128GB, 128.04 GB
USB Device: USB 2.0 Bus
USB Device: Hub
USB Device: USB 3.0 Bus
USB Device: Laptop_Integrated_Webcam_HD
Thunderbolt Bus:
 
here is my efi/clover directory
 

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  • CLOVER.zip
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here is my efi/clover directory

Your EFI/Clover/kexts/Other is wrong. All kexts should be installed to /S/L/E. Kexts/Other should only have kexts you need to boot the installer and recovery partitions (FakeSMC, VoodooPS2Controller, IntelMauseEthernet).

AppleHDA injectors only work when installed to /S/L/E (or /L/E).

Also, try using OsxAptioFixDrv-64.efi not OsxAptioFixDrv2-64.efi.

No need for both CodecCommander and EAPDFix. They do the same thing. CodecCommander is open source, EAPDFix is not.

If you need further analysis (after fixing the above)...

Attach ioreg as ZIP: http://www.tonymacx86.com/audio/58368-guide-how-make-copy-ioreg.html. Please, use the IORegistryExplorer v2.1 attached to the post! DO NOT reply with an ioreg from any other version of IORegistryExplorer.app.

Provide output (in Terminal):
Code:
kextstat|grep -y acpiplat
kextstat|grep -y appleintelcpu
kextstat|grep -y applelpc
kextstat|grep -y applehda

Attach EFI/Clover folder as ZIP (press F4 at main Clover screen before collecting). Please eliminate 'themes' directory. Provide only EFI/Clover, not the entire EFI folder.

Attach output of (in Terminal):
Code:
sudo touch /System/Library/Extensions && sudo kextcache -u /

Compress all files as ZIP. Do not use external links. Attach all files using site attachments only.
 
Ok, here is my Clover folder.
 

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Ok, here is my Clover folder.

Try setting config.plist/KernelAndKextPatches/KernelLapic=true

config.plist/KernelAndKextPatches/KernelCpu=true is wrong for your hardware. Change to false.
 
Try setting config.plist/KernelAndKextPatches/KernelLapic=true

config.plist/KernelAndKextPatches/KernelCpu=true is wrong for your hardware. Change to false.

I'd set KernelCpu=true in my testing. Forgot to set it back false. Setting KernelLapic=true didn't change anything. Still getting the same KP.
 
I'd set KernelCpu=true in my testing. Forgot to set it back false. Setting KernelLapic=true didn't change anything. Still getting the same KP.

Do a fresh install.
 
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