I spoke too soon. I was able to install Yosemite once I switched back to the original Apple memory, but I get constant kernel panics when I reinstall my memory from Crucial. It boots up fine, then crashes within 3-5 minutes with this error:
*** Panic Report ***
panic(cpu 1 caller 0xffffff8014379458): "a freed zone element has been modified in zone ipc ports: expected 0xdeadbeefdeadbeef but found 0xdeacbeefdeadbeef, bits changed 0x1000000000000, at offset 64 of 160 in element 0xffffff80593a5c20, cookies 0x3f001121d6c6c61a 0x53521c52fceee3d"@/SourceCache/xnu/xnu-2782.1.97/osfmk/kern/zalloc.c:496
Backtrace (CPU 1), Frame : Return Address
0xffffff83bb523c30 : 0xffffff801433a811
0xffffff83bb523cb0 : 0xffffff8014379458
0xffffff83bb523de0 : 0xffffff801432b0b3
0xffffff83bb523e10 : 0xffffff801432fd2b
0xffffff83bb523e50 : 0xffffff8014321015
0xffffff83bb523f20 : 0xffffff80143337ff
0xffffff83bb523f90 : 0xffffff8014327483
0xffffff83bb523fb0 : 0xffffff80144192c7
BSD process name corresponding to current thread: Safari
Mac OS version:
14A389
Kernel version:
Darwin Kernel Version 14.0.0: Fri Sep 19 00:26:44 PDT 2014; root:xnu-2782.1.97~2/RELEASE_X86_64
Kernel UUID: 89E10306-BC78-3A3B-955C-7C4922577E61
Kernel slide: 0x0000000014000000
Kernel text base: 0xffffff8014200000
__HIB text base: 0xffffff8014100000
System model name: iMac14,2 (Mac-27ADBB7B4CEE8E61)
System uptime in nanoseconds: 238163727174
last loaded kext at 37539233414: com.apple.driver.AppleHWSensor 1.9.5d0 (addr 0xffffff7f96a71000, size 36864)
last unloaded kext at 168473065240: com.apple.driver.AppleFileSystemDriver 3.0.1 (addr 0xffffff7f96d62000, size 8192)
loaded kexts:
com.apple.driver.AppleHWSensor 1.9.5d0
com.apple.driver.AudioAUUC 1.70
com.apple.driver.AppleBluetoothMultitouch 85.3
com.apple.driver.ApplePlatformEnabler 2.1.0d1
com.apple.driver.AGPM 100.14.37
com.apple.driver.X86PlatformShim 1.0.0
com.apple.iokit.IOBluetoothSerialManager 4.3.0f10
com.apple.filesystems.autofs 3.0
com.apple.driver.AppleMikeyHIDDriver 124
com.apple.driver.AppleOSXWatchdog 1
com.apple.driver.AppleHDA 266.5
com.apple.driver.AppleMikeyDriver 266.5
com.apple.driver.AppleThunderboltIP 2.0.2
com.apple.driver.AppleBacklight 170.4.12
com.apple.driver.AppleUpstreamUserClient 3.6.1
com.apple.driver.AppleMCCSControl 1.2.10
com.apple.GeForce 10.0.0
com.apple.driver.AppleSMCLMU 2.0.4d1
com.apple.driver.AppleLPC 1.7.3
com.apple.driver.AppleIntelHD5000Graphics 10.0.0
com.apple.driver.AppleIntelFramebufferAzul 10.0.0
com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport 4.3.0f10
com.apple.iokit.IOUserEthernet 1.0.1
com.apple.Dont_Steal_Mac_OS_X 7.0.0
com.apple.driver.AppleHWAccess 1
com.apple.driver.AppleHV 1
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1
com.apple.BootCache 35
com.apple.driver.AppleUSBHub 705.4.1
com.apple.driver.XsanFilter 404
com.apple.iokit.IOAHCIBlockStorage 2.6.5
com.apple.driver.AppleSDXC 1.6.5
com.apple.iokit.AppleBCM5701Ethernet 10.1.2b3
com.apple.driver.AirPort.Brcm4360 900.19.8
com.apple.driver.AppleAHCIPort 3.0.7
com.apple.driver.AppleUSBXHCI 705.4.14
com.apple.driver.AppleACPIButtons 3.1
com.apple.driver.AppleRTC 2.0
com.apple.driver.AppleHPET 1.8
com.apple.driver.AppleSMBIOS 2.1
com.apple.driver.AppleACPIEC 3.1
com.apple.driver.AppleAPIC 1.7
com.apple.nke.applicationfirewall 161
com.apple.security.quarantine 3
com.apple.security.TMSafetyNet 8
com.apple.driver.AppleBluetoothHIDKeyboard 175.5
com.apple.driver.AppleHIDKeyboard 175.5
com.apple.driver.IOBluetoothHIDDriver 4.3.0f10
com.apple.driver.AppleMultitouchDriver 260.30
com.apple.iokit.IOSerialFamily 11
com.apple.kext.triggers 1.0
com.apple.driver.DspFuncLib 266.5
com.apple.kext.OSvKernDSPLib 1.15
com.apple.iokit.IOAudioFamily 200.6
com.apple.vecLib.kext 1.2.0
com.apple.driver.AppleThunderboltEDMSink 4.0.2
com.apple.driver.AppleBacklightExpert 1.1.0
com.apple.nvidia.driver.NVDAGK100Hal 10.0.0
com.apple.nvidia.driver.NVDAResman 10.0.0
com.apple.iokit.IOUSBUserClient 705.4.0
com.apple.driver.X86PlatformPlugin 1.0.0
com.apple.driver.IOPlatformPluginFamily 5.8.0d49
com.apple.AppleGraphicsDeviceControl 3.7.21
com.apple.iokit.IOAcceleratorFamily2 156.4
com.apple.iokit.IOBluetoothHostControllerUSBTransport 4.3.0f10
com.apple.iokit.IOSurface 97
com.apple.iokit.IOBluetoothFamily 4.3.0f10
com.apple.driver.AppleSMC 3.1.9
com.apple.driver.AppleSMBusController 1.0.13d1
com.apple.driver.AppleHDAController 266.5
com.apple.iokit.IOHDAFamily 266.5
com.apple.driver.AppleSMBusPCI 1.0.12d1
com.apple.iokit.IONDRVSupport 2.4.1
com.apple.iokit.IOGraphicsFamily 2.4.1
com.apple.iokit.IOSCSIArchitectureModelFamily 3.7.0
com.apple.driver.AppleUSBMergeNub 705.4.0
com.apple.driver.AppleUSBComposite 705.4.9
com.apple.driver.AppleThunderboltDPInAdapter 4.0.6
com.apple.driver.AppleThunderboltDPOutAdapter 4.0.6
com.apple.driver.AppleThunderboltDPAdapterFamily 4.0.6
com.apple.driver.AppleThunderboltPCIDownAdapter 2.0.2
com.apple.driver.AppleThunderboltNHI 3.1.7
com.apple.iokit.IOThunderboltFamily 4.2.1
com.apple.iokit.IOEthernetAVBController 1.0.3b3
com.apple.iokit.IO80211Family 700.52
com.apple.driver.mDNSOffloadUserClient 1.0.1b8
com.apple.iokit.IONetworkingFamily 3.2
com.apple.iokit.IOAHCIFamily 2.7.0
com.apple.iokit.IOUSBFamily 705.4.14
com.apple.driver.AppleEFINVRAM 2.0
com.apple.driver.AppleEFIRuntime 2.0
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 389.1
com.apple.iokit.IOStorageFamily 2.0
com.apple.iokit.IOReportFamily 31
com.apple.driver.AppleFDEKeyStore 28.30
com.apple.driver.AppleACPIPlatform 3.1
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