Thank You for your assistance.
Interestingly, I see hundreds of these every few seconds:
2/23/15 8:51:58.811 PM com.apple.xpc.launchd[1]: (com.apple.coreduetd) Service only ran for 3 seconds. Pushing respawn out by 7 seconds.
2/23/15 8:51:58.818 PM ReportCrash[7214]: Saved crash report for coreduetd[7216] version 154.1.14 to /Library/Logs/DiagnosticReports/coreduetd_2015-02-23-205158_-iMac.crash
Here's the top of this report:
Process: coreduetd [7253]
Path: /usr/libexec/coreduetd
Identifier: coreduetd
Version: 154.1.14
Code Type: X86-64 (Native)
Parent Process: launchd [1]
Responsible: coreduetd [7253]
User ID: 0
Date/Time: 2015-02-23 20:55:18.679 -0500
OS Version: Mac OS X 10.10.2 (14C109)
Report Version: 11
Time Awake Since Boot: 45000 seconds
Time Since Wake: 1200 seconds
Crashed Thread: 0 Dispatch queue: NSManagedObjectContext 0x7f9a63e3ea70
Exception Type: EXC_BAD_INSTRUCTION (SIGILL)
Exception Codes: 0x0000000000000001, 0x0000000000000000
Thread 0 Crashed:: Dispatch queue: NSManagedObjectContext 0x7f9a63e3ea70
0 com.apple.CoreData 0x00007fff87850a2f -[NSManagedObjectContext _thereIsNoSadnessLikeTheDeathOfOptimism] + 31
1 com.apple.CoreData 0x00007fff87805a03 -[NSManagedObjectContext save:] + 979
2 coreduetd 0x000000010e6618a8 0x10e642000 + 129192
3 com.apple.CoreData 0x00007fff87821246 developerSubmittedBlockToNSManagedObjectContextPerform + 182
4 libdispatch.dylib 0x00007fff8a127c13 _dispatch_client_callout + 8
5 libdispatch.dylib 0x00007fff8a128e5e _dispatch_barrier_sync_f_invoke + 57
6 com.apple.CoreData 0x00007fff87821126 -[NSManagedObjectContext performBlockAndWait:] + 214
7 coreduetd 0x000000010e66142e 0x10e642000 + 128046
8 coreduetd 0x000000010e662559 0x10e642000 + 132441
9 coreduetd 0x000000010e66272f 0x10e642000 + 132911
10 coreduetd 0x000000010e675d56 0x10e642000 + 212310
11 libdispatch.dylib 0x00007fff8a127c13 _dispatch_client_callout + 8
12 libdispatch.dylib 0x00007fff8a128e5e _dispatch_barrier_sync_f_invoke + 57
13 coreduetd 0x000000010e675826 0x10e642000 + 210982
14 coreduetd 0x000000010e665d72 0x10e642000 + 146802
15 libdyld.dylib 0x00007fff8a33f5c9 start + 1
Thread 1:: Dispatch queue: com.apple.libdispatch-manager
0 libsystem_kernel.dylib 0x00007fff864d9232 kevent64 + 10
1 libdispatch.dylib 0x00007fff8a12aa6a _dispatch_mgr_thread + 52
Thread 2:
0 libsystem_kernel.dylib 0x00007fff864d894a __workq_kernreturn + 10
1 libsystem_pthread.dylib 0x00007fff88b5b40d start_wqthread + 13
Thread 3:
0 libsystem_kernel.dylib 0x00007fff864d894a __workq_kernreturn + 10
1 libsystem_pthread.dylib 0x00007fff88b5b40d start_wqthread + 13
Thread 4:
0 libsystem_kernel.dylib 0x00007fff864d894a __workq_kernreturn + 10
1 libsystem_pthread.dylib 0x00007fff88b5b40d start_wqthread + 13
Thread 0 crashed with X86 Thread State (64-bit):
rax: 0x1d007950cb45e5d1 rbx: 0x00007f9a63da1b10 rcx: 0x00007f9a6496e108 rdx: 0x0000000000000000
rdi: 0x00007f9a6496e108 rsi: 0x0000000000000000 rbp: 0x00007fff515bc580 rsp: 0x00007fff515bc580
r8: 0x000000000000000e r9: 0x00007f9a63d00000 r10: 0x000000001e2a53d4 r11: 0x00007f9a63d00000
r12: 0x0000000000000000 r13: 0x00007f9a63e3ea70 r14: 0x00007f9a63da1b10 r15: 0x00007f9a63e7c8b0
rip: 0x00007fff87850a2f rfl: 0x0000000000010202 cr2: 0x0000000110c7c000
Logical CPU: 1
Error Code: 0x00000000
Trap Number: 6
I also tried to bring up Finder and then terminated it once it hung and it generated the following:
2/23/15 8:46:41.636 PM com.apple.xpc.launchd[1]: (com.apple.Finder[1543]) Service exited due to signal: Terminated: 15
2/23/15 8:47:12.504 PM spindump[913]: Saved hang report for Finder version 10.10.2 (10.10.2) to /Library/Logs/DiagnosticReports/Finder_2015-02-23-204712_-iMac.hang
The Diagnostic report contained this (just top of the report again):
Date/Time: 2015-02-23 20:46:39 -0500
OS Version: 10.10.2 (Build 14C109)
Architecture: x86_64
Report Version: 21
Command: Finder
Path: /System/Library/CoreServices/Finder.app/Contents/MacOS/Finder
Version: 10.10.2 (10.10.2)
Build Version: 1
Project Name: Finder_FE
Source Version: 932002021000000
Parent: launchd [1]
PID: 1543
Event: hang
Duration: 2.10s (process was unresponsive for 39052 seconds before sampling)
Steps: 22 (100ms sampling interval)
Hardware model: iMac12,2
Active cpus: 4
Fan speed: 997 rpm
--------------------------------------------------
Timeline format: stacks are sorted chronologically
Use -i and -heavy to re-report with count sorting
--------------------------------------------------
Heaviest stack for the main thread of the target process:
22 start + 1 (libdyld.dylib + 13769) [0x7fff8a33f5c9]
22 ??? (Finder + 25378) [0x109292322]
22 NSApplicationMain + 314 (AppKit + 9254) [0x7fff90720426]
22 +[NSApplication sharedApplication] + 138 (AppKit + 14559) [0x7fff907218df]
22 -[NSApplication init] + 2611 (AppKit + 17638) [0x7fff907224e6]
22 -[NSApplication(NSUbiquity) _startPrefetchingUbiquityContainerURL] + 67 (AppKit + 24008) [0x7fff90723dc8]
22 -[NSApplication(NSUbiquity) _asynchronouslyPrefetchUbiqityContainerURL] + 51 (AppKit + 24122) [0x7fff90723e3a]
22 -[NSFileManager ubiquityIdentityToken] + 48 (Foundation + 60613) [0x7fff84490cc5]
22 LBCopyUbiquityAccountToken + 51 (CloudDocs + 113638) [0x7fff8a26fbe6]
22 +[BRAccount currentCachedLoggedInAccountWithError:] + 39 (CloudDocs + 13626) [0x7fff8a25753a]
22 +[BRAccount _refreshCurrentLoggedInAccountForcingRefresh:error:] + 287 (CloudDocs + 13206) [0x7fff8a257396]
22 -[BRXPCSyncProxy resultWithTimeout:] + 57 (CloudDocs + 96762) [0x7fff8a26b9fa]
22 semaphore_wait_trap + 10 (libsystem_kernel.dylib + 70938) [0x7fff864d351a]
*22 semaphore_wait_continue + 0 (kernel + 1373536) [0xffffff800034f560]
Process: Finder [1543]
Path: /System/Library/CoreServices/Finder.app/Contents/MacOS/Finder
Architecture: x86_64
Parent: launchd [1]
UID: 501
Task size: 4760 pages
Note: Unresponsive for 39052 seconds before sampling
Thread 0x4a2f7 DispatchQueue 1 22 samples (1-22) priority 46
<thread QoS user interactive, boosted, IO policy important>
22 start + 1 (libdyld.dylib + 13769) [0x7fff8a33f5c9] 1-22
22 ??? (Finder + 25378) [0x109292322] 1-22
22 NSApplicationMain + 314 (AppKit + 9254) [0x7fff90720426] 1-22
22 +[NSApplication sharedApplication] + 138 (AppKit + 14559) [0x7fff907218df] 1-22
22 -[NSApplication init] + 2611 (AppKit + 17638) [0x7fff907224e6] 1-22
22 -[NSApplication(NSUbiquity) _startPrefetchingUbiquityContainerURL] + 67 (AppKit + 24008) [0x7fff90723dc8] 1-22
22 -[NSApplication(NSUbiquity) _asynchronouslyPrefetchUbiqityContainerURL] + 51 (AppKit + 24122) [0x7fff90723e3a] 1-22
22 -[NSFileManager ubiquityIdentityToken] + 48 (Foundation + 60613) [0x7fff84490cc5] 1-22
22 LBCopyUbiquityAccountToken + 51 (CloudDocs + 113638) [0x7fff8a26fbe6] 1-22
22 +[BRAccount currentCachedLoggedInAccountWithError:] + 39 (CloudDocs + 13626) [0x7fff8a25753a] 1-22
22 +[BRAccount _refreshCurrentLoggedInAccountForcingRefresh:error:] + 287 (CloudDocs + 13206) [0x7fff8a257396] 1-22
22 -[BRXPCSyncProxy resultWithTimeout:] + 57 (CloudDocs + 96762) [0x7fff8a26b9fa] 1-22
22 semaphore_wait_trap + 10 (libsystem_kernel.dylib + 70938) [0x7fff864d351a] 1-22
*22 semaphore_wait_continue + 0 (kernel + 1373536) [0xffffff800034f560] 1-22
Thread 0x4a2fd DispatchQueue 2 22 samples (1-22) priority 46
<thread QoS user interactive, boosted, IO policy important>
22 _dispatch_mgr_thread + 52 (libdispatch.dylib + 19050) [0x7fff8a12aa6a] 1-22
22 kevent64 + 10 (libsystem_kernel.dylib + 94770) [0x7fff864d9232] 1-22
*22 ??? (kernel + 5988368) [0xffffff80007b6010] 1-22
Binary Images:
0x10928c000 - 0x10977dfff com.apple.finder 10.10.2 (10.10.2) <449FAA77-B449-3D02-88D1-3E4427CBB664> /System/Library/CoreServices/Finder.app/Contents/MacOS/Finder
0x7fff84482000 - 0x7fff847b0fff com.apple.Foundation 6.9 (1152.14) <E3746EDD-DFB1-3ECB-88ED-A91AC0EF3AAA> /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation
0x7fff864c2000 - 0x7fff864dffff libsystem_kernel.dylib (2782.10.72) <97CD7ACD-EA0C-3434-BEFC-FCD013D6BB73> /usr/lib/system/libsystem_kernel.dylib
0x7fff8a126000 - 0x7fff8a150fff libdispatch.dylib (442.1.4) <502CF32B-669B-3709-8862-08188225E4F0> /usr/lib/system/libdispatch.dylib
0x7fff8a254000 - 0x7fff8a294fff com.apple.CloudDocs 1.0 (280.6) <C1179CEF-E058-3E16-BF90-C059FE7CDE77> /System/Library/PrivateFrameworks/CloudDocs.framework/Versions/A/CloudDocs
0x7fff8a33c000 - 0x7fff8a33ffff libdyld.dylib (353.2.1) <4E33E416-F1D8-3598-B8CC-6863E2ECD0E6> /usr/lib/system/libdyld.dylib
0x7fff9071e000 - 0x7fff91268fff com.apple.AppKit 6.9 (1344.72) <44EF7DEB-3072-3515-9F34-2857D557E828> /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit
*0xffffff8000200000 - 0xffffff80009fffff kernel (2782.10.72) <DCF5C2D5-16AE-37F5-B2BE-ED127048DFF5> /System/Library/Kernels/kernel