How do I get TimeMachine to avoid failing?

I have tried now with two different external hard drives to get Time Machine to work. I usually can get it to create one back-up and then possibly a handful of follow up back ups and then I start getting messages that Time Machine failed to perform a back up. What should I do to trouble shoot this problem?

Thank you for responding. Here is the most recent log:
7/8/13 5:39:12.420 AM com.apple.backupd[567]: Starting manual backup
7/8/13 5:39:12.423 AM com.apple.backupd[567]: Backing up to: /Volumes/Cavalry/Backups.backupdb
7/8/13 5:39:12.468 AM com.apple.backupd[567]: Error: (22) setxattr for key:com.apple.backupd.HostUUID path:/Volumes/Cavalry/Backups.backupdb/Renee’s iMac size:37
7/8/13 5:39:12.469 AM com.apple.backupd[567]: Error: (22) setxattr for key:com.apple.backupd.HostUUID path:/Volumes/Cavalry/Backups.backupdb/Renee’s iMac size:37
7/8/13 5:39:17.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:39:22.480 AM com.apple.backupd[567]: Backup failed with error: 2
7/8/13 5:39:34.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:40:01.858 AM System Preferences[779]: Cannot setMachineString without first being authenticated
7/8/13 5:40:01.904 AM System Preferences[779]: *** WARNING: -[NSImage compositeToPoint:operation:] is deprecated in MacOSX 10.8 and later. Please use -[NSImage drawAtPoint:fromRect:operation:fraction:] instead.
7/8/13 5:40:01.928 AM System Preferences[779]: *** WARNING: -[NSImage compositeToPoint:fromRect:operation:] is deprecated in MacOSX 10.8 and later. Please use -[NSImage drawAtPoint:fromRect:operation:fraction:] instead.
7/8/13 5:40:01.930 AM System Preferences[779]: *** WARNING: -[NSImage compositeToPoint:operation:fraction:] is deprecated in MacOSX 10.8 and later. Please use -[NSImage drawAtPoint:fromRect:operation:fraction:] instead.
7/8/13 5:40:01.932 AM System Preferences[779]: *** WARNING: -[NSImage compositeToPoint:fromRect:operation:fraction:] is deprecated in MacOSX 10.8 and later. Please use -[NSImage drawAtPoint:fromRect:operation:fraction:] instead.
7/8/13 5:40:03.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:40:07.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:40:36.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:40:39.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:40:56.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:41:12.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:41:16.000 AM kernel[0]: FireWire (OHCI) Lucent ID 5901 built-in: 66 bus resets in last 3 minutes.
7/8/13 5:41:29.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:43:34.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:40:01.858 AM System Preferences[779]: Cannot setMachineString without first being authenticated
7/8/13 5:40:01.904 AM System Preferences[779]: *** WARNING: -[NSImage compositeToPoint:operation:] is deprecated in MacOSX 10.8 and later. Please use -[NSImage drawAtPoint:fromRect:operation:fraction:] instead.
7/8/13 5:40:01.928 AM System Preferences[779]: *** WARNING: -[NSImage compositeToPoint:fromRect:operation:] is deprecated in MacOSX 10.8 and later. Please use -[NSImage drawAtPoint:fromRect:operation:fraction:] instead.
7/8/13 5:40:01.930 AM System Preferences[779]: *** WARNING: -[NSImage compositeToPoint:operation:fraction:] is deprecated in MacOSX 10.8 and later. Please use -[NSImage drawAtPoint:fromRect:operation:fraction:] instead.
7/8/13 5:40:01.932 AM System Preferences[779]: *** WARNING: -[NSImage compositeToPoint:fromRect:operation:fraction:] is deprecated in MacOSX 10.8 and later. Please use -[NSImage drawAtPoint:fromRect:operation:fraction:] instead.
7/8/13 5:40:03.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:40:07.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:40:36.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:40:39.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:40:56.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:41:12.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:41:16.000 AM kernel[0]: FireWire (OHCI) Lucent ID 5901 built-in: 66 bus resets in last 3 minutes.
7/8/13 5:41:29.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:41:45.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:43:34.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:43:37.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:43:40.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:43:44.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:43:47.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:43:37.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:43:40.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:43:44.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:43:47.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:43:50.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:43:54.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:43:57.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:44:13.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:44:30.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:44:46.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:45:03.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:45:19.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:45:36.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:45:52.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:46:09.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:46:25.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:46:41.000 AM kernel[0]: disk1s3: I/O error.
7/8/13 5:50:07.144 AM WindowServer[77]: Created shield window 0x150 for display 0x04280300
7/8/13 5:50:07.147 AM WindowServer[77]: device_generate_desktop_screenshot: authw 0x0(0), shield 0x0(0)
7/8/13 5:50:07.153 AM WindowServer[77]: device_generate_lock_screen_screenshot: authw 0x0(0), shield 0x0(0)
7/8/13 5:51:07.133 AM Office365Service[799]: System shutdown notification
7/8/13 6:06:14.198 AM hidd[53]: MultitouchHID: device bootloaded
7/8/13 6:06:14.000 AM kernel[0]: Wake reason: EHC2
7/8/13 6:06:14.000 AM kernel[0]: Previous Sleep Cause: 5
7/8/13 6:06:14.000 AM kernel[0]: The USB device HubDevice (Port 1 of Hub at 0xfa000000) may have caused a wake by issuing a remote wakeup (2)
7/8/13 6:06:14.000 AM kernel[0]: 6136.183699: setDISASSOC from ATH_INTERFACE_CLASS disconnectVap
7/8/13 6:06:14.000 AM kernel[0]: 6136.183710: switchVap from 1 to 1
7/8/13 6:06:14.000 AM kernel[0]: The USB device BRCM2046 Hub (Port 1 of Hub at 0xfa100000) may have caused a wake by issuing a remote wakeup (3)
7/8/13 6:06:14.000 AM kernel[0]: TBT W (1): 0 [x]
7/8/13 6:06:14.000 AM kernel[0]: The USB device Bluetooth USB Host Controller (Port 1 of Hub at 0xfa110000) may have caused a wake by issuing a remote wakeup (3)
7/8/13 6:06:14.000 AM kernel[0]: HID tickle 197 ms
7/8/13 6:06:14.285 AM WindowServer[77]: handle_will_sleep_auth_and_shield_windows: no action for lock state 1
7/8/13 6:06:14.286 AM WindowServer[77]: Created shield window 0x151 for display 0x003f003d
7/8/13 6:06:14.286 AM WindowServer[77]: handle_will_sleep_auth_and_shield_windows: no action for lock state 1
7/8/13 6:06:14.286 AM WindowServer[77]: Created shield window 0x152 for display 0x003f003e
7/8/13 6:06:14.286 AM WindowServer[77]: handle_will_sleep_auth_and_shield_windows: no action for lock state 1
7/8/13 6:06:14.386 AM WindowServer[77]: Created shield window 0x153 for display 0x003f003f
7/8/13 6:06:14.386 AM WindowServer[77]: handle_will_sleep_auth_and_shield_windows: no action for lock state 1
7/8/13 6:06:16.000 AM kernel[0]: AppleBCM5701::selectMedium - autoselect, any duplex, EEE allowed, flow control allowed
7/8/13 6:06:16.000 AM kernel[0]: Ethernet [AppleBCM5701Ethernet]: Link down on en0
7/8/13 6:06:16.025 AM configd[18]: network changed: v4(en0-:192.168.1.2) DNS- Proxy- SMB
7/8/13 6:06:17.000 AM kernel[0]: Ethernet [AppleBCM5701Ethernet]: Link up on en0, 100-Megabit, Full-duplex, Symmetric flow-control, Debug [796d,2300,0de1,0300,45e1,0000]
7/8/13 6:06:21.352 AM configd[18]: network changed: v4(en0+:192.168.1.2) DNS+ Proxy+ SMB
7/8/13 6:06:21.362 AM mDNSResponder[45]: send_msg ERROR: failed to write 77 of 77 bytes to fd 66 errno 57 (Socket is not connected)
7/8/13 6:06:21.362 AM mDNSResponder[45]:  66: Could not write data to clientPID[-1]()  because of error - aborting connection
7/8/13 6:06:21.389 AM configd[18]: network changed: v4(en0-:192.168.1.2) DNS- Proxy- SMB
7/8/13 6:06:21.389 AM mDNSResponder[45]:  66: DNSServiceGetAddrInfo      v4v6 36-courier.push.apple.com. PID[-1]()
7/8/13 6:06:21.449 AM mDNSResponder[45]: ResolveSimultaneousProbe: 0000000000000004 Pkt Record:        00303210    4 Renees-iMac.local. Addr 192.168.1.2
7/8/13 6:06:21.449 AM mDNSResponder[45]: ResolveSimultaneousProbe: 0000000000000004 Our Record 2 won:  8BB270AE   16 Renees-iMac.local. AAAA FE80:0000:0000:0000:AA20:66FF:FE06:5E06
7/8/13 6:06:21.450 AM mDNSResponder[45]: ResolveSimultaneousProbe: 0000000000000004 Pkt Record:        00303210    4 Renees-iMac.local. Addr 192.168.1.2
7/8/13 6:06:21.450 AM mDNSResponder[45]: ResolveSimultaneousProbe: 0000000000000004 Our Record 2 won:  8BB270AE   16 Renees-iMac.local. AAAA FE80:0000:0000:0000:AA20:66FF:FE06:5E06
7/8/13 6:06:21.450 AM mDNSResponder[45]: ResolveSimultaneousProbe: 0000000000000004 Pkt Record:        00303210    4 Renees-iMac.local. Addr 192.168.1.2
7/8/13 6:06:21.450 AM mDNSResponder[45]: ResolveSimultaneousProbe: 0000000000000004 Our Record 2 won:  8BB270AE   16 Renees-iMac.local. AAAA FE80:0000:0000:0000:AA20:66FF:FE06:5E06
7/8/13 6:06:21.450 AM mDNSResponder[45]: ResolveSimultaneousProbe: 0000000000000004 Pkt Record:        00303210    4 Renees-iMac.local. Addr 192.168.1.2
7/8/13 6:06:21.450 AM mDNSResponder[45]: ResolveSimultaneousProbe: 0000000000000004 Our Record 2 won:  8BB270AE   16 Renees-iMac.local. AAAA FE80:0000:0000:0000:AA20:66FF:FE06:5E06
7/8/13 6:06:22.362 AM configd[18]: network changed: v4(en0+:192.168.1.2) DNS+ Proxy+ SMB
7/8/13 6:06:22.365 AM mDNSResponder[45]: mDNS_RegisterInterface: Frequent transitions for interface en0 (192.168.1.2)
7/8/13 6:06:24.885 AM System Preferences[817]: Cannot setMachineString without first being authenticated
7/8/13 6:06:24.917 AM System Preferences[817]: *** WARNING: -[NSImage compositeToPoint:operation:] is deprecated in MacOSX 10.8 and later. Please use -[NSImage drawAtPoint:fromRect:operation:fraction:] instead.
7/8/13 6:06:24.918 AM System Preferences[817]: *** WARNING: -[NSImage compositeToPoint:fromRect:operation:] is deprecated in MacOSX 10.8 and later. Please use -[NSImage drawAtPoint:fromRect:operation:fraction:] instead.
7/8/13 6:06:24.920 AM System Preferences[817]: *** WARNING: -[NSImage compositeToPoint:operation:fraction:] is deprecated in MacOSX 10.8 and later. Please use -[NSImage drawAtPoint:fromRect:operation:fraction:] instead.
7/8/13 6:06:24.922 AM System Preferences[817]: *** WARNING: -[NSImage compositeToPoint:fromRect:operation:fraction:] is deprecated in MacOSX 10.8 and later. Please use -[NSImage drawAtPoint:fromRect:operation:fraction:] instead.
7/8/13 6:07:20.000 AM kernel[0]: FireWire (OHCI) Lucent ID 5901 built-in: 51 bus resets in last 3 minutes.
7/8/13 6:07:36.184 AM System Preferences[817]: Could not connect the action warnCullingPressed: to target of class TMOptionsSheetController
7/8/13 6:07:36.184 AM System Preferences[817]: Could not connect the action backUpOnBatteryPowerPressed: to target of class TMOptionsSheetController
7/8/13 6:08:04.615 AM HelpViewer[828]: : event.layerX and event.layerY are broken and deprecated in WebKit. They will be removed from the engine in the near future. (line: 0)
7/8/13 6:08:04.616 AM HelpViewer[828]: : event.layerX and event.layerY are broken and deprecated in WebKit. They will be removed from the engine in the near future. (line: 0)
7/8/13 6:08:21.475 AM SubmitDiagInfo[831]: Launched to submit Diagnostics and Usage
7/8/13 6:08:21.480 AM SubmitDiagInfo[831]: Cleaning up expired diagnostic messages database at path: /var/log/DiagnosticMessages/2013.06.08.asl
7/8/13 6:08:27.496 AM SubmitDiagInfo[831]: Submitted problem report: file://localhost/Library/Logs/DiagnosticReports/Finder_2013-07-07-211923_Renees -iMac.cpu_resource.spin
7/8/13 6:08:29.037 AM HelpViewer[828]: : event.layerX and event.layerY are broken and deprecated in WebKit. They will be removed from the engine in the near future. (line: 0)
7/8/13 6:08:29.038 AM HelpViewer[828]: : event.layerX and event.layerY are broken and deprecated in WebKit. They will be removed from the engine in the near future. (line: 0)
7/8/13 6:08:38.081 AM HelpViewer[828]: : event.layerX and event.layerY are broken and deprecated in WebKit. They will be removed from the engine in the near future. (line: 0)
7/8/13 6:08:38.082 AM HelpViewer[828]: : event.layerX and event.layerY are broken and deprecated in WebKit. They will be removed from the engine in the near future. (line: 0)
7/8/13 6:08:40.196 AM HelpViewer[828]: : event.layerX and event.layerY are broken and deprecated in WebKit. They will be removed from the engine in the near future. (line: 0)
7/8/13 6:08:40.197 AM HelpViewer[828]: : event.layerX and event.layerY are broken and deprecated in WebKit. They will be removed from the engine in the near future. (line: 0)
7/8/13 6:08:40.961 AM HelpViewer[828]: : event.layerX and event.layerY are broken and deprecated in WebKit. They will be removed from the engine in the near future. (line: 0)
7/8/13 6:08:40.962 AM HelpViewer[828]: : event.layerX and event.layerY are broken and deprecated in WebKit. They will be removed from the engine in the near future. (line: 0)
7/8/13 6:08:41.153 AM HelpViewer[828]: : event.layerX and event.layerY are broken and deprecated in WebKit. They will be removed from the engine in the near future. (line: 0)
7/8/13 6:08:41.153 AM HelpViewer[828]: : event.layerX and event.layerY are broken and deprecated in WebKit. They will be removed from the engine in the near future. (line: 0)
7/8/13 6:08:41.919 AM SubmitDiagInfo[831]: SubmitDiagInfo successfully uploaded 64 diagnostic messages.
7/8/13 6:08:59.759 AM HelpViewer[828]: : event.layerX and event.layerY are broken and deprecated in WebKit. They will be removed from the engine in the near future. (line: 0)
7/8/13 6:08:59.759 AM HelpViewer[828]: : event.layerX and event.layerY are broken and deprecated in WebKit. They will be removed from the engine in the near future. (line: 0)
7/8/13 6:09:01.840 AM HelpViewer[828]: : event.layerX and event.layerY are broken and deprecated in WebKit. They will be removed from the engine in the near future. (line: 0)
7/8/13 6:09:01.841 AM HelpViewer[828]: : event.layerX and event.layerY are broken and deprecated in WebKit. They will be removed from the engine in the near future. (line: 0)
7/8/13 6:09:02.054 AM HelpViewer[828]: : event.layerX and event.layerY are broken and deprecated in WebKit. They will be removed from the engine in the near future. (line: 0)
7/8/13 6:09:02.054 AM HelpViewer[828]: : event.layerX and event.layerY are broken and deprecated in WebKit. They will be removed from the engine in the near future. (line: 0)
7/8/13 6:09:03.550 AM HelpViewer[828]: : event.layerX and event.layerY are broken and deprecated in WebKit. They will be removed from the engine in the near future. (line: 0)
7/8/13 6:09:03.550 AM HelpViewer[828]: : event.layerX and event.layerY are broken and deprecated in WebKit. They will be removed from the engine in the near future. (line: 0)
7/8/13 6:09:03.753 AM HelpViewer[828]: : event.layerX and event.layerY are broken and deprecated in WebKit. They will be removed from the engine in the near future. (line: 0)
7/8/13 6:09:03.753 AM HelpViewer[828]: : event.layerX and event.layerY are broken and deprecated in WebKit. They will be removed from the engine in the near future. (line: 0)
7/8/13 6:09:03.989 AM HelpViewer[828]: : event.layerX and event.layerY are broken and deprecated in WebKit. They will be removed from the engine in the near future. (line: 0)
7/8/13 6:09:03.989 AM HelpViewer[828]: : event.layerX and event.layerY are broken and deprecated in WebKit. They will be removed from the engine in the near future. (line: 0)
7/8/13 6:09:07.319 AM HelpViewer[828]: : event.layerX and event.layerY are broken and deprecated in WebKit. They will be removed from the engine in the near future. (line: 0)
7/8/13 6:09:07.319 AM HelpViewer[828]: : event.layerX and event.layerY are broken and deprecated in WebKit. They will be removed from the engine in the near future. (line: 0)
7/8/13 6:09:07.521 AM HelpViewer[828]: : event.layerX and event.layerY are broken and deprecated in WebKit. They will be removed from the engine in the near future. (line: 0)
7/8/13 6:09:07.522 AM HelpViewer[828]: : event.layerX and event.layerY are broken and deprecated in WebKit. They will be removed from the engine in the near future. (line: 0)
7/8/13 6:19:07.535 AM WindowServer[77]: CGXRegisterWindowWithSystemStatusBar: window 12 already registered
7/8/13 6:25:23.764 AM WindowServer[77]: CGXGetConnectionProperty: Invalid connection 61707
7/8/13 6:25:23.764 AM WindowServer[77]: CGXGetConnectionProperty: Invalid connection 61707
7/8/13 6:25:23.764 AM WindowServer[77]: CGXGetConnectionProperty: Invalid connection 61707
7/8/13 6:25:23.765 AM WindowServer[77]: CGXGetConnectionProperty: Invalid connection 61707
7/8/13 6:25:23.765 AM WindowServer[77]: CGXGetConnectionProperty: Invalid connection 61707
7/8/13 6:27:41.724 AM WindowServer[77]: _CGXSetWindowHasKeyAppearance: Operation on a window 0x17 requiring rights kCGSWindowRightOwner by caller Dashboard
7/8/13 6:27:41.725 AM WindowServer[77]: _CGXSetWindowHasMainAppearance: Operation on a window 0x17 requiring rights kCGSWindowRightOwner by caller Dashboard
7/8/13 6:27:49.078 AM xpcd[154]: restored permissions (100644 -> 100744) on /Users/reneeljacobson/Library/Containers/com.apple.FaceTime/Container.plist
7/8/13 6:27:52.557 AM VDCAssistant[866]: AVF encoder error: fail to create accelerator instance
7/8/13 6:27:52.946 AM FaceTime[860]: 06:27:52.943361 com.apple.AVConference: -isWidescreen: FaceTime HD Camera (Built-in) supports (1280x720) @29.970000 '2vuy'
7/8/13 6:27:54.265 AM CVMServer[78]: Check-in to the service com.apple.cvmsCompAgent_x86_64 failed. This is likely because you have either unloaded the job or the MachService has the ResetAtClose attribute specified in the launchd.plist. If present, this attribute should be removed.
7/8/13 6:27:55.168 AM com.apple.SecurityServer[15]: Session 100025 created
7/8/13 6:27:55.417 AM CVMServer[78]: Check-in to the service com.apple.cvmsCompAgent_x86_64 failed. This is likely because you have either unloaded the job or the MachService has the ResetAtClose attribute specified in the launchd.plist. If present, this attribute should be removed.
7/8/13 6:28:46.624 AM com.apple.launchd[1]: (com.apple.coremedia.videodecoder[870]) Exit timeout elapsed (20 seconds). Killing
7/8/13 6:35:41.404 AM DiskImages UI Agent[898]: *** -[NSMachPort handlePortMessage:]: dropping incoming DO message because the connection is invalid
7/8/13 6:35:41.771 AM com.apple.ShareKitHelper[887]: --warning: [ShareKit-XPC] Received XPC_ERROR_CONNECTION_INVALID
7/8/13 6:35:41.771 AM com.apple.ShareKitHelper[887]: --warning: [ShareKit-XPC] connectionWithClientInterrupted
7/8/13 6:35:41.772 AM com.apple.ShareKitHelper[887]: --warning: [ShareKit] Cancel UI for running services with Client PID: 883
7/8/13 6:35:55.668 AM Locum[915]: Connection with distnoted server was invalidated
7/8/13 6:36:00.050 AM coreaudiod[119]: Disabled automatic stack shots because audio IO is active
7/8/13 6:36:00.677 AM coreaudiod[119]: Enabled automatic stack shots because audio IO is inactive
7/8/13 6:36:33.284 AM CoreServicesUIAgent[923]: Error: qtn_file_apply_to_path error: Read-only file system
7/8/13 6:36:40.810 AM VDCAssistant[926]: AVF encoder error: fail to create accelerator instance
7/8/13 6:36:46.612 AM coreaudiod[119]: Disabled automatic stack shots because audio IO is active
7/8/13 6:36:46.624 AM coreaudiod[119]: Enabled automatic stack shots because audio IO is inactive
7/8/13 6:36:46.979 AM coreaudiod[119]: Disabled automatic stack shots because audio IO is active
7/8/13 6:36:46.991 AM coreaudiod[119]: Enabled automatic stack shots because audio IO is inactive
7/8/13 6:37:02.888 AM tccd[555]: Prompting for access to kTCCServiceAddressBook from /Volumes/Skype/Skype.app/Contents/MacOS/Skype
7/8/13 6:37:06.623 AM coreaudiod[119]: Disabled automatic stack shots because audio IO is active
7/8/13 6:37:06.687 AM Skype[921]: Could not connect the action helpAction: to target of class WelcomeTestEquipmentViewController
7/8/13 6:37:07.859 AM Skype[921]: Current Skype version installation was registered at Skype website
7/8/13 6:37:08.934 AM coreaudiod[119]: Enabled automatic stack shots because audio IO is inactive
7/8/13 6:37:28.087 AM mDNSResponder[45]:  66: Could not write data to clientPID[-1]()  because of error - aborting connection
7/8/13 6:37:28.091 AM mDNSResponder[45]:  66: DNSServiceGetAddrInfo      v4v6 e4374.g.akamaiedge.net. PID[-1]()
7/8/13 6:47:04.332 AM coreaudiod[119]: Disabled automatic stack shots because audio IO is active
7/8/13 6:47:07.327 AM coreaudiod[119]: Enabled automatic stack shots because audio IO is inactive
7/8/13 6:50:06.475 AM coreaudiod[119]: Disabled automatic stack shots because audio IO is active
7/8/13 6:50:08.530 AM coreaudiod[119]: Enabled automatic stack shots because audio IO is inactive
7/8/13 6:50:26.367 AM coreaudiod[119]: Disabled automatic stack shots because audio IO is active
7/8/13 6:50:28.608 AM coreaudiod[119]: Enabled automatic stack shots because audio IO is inactive
7/8/13 6:50:41.658 AM coreaudiod[119]: Disabled automatic stack shots because audio IO is active
7/8/13 6:52:47.375 AM coreaudiod[119]: Enabled automatic stack shots because audio IO is inactive
7/8/13 6:52:47.397 AM coreaudiod[119]: Disabled automatic stack shots because audio IO is active
7/8/13 6:52:49.406 AM coreaudiod[119]: Enabled automatic stack shots because audio IO is inactive
7/8/13 6:53:19.038 AM coreaudiod[119]: Disabled automatic stack shots because audio IO is active
7/8/13 6:53:31.297 AM coreaudiod[119]: Enabled automatic stack shots because audio IO is inactive
7/8/13 6:53:48.672 AM coreaudiod[119]: Disabled automatic stack shots because audio IO is active
7/8/13 6:53:52.027 AM coreaudiod[119]: Enabled automatic stack shots because audio IO is inactive
7/8/13 6:53:52.087 AM coreaudiod[119]: Disabled automatic stack shots because audio IO is active
7/8/13 7:00:55.279 AM coreaudiod[119]: Enabled automatic stack shots because audio IO is inactive
7/8/13 7:00:55.310 AM coreaudiod[119]: Disabled automatic stack shots because audio IO is active
7/8/13 7:00:57.318 AM coreaudiod[119]: Enabled automatic stack shots because audio IO is inactive
7/8/13 7:01:01.011 AM coreaudiod[119]: Disabled automatic stack shots because audio IO is active
7/8/13 7:01:03.948 AM coreaudiod[119]: Enabled automatic stack shots because audio IO is inactive
7/8/13 7:01:04.001 AM coreaudiod[119]: Disabled automatic stack shots because audio IO is active
7/8/13 7:15:41.532 AM coreaudiod[119]: Enabled automatic stack shots because audio IO is inactive
7/8/13 7:15:41.565 AM coreaudiod[119]: Disabled automatic stack shots because audio IO is active
7/8/13 7:15:43.573 AM coreaudiod[119]: Enabled automatic stack shots because audio IO is inactive
Let me know what you think.

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