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User profile for user: keverz146
keverz146 Author
User level: Level 1
0 points

Time Machine only works in Safe Mode

I have a Mid-2011 27" iMac. I recently purchased a WD My Book Studio 1TB USB 3.0/2.0 drive to use exclusively for Time Machine backups.


The first Time Machine attempt to the new drive froze my iMac; the iMac had to be forcefully restarted.


I have since:

- Tried numerous Time Machine attempts with the same result

- Verified and Repaired the WD drive

- Reformatted my iMac (Starting over with Snow Leopard disc -> Lion -> Mountain Lion)

- Installed WD SmartWare software

- Updated WD drive firmware


And Time Machine still refuses to work. I don't have another drive to attempt with so I split my iMac disk into two partitions and used the second for my Time Machine backups - low and behold it froze too! I can't for the life of me figure out what's causing this - there's nothing installed on the iMac except the items from the OS X install, Microsoft Remote Desktop Client 2.1.1, and Java Update 7.


All that said, Time Machine will complete flawlessly in Safe Mode.


Any thoughts?

iMac, OS X Mountain Lion (10.8.2)

Posted on Jan 10, 2013 7:23 PM

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4 replies
User profile for user: Linc Davis
Linc Davis
User level: Level 10
209,547 points

Jan 11, 2013 2:50 PM in response to keverz146

Please read this whole message before doing anything.

This procedure is a diagnostic test. It won’t solve your problem. Don’t be disappointed when you find that nothing has changed after you complete it.

Third-party system modifications are a common cause of usability problems. By a “system modification,” I mean software that affects the operation of other software — potentially for the worse. The following procedure will help identify which such modifications you've installed. Don’t be alarmed by the complexity of these instructions — they’re easy to carry out and won’t change anything on your Mac.


These steps are to be taken while booted in “normal” mode, not in safe mode. If you’re now running in safe mode, reboot as usual before continuing.


Below are instructions to enter some UNIX shell commands. The commands are harmless, but they must be entered exactly as given in order to work. If you have doubts about the safety of the procedure suggested here, search this site for other discussions in which it’s been followed without any report of ill effects.


Some of the commands will line-wrap or scroll in your browser, but each one is really just a single line, all of which must be selected. You can accomplish this easily by triple-clicking anywhere in the line. The whole line will highlight, and you can then either copy or drag it. The headings “Step 1” and so on are not part of the commands.


Note: If you have more than one user account, Step 2 must be taken as an administrator. Ordinarily that would be the user created automatically when you booted the system for the first time. The other steps should be taken as the user who has the problem, if different. Most personal Macs have only one user, and in that case this paragraph doesn’t apply.


Launch the Terminal application in any of the following ways:


☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)


☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.


☞ Open LaunchPad. Click Utilities, then Terminal in the icon grid.


When you launch Terminal, a text window will open with a line already in it, ending either in a dollar sign (“$”) or a percent sign (“%”). If you get the percent sign, enter “sh” and press return. You should then get a new line ending in a dollar sign.


Step 1


Triple-click the line of text below to select it:

kextstat -kl | awk '!/com\.apple/{printf "%s %s\n", $6, $7}'

Copy (command-C) the selected text to the Clipboard. Then click anywhere in the Terminal window and paste (command-V). Post the lines of output (if any) that appear below what you just entered. You can do that by copy-and-paste as well. Omit the final line ending in “$”. No typing is involved in this step.

Step 2


Repeat with this line:

sudo launchctl list | sed 1d | awk '!/0x|com\.(apple|openssh|vix)|edu\.mit|org\.(amavis|apache|cups|isc|ntp|postfix|x)/{print $3}'

This time you'll be prompted for your login password, which you do have to type. It won't be displayed when you type it. Type it carefully and then press return. You may get a one-time warning not to screw up. You don't need to post the warning. If you see a message that your username "is not in the sudoers file," then you're not logged in as an administrator.


Note: If you don’t have a login password, you’ll need to set one before taking this step. If that’s not possible, skip to the next step.


Step 3

launchctl list | sed 1d | awk '!/0x|com\.apple|edu\.mit|org\.(x|openbsd)/{print $3}'

Step 4

ls -1A /e*/mach* {,/}L*/{Ad,Compon,Ex,Fram,In,Keyb,La,Mail/Bu,P*P,Priv,Qu,Scripti,Servi,Spo,Sta}* L*/Fonts 2> /dev/null

Important: If you formerly synchronized with a MobileMe account, your me.com email address may appear in the output of the above command. If so, anonymize it before posting.


Step 5

osascript -e 'tell application "System Events" to get name of every login item' 2> /dev/null

Remember, steps 1-5 are all copy-and-paste — no typing, except your password. Also remember to post the output.


You can then quit Terminal.

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User profile for user: jraycjay
jraycjay
User level: Level 1
5 points

Sep 2, 2015 6:25 AM in response to Linc Davis

Problem: Time Machine works only in Safe Mode

iMac, 21.5-inch, Late 2013

Memory 8GB 1600 MHz DDR3, SN:D25LR1VTF8J8

OS X Yosemite, Version 10.10.5


Output as per your instructions:

com.kaspersky.kext.klif (3.0.5a45)

com.kaspersky.nke (2.0.0a12)

com.kaspersky.kext.kimul.44 (44)

com.kaspersky.kext.mark.1.0.5 (1.0.5)


com.kaspersky.kav

com.adobe.fpsaud


2BUA8C4S2C.com.agilebits.onepassword4-helper

com.kaspersky.kav.gui

com.getdropbox.dropbox.161628

com.hp.scanModule.54560.86F50F7F-71BA-4A83-9BB0-E859A7EA7AE6


{Ad,Compon,Ex,Fram,In,Keyb,La,Mail/Bu,P*P,Priv,Qu,Scripti,Servi,Spo,Sta}* L*/Fonts 2> /dev/null

/Library/Components:


/Library/Extensions:

ACS6x.kext

ATTOCelerityFC8.kext

ATTOExpressSASHBA2.kext

ATTOExpressSASRAID2.kext

ArcMSR.kext

CalDigitHDProDrv.kext

HighPointIOP.kext

HighPointRR.kext

PromiseSTEX.kext

SoftRAID.kext

hp_io_enabler_compound.kext

klif.kext

klnke.kext


/Library/Frameworks:

AEProfiling.framework

AERegistration.framework

AudioMixEngine.framework

NyxAudioAnalysis.framework

PluginManager.framework

iTunesLibrary.framework


/Library/Input Methods:

/Library/Internet Plug-Ins:

Default Browser.plugin

Flash Player.plugin

Quartz Composer.webplugin

QuickTime Plugin.plugin

flashplayer.xpt

nsIQTScriptablePlugin.xpt


/Library/Keyboard Layouts:


/Library/LaunchAgents:

com.kaspersky.kav.gui.plist


/Library/LaunchDaemons:

com.adobe.fpsaud.plist

com.kaspersky.kav.plist


/Library/PreferencePanes:

Flash Player.prefPane


/Library/QuickLook:

iBooksAuthor.qlgenerator

iWork.qlgenerator


/Library/QuickTime:

AppleIntermediateCodec.component

AppleMPEG2Codec.component


/Library/ScriptingAdditions:


/Library/Spotlight:

Microsoft Office.mdimporter

iBooksAuthor.mdimporter

iWork.mdimporter


/Library/StartupItems:


/etc/mach_init.d:


/etc/mach_init_per_login_session.d:


/etc/mach_init_per_user.d:


Library/Fonts:


Library/Input Methods:

.localized


Library/Internet Plug-Ins:


Library/Keyboard Layouts:


Library/LanguageModeling:

de-dynamic.lm

en-dynamic.lm

es-dynamic.lm

fr-dynamic.lm

it-dynamic.lm

nl-dynamic.lm

pt-dynamic.lm

sv-dynamic.lm

tr-dynamic.lm


Library/LaunchAgents:


Library/PreferencePanes:


Library/Services:


iTunesHelper, Dropbox



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Time Machine only works in Safe Mode

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