Safe boot in mavericks

My MacPro 8 core from 2008 won't even start with the start tone. just get the grey screen. PRAM reset no work... Command R doesn't work either. How can you force a reboot with no Mavericks install disk?

Here--> How to make your own bootable OS X 10.9 Mavericks USB install drive

Similar Messages

Cannot Do A Safe Boot In Mavericks

Everytime I try to boot my iMac into Safe Boot mode after installing Mavericks, this is what happens:
- It starts with the progress bar on the bottom (at which time I let go of the Shift key),
- The progress bar gets to about 1/3 the distance then disappears,
- The screen goes blank and then my iMac restarts itself and ends up as a normal boot.
I have tried with and without any external peripherals connected.
Also, iMac sometimes hangs on shutdown and I have to press the power button to turn it off.
Anyone else experiencing similar problems? Any suggestions? Thanks in advance!

Ernest Long wrote:
My last resort is to backup to an external drive and erase the boot disk and do a clean install.
If you do so, make sure to target the entire disk0 from Internet Recovery with a 3x secure erase if possible.
It will take a long time to complete since you have a large drive, but will ensure all your bad sectors are mapped off.
I will run some other OEM disk utilities to see if a hardware problem exists.
Like I said, run through the Steps, it might be a corrupted NVRAM which is a easy fix and the Steps won't hurt if trying.
Apple's Hardware Test is hold D down on a wired or built in keyboard while booting up until you see something takes a few minutes to load from Apple's servers)
I will run some other OEM disk utilities to see if a hardware problem exists. Apple's Disk Utility seems to think that the drive is okay.
I doubt the other software will assist, then only check the free sectors on MacintoshHD partition, it seems your problem is in the hidden and inaccessible EFI partition. Disk Utility doesn't check for data integrity or for bad sectors.
This iMac is less than a year old.
If hard drives fail, they usually do so within the first year.
Don't even bother, just backup and let Apple replae the hard drive portion of the Fusion drive with a new one under warranty. Make sure to buy AppleCare for two more years of coverage, as since your getting a new drive, it could also fail in the next year.
Since only Apple can replace drives in most Mac's now, your stuck paying their higher prices for repairs when i's usually a easy user level fix in older Mac's.
I disagree with your assesment that any Maverick's problem would turn up in testing. It is impossible to test for all hardware/software configurations.
Apple has volunteers to test new OS X versions on older and varied configurations, I did so at one time.
Also not being able to boot into Safe Mode would for sure be caught at testing, as it's a commonly checked for function.
So that leads more to a hardware/drive corruption issue on your machine rather than a specific Mavericks flaw.
Just look at this software forum and the people that had problems with the Maverick's install (I did not and have post-install problems). I was a software engineer and this is common knowledge. That is why you see a lot of bug fixes released right after new software comes out. Many unique hardware/software configurations out there!
I can understand from your software engineer expereince that you would tend to think that the software is at fault, however as you know software is only as reliable as the structure it's written on.
If your problem was widespread, then yes it might be a fault in the Mavericks code, but it's not and many of the issues on this forum so far are not widespread with many users.
When you've been here for many years, you get to see if patterns develop that might point to a code flaw.
Instead most of the problems with Mavericks so far seem to be individual in nature, which points to a specific problems on each users machine.
I'm willing ot also bet the most issues are with users with hard drives, because bit rot/bad/damaged sectors is a major contribuor o the code becoming corrupted.
We hardly see anyone here with software issues with SSDs.
Apple has not employed significant data integrity checks for hard drives, then users also incur shock damage with portable models.
Take your machine into Apple and let them replace the drive since you will likely be unable to map off the bad sectors yourself using Disk Utiltiy.
If you don't have AppleCare, then purchase it, because if the next drive has bad sector issues and it occurs after the one year warranty has expired, then your looking at out of pocket and only Apple can replace iMac drives now due to proprietary software installed on the drive to work with firmware.
Good Luck

I am running OS X 10.7.5 on my MacBook Air, but I cannot download Mavericks. I tried downloading after a safe boot, but the progress bar hung up. Any other ideas?

I'm running OS X 10.7.5 on my MacBook Air, but I cannot download Mavericks. I've tried downloading after a safe boot, but the progress bar and the download hung up. Any ideas?

It can be a long download, so keep trying. My first download was at 3 am Cupertino time and took less than an hour. The second took close to three hours one evening.
Phil

Garage Band displays error message in Safe Boot

The old issue. When booting into Safe Mode, on launching Garage Band an alert pops up notifying me that "selected driver (~10200) was not found". My Mac came with Lion pre-installed, however since I upgraded to Mavericks after a week of owning it, I didn't have a chance to experience this issue, however in Mavericks both GB v6 and GN v.10 displayed this message when running the System in Safe Boot. I reinstalled Mavericks from scratch, then reset my Mac to factory. I'm now currently on Lion (native OS X) after 15 months again, am fully satisfied with its performance, I have installed iLife'11 from the retailer DVD, then updated via Software Update utility and - partially - via Apple's Updates pages to the latest possible version of iLife'11. However when I started up in Safe Mode GB 6.0.5 still displays that message. I started a thread some time ago while using Mavericks and it was suggested by some users that it has smth to do with kexts. However now, after reseting to factory and subsequent installs of iLife'11 suite and updates I wonder if that message is somehow related to the procedure of Garage Band 6.0.5 update? I remember that after performing internet recovery and then installing iLife'11 from the DVD I ran Software Update Utility: it clearly detected all installed software but among suggested updates the one for GarageBand 6.0.5 was greyed out: it had the box unticked and impossible to click.
So, would like to hear some thoughts of yours on the subject. It doesn't make me any obstacles as of now using Garage Band but is definitely annoying.
All the best,
I.S.

scrutinizer82 wrote:
in Mavericks both GB v6 and GN v.10 displayed this message when running the System in Safe Boot.
Oops, stand corrected: in Mavericks both GB v.6 and GB v.10....
GB stands for Garage Band, of course

Trying to update from OS X 10.6.8 operating with zero problems to 10.9.2. Install over current OS results in inability to cold boot to mavericks. Must use option key to select 10.9.2 volume to boot to.

Will boot from cold start sometimes but eventually will not boot at all. Just white screen. Have tried safe boot and cleaning out folders suggested by Apple care advisor. This helps temporarily. But white screen issue returns. Have removed all periferals problem persists. Have tried reseting Pram. This results in the Mac booting up into 10.6.8. ( I keep a backup clone on a different internal physical drive.) I've tried a clean install using migration assistant to bring over all my stuff. This results in a permissions mess that disk utility cannot fix.) I've tried migrating my data from snow leopard during the install process. Same permissions mess. Snow leopard works great but I'm concerned about lack of support with security updates going forward. I have three macs in the family. Have been a mac user since 2002. Paid the premium because Macs just WORK and I've not had to mess with them to stay alive. Mavericks has changed all that. I want to get past this and go back to just using my Mac. Open to help please. Two other things. In all instances of trying to use Mavericks I cannot get finder to retain my preference settings. They always return to default when I reboot. Microsoft Entourage always opens with a new email draft now instead of just opening to the inbox like under Snow Leopard when started from the dock. When started from applications Entourage opens to the inbox normally. Thanks

Here is how I solved this issue on my early 2008 Mac Pro- Formatted and zeroed my boot drive. Disconnected all periferals except monitor (Dell DVI), wired mac keyboard, Logitech wireless usb 2 mouse. Removed my ATI 5770 upgrade Video card and replaced with original Nvidia card. Did clean 10.9 install. Immediately updated to 10.9.2. Checked finder preference retention issues- Gone. Checked reboot and boot after PRAM reset issue. Still boots back to 10.6.8. Hmmmm though about how the order of my physical drives in the bays was now different than before 10.9. Previously 10.6 startup was in bay 3 and my 10.6 clones were in bay 4. Never had a clone boot on startup. Now 10.6 is in bay 2 and 10.9 is in bay 3. Does the mac start looking for a boot volume in bay 1 then 2,3,4. Answer- Yes! When I moved the 10.9 drive to bay 1 kept 10.6 in bay 2 the crazy start up switch no longer occurs. So, I used the system like that for a couple of days rebuilding my files and reinstalling applications. Then I pulled the nVidia card and put the ATi 5770 back in. All is well. The system works perfectly no more issues. This has been a lot of work and I can't tell what the specifict conflict was, but I'm up and running Mavericks with no problems. All my hardware is back as it was before. All periferals working fine. Glad I am still able to make use of my ATi video card because it is superior. Hope this helps others use mavericks on their older Macs.

Safe Boot issue..?

I'm planning to go to Mavericks soon as 10.9.1 arrives, and this turns up...
I have done a safe boot for the first time ever, following Apple's directions exactly, many times over, and this keeps happening:
Either- 1- Shift key pressed after gong- get a gray circle with a slash, then a little bit of a terminal like language, white letters on black, then a gray screen with several languages saying i restarted because i had a problem, hit the shift key and it goes into the finder and asks if I want to report a problem. .. there is an apple or two that comes up in the process as well, hard to get it all, goes pretty fast... There seems to be a problem..?!
Or- 2- A safe boot with shift, command and V keys, i.e., verbose... it goes through a whole lot of terminal like language, then shifts straight on into the finder. when I shutdown/reboot again it gives some more terminal like language and then reboots as usual. Is this Safe Boot and is it working, and if so what is happening with 1, above..?
3- And, in both cases my startup items still start up, is that supposed to happen in safe mode..?
I'm totally perfect for a year, since new, all upgrades, etc., lots of complex use, software, and all still seems totally fine every way, all rebooting, everything even now, except that now in this first try at a safe boot this occures, something I've never been moved to do before... yikes..?
AND now particularly, when I'm planning to go to Mavericks, and concerned how this might affect that..?
2012 cMBP os x 10.8.5, 16 gig ram 512 gig ssd
Hoping someone who understands such things is looking in, here is a copy of the report that comes up when I say yes to making a report, wondering if it is the same as a KP log, or, how does one get a KP log..?
Interval Since Last Panic Report: 1002177 sec
Panics Since Last Report: 9
Anonymous UUID: C3829C5E-A45F-BE30-41FB-E5C42AE717DE
Fri Nov 22 17:28:24 2013
panic(cpu 3 caller 0xffffff8000555ef5): "Process 1 exec of /sbin/launchd failed, errno 2"@/SourceCache/xnu/xnu-2050.7.9/bsd/kern/kern_exec.c:3560
Backtrace (CPU 3), Frame : Return Address
0xffffff81b7113e10 : 0xffffff800021d5f6
0xffffff81b7113e80 : 0xffffff8000555ef5
0xffffff81b7113ef0 : 0xffffff80005390f7
0xffffff81b7113f10 : 0xffffff8000568ee1
0xffffff81b7113f50 : 0xffffff800021b6b1
0xffffff81b7113f90 : 0xffffff80002b8123
0xffffff81b7113fb0 : 0xffffff80002ce47c
BSD process name corresponding to current thread: init
Boot args: -x
Mac OS version:
Not yet set
Kernel version:
Darwin Kernel Version 12.0.0: Sun Jun 24 23:00:16 PDT 2012; root:xnu-2050.7.9~1/RELEASE_X86_64
Kernel UUID: 8D5F8EF3-9D12-384B-8070-EF2A49C45D24
System model name: MacBookPro9,1 (Mac-4B7AC7E43945597E)
System uptime in nanoseconds: 917658094
last loaded kext at 648727133: com.apple.driver.AppleUSBMergeNub 5.1.5 (addr 0xffffff7f80b04000, size 28672)
loaded kexts:
com.apple.driver.AppleFileSystemDriver 3.0.1
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1
com.apple.BootCache 34
com.apple.iokit.SCSITaskUserClient 3.5.1
com.apple.driver.XsanFilter 404
com.apple.iokit.IOAHCIBlockStorage 2.2.0
com.apple.driver.AppleSDXC 1.2.2
com.apple.iokit.AppleBCM5701Ethernet 3.2.5b3
com.apple.driver.AppleUSBHub 5.1.6
com.apple.driver.AirPort.Brcm4331 600.15.20
com.apple.driver.AppleFWOHCI 4.9.5
com.apple.driver.AppleAHCIPort 2.4.0
com.apple.driver.AppleUSBEHCI 5.1.5
com.apple.driver.AppleUSBXHCI 1.1.0
com.apple.driver.AppleEFINVRAM 1.6.1
com.apple.driver.AppleSmartBatteryManager 161.0.0
com.apple.driver.AppleRTC 1.5
com.apple.driver.AppleACPIButtons 1.6
com.apple.driver.AppleHPET 1.7
com.apple.driver.AppleSMBIOS 1.9
com.apple.driver.AppleACPIEC 1.6
com.apple.driver.AppleAPIC 1.6
com.apple.driver.AppleIntelCPUPowerManagementClient 196.0.0
com.apple.nke.applicationfirewall 4.0.39
com.apple.security.quarantine 2
com.apple.driver.AppleIntelCPUPowerManagement 196.0.0
com.apple.driver.AppleUSBMergeNub 5.1.5
com.apple.driver.AppleUSBComposite 5.0.0
com.apple.iokit.IOSCSIMultimediaCommandsDevice 3.5.1
com.apple.iokit.IOBDStorageFamily 1.7
com.apple.iokit.IODVDStorageFamily 1.7.1
com.apple.iokit.IOCDStorageFamily 1.7.1
com.apple.driver.AppleThunderboltNHI 1.6.0
com.apple.iokit.IOThunderboltFamily 2.0.3
com.apple.iokit.IOAHCISerialATAPI 2.5.0
com.apple.iokit.IOSCSIArchitectureModelFamily 3.5.1
com.apple.iokit.IOEthernetAVBController 1.0.2b1
com.apple.iokit.IO80211Family 500.15
com.apple.iokit.IONetworkingFamily 3.0
com.apple.iokit.IOFireWireFamily 4.5.5
com.apple.iokit.IOUSBUserClient 5.0.0
com.apple.iokit.IOAHCIFamily 2.2.0
com.apple.iokit.IOUSBFamily 5.1.6
com.apple.driver.AppleEFIRuntime 1.6.1
com.apple.iokit.IOHIDFamily 1.8.0
com.apple.iokit.IOSMBusFamily 1.1
com.apple.security.sandbox 220
com.apple.kext.AppleMatch 1.0.0d1
com.apple.security.TMSafetyNet 7
com.apple.driver.DiskImages 344
com.apple.iokit.IOStorageFamily 1.8
com.apple.driver.AppleKeyStore 28.18
com.apple.driver.AppleACPIPlatform 1.6
com.apple.iokit.IOPCIFamily 2.7
com.apple.iokit.IOACPIFamily 1.4
com.apple.kec.corecrypto 1.0
Model: MacBookPro9,1, BootROM MBP91.00D3.B08, 4 processors, Intel Core i7, 2.6 GHz, 16 GB, SMC 2.1f175
Graphics: Intel HD Graphics 4000, Intel HD Graphics 4000, Built-In, 384 MB
Graphics: NVIDIA GeForce GT 650M, NVIDIA GeForce GT 650M, PCIe, 1024 MB
Memory Module: BANK 0/DIMM0, 8 GB, DDR3, 1333 MHz, 0x859B, 0x43543130323436344246313333392E4D3136
Memory Module: BANK 1/DIMM0, 8 GB, DDR3, 1333 MHz, 0x859B, 0x43543130323436344246313333392E4D3136
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xF5), Broadcom BCM43xx 1.0 (5.106.98.100.17)
Bluetooth: Version 4.1.7f2 12718, 3 service, 21 devices, 3 incoming serial ports
Network Service: Wi-Fi, AirPort, en1
Serial ATA Device: SAMSUNG SSD 830 Series, 512.11 GB
Serial ATA Device: MATSHITADVD-R UJ-8A8
USB Device: hub_device, 0x8087 (Intel Corporation), 0x0024, 0x1a100000 / 2
USB Device: FaceTime HD Camera (Built-in), apple_vendor_id, 0x8509, 0x1a110000 / 3
USB Device: hub_device, 0x8087 (Intel Corporation), 0x0024, 0x1d100000 / 2
USB Device: hub_device, 0x0424 (SMSC), 0x2513, 0x1d180000 / 3
USB Device: BRCM20702 Hub, 0x0a5c (Broadcom Corp.), 0x4500, 0x1d181000 / 6
USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x821d, 0x1d181300 / 9
USB Device: IR Receiver, apple_vendor_id, 0x8242, 0x1d182000 / 5
USB Device: Apple Internal Keyboard / Trackpad, apple_vendor_id, 0x0252, 0x1d183000 / 4

Solution to problem found:
Got to looking around, and found this: https://discussions.apple.com/thread/5425709?start=0&tstart=0
The gist is this:
The OS X 10.8.5 update, at least for a lot of folks, made the mach_kernel visible and relocated it to the Documents folder. It needs to be in the root folder, must be there same folder as system and applications, and it is usually invisible there.
I remembered finding it in the Documents folder and tossing it in the trash. Fortunately I hadn't emptied the trash yet. I simply moved it to the root folder, rebooted as added insurance repaired permissions, rebooted again, and now all is well, perfect safe boot and everything. I never did a safe boot before so had no idea it loped the way it does. Pretty cool…
As an added bonus, what got me to trying a safe boot was that the latest Office update wouldn't recognize mountain lion, it thought i was running something prior to 10.5.x, so it wouldn't install. It has now installed perfectly.
Additionally, per the above link/forum thread, I hid the mach_kernel again, with this command in the terminal- sudo chflags hidden /mach_kernel which also worked perfectly.
All is well, yea!

Safe Boot broken in Mavericks10.9.2?

Is Safe Boot broken in Mavericks10.9.2?
After I did what others here suggested: Re-installed 10.9.2, used Disk Utility (both) Disk Warrior still no Safe Boot!
(Aside from that I have (like many others) extream slow start and handling!) I wonder whatever happened to:
"It just works!"

I forgot to mention my Mavericks 10.9.2 is on a regular SATA hard drive.

Macbook pro 10.8.3 Safe boot hangs

Retina MacBook Pro Mid 2012 running 10.8.3 with latest SMC update.
My system will not complete a "safe mode" boot, it hangs with the progres bar at about 1/4 of the way. I am trying safe boot to be able to run the system while all extra drivers etc are disabled for diagnostic purposes.
Things already tested:
From Recovery Drive: Disk utility has been used to repair the disc and reset permissions.
From the Recovery Drive, start terminal and run "fsck_hfs -f /dev/disk0s2", completes correctly
I tried a save boot with verbose mode on. (In terminal before reboot, execute "sudo nvram boot-args="-v -x" )
The boot process shows it passes the fsck_hfs (no surprise), then it shows:
IOThunderboltSwitch(0x0)::listenerCallback - Thunderbolt HPD packet for route = 0x0 port = 12 unplus=0
AppleUSBMultitouchDriver::checkStatus - received Status Packet, Payload 2: device was reinitialized
And there is hangs.
So it looks like whatever comes after the Multitouch Driver initialization is what is causing the hang.
Any suggestions about this?
Is this a hardware problem or a software one?

Having the same problem, with a 2014 MBP running Mavericks 10.9.5, no peripherals connected.
Took it to Genius Bar today, where they reinstalled the OS, and after taking the afternoon to get it up and running again, I'm again having the boot problem. It hangs at exactly the same place, right after the AppleUSBMultitouchDriver::checkStatus message. Only difference is that before today's visit it wouldn't boot into Recovery mode -- it'd only boot to Single-User -- and today it will. It won't boot into normal or Safe mode.
This is a nearly-brand-new MBP, so hardware failure (while certainly possible) seems a bit improbable. Other points against hardware failure:
booting into diagnostics mode, the system reports all is OK
fsck is not reporting any errors
when I boot into Single-User mode I can still read files on my hard drive (e.g., system logs in /var/log, my user files)
it fails to boot even with no peripherals connected
Can anybody point me to a detailed list of the events that should occur in a successful boot? Specifically, I want to know what should happen after the MultitouchDriver event mentioned above, since (one would think) that would narrow down the list of places to look and questions to ask. The standard procedural info ("just reinstall the OS") isn't reassuring.
Oh, and I tried to post this as a separate question -- after all, my version isn't 10.8.3 as this thread suggests -- but the browser in Recovery mode (Safari 7.0.6) won't let me post a new question. (On the main page for this community, the search box's "Submit my question to the community" does nothing when clicked, and often neither do any of the links that come up in search results.)

What does Safe Boot leave out that is messing things up?

The patient is a 2012 Macbook Pro that replaced a 2009 Macbook but to no real benefit: it's no faster and very frustrating to use. 4 Gb ram, 7200 rpm drive (the old machine swapped so much I added a faster drive to at least speed up that process. Mavericks seems to manage memory better, not as much swapping).
Symptoms:
lot of beachballs, spinners, even at login time as it tries to restore my old work session
slow keyboard entry in URL address window, slow acceptance of return key. Sometimes takes 2-2 attempts to get it to load a page
application switching is terrible, totally unresponsive sometimes, even though I can see that the CPU is idling (I have Activity Monitor in the Dock with the CPU history as the icon: 4 cores and nothing happening, maybe one of them showing any activity).
Even what I would expect to be lightweight processes — System Preferences, Terminal — take ages to load. I suspect some kind of cache corruption or other damage but have no way to verify. That's not the case in Safe Boot. Things are snappy, as I would expect.
I reinstalled Mavericks last night but no difference. I assume that would remove any kernel extensions or add ons that might have been mucking things up.
Just booted in Safe Boot and used the Guest account, things were pretty speedy, much more like what I want. Logged out of it and into my own account, things are better, very quick to load. So it seems Safe Boot leaves some things out I might be well rid of. Trouble is, I don't know what they are. Another diagnostic would be to create an external boot drive and add my home directory to see if I see any difference there. It might be slower since it's external but maybe not as bad.
How can I isolate what might be causing this?

Safe Mode disables third-party kernel extensions and other startup items.
You need to look at what you have set to startup automatically.
The first place to look is in the Users & Groups system prefs, your account, Login Items.
To delete items from the list, select it and click the - button at the bottom of the list. Unchecking the checkbox does nothing.
The other places where software can install startup items is in your user Library/LaunchAgents, LaunchDaemons, or StartupItems. In the first two, the files will be a single plist. In the StartupItems it will be a folder.
It is best to use the program's uninstaller to remove them, but you can do it manually if you want.
Once you remove them, you will have to log out and log back in.
<Edited By Host>

Kernel trap prevents normal reboot, can only safe boot

Hi,
I was trying to connect my mid 2012 MacBook Air 13" with Mavericks 10.9.5 to a projector that I previously succesfully connected.   In the meantime I mistakenly clicked to connect to an unknown AirPlay device, thinking it was perhaps the projector. As I was not able to connect to the projector, I wanted to reboot the computer but it never did. It can safe boot and I obtained a kernel trap log file. I tried disk utility to repair permissions, everything seems ok, but still cannot boot normally. If anyone can help me identify what may be causing the problem, I'd be awaiting your suggestions. Thanks in advance!
Log file:
Anonymous UUID:       1CB63A57-1FEB-FC11-B2EE-885207CD9B7E
Thu Sep 25 22:06:43 2014
panic(cpu 2 caller 0xffffff80276dc43e): Kernel trap at 0xffffff7fa8f3246e, type 14=page fault, registers:
CR0: 0x0000000080010033, CR2: 0x0000000000000070, CR3: 0x0000000018e96046, CR4: 0x00000000001606e0
RAX: 0x0000000033b6be00, RBX: 0xffffff80c38a3a74, RCX: 0x0000000000000000, RDX: 0xffffff80345e8604
RSP: 0xffffff80c38a3a40, RBP: 0xffffff80c38a3ac0, RSI: 0xffffff80354f7800, RDI: 0xffffff8036ab4000
R8: 0xffffff80345e85fc, R9: 0xffffff80349f8000, R10: 0x0000000000000384, R11: 0x0000000000000000
R12: 0x00000000ffffffff, R13: 0xffffff8036ab4000, R14: 0xffffff80354f7800, R15: 0x0000000000000009
RFL: 0x0000000000010297, RIP: 0xffffff7fa8f3246e, CS: 0x0000000000000008, SS: 0x0000000000000010
Fault CR2: 0x0000000000000070, Error code: 0x0000000000000000, Fault CPU: 0x2
Backtrace (CPU 2), Frame : Return Address
0xffffff80c38a36d0 : 0xffffff8027622f79
0xffffff80c38a3750 : 0xffffff80276dc43e
0xffffff80c38a3920 : 0xffffff80276f3976
0xffffff80c38a3940 : 0xffffff7fa8f3246e
0xffffff80c38a3ac0 : 0xffffff7fa8ec1012
0xffffff80c38a3af0 : 0xffffff7fa8ebfa9c
0xffffff80c38a3b70 : 0xffffff8027acfbfa
0xffffff80c38a3b90 : 0xffffff8027ad075e
0xffffff80c38a3bf0 : 0xffffff8027ace1af
0xffffff80c38a3d40 : 0xffffff80276b6998
0xffffff80c38a3e50 : 0xffffff8027626bc1
0xffffff80c38a3e80 : 0xffffff80276139c5
0xffffff80c38a3ef0 : 0xffffff802761e013
0xffffff80c38a3f70 : 0xffffff80276c9b9d
0xffffff80c38a3fb0 : 0xffffff80276f4196
      Kernel Extensions in backtrace:
         com.apple.iokit.IOAcceleratorFamily2(98.22)[0EC64777-94B9-32E3-AC03-A2367895744 B]@0xffffff7fa8ead000->0xffffff7fa8f11fff
            dependency: com.apple.iokit.IOPCIFamily(2.9)[4662B11D-2ECA-315D-875C-618C97CDAB2A]@0xffffff 7fa7cbe000
            dependency: com.apple.iokit.IOGraphicsFamily(2.4.1)[75D81741-64C1-3941-ADFA-9D6B6C434EE4]@0 xffffff7fa84a6000
         com.apple.driver.AppleIntelHD4000Graphics(8.2.8)[D2D01985-3507-32D8-8928-D0847F EC05DA]@0xffffff7fa8f1f000->0xffffff7fa8f6afff
            dependency: com.apple.iokit.IOSurface(91.1)[5E4EA3A2-5AB6-3577-B32D-EF5717A0EF5B]@0xffffff7 fa83b2000
            dependency: com.apple.iokit.IOPCIFamily(2.9)[4662B11D-2ECA-315D-875C-618C97CDAB2A]@0xffffff 7fa7cbe000
            dependency: com.apple.iokit.IOGraphicsFamily(2.4.1)[75D81741-64C1-3941-ADFA-9D6B6C434EE4]@0 xffffff7fa84a6000
            dependency: com.apple.iokit.IOAcceleratorFamily2(98.22)[0EC64777-94B9-32E3-AC03-A2367895744 B]@0xffffff7fa8ead000
BSD process name corresponding to current thread: WindowServer
Mac OS version:
13F34
Kernel version:
Darwin Kernel Version 13.4.0: Sun Aug 17 19:50:11 PDT 2014; root:xnu-2422.115.4~1/RELEASE_X86_64
Kernel UUID: 9477416E-7BCA-3679-AF97-E1EAAD3DD5A0
Kernel slide:     0x0000000027400000
Kernel text base: 0xffffff8027600000
System model name: MacBookAir5,2 (Mac-2E6FAB96566FE58C)
System uptime in nanoseconds: 7253954485
last loaded kext at 6113741739: com.apple.driver.AudioAUUC 1.60 (addr 0xffffff7fa93f7000, size 28672)
loaded kexts:
com.apple.driver.AudioAUUC 1.60
com.apple.filesystems.autofs 3.0
com.apple.driver.AppleHDAHardwareConfigDriver 2.6.3f4
com.apple.driver.AppleUSBCDC 4.2.1b5
com.apple.driver.AppleMikeyHIDDriver 124
com.apple.driver.ApplePlatformEnabler 2.0.9d6
com.apple.driver.AGPM 100.14.34
com.apple.driver.X86PlatformShim 1.0.0
com.apple.iokit.IOBluetoothSerialManager 4.2.6f1
com.apple.driver.AppleHDA 2.6.3f4
com.apple.iokit.IOBluetoothUSBDFU 4.2.6f1
com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport 4.2.6f1
com.apple.driver.AppleUSBTCButtons 240.2
com.apple.driver.AppleUpstreamUserClient 3.5.13
com.apple.driver.AppleMikeyDriver 2.6.3f4
com.apple.iokit.IOUserEthernet 1.0.0d1
com.apple.driver.AppleIntelHD4000Graphics 8.2.8
com.apple.driver.ACPI_SMC_PlatformPlugin 1.0.0
com.apple.driver.AppleMuxControl 3.6.22
com.apple.Dont_Steal_Mac_OS_X 7.0.0
com.apple.driver.AppleHWAccess 1
com.apple.driver.AppleThunderboltIP 1.1.2
com.apple.driver.AppleBacklight 170.4.11
com.apple.driver.AppleSMCPDRC 1.0.0
com.apple.driver.AppleSMCLMU 2.0.4d1
com.apple.driver.AppleLPC 1.7.0
com.apple.driver.AppleIntelMCEReporter 104
com.apple.driver.AppleMCCSControl 1.2.5
com.apple.driver.AppleIntelFramebufferCapri 8.2.8
com.apple.driver.AppleUSBTCKeyEventDriver 240.2
com.apple.driver.AppleUSBTCKeyboard 240.2
com.apple.driver.AppleFileSystemDriver 3.0.1
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeLZVN 1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1
com.apple.BootCache 35
com.apple.driver.XsanFilter 404
com.apple.driver.AppleUSBHub 683.4.0
com.apple.iokit.IOAHCIBlockStorage 2.6.0
com.apple.driver.AirPort.Brcm4331 700.20.22
com.apple.driver.AppleAHCIPort 3.0.5
com.apple.driver.AppleUSBEHCI 660.4.0
com.apple.driver.AppleUSBXHCI 683.4.0
com.apple.driver.AppleSmartBatteryManager 161.0.0
com.apple.driver.AppleRTC 2.0
com.apple.driver.AppleACPIButtons 2.0
com.apple.driver.AppleHPET 1.8
com.apple.driver.AppleSMBIOS 2.1
com.apple.driver.AppleACPIEC 2.0
com.apple.driver.AppleAPIC 1.7
com.apple.driver.AppleIntelCPUPowerManagementClient 217.92.1
com.apple.nke.applicationfirewall 153
com.apple.security.quarantine 3
com.apple.driver.AppleIntelCPUPowerManagement 217.92.1
com.apple.kext.triggers 1.0
com.apple.iokit.IOSCSIArchitectureModelFamily 3.6.6
com.apple.iokit.IOSerialFamily 10.0.7
com.apple.driver.DspFuncLib 2.6.3f4
com.apple.vecLib.kext 1.0.0
com.apple.iokit.IOAudioFamily 1.9.7fc2
com.apple.kext.OSvKernDSPLib 1.14
com.apple.iokit.IOBluetoothHostControllerUSBTransport 4.2.6f1
com.apple.iokit.IOSurface 91.1
com.apple.driver.IOPlatformPluginLegacy 1.0.0
com.apple.driver.AppleGraphicsControl 3.6.22
com.apple.iokit.IOBluetoothFamily 4.2.6f1
com.apple.driver.AppleBacklightExpert 1.0.4
com.apple.iokit.IONDRVSupport 2.4.1
com.apple.driver.AppleHDAController 2.6.3f4
com.apple.iokit.IOHDAFamily 2.6.3f4
com.apple.driver.AppleSMBusPCI 1.0.12d1
com.apple.driver.X86PlatformPlugin 1.0.0
com.apple.driver.AppleSMC 3.1.8
com.apple.driver.IOPlatformPluginFamily 5.7.1d6
com.apple.driver.AppleThunderboltEDMSink 2.1.3
com.apple.driver.AppleThunderboltDPOutAdapter 3.1.7
com.apple.driver.AppleSMBusController 1.0.12d1
com.apple.iokit.IOAcceleratorFamily2 98.22
com.apple.AppleGraphicsDeviceControl 3.6.22
com.apple.iokit.IOGraphicsFamily 2.4.1
com.apple.driver.AppleUSBMultitouch 240.9
com.apple.iokit.IOUSBHIDDriver 660.4.0
com.apple.driver.AppleThunderboltDPInAdapter 3.1.7
com.apple.driver.AppleThunderboltDPAdapterFamily 3.1.7
com.apple.driver.AppleThunderboltPCIDownAdapter 1.4.5
com.apple.driver.AppleUSBMergeNub 650.4.0
com.apple.driver.AppleUSBComposite 656.4.1
com.apple.driver.AppleThunderboltNHI 2.0.1
com.apple.iokit.IOThunderboltFamily 3.3.1
com.apple.iokit.IOUSBUserClient 660.4.2
com.apple.iokit.IO80211Family 640.36
com.apple.iokit.IONetworkingFamily 3.2
com.apple.iokit.IOAHCIFamily 2.6.5
com.apple.iokit.IOUSBFamily 683.4.0
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 278.11.1
com.apple.kext.AppleMatch 1.0.0d1
com.apple.security.TMSafetyNet 7
com.apple.driver.AppleKeyStore 2
com.apple.driver.DiskImages 371.1
com.apple.iokit.IOStorageFamily 1.9
com.apple.iokit.IOReportFamily 23
com.apple.driver.AppleFDEKeyStore 28.30
com.apple.driver.AppleACPIPlatform 2.0
com.apple.iokit.IOPCIFamily 2.9
com.apple.iokit.IOACPIFamily 1.4
com.apple.kec.corecrypto 1.0
com.apple.kec.pthread 1
Model: MacBookAir5,2, BootROM MBA51.00EF.B02, 2 processors, Intel Core i5, 1.8 GHz, 4 GB, SMC 2.5f9
Graphics: Intel HD Graphics 4000, Intel HD Graphics 4000, Built-In
Memory Module: BANK 0/DIMM0, 2 GB, DDR3, 1600 MHz, 0x80AD, 0x484D54333235533643465238412D50422020
Memory Module: BANK 1/DIMM0, 2 GB, DDR3, 1600 MHz, 0x80AD, 0x484D54333235533643465238412D50422020
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xE9), Broadcom BCM43xx 1.0 (5.106.98.100.22)
Bluetooth: Version 4.2.6f1 14216, 3 services, 15 devices, 0 incoming serial ports
Network Service: Wi-Fi, AirPort, en0
Serial ATA Device: APPLE SSD TS128E, 121.33 GB
USB Device: Hub
USB Device: FaceTime HD Camera (Built-in)
USB Device: Hub
USB Device: Hub
USB Device: Apple Internal Keyboard / Trackpad
USB Device: Internal Memory Card Reader
USB Device: BRCM20702 Hub
USB Device: Bluetooth USB Host Controller
Thunderbolt Bus: MacBook Air, Apple Inc., 23.4

Thanks again for your suggestions Linc.
I wanted to give an update as the issue seems to be resolved through running software update.
Since I was able to use safe boot, I downloaded the 10.9.5 Combo Update file and ran the update. Afterwards, the computer booted with no problems. If anyone is experiencing repetitive kernel traps, I hope this will solve the problem for some of you as well!

Error message during safe boot

My iMac has stopped booting, even in safe mode. When tracing the messages, the last one to appear is
mDNSresponder: Adding browse domain local
Does anyone know how I can get past this issue.
Thanks,
Harry

scrutinizer82 wrote:
in Mavericks both GB v6 and GN v.10 displayed this message when running the System in Safe Boot.
Oops, stand corrected: in Mavericks both GB v.6 and GB v.10....
GB stands for Garage Band, of course

Safe Boot , Serial ATAPI Initial device configuration did not complete successfully.2

clean install OS Snow Leopard and up to 10.6.8.
I install Mavericks & restart computer,
it goes to white screen with Apple Logo and spinny thing at bottom, then after about 2 minutes the Apple Logo changes to a grey No Entry sign.
Now I use safe boot, the message is
" Serial ATAPI Initial device configuration did not complete successfully.(failedCommandInfo = 0x1)
Still waitting for root device"
I can use Snow Leopard DVD startup & chooen 10.6.8 (Macintosh HD) start Disk.
What happen to intall Mavericks of my case? Please HELP! THANKS!
Mac Pro, Mac OS X (10.6.8)

If you want to preserve the data on the boot drive, and it's not already backed up, you must try to back up now, before you do anything else. It may or may not be possible. If you don't care about the data, you can skip this step.
There are several ways to back up a Mac that is not fully functional. You need an external hard drive to hold the backup data.
1. Boot from the Recovery partition or from a local Time Machine backup volume (option key at startup.) Launch Disk Utility and follow the instructions in this support article, under “Instructions for backing up to an external hard disk via Disk Utility.”
2. If you have access to a working Mac, and both it and the non-working Mac have FireWire or Thunderbolt ports, boot the non-working Mac in target disk mode. Use the working Mac to copy the data to another drive. This technique won't work with USB, Ethernet, Wi-Fi, or Bluetooth.
3. If the internal drive of the non-working Mac is user-replaceable, remove it and mount it in an external enclosure or drive dock. Use another Mac to copy the data.

Safe Boot

So yesterday, I turned my MacBook on and all it did was have a blank screen. I turned it off and turned it back on and still only had a blank screen, so I came on to one of these discussions and one said to try safe boot mode, and that's what I did, problem is, it's been in safe boot mode for over 24 hours. All I really want to know now is how to take it out of safe boot mode, on of my friends is an IT guy and told me thats what I had to do, problem is I don't know how to exit safe boot mode. Also my laptop only shows the apple logo and a loading sign under it.

Reinstall Lion, Mountain Lion, or Mavericks without erasing drive
Boot to the Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
Repair
When the recovery menu appears select Disk Utility. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported then click on the Repair Permissions button. When the process is completed, then quit DU and return to the main menu. Select Restart from the Apple menu.
Reinstall Mountain Lion or Mavericks
OS X Mavericks- Reinstall OS X
OS X Mountain Lion- Reinstall OS X
OS X Lion- Reinstall Mac OS X
Note: You will need an active Internet connection. I suggest using Ethernet
if possible because it is three times faster than wireless.

How do I abort Safe Boot when it is in process?

I am currently using my computer for this question. The problem is with my mother's computer. I was cleaning out the cache on her computer when my brother came along and shut it off (as a joke). When I turned it on again the Safe Boot process came up again, then about and eighth of the way through, it shut off. I have tried not prompuing the Safe Boot process, but that didn't work. I also tried taking the battery out, that didn't work. I even left it for a while. I don't know what is wrong. The computer turns on smoothly, and runs like it will be fine, but the, out of the blue, it goes black. There is no warning, and no shut off process (no wurring sounds). Please help me get it rumming again. Thank you.

Unless the drive is corrupted beyond any use, you need to try erasing it before reinstalling OS X:
Install or Reinstall Mavericks, Lion/Mountain Lion from Scratch
Be sure you backup your files to an external drive or second internal drive because the following procedure will remove everything from the hard drive.
Boot to the Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
Erase the hard drive:
1. Select Disk Utility from the main menu and click on the Continue button.
2. After DU loads select your startup volume (usually Macintosh HD) from the
      left side list. Click on the Erase tab in the DU main window.
3. Set the format type to Mac OS Extended (Journaled.) Optionally, click on
      the Security button and set the Zero Data option to one-pass. Click on
      the Erase button and wait until the process has completed.
4. Quit DU and return to the main menu.
Reinstall Lion/Mountain Lion, Mavericks: Select Reinstall Lion/Mountain Lion, Mavericks and click on the Install button.
Note: You will need an active Internet connection. I suggest using Ethernet if possible
            because it is three times faster than wireless.

Hi i am having a big trouble. MY mac wont start past the gray screen. I tried starting on safe boot, single user user mode , recovery mode. Everything it gets stuck on the gray screen i even tried reinstalling it , same thing what should i do?

MY mac wont start past the gray screen. I tried starting on safe boot, single user user mode , recovery mode. Everything it gets stuck on the gray screen i even tried reinstalling it , same thing what should i do? it lets me reinstall sometimes Sometimes.... it is weird.

orshikhfromsc,
boot from the Mac OS X Install DVD that originally came in the box with your MacBook Pro (by holding down the C key as it starts up). When the desktop appears, select Disk Utility from the Utilities menu and erase your internal disk. After it’s been erased, reformat it. After it’s been reformatted, exit Disk Utility and reïnstall the version of Mac OS X from that DVD onto your internal disk. After that version of Mac OS X has been reïnstalled, boot from your internal disk and run Software Update to get it up-to-date within that version; that should allow you to redownload and reïnstall Mavericks, if desired. If Mavericks is reïnstalled, run Software Update again to get it up to date.
If you no longer have the two grey installation DVDs, you can purchase a replacement set from either Apple or iFixit.

Safe boot in mavericks

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