2
votes
1answer
266 views

why does my Mac keep crashing?

(I will have to do this fast, since I think my mac will crash again.) My Mac keeps crashing. It started happening since I installed Adobe Acrobat Pro (since then I have removed it), but it might be ...
0
votes
0answers
62 views

OS X MCP_ELPG_VCORE_STS_SATA_POWERED_UP never reached! error

I'm using a macbook air and it keeps shutting itself down in the middle of usage and brings the following error Anonymous UUID: 3B35044A-64F2-3EA5-3C7B-5C908E62F2F6 Mon Mar 17 23:52:31 2014 ...
1
vote
0answers
701 views

What does this mean: considerRebuildOfPrelinkedKernel prebuild rebuild has expired

A line I accidentally spotted in system.log on MacOS X 10.9.1 when I connected an external USB webcam for the first time ever.... Subsequent connects to the usb port did not produce this message ...
0
votes
1answer
84 views

Why is my Mac contacting Romania?

I just used Onyx to clean out my caches and log files after which I did a reboot. Browsing the "All Messages" panel of the Console app I noticed this line: 10/27/13 3:38:03.000 PM kernel: ...
2
votes
3answers
5k views

Macbook freezes, console printing kernel: disk0s2 I/O error

Yesterday I've closed my mac, opened it today and experienced horrible performance slowdown, beachball, and eventually a freeze. After several reboots I managed to close most of my applications but ...
2
votes
1answer
1k views

Mac - per-kext memory extension, aka which kext is leaky?

I am having trouble with some of the kernel extensions I am running as after a day or two of use, the memory usage of kernel_task grows to 1.2GB and stays there all the time. The problem is that I ...
1
vote
3answers
2k views

13" MacBook Pro gets daily kernel panics

My software is OS X Lion 10.7.4 and I've reinstalled it 4 or 5 times to try to solve the kernel panic problems. It's better now, but still unstable. It's a Core i7 2.8 GHz (dual core) with 8 GB RAM ...
1
vote
1answer
10k views

Safe to delete /System/Library/Caches/com.apple.kext.caches?

On a Snow Leopard machine, is it safe to delete the contents of the /System/Library/Caches/com.apple.kext.caches/ directory? In install logs, it is seemingly the cause of a failed install of a kernel ...
3
votes
2answers
4k views

Macbook Pro Kernel IO errors - Freezes, Extremely slow Boot

Having kernel IO errors in the console, extremely slow boots, and reproducible freezes. Tech Specs: Macbook Pro Early 2008 4 GB ram 500 GB Seagate Momentus XT HDD/SSD hybrid drive (installed late ...
2
votes
4answers
177 views

24" iMac Kernal Panics when booting anything OS X related

I have an Imac which suddenly started giving me Kernal Panics every time it boots. I suspected a hardware issue so ran a hardware test and that found no issues. I tried booting off another hard drive, ...
0
votes
1answer
116 views

What piece of hardware is responsible for booting a Mac from the g3 state after a power failure?

In terms of the ACPI the g3 state is a mechanical off, but the mac mini has the ability to boot when it senses the power returned. I am trying to put the system in this state after every power down so ...
1
vote
2answers
2k views

How to force Mac to into dirty shutdown state on every power off?

As Far as I can tell no one has actually solved this debacle. How do you get a mac mini to power on every time the UPS it is connected to restores power? It is easy enough to have the UPS communicate ...
6
votes
2answers
908 views

Is there any benefit to running OSX (Snow Leopard) in 64 bit mode?

I know I can force it to boot into 64-bit kernel by holding down the 6 and 4 keys during the boot process. I also know that some extensions still don't run in 64-bit mode. So the question is what ...
0
votes
1answer
77 views

Audio Device access on Mac

I have a device (Lynx) which can take audio from 8 mice and saves the files into my machine using graph edit. In windows they provide driver and I can access mice and can save files. I want to do the ...
8
votes
6answers
10k views

Why does my Mac OS X 10.6 kernel run in 32-bit mode?

I have a MacBook Pro (5,1) with 4GB of memory running 10A432 - but it's running the 32-bit kernel. Any ideas why it wouldn't be running in 64-bit mode, and how I can get it to do so?