Kextcache related reboots on startup with FileVault2?

I've been encountering some weirdness over the past week or so...and I'd like to see if anyone else had experienced something similar (and maybe has a solution) or if this may be indicative of a bug of some sort.
First, the basics: MacBook Pro 6,2, i7 processor, 8GB RAM, OS X 10.7.1, Filevault2 enabled.
The problem - whenever I boot from a cold start (and occasionally on a restart, but not normally) the system will begin the boot process and then reboot partway through. At every occurance, the boot messages (I boot in verbose mode) immediately before the reboot are the same and always related to the kext cahes, as in the following representative extract from the logs:
12-09-11 7:23:05.411 PM com.apple.kextcache: rebuilding /System/Library/Caches/com.apple.kext.caches/Startup/kernelcache
12-09-11 7:23:06.292 PM com.apple.kextcache: JMicronATA.kext does not declare a kernel dependency; using com.apple.kernel.6.0.
12-09-11 7:23:06.581 PM com.apple.kextcache: JMicronATA.kext does not declare a kernel dependency; using com.apple.kernel.6.0.
12-09-11 7:23:06.862 PM com.apple.kextcache: JMicronATA.kext does not declare a kernel dependency; using com.apple.kernel.6.0.
12-09-11 7:23:28.868 PM com.apple.kextcache: Created prelinked kernel //System/Library/Caches/com.apple.kext.caches/Startup/kernelcache.
12-09-11 7:23:28.910 PM com.apple.kextcache: /System/Library/Caches/com.apple.kext.caches/Startup/kernelcache out of date.
12-09-11 7:23:29.205 PM fseventsd: Logging disabled completely for device:1: /Volumes/Recovery HD
12-09-11 7:23:30.350 PM com.apple.kextcache: Successfully updated helper partition disk0s3.
After the reboot, everything proceeds normally and the boot process completes successfully.
I have rebuilt the entire OS from scratch and this still occurs. I have also, in order to test alternative configurations, tried booting from a cloned backup. The only difference between the cloned backup and the internal drive of the MBP is that the internal drive is encrypted with FileVault and the clone isn't. The clone boots cleanly every time, from both a cold start and a restart.
In summary, the problem seems to be almost uniquely an issue when cold booting from an encrypted disk. I'm at a loss to explain it.
So, has anyone else stumbled across this problem, or something similar?

Hmm.
I also recently upgraded to Parallels 7. However, I upgraded from the Parallels 7 Beta, where I had no issues, so I'm not inclined to think that Parallels is the problem (but I won't rule it out either).
After some explorartion on the Console logs of the other computers in the house (an older MacBook Pro 4,1 and an iMac 10,1) it seems that my laptop is the only one affected. And the only one running FileVault2 (and, unfortunately, the only one running Parallels which means I can't conclusively rule it out as the culprit...). In all three cases, JMicronATA.kext is of the same version and has the same date stamp - which seems to rule out that particular kext as the problem.
I'm wondering if the FileVault encryption is somehow interfering with the way IOKit builds the device tree at boot time...I'm fairly certain that JMicronATA.kext controls the IDE bus - which in my case means the DVD drive...unfortunately, I don't know enough about that part of the boot process to make anything more than uneducated guesses. Which isn't really even good enough to file a bug report...

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Not all users are displayed for log on after a reboot or startup...

Problem summary: Not all users are displayed for log on after a reboot or startup...
This problem only occurs after a fresh start-up or restart. The only users displayed are the initial (admin user) and "Guest". Two other (non-admin) users are not shown for log on.
To work around this problem and get them to log on we have to log on as the admin user, then we can see the other users in the Fast User Switching menu (top right-hand corner of the screen), listed under the current logged on user. After selecting the non-admin user we can log in and use the laptop as normal.
If we lock the screen, use fast user switching or log out all users; all users are available for log in, until a reboot is done; at which point the non-admin users disappear again and we have to log in as the admin user and use fast user switching again.
The laptops are both brand new MacBook Airs. The initial configuration of Mac OS X Yosemite was done using the Apple ID of the purchaser (parent) and then the OS was patched, immediately, through the App store (no further updates available as of the date of this posting). After this Family Sharing was activated and new users set up for the two children who will be using these laptops.
Has anybody else experienced this problem with Yosemite?
Cheers,
David.

David,
Users not enabled for FileVault unlock are only able to log into the computer after an unlock-enabled user has started or unlocked the drive. Once unlocked, the drive remains unlocked and available to all users, until the computer is restarted.
FileVault has to be On.
To Enable the users to be able to unlock FileVault Go to:
System Preferences > Security & Privacy > FileVault ( Tab ) > Click the Lock in the bottom left > Put in your administrator password > Should see an option to Enable Users > Enable User.
Hope that helps,
Weston
Supporting Articles,
OS X: About FileVault 2 - Apple Support

BLACK SCREEN startup with 3 beeps, FREEZES when unplugged, Splash screen freeze, HEAT-UP TO BOOT

BLACK SCREEN startup with 3 beeps, FREEZES when power unplugged, IF IT BOOTS splash screen freezes, OVERHEATING REQUIRED TO BOOT - 0x7B, Event 41 kernel-powe
Issue: One day I unplug the power, the screen freezes and I get frozen music sound. I shut down, start up, I get 3 beeps (1 short 2 long), which indicates a Video failure according to the Thinkpad Laptop beep code list.
How I solve the issue day-to-day: I turn the heat up - I disconnect the battery and hard drive and plug in the power then turn it on. I will wait until the underneath is searing hot with a blanket blocking the fan's flow of air, I mean way hot because any cooler and it won't start. Plug stuff back in, Hard drive first, Battery second, turn off with power button hold, unplug power, replug power.
I turn it on, no beeps, it goes past the first Lenovo screen, then gives me a prompt because it "didn't shut down properly" and continue regular startup. What happens next is the Windows logo appears, and just as the animated windows logo starts to move (you see 2 small colored dots on the screen), it freezes. I see this every time, I know naturally that it means that the laptop is still too hot to go past that point, so I shut it down and try again. After about 5 - 10 tries it will go past the splash screen and into the login area, then it's all fine.
Sometimes when I unplug the power from the back by accident it will freeze. By accident I mean that the connector wiggles it's self out easily. This unplug freezing thing started happening about 1 week before the 3 beep black screen problem started rolling, so I'm putting 2 together.
Errors:
I got a Blue Screen of Death the first time I started it up with the overheating ritual, but I never got it since. It was 0X7B. I ended up changing a setting in BIOS from AHCI to Compatibility Mode, and I passed everything without the BSOD again. I have always had it on AHCI.
I got another Blue Screen of Death about a week ago, but came as it was on already and I had been using it, and said something about disabling Cache or Shadowing in BIOS. I never got it since.
BIOS:
Also, the time was set to 1988 or something in the BIOS.
Event Viewer events found:
1. Kernel-Power, Summary page.
There are critical events for a few things like Kernel-Power, Event ID 41, Task Category (63). There are 19 of them, each day 1 or 2 of them but mostly 1, so this maybe corresponds to my daily ritual.
"The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly."
2. Kernel-Processor-Power - Event ID 37, task category (7)
"The speed of processor 1 in group 0 is being limited by system firmware. The processor has been in this reduced performance state for 71 seconds since the last report."
3. LMS - HCMI - Event ID 2, Task Category: none
"LMS Service cannot connect to HECI driver".
I came across a very sluggish performing control panel for Nvidia before and after this problem, and I tried installing a newer version, which I had to jump through a few hoops to do, like uninstalling first, not just updating. At first it said that the driver wasnt made for the system, or that it wasnt compatible or something, which was wrong. I made it work somehow, but it was still sluggish after install. I rolled it back to an earlier driver, and now it works fine oddly. No sluggish performance / slight freeze window thing going on. No problem at all.
MSCONFIG.exe, Boot Advanced Options: I have tried twice to change this 1 setting, check box "Number of processors" and change to 2 processors, because I do have 2 processors. I have been able to change this in the past, but it does not save the setting now, and I believe this option was selected before I started having problems, and settings did not disappear then.
What could this be. The small round BIOS battery? The video card like everyone presumes? (I.E. the entire motherboard replacement), Software? The wiggly power input area? (Not enough power getting in?), Firmware of some sort? The BIOS software being wrong?
SYSTEM INFO:
Thinkpad T61p 6457-A24, Intel core 2 duo (T7700) 2.4GHz, Intel 120GB SSD 6Gb/s, NVIDIA Quadro FX 570M (256 MB),
Windows 7 64 bit Home Premium (6.1, Build 7601), BIOS Ver 1.00PARTTBLx
Display: 1680 x 1050 (32 bit 60 Hz), Integrated RAMDAC, Main driver: nvd3dumx.dll,nvwgf2umx,nvwgf2,
Version 8.17.12.9688, Date 5/31/2012, DDI version 10, Driver model WDDM 1.1

T61-Elwood wrote:
Laptops of all Brands using Nvidia GPUsmade from 2007-2008 are faulty.
You wont get good Nvidia ones on Ebay/forumes anywhere.
I'd beg to differ on both accounts.
*61 series nVidia-based ThinkPads from late January through July of 2008 are a 50/50 shot, since the old chips were mixed with the new ones. Any machine built in August and later can be deemed "safe".
As for the forums (I don't do feebay) there are people who sell genuine, properly-tested planars. However, these do not come at bargain basement prices, and with a good reason if I may add.
Good luck.
Cheers,
George
In daily use: R60F, R500F, T61, T410
Collecting dust: T60
Enjoying retirement: A31p, T42p,
Non-ThinkPads: Panasonic CF-31 & CF-52, HP 8760W
Starting Thursday, 08/14/2014 I'll be away from the forums until further notice. Please do NOT send private messages since I won't be able to read them. Thank you.

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Hello all,
I have a Power mac G4 - mirrored drive door model. 512mb of RAM; 833mghz - about 50+ gigabytes of storage remaining.
I recently starting using this mac again, here is what happened:
Power mac G4 was running 10.2.1 - had never been updated; it also was capable of running classic os9 (even though I never used it)
Started using machine again a few weeks ago; let "software update" install 10.2.8 update - everything worked fine
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Did a hard reset / power down of the power mac G4
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Here's what I have done so far:
Placed power mac G4 into target disk mode again in conjunction with macbook pro
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Started computer in single-user mode
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"/System/Library/CoreServices/loginwindow.app/Contents/MacOs/loginwindow: kCGErrorFailure: CGSNewConnection"
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Sorry, SU Single User Mode, OF Open Firmware as these 2 where mentioned before.
As a test, let's try disconnecting the HD & see if it booys to any mode without it attached.
It could be the User's files or login messed up, if you want to try something a little more desperate...
Reset OS X Password Without an OS X CD...
http://theappleblog.com/2008/06/22/reset-os-x-password-without-an-os-x-cd/
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When I startup from Disk Warrior v4.4, it does not find my internal drive to do any repairs.
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It's a false report and should be ignored.
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I really think the Rigid Disk Block may be corrupted. This holds the partition map and could prevent a volume from being unmounted. Unfortunately, there is no way to fix that without repartitioning the drive which will remove everything. So, before going down this road I hope you have backups or can make a backup.
Drive Partition and Format
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Hi Gurus!!!!
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With regards
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Hi,
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Regards,
JLN

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Hello Sandra,
We have finished with SPAU. Regarding LMEPOF8D include, we kept with the ECC6 standard code. Therefore, from a point of view of code, it should be ok. However, we have this sintax error.
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Best Regards,
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Kextcache related reboots on startup with FileVault2?

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