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Old Jun 12, 2012, 11:02 AM   #1
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Thunderbolt Software Update 1.2 Causing Boot Failures for Some Users




Among the many software updates Apple has been pushing out associated with yesterday's keynote announcements, Thunderbolt Software Update 1.2 is a relatively minor 537 KB download offered to provide support for the company's new Thunderbolt to Gigabit Ethernet Adapter. The adapter is intended for use with Thunderbolt-equipped MacBook Air models and the new Retina MacBook Pro, which do not come with an Ethernet port built in due to their thin designs.




But as noted by TidBITS, the update seems to be causing major problems for a number of users, with some users' machines being rendered unable to boot.
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Although it's unclear if all Thunderbolt-equipped Macs are affected, a number of people have reported that installing the update causes a variety of strange boot-related problems (kernel panics, getting stuck at the gray boot screen, "Unexpected error" messages, and more). Regardless of the details, in each case, it seems that the Mac is rendered unusable, even thunderstruck. I've now heard from some people for whom the update did not cause any problems, but it's still unclear what the difference may be between those who are and are not suffering boot failures.
The report notes that the issues can be fixed by reinstalling OS X Lion, although that is certainly not a desirable step for most users to have to take. Consequently, it seems advisable for users to avoid installing this update until the cause of the issues can be identified and Apple can introduce a revised version of the software.

Article Link: Thunderbolt Software Update 1.2 Causing Boot Failures for Some Users
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Old Jun 12, 2012, 11:05 AM   #2
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Count me in this camp with an early 2011 MBP. KP on boot.
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Old Jun 12, 2012, 11:06 AM   #3
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It just works.
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Old Jun 12, 2012, 11:07 AM   #4
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Late 2011 MBP is OK. I had already downloaded it when I saw this article and I was praying on the reboot lol.
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Old Jun 12, 2012, 11:07 AM   #5
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Originally Posted by Dagless View Post
It just works.
bring back plug and pray




I think I'll pass updating my 2011 MBA at the moment.
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Old Jun 12, 2012, 11:08 AM   #6
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No issues here. OS X Lion 10.7.4 on Early 2011 13" MBP.
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Old Jun 12, 2012, 11:09 AM   #7
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Absolutely fine. MacBook air 2011
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Old Jun 12, 2012, 11:10 AM   #8
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Quote:
Originally Posted by Dagless View Post
It just works.
Lose a port, gain a crash. Seems like a fair swap to me.
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Old Jun 12, 2012, 11:10 AM   #9
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Had a kernel panic sometime last night/ this morning on my Mid 2011 iMac.
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Old Jun 12, 2012, 11:10 AM   #10
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I think I'll avoid this update for now. I'm glad this was spotted before I heard about the update.
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Old Jun 12, 2012, 11:11 AM   #11
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Fine for me on both early 2011 MBP and 2011 Mac mini.
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Old Jun 12, 2012, 11:12 AM   #12
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Thank You!

Thank You Macrumors.com for this timely warning.
It's good to know you are watching out for us.
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Old Jun 12, 2012, 11:12 AM   #13
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Originally Posted by MacRumorUser View Post
I think I'll pass updating my 2011 MBA at the moment.
I'm still using my 2006 White MacBook. Doesn't even support OS X Lion, which I think is actually a feature.
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Old Jun 12, 2012, 11:13 AM   #14
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No problems on my mid-2011 iMac.
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Old Jun 12, 2012, 11:13 AM   #15
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mid 2011 imac ok for me
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Old Jun 12, 2012, 11:16 AM   #16
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not really helping, but never update instantly

be patient
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Old Jun 12, 2012, 11:17 AM   #17
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Given the sporadic reports I suspect we'll find it's a conflict with some other software that only some people have. I remember there was some bug a few years back that erased external hard drives, but it only happened with people who had a specific Logitech mouse driver on their Mac.

Makes it really hard to nail down the problem.
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Old Jun 12, 2012, 11:19 AM   #18
vetman35
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No problems here. Early 2011 MBP17 w/Intel 600GB 320 SSD.
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Old Jun 12, 2012, 11:20 AM   #19
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Early 2011 17" MB Pro. No issues. 10.7.4.
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Old Jun 12, 2012, 11:20 AM   #20
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Quote:
Originally Posted by SmileyBlast! View Post
Thank You Macrumors.com for this timely warning.
It's good to know you are watching out for us.
agree, ill sit this one out aswell.
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Old Jun 12, 2012, 11:21 AM   #21
bakerzdosen
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Hit me...

I'm one of the unlucky ones I suppose. I've posted this in a few other places, but yeah, yesterday afternoon shortly after it was released, it popped up as an available update. I was going to be away from my computer (MacBookPro8,2, 2.2GHz quad core 8GB), so I figured I'd run the two updates (this one and iPhoto) while I was gone.

I came back to a single dialog box that said that the update couldn't be applied. I rebooted the machine (hitting OK simply removed the dialog box but didn't reboot on its own for at least 5 minutes) and got the "driver not found" kernel panic on the next (and 3 other) attempt to boot.

The only thing I found that worked was re-installing Lion (hold the option key on boot to select the recovery drive.)

For the record, I had an external monitor hooked up to the Thunderbolt port while running the update - if that's applicable.
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Old Jun 12, 2012, 11:21 AM   #22
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Re-Install Lion

I downloaded this update last night. My 2011 MacBook Pro 17" running Lion would not reboot and would not install update. Had to shut down and re-install LION. All is fine now. But I won't be trying to download this Thunderbolt up-date again.

Last edited by CaymanDiver2012; Jun 12, 2012 at 11:42 AM. Reason: Add info
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Old Jun 12, 2012, 11:22 AM   #23
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Happened to me last night. Macs don't crash though, its a feature. j/k

But yeah I will avoid this update for awhile, I forget to wait sometimes and just update anyway. I lost my kernel panic virginity YAY!

Early 2011 MBP here.
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Old Jun 12, 2012, 11:23 AM   #24
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Wow, I just ran software update and saw this.

Thanks for the heads up!
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Old Jun 12, 2012, 11:23 AM   #25
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