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Unlockupd works around a bug in lookupd, a system service which is required for proper operation of Mac OS X. If lookupd fails, the system quickly becomes unusable. Unlockupd periodically checks lookupd's status and forces it to restart should it fail.

WARNING: Although Unlockupd has undergone a significant amount of testing with no reported problems, this software should still be considered beta-quality. It is only being made available now since the cat snuck out of the bag on the darwin-dev mailing list.

Technical Details - Lookupd is the lookup and caching daemon responsible for handling NetInfo, DNS, and other such more...

What's New

If you have already installed Unlockupd 1.0b1, you do not need to install 1.0. The only difference is that the 1.0 download also includes documentation.

Requirements

Mac OS X 10.3 or later

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Unlockupd User Discussion

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Anonymous Member IconReview
Anonymous
+0

Does anybody know if this Problem is fixed in OSX 10.4.3.?

Reply3 replies
Version 1.0
Anonymous Member Icon
Anonymous
+0

Not as yet. I have installed Tiger Server 10.4.3 and while the locks don't happen as frequently, they do still occur.

Lechter
+0

This saved my behind. I was with Apple Tech Support "Senior" and they were telling me to format my drive. Unlockupd fixed it all right away!!!

dmp6
+0

Any idea if 10.4.4 fixes the problem at last?

Kballard Member IconComment-1
Kballard
+0

The explanation here isn't matching the issues I'm having with lookupd. Twice now I've had Safari simply stop being able to load web pages. No apps hang, just Safari is sitting there trying to contact the site and never going anywhere. When I unplug my ethernet cable I suddenly get a crash reporter dialog for lookupd, and plugging back in my ethernet cable allows Safari to function once again.

Will this program help with this issue, or is this something completely unrelated?

Reply1 reply
Version 1.0
Anonymous Member Icon
Anonymous
+0

It probably will help, but it's all academic... until you try it.

Anonymous Member IconReview
Anonymous
+0

It would be great if the pkg would also act as an uninstaller rather than requiring terminal commands.

Considering its relative simplicity, it would also be nice if the pkg displayed a button to display the ReadMe inside the installer itself.

Reply1 reply
Version 1.0
Sören Kuklau
+0

Apple's Installer does not currently have uninstallation hook-ins, which is why they use a .command instead.

The readme, on the other hand, could indeed have been added.

Anonymous Member IconReview
Anonymous
+0

Don't worry about Apple getting around to fixing this, as iTunes takes precedence in their software development. Ever seen iTunes lockup? And you wouldn't. You'll have to learn to live with patches like this until the next software update for the system comes out...whenever that is.

Reply2 replies
Version 1.0
Anonymous Member Icon
Anonymous
+0

You are so full of it. And just how do you know about Apple's priorities? Or are you conjuring reality up from your own imagination?

BTW, A lot of people do not have any problems related to this lookupd issue, I don't. And the Macs that I provide support for don't either.

Anonymous Member Icon
Anonymous
+0

Oh come on. Your logic doesn't make sense. If this lookupd bug occurs, then iTunes won't be accessible, therefore Apple must fix the lookupd bug just so customers can use iTunes, right? So even by your logic, Apple will have to fix this bug.

Anonymous Member IconReview
Anonymous
+0

Wow... I have been trying to figure out my occasional lockups and here is a feasible reason with solution.

Thanks for helping to take care of a moderate and occasional issue that has harassed me to no end.

Reply0 replies
Version 1.0b1
Anonymous Member IconReview
Anonymous
+0

Just had this lookupd crash happen to me this morning. Entire system went unresponsive. Couldn't get a Terminal, nor an SSH connection. It seems that turning off the network connection (unplugging the Ethernet cable) managed to unblock whatever that was going on, and at least I got a crash log out of it.

Sure enough, the crash logs implicate the lookupd thread that handles caches.

I'm irritated that the only workaround for this is having a daemon periodically kill lookupd, but my thanks to the author for thinking of this temporary solution.

Come on Apple. Fix the problem already.

Reply0 replies
Version 1.0b1
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Details

Downloads 4,536
Version Downloads 3,064
Type Utilities / System
License Free
Date 26 Sep 2005
Platform OS X / PPC 32
Price Free
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