I updated my MacBook Pro 3,1 (late 2007) from 10.6.7 to 10.6.8, and when the update was completed, any time any USB device was plugged in to either USB port, there was an instant kernel panic. I checked carefully to confirm that this also happened after booting into Safe Mode to disable any extensions or login items. So I had no choice but to revert to 10.6.7 and apply a few updates and patches short of 10.6.8. I'm writing this to report this bug to Apple. I hope they address this issue. If anybody can tell me how to access the correct system log recording the kernel panics and submit it to Apple, I'd be willing to do that.
Python 3.3 interpreter should be in the same Directory as python. You just have to A) Change the symbolic link (Not the best choice). B) make a new link that points to python 3 or C) you can use IDLE. IDLE is an ok IDE with a CMD line interface. But its nice because all you have to do is run IDLE and not have to make links or anything. For that reason we strongly suggest that you install a fresh version of Python and use that as the basis for installing libraries such as NumPy and Matplotlib. One convenient way to install Matplotlib with other useful Python software is to use one of the excellent Python scientific software collections that are now available.
CMCSK: Thanks for the link, but you provided no further instructions, such as exactly WHERE to report the problem. So for now I'm just going to post the information right here.
MacBook Pro 15-inch, 3,1, Core 2 Duo 2.2GHz, 6GB RAM, 500GB hard drive with about 300GB free. Main hard drive is Hitachi HTS725050A9A364: Capacity:500.11 GB (500,107,862,016 bytes) S.M.A.R.T. Status:Verified Boots up normally with no perpherals attached, but crashes the instant that anything is plugged into any USB port. Here are two kernel panic logs. Anonymous UUID: BF74836E-B8BC-48E9-96CA-0BA9705D26A5 Fri Jun 24 01: panic(cpu 1 caller 0x5054a6): 'OSCollection::RESERVEDOSCollection6 called.'
I am running VMWare Fusion to run Windows 7 in a virtual machine. That might have some effect on drivers loaded at startup. All of these observations you guys have made are valid, but upsetting.
I have some third-party drivers. I use a Matias third-party mouse and keyboard, because I've been a Mac user since 1987 and I never have liked Apple mice or keyboards. I have always use third-party mice and keyboards since about 1995. On this MacBook Pro, I've run Tiger, Leopard and Snow Leopard, every single update version, and up through 10.6.7, I never encountered any conflicts or kernel panics from USB peripherals. Now Apple comes out with 10.6.8 and all of a sudden it seems like a third-party mouse or keyboard causes an instant kernel panic. This must mean that Apple has introduced an incompatibility. I can only hope that Apple is aware of this and will investigate the incompatibilities that they have introduced, and that they will issue a patch that corrects them.
But since 10.6.8 is widely regarded as the 'last' update until Lion, perhaps I will simply never update this MacBook Pro beyond 10.6.7. I will also report this to the Matias company and see if they know about it. Well, you haven't ruled any of the extensions out, yet. It may not be the extensions for the keyboard and mouse. There's a whole lot more there than just the keyboard and mouse drivers. You should uninstall them all and only install one at a time. Who knows, maybe reinstalling each one will fix the problem.
Just because things break when a new update is released doesn't mean Apple did something wrong. The company making the driver may have been doing something wrong the whole time, but it was never an issue until now. If the driver was taking a shortcut and accessing some memory location directly instead of issuing a call to the API, and now Apple changed the memory location, the driver is going to break and likely take the system with it. Apple likely won't know anything about it unless you tell them. We don't have anything to do with reporting bugs.
We just try to help the best we can. Barney: Thanks for the technical details in your explanation. Because damarkian reports that he also gets an instant kernel panic with 10.6.8 when plugging in a third-party USB mouse, or even a third-party Bluetooth mouse, I think that's an indication that there may be a clear cause-and-effect going on. As far as I know, my Matias (OEM Pixart) USB mouse is fully class-compliant. I am certain that it does not use any third-party driver whatsoever.
I'm an Apple-certified tech support technician so I appreciate what you say about all the various drivers that might be contributing to the problem, and the need to carefully troubleshoot one at a time. However, for me, I already spent several hours reverting from 10.6.8 to 10.6.7.
This included downloading all the necessary stuff, re-installing 10.6.0 from my install DVD, running the 1.25GB 10.6.7 update combo installer, then manually downloading and re-installing Safari, iTunes, and various Apple updates short of 10.6.8, so I am not inclined to give the 10.6.8 updater another try at this moment. I suspect Apple has erred, and hope that bug fixes will be forthcoming. I have also reported this to the Matias keyboard and mouse company, and I will await to hear what they have to say on the matter. Thanks again to you all!
Reverting to an earlier version, assuming you didn't make a backup before you updated to the new version, is a multi-step process that takes many hours and a lot of waiting. First you get your original Mac OS X 10.6 Snow Leopard installer DVD. Boot from it and install a completely new copy of 10.6.0 on your main hard drive, over your existing Mac OS installation. This reverts you from 10.6.8 to 10.6.0, but you'll want to then update to 10.6.7. Then go to apple.com to the support section, find the Mac OS X 10.6.7 Update Combo installer (1.12GB in size), download it, and run it and install it. Then run Software Update and install anything that it offers you other than the 10.6.8 updater.
This may take several iterations of running Software Update, selecting and installing things, rebooting, and running Software Update again, etc. In my case I also discovered that I was left with 10.6.7 but an older version of Safari and iTunes, and an out-of-date version of Adobe Flash Player, so I had to separately download the latest versions of those and install them also.
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