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#OS X YOSEMITE 10.10.2 BOOTABLE USB PRO#
#OS X YOSEMITE 10.10.2 BOOTABLE USB MAC#

I still saw the problem on occasion in 10.10.1, but much less frequently.

The recurring addition of new log files in /private/var/log/asl/ involving the sandboxd process was much worse in the early build of OS X 10.10.2 that I had been testing as part of my involvement in the AppleSeed program than in the official 10.10.1 release.

The interruptions when scrolling down a Finder window with the contents of the /System/Library/Extensions/ folder only occurred with the Magic Mouse, and not with the old wired Apple Mouse, so it was a Magic Mouse-specific issue, probably unrelated to other responsiveness issues in Yosemite.

In addition, through additional tests of my own, I was able to establish the following:

The lack of responsiveness of various UI controls, including menu headings and buttons for pop-up menus, didn’t exist in Mavericks.

The recurring addition of new log files in /private/var/log/asl/ involving the sandboxd process didn’t seem to occur in Mavericks.

The interruptions when scrolling down a Finder window with the contents of the /System/Library/Extensions/ folder with the Magic Mouse did also occur in Mavericks, so it wasn’t a new problem in Yosemite, just one that I had not noticed before.

There was no problem with drawing the blue highlighting behind the “ Help” menu heading in the menu bar in Mavericks.

With my Mavericks partition, I was above to confirm the following:

#OS X YOSEMITE 10.10.2 BOOTABLE USB MAC#

(Ben wanted me to use Internet Restore for this, which would have neutralized my Mac for the duration of the download, i.e. This took me a while, because of course I had to redownload the Mavericks installer from the App Store and create a bootable USB volume with it.

#OS X YOSEMITE 10.10.2 BOOTABLE USB PRO#

However, before referring the issue to engineering, he wanted me to try one other thing, which was to reinstall Mavericks (the OS that the Mac Pro came with) on a separate partition and to check if I could reproduce my issues there. However, to his credit, he promptly put me in touch with a senior advisor, whose name was Ben.īen was very nice to me on the phone and he too agreed that the problem sounded real and was not normal for a powerful machine such as my 2014 Mac Pro. On November 28, I called AppleCare again and talked to a man who seemed much less interested in my problem than Justin had been a few days before. I also mentioned that I had talked to someone (named Justin) at AppleCare, who had promised to escalate the issue if I couldn’t solve it with the usual troubleshooting steps. and, last but not least, recurring lack of responsiveness of various UI controls, including menu headings and buttons for pop-up menus.recurring addition of new log files in /private/var/log/asl/ involving the sandboxd process.interruptions when scrolling down a Finder window with a long list of files (namely, the /System/Library/Extensions/ folder, which contains over 200.visibly slow drawing of the blue highlighting behind the “ Help” menu heading in the menu bar.Last week I reported about noticeable responsiveness issues that I was experiencing with OS X 10.10.1 (Yosemite) on my 2014 Mac Pro: