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Normal USB usage causes Yosemite to Freeze

Since 10.10 and 10.10.1 Yosemite has been freezing me out of the OS on my 2014 Retina MBP.


It happens regularly when a new USB device is plugged in, or when an already plugged in device has an alteration in it's state of power. The result is that all mouse and keyboard input is impaired/frozen. This includes the trackpad, built in keyboard and external mouse. No amount of plugging and unplugging restores access to the computer. The system still seems to be running as the odd email notification will come up, and once I had a large folder of files copying that seemed to finish. To restore use, I need to force restart.


Other times, plugging in or removing (gracefully) a USB device will interrupt audio playing through my USB sound card, which goes silent for a second, or squeals at a speaker/ear piercing 10,000 Hz. This, and with Ableton live 9 freezing itself every 5 minutes makes using this thing for audio production completely useless.


The triggers so far have been...


  • Switching my Remote SL midi keyboard off and on again
  • Switching my Motu Mk3 Ultralight on or off
  • Switching my DN-MC6000 on or off
  • Unplugging all of the above directly from the USB port (i.e. hot swap)


Note: I have tried plugging in to my Dlink USB2 hub and also directly into the MBP. The Dlink has been very stable in the past, although audio equipment, and many other USB devices seem to prefer being plugged in to the root port. It's ironic that Apple applies form over function when it comes to the number of USB ports provided, yet seems so unstable when an external hub is used.


Note that the laptop came with Mavericks, and one of the first things I did before installing anything else was accept the Yosemite upgrade. So technically it's not a clean install. But there should have been very little in the way of system files that needed to make the transition.

MacBook Pro (Retina, 15-inch, Mid 2014), OS X Yosemite (10.10.1)

Posted on Nov 28, 2014 12:09 PM

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33 replies

Aug 20, 2015 8:37 AM in response to midi10110

I am also encountering this with my MacBookPro11,5 running 10.10.5. I've tried to narrow down what causes the mouse and keyboard to stop responding however there doesn't appear to be any pattern I can duplicate. This occurs with any and all of the following randomly USB Thumb Drives, my Logitech wireless mouse, a wired mouse, having a hub connected (or not) and having the USB power for my GeChic On-Lap connected (or not).


It seems so device non-specific that I just had it occur with a thumb drive, freezing my mouse and keyboard, and after unplugging the drive and reconnecting it all is fine and the drive is mounted.


Frustrating when getting to a meeting, and connecting a mouse or drive and having the computer "hang" while I mess around plugging and unplugging.

Oct 20, 2015 1:53 PM in response to mikefromsudbury

Finally found this thread! My mind-2015 15" MBP has been freezing like this. I use a USB2 hub for my Apple wired keyboard and a Logitech mouse, just like OP. Never had a problem with my previous 2011 MBP using Yosemite. It seems like the problem is with the Retina MBPs maybe. This is so so bad. I too use the MBP for music production, using Logic. And at this rate this thing doesn't give me any confidence to do any serious work on.


All input devices freeze, but for me it seems like OSX freezes too but not sure. Tonight it started with Safari hanging first. Then went keyboard and mouse, internal and external. I kept my USH hub disconnected for few days and this didn't happen then. Connected it back couple of days ago and this happens again.


No idea exactly when it happens. I'm connecting disconnecting external drives now and then, everything works ok. Freeze happens when I'm not even plugging or unplugging anything at all.


I was thinking Apple made USB3 port not fully compatible with USB2 hubs/devices. But OP later said it happens with USB3 hub. So now even that doesn't make sense. I guess I'm going to call apple before 3 months phone support ends. But doubt they can help.


Will returning this and getting another MPB help? Especially if its hardware related?

Sep 23, 2015 6:06 AM in response to samhaque

You should look at the Console and see what messages appear at the time this freeze occurs. I am betting on some incompatible driver, but I have no evidence.

The Console is in /Applications/Utilities, or you can simply cmd-space and start typing Console.


FWIW I regularly plug and unplug several USB2 and USB3 devices to my rMBP every day and have never experienced this problem.

Sep 23, 2015 4:56 PM in response to Luis Sequeira1

Alrighty here it is. https://codedump.io/share/7shOQ4bLHfOI/1


Used a code dump site instead. (forgot the one that is more popular, Google gave me this one).


Hang happened at 7:35 AM. Before that the first problem that occurred was internet not working, so I tried to disable and enable WiFi several times. I didn't include every attempt. After that Crome and Safari froze with the beachball showing. And soon all mouse keyboard trackpad stopped working. Looks like the system itself froze since there are not log entries since "Saved Hang Report" entries for Chrome and Safari. These show as attached .hang files and they are HUGE.


After all that you can see the BOOT entry as the last line, where I had to do a hard reboot holding down the power button. It wasn't working at first, then I disconnected all USB and external HDMI monitor, even MagSafe. Then it worked.

Sep 27, 2015 7:06 PM in response to square_eyes

Just to add another bit of data here.


I just experienced this on my MacBook Pro (Retina, 13-inch, Mid 2014) with 10.10.5.


The keyboard and trackpad were absolutely unresponsive, although the keyboard backlight turned on and off when the system was put to sleep and reawakened by a lid close/open. Command-alt-power (momentary) triggered a reload of the login screen, so clearly some signals were getting processed from the keyboard. I had been using the system with no external devices plugged in and had not changed my usage pattern at all when it struck.


When I plugged in an external USB keyboard and mouse, the system was 100% fully functional, with the exception of the "e" key. It, in turn, behaved as if I were holding down the "e" key (giving me a selection of accents to add to it). No other key behaved this way, and the keyboard did not behave in this manner when plugged into a different computer (Mac Mini in this case).


My surmise from this is that somehow the primary input driver for the built-in keyboard and trackpad crashed or became out of sync with the system, with the system stuck in "e key down," somehow overriding all other keystrokes except those which triggered low-level system events (like command-alt-power).


For what it's worth, using the external keyboard, I was able to do a clean shutdown. Everything was restored to normal on reboot.

Oct 20, 2015 1:53 PM in response to MTBinDurham

Don't want to jinx it, but I think I've solved my freezing problem. 3 days now without a freeze and I had my USB2 hub connected at all times.


Looking at my Console, I saw the last few messages before system froze were SIMBL related, some sort of interaction with Safari. SIMBL website says it doesn't even work with Yosemite but I've been using it since I bought this mid-2015 MBP. I had Afloat installed. So removed both Afloat and SIMBL.


I guess can't really confirm it 100% at this point, but if any of you have SIMBL, you may want to see what happens if you remove that. Hopefully this is it! Google how to remove it. My main plugin file was in the global Library folder, not the user Library folder. So look there too.

Oct 20, 2015 3:28 PM in response to square_eyes

It's been almost a month now, and I can confirm that SIMBL was the culprit for me. My rMBP has been running like a $3000 MBP should, with the USB hub always connected.


Any app that integrates with OS X, has to use SIMBL. Like, if you set The Unarchiver to replace Finder's compression tool, then it has to go through SIMBL. This thing used to be a good thing but now totally broken.

Oct 25, 2015 9:53 PM in response to samhaque

Well I don't appear to have SIMBL running in activity monitor.


Heres my console entries...


26/10/15 5:46:18.000 pm kernel[0]: process VirtualBoxVM[1664] caught causing excessive wakeups. Observed wakeups rate (per sec): 446; Maximum permitted wakeups rate (per sec): 150; Observation period: 300 seconds; Task lifetime number of wakeups: 65568

26/10/15 5:46:18.336 pm com.apple.xpc.launchd[1]: (com.apple.ReportCrash.Root[1754]) Endpoint has been activated through legacy launch(3) APIs. Please switch to XPC or bootstrap_check_in(): com.apple.ReportCrash.DirectoryService


Note, I was running Virtualbox at the time and I got the USB input freeze assigning a USB hard drive to the VM that was plugged in to the host. It happened twice actually, but this was the only log I could find.

Oct 26, 2015 6:00 AM in response to square_eyes

You've been dealing with this for over a year! I'm totally no expert. Your VM is clearly causing some issues, so look into it, make sure it's updates too. DO NOT upgrade to El Capitan though, there are loads of weird issues with it. Apple's most buggy OS to date.


And the bad news is, my rMBP just hung again. I got a notification email about your reply, finished watching a Youtube video, closed that tab on Safari, started scrolling another page and nothing. 1 minute later even the mouse went dead. Hard reboot. And error log isn't telling me much. Looked like DayOne app had an issue but really no clue to the crash/hang at all. Now I don't even know if SIMBL was the reason in the first place. But its been quite a while since the last incident. I don't know what to think anymore. It can be anything from OS issue to memory or mobo failure.

Dec 3, 2015 4:43 PM in response to square_eyes

Same/similar problem here.


Mine only locks up when I plug in/out a usb device from my usb powered hub that is plugged into my late 2011 Macbook, running Yosemite 10.10.5. I had this same problem months ago with a Belkin USB... Went to the Mac Store and got the recommended best USB they had, and still have the same problem.

So I've lived with it and try not to add/remove usb devices to avoid it. (Macbook never freezes others wise).

This past week I added a simple USB KVM for keyboard & mouse, so I can run a Windows computer along side using the same input devices. I switch back and forth 20 times a day maybe.... Randomly about 1 out of 12 or so times I switch the kvm from Windows computer -> to -> the mac, my macbook freezes... all controls/keyboard/trackpad do not work (like others have said above) but I think everything else is still running... music still playing etc... only way to get it back is the power button 6 sec. =(


Any help is greatly appreciated. Need to fix asap.

IMG ATTACHED > my system specs & syslog from most recent freeze. ~see highlighted line ~

User uploaded file

Normal USB usage causes Yosemite to Freeze

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