qemu-system-x86_64 runs 100% CPU

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Any luck in solving your issue? I'm having the exact same problem. The only previous things I installed were to do with music production as well!

Thanks for following up. I wasn't aware that they weren't even bothering to port code their malware to the Mac now. In addition to being malicious, that is just lazy.

I have the same problem. Did you just reinstall your OSX or did you reset it to factory settings? I really need some help. Thanks.

no

Whoever you are I love you. I've had this issue forever and I just fixed it. Thanks mate.

If qemu stops showing in activity monitor after completing these steps should you still clean install? or does that resolve the problem

some of the files that come up when i search i cant delete because they're part of the OS. Should i just accept that? is that normal? i have however deleted the original qemu file

I am using Time Machine with a dedicated external hard drive over 2x larger than my disk space on my Macbook Pro. My only issue is time, and the possibility that if I clean my Macbook, and start fresh again, the backup will have the stored processes that are causing me the issue right now.

This is why I would prefer finding the source of this virtual machine process, removing it for good and then running Time Machine again so I can maintain consistent backups of my file.

In regards, etrecheck, I am not entirely comfortable posting my logs (even if they don't include personal info). Is there a way, someone who is not extremely techincally savvy to review the data and remove any respective files without breaking the OS?

M.

I'm having the very same issue, following an installation of Albleton 10 from a torrent file. I assume you're referring to a clean install, or does simply removing Ableton and reinstalling OS X resolve the issue?

hello i solved this issue oleeyy :) . so first you need to sample ( not quit ) qemu in activity monitor . and you will get the file direction . then you need to search in finder only x86_64 and you can access the folder contains it. it is in usr/ local/cellar was in my Mac . hope it will work for you

Hi,

I had the problem since yesterday, after some investigation I found the solution by removing the following files from my system.

Just open a Terminal windows and use the following commands.

sudo rm -R /usr/local/cellar/qemu

sudo rm -R /Library/Application Support/.Qemusys

sudo rm -R /Library/Application Support/.System-Monitor

sudo rm /Library/LaunchDaemons/com.buildtools.system-monitor.plist

sudo rm /library/LaunchDaemons/com.buildtools.tools-service.plist

sudo rm /Library/LaunchDaemons/com.modulesys.qemuservice.plist

sudo rm /Library/LaunchDaemons/com.systools.cpumonitor.plist

then goto

cd /usr/local/bin/

sudo rm -R .Tools-Service

sudo rm cpumonitor

sudo rm system-monitor

sudo rm tools-service

Please be careful with these commands, they are dangerous if you enter them wrong.

Best is to cut and paste them on the command line.

And next time, buy software instead of ....

if anyone else is looking here for answers on this now I was able to remove it completely without reinstalling osx. if you follow these steps given by Edgytwelvie (steps below) (credit to him for savin my butt with this part). When you get to about step 10 and you find a QUEMU file ending in .KEXT and one ending in a .PLIST your mac will not allow you to delete this because they have imbedded themselves as essential to macs OS. so when you try to drag into the trash it might say "this operation cannot be completed because this file is required by OS." So to delete those you must reboot your mac into recovery mode by restarting it then holding command R. Once you are in recovery mode look up top for utilities then hit that and open terminal. you will need to type in csrutil disable it will ask for your password then it should disable it. now restart your mac NORMALLY and locate the qemu KEXT file and the qemu PLIST and throw them in the trash and empty the trash.. now reboot back into recovery mode as you did before.. open terminal and type csrutil enable and press enter... once you reboot normally your problem should be solved.. i would recommend shutting off laptop for a while before using it again.

STEPS:

1. Launch Activity Monitor and locate "qemu-system-x86_64"

2. Double click on it and on the bottom left of Activity Monitor click "Sample"

3. Once the sample has been taken, you should see lots of random digits which might intimidate you, but one of the subheadings in the sample should be called "Path:". Copy the path you see. My path was something like this: /usr/local/bin/qemu-system-x86_64

4. Launch Finder and simultaneously click "Shift" "Command" "G"

5. Paste the path that you copied from step 3 and click "Go"

6. This should locate a Qemu file, delete that immediately

7. For safe measure, we will now delete everything from your System which contains either the words "qemu" or "x86_64"

8. Press "Shift" "Command" "G" again and in the search box type "/system"

10. Where it says "search" on the top right of your finder, search for "qemu". For me this came up with nothing, but if you look closely that's because it's searching on "This Mac". Click the tab which allows you to search on the "System".

11. If this brings up a number of files, delete all of them. Make sure to empty your trash too. (if you cant delete them look up at the first body of text)

12. Repeat steps 10 & 11 but instead of searching for "qemu" search for "x86_64" (if you cant delete them look up at the first body of text)

13. Shut down your computer completely for a period of time. For me it was 10 hours, the time from when I slept to woke up the next day