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Music, Audio, and Podcasting
Macbook Pro Suddenly unable to handle Cubase 6
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<blockquote data-quote="sa3atsky" data-source="post: 1540135" data-attributes="member: 311674"><p>Hi, </p><p></p><p>I have a Macbook Pro Late 2011 Model 15", updated to latest version Mountain Lion 10.8.5</p><p></p><p>2Ghz Core i7</p><p>4GB DDR3 memory</p><p>128GB SSD + 500GB HD</p><p>Focusrite Pro40 (Firewire)</p><p></p><p>I was running Cubase amazingly well on this setup, until one day my battery died and everything went haywire. I am running the system connected at all times, and have no need for the battery.</p><p>The system started freezing and giving me extreme high CPU usage from kernel_task and made Cubase unusable. I was able to partially fix this by modifying a kext extension (Fix here: <a href="http://www.rdoxenham.com/?p=259" target="_blank">“Fixing” kernel_task CPU Problems in MacOS 10.7/10.8 | rdoxenham.com</a>). I thought the problems would end there. kernel_task CPU usage went down to 20% but still hogging CPU</p><p></p><p>Going back to Cubase - all the projects that were running 100% completely fine started acting insanely sluggish and giving me extreme unusable digital noise until I got rid of half the tracks \ vsts. </p><p></p><p>I was wondering what happened? This system was perfectly capable of running these exact same files, suddenly it is unable to handle them! </p><p></p><p>I have tried:</p><p></p><p>1- Deleting \ resetting the cache</p><p>2- Repairing permissions for hard drives (+SMART scan on both HDs)</p><p>3- Resetting NV ram etc</p><p>4- There are no overheating issues (running at 65+- celsius)</p><p></p><p>kernel_task is obviously causing this problem. While Cubase is running at 200% , I noticed that right behind it, kernel_task is running at 25%. Its the outlier and whats causing the issue. Somebody please help me get rid of the pesky kernel_task bug</p></blockquote><p></p>
[QUOTE="sa3atsky, post: 1540135, member: 311674"] Hi, I have a Macbook Pro Late 2011 Model 15", updated to latest version Mountain Lion 10.8.5 2Ghz Core i7 4GB DDR3 memory 128GB SSD + 500GB HD Focusrite Pro40 (Firewire) I was running Cubase amazingly well on this setup, until one day my battery died and everything went haywire. I am running the system connected at all times, and have no need for the battery. The system started freezing and giving me extreme high CPU usage from kernel_task and made Cubase unusable. I was able to partially fix this by modifying a kext extension (Fix here: [url=http://www.rdoxenham.com/?p=259]“Fixing” kernel_task CPU Problems in MacOS 10.7/10.8 | rdoxenham.com[/url]). I thought the problems would end there. kernel_task CPU usage went down to 20% but still hogging CPU Going back to Cubase - all the projects that were running 100% completely fine started acting insanely sluggish and giving me extreme unusable digital noise until I got rid of half the tracks \ vsts. I was wondering what happened? This system was perfectly capable of running these exact same files, suddenly it is unable to handle them! I have tried: 1- Deleting \ resetting the cache 2- Repairing permissions for hard drives (+SMART scan on both HDs) 3- Resetting NV ram etc 4- There are no overheating issues (running at 65+- celsius) kernel_task is obviously causing this problem. While Cubase is running at 200% , I noticed that right behind it, kernel_task is running at 25%. Its the outlier and whats causing the issue. Somebody please help me get rid of the pesky kernel_task bug [/QUOTE]
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Macbook Pro Suddenly unable to handle Cubase 6
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