As to your kernel_task issue, I have done some digging around with Google and found an article and a video. On my Mac Pro I have upgraded the graphics card to get a better performance but you cannot do that on a laptop. You may be pushing the video card a lot with three 1920x1080 monitors, as there is precious little dedicated VRAM on a MBP video card. However I would recommend always using Avid DNX codecs and also consider a 3rd party product like Video Slave Pro from Non Lethal Applications to handle your video playback duties. There are 5 pages of a thread on the DUC with no response from Avid. Pro tools Quick Time Server not responding / show in red in the Mac Activity Monitor There may be a bug in PT 11 or PTHD 11.1.2 as there are numerous people reporting this on the DUC. 3 displays all 1920x1080 (2 minidisplay port to DVI and 1 HDMI).Apollo Quad Thunderbolt interface (latest drivers and UAD software).2013 Macbook Pro 15" retina 2.7 GHz i7 16 GB RAM 512 GB SSD.On heavy sessions I unplug one and it drives 2 just fine, but lately I've had to use just 2 and sometimes just 1 (even on small sessions). What's the deal? I have run a macbook in clamshell mode driving 3 displays for a couple years now. I've found out that if unplug one of my extra displays the kernel task CPU immediately goes back down to under 100%, usually around 10-20%. Sometimes when my CPU starts spiking randomly (just sitting idle with a session open, not playing) I check the Activity Monitor and it shows Kernel_Task and the CPU keeps growing up to more than 400%. Is that the culprit? Can I just quit that process? Do I need it? I don't remember ever seeing it beforeā¦ My other problem is Kernel_Tasks. Looking in Activity Monitor I've noticed it often shows "Pro Tools Quicktime Server not responding" in red. Even on sessions with less than 5 tracks - I'm not sure how long it's been happening, but definitely since version 12.6.1 and now 12.7. Hi, I've got 2 problems plaguing me at the moment and I'm hoping you can help! I've been having a lot of CPU spikes and errors in Pro Tools lately. But back to the original question where Garrett Miller asked. As a result community member Laurence Teixeira has been in touch to tell us about his experiences which shed some light on this issue. In Podcast 258, we addressed a question from community member Garrett Miller about CPU Spikes And Errors In Pro Tools.
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