I too have this problem, it does not happen right away at boot but after some use. I cant nail down exact steps but it does seem to be after using the web / streaming video.
After much investigation I have found that deactivating Bluetooth in the BIOS mostly resolves the issue, obviously this means I cant use Bluetooth...
I disable Bluetooth, SD Card Reader and Wireless in BIOS but problems still occurs
Ad hoc restart system helps, but it does not solve the problem because after turn off and late turn on stick problem return.
I use Windows Performance Toolkit and it looks like the problem is with GPIO driver in "Intel Driver Package for Baytrail-T SOC". I wait for new driver and I hope that will fix this problem.
This narrows down the problem a bit. Could we have an official reply from an Intel representative and is there any more information we can post so we help get this issue resolved?
Let's try the following; uninstall the current Intel® HD Graphics Driver on your systems and let me know if the behavior persists.
Unfortunately, uninstall Intel HD Graphics has no effect. After restart, system automatically install previous Intell drivers (ver. 10.18.10.4252) system works ok, after power off and then on problems back, Next I uninstall this drivers too. After restart i have Basic Microsoft Graphics Card with Microsoft Driver. And still when i power off computer and after few second power on i have 1 core busy by System Interrupts (it occupies15-20% cpu).
Out of all those tests, i try every bios above 0024, without success
Only on Windows 8.1 system works fine, and I use it now, and wait for some driver or system update ( Windows 10 Threshold 2 incoming next week - I'll try It ).
Please try with the following driver version Download Graphics: Intel® HD Graphics driver for Intel® Compute Stick, you can follow these instructions to install the driver Desktop graphics drivers — How to Manually Install a Driver in Microsoft Windows 8* or Windows 8.1*.
Let me know your findings,
I am coming back to this issue, because I noticed it also. After OS start from power off (Windows 10 TH2), the "system interrupts" process is taking too much CPU. I wasn't aware until I tried to use a Bluetooth speaker when the audio stream was full of dropouts. After restarting, the issue does not appear.
The solution is to disable the "Fast Startup" option from the Power Options control panel settings.
The conclusion is that ICS has a driver that is not perfect and is not compatible with the Fast Startup option of Windows 10. What driver exactly is, I'll let the Intel support team to investigate.