Edited by farahahmad, 24 February 2012 - 06:35 AM.
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but I just needed to change the PCI-E setting
Edited by evilpedro, 15 March 2012 - 10:37 AM.
you made a spelling mistake: "StaCkwalk, not StaLkwalk.
You Have high DPC usage caused by USBport data transfer (rdwm1117.sys driver).
You've also have Driver Verifier enabled. Disable Driver verifier and test again. It should fix the issues because the deep validations no longer occur.
Edited by tuner, 15 May 2012 - 12:45 AM.
A thousand thanks, Andre! Disabling Driver Verifier did seem to help. In all the forums I've visited, I'd never heard about doing this (I need to spread the word). Is this Verifier enabled by default in Windows 7?
Unfortunately, I'm still seeing these large spikes every 15 seconds, and am still not getting the latency that others seem to be reporting using the same Roland hardware. The spikes do seem to be connected to this hardware (They go away if I unplug it, and rdwm1117.sys is the Roland driver), but I'm wondering if something in my system is interacting with the driver to cause these spikes, which consume 100% of one core, and 15-20% of total CPU .
Edited by MagicAndre1981, 15 May 2012 - 06:42 AM.
No, by default it is not activated. Did you have a BSOD and activated it to get better dumps?
Try the 1.5 drivers
You use the 1.0.0 drivers. Maybe this helps. Also try to connect the device to a different USB port which doesn't share IRQs with other devices.
ask the support, maybe they have an idea.
and was using my Mackie FireWire in its place, when suddenly the sound got all glitchy again. Rebooted the machine, and audio still breaks up, even though it had worked fine all day. Looking at CPU usage in task manager, it appears that the Mackie Onyx is consuming the most (about 50% of one core), which disappears when I disconnect it.
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