DPC Latency. Help!!

RyzenJunkie

RyzenJunkie

RyzenJunkie

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Joined
1 Mar 2019
Posts
234
Hi,

Hoping somebody can help as ready to set fire to this.

Have the following spec and getting high dpc latency. Optimised everything for music production such as high performance, disabling usb power saving etc and also tried disabling individual things such as 10g Ethernet, WiFi, Bluetooth etc and nothing seems to help. Getting either wdf01000.sys, ntoskrnl.sys or ndis.sys

Spec is

Intel 7920x
Asus Rampage VI Extreme
32GB Ram
R9 290x GPU
500gb SSD
 
RyzenJunkie said:
Hi,

Hoping somebody can help as ready to set fire to this.

Have the following spec and getting high dpc latency. Optimised everything for music production such as high performance, disabling usb power saving etc and also tried disabling individual things such as 10g Ethernet, WiFi, Bluetooth etc and nothing seems to help. Getting either wdf01000.sys, ntoskrnl.sys or ndis.sys

Spec is

Intel 7920x
Asus Rampage VI Extreme
32GB Ram
R9 290x GPU
500gb SSD
Click to expand...

HPET needs to go off, And look for things on usb and yes it includes sound through usb. I used to get 1000us spikes with a logitech usb mic as well. But never have i heard of those .sys either. Maybe it is software or all of the above.
 
Haven't disabled hyperthreading so will do that in a bit. Don't have any mics or anything. Only the pc connected to the monitor and the usb audio interface and a native instruments keyboard all connected through usb in separate usb ports direct at the back of the motherboard.
 
DPC is where the processing is done in device drivers, so even though it will be a bitch, try and update all the drivers in device manager.

Otherwise a clean install is on the cards. Windows device drivers are pretty complex and you're probably seeing one driver locking out another :(
 
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