Tomahawk Max poor sound and DPC latency

MegaPinches

MegaPinches

MegaPinches

Associate
Joined
9 Dec 2015
Posts
843
Got this board over a week ago, the sound is absolutely ****, my last board z87 had same codec, crackling, poping, stretching out sounds and just sounds rubbish even when not doing that. Sounded rubbish from day one, I started noticing it more, thought it was my ram because ive been messing about with that, turned off dynamic tick in windows and put ram to stock and thought I sorted the latency issues for a bit.

Using LatencyMon I keep getting big DPC errors saying "classpnp.sys", is this something to do with the LAN?, tried the msi drivers, did nothing.

Any idea's?
 
I get problems also using the on-board sound on the tomahawk max. Sometimes it loses it altogether so I'm thinking the drivers are particularly bad on this board. So I'm going to ditch it for a decent soundcard.
 
Realtek is annoying by not providing their clean drivers directly.
So besides trying audio and NIC drivers available from MSI's support page you're pretty much stuck to trying separate sound card.

But take a screenshot of LatencyMon's drivers tab when having problems.
There could be other drivers involved.

And could try disabling HPET in BIOS.
 
EsaT said:
Realtek is annoying by not providing their clean drivers directly.
So besides trying audio and NIC drivers available from MSI's support page you're pretty much stuck to trying separate sound card.

But take a screenshot of LatencyMon's drivers tab when having problems.
There could be other drivers involved.

And could try disabling HPET in BIOS.
Click to expand...

Hi,

usually the dpc error is "classpnp.sys", ive disabled hpet and dynamic tick in windows but don't have the option on my bios. Ive requested RMA but concerned they wont replicate the error, yesterday for example I had not a single buzz and couldn't even force an error in latencymon, today I got a buzz as soon as I started playing music. Its weird.

late.jpg
 
You forgot screenshot of Drivers tab.
But ndis.sys hints to network related problem, possibly driver of Realtek NIC.
And 5ms delay is pretty certain to cause audio problems.
 
EsaT said:
You forgot screenshot of Drivers tab.
But ndis.sys hints to network related problem, possibly driver of Realtek NIC.
And 5ms delay is pretty certain to cause audio problems.
Click to expand...

Ok thanks for help this is driving me mad now Ive not a clue about solving this latency issue to be honest. Ill just grab driver tab. I updated to the MSI realtek Lan driver but from the name it looks like its only for pciex lan cards?

"Realtek PCI-E Ethernet Drivers"

Do you need the drivers tab screen while its had a high latency error? because ill have to wait for one, its behaving now. I'll post later.

Thanks again

EDIT: Its worth mentioning I use poweline adaptors connected to Lan, older model that you can't turn off power saving mode on (they have no drivers though), i'm wondering if its these. But ive used them years on multiple systems but wondering if its just ryzen that is sensitive to dpc latency and causing my audio glitch, never had this on any system before. Think its worth trying some new adaptors?
 
Last edited:
MegaPinches said:
I updated to the MSI realtek Lan driver but from the name it looks like its only for pciex lan cards?

Do you need the drivers tab screen while its had a high latency error? because ill have to wait for one, its behaving now. I'll post later.

EDIT: Its worth mentioning I use poweline adaptors connected to Lan, older model that you can't turn off power saving mode on (they have no drivers though), i'm wondering if its these. But ive used them years on multiple systems but wondering if its just ryzen that is sensitive to dpc latency and causing my audio glitch, never had this on any system before. Think its worth trying some new adaptors?
Click to expand...
Also integrated NICs are nowadays connected to PCI-e.
Actually all integrated extras should be connected to it, because chipsets haven't had PCI bus in a long time.

Only data from problematic moments is useful.
(sort it basing on Highest execution time)

Some problem in LAN might certainly be able to trigger problems in NIC.
Has there been any network traffic during moments of problems?
You could try disabling NIC/disconnecting cable when not needing it to see if you can play etc without problems.
Source could be also some external thing.
Powerlines aren't made for data traffic and can suffer from who knows what kind interference.
 
EsaT said:
Also integrated NICs are nowadays connected to PCI-e.
Actually all integrated extras should be connected to it, because chipsets haven't had PCI bus in a long time.

Only data from problematic moments is useful.
(sort it basing on Highest execution time)

Some problem in LAN might certainly be able to trigger problems in NIC.
Has there been any network traffic during moments of problems?
You could try disabling NIC/disconnecting cable when not needing it to see if you can play etc without problems.
Source could be also some external thing.
Powerlines aren't made for data traffic and can suffer from who knows what kind interference.
Click to expand...

Yea im gonna run it all this evening no cable plugged, but I not sure this will completely isolate the problem, if its most likely lan, it wont pinpoint if its driver, lan chip or my powerline adaptors. Often spotify is will buzz, though I cant test without internet. Maybe I try new ones, I have rainforest prime can always send them back. Just odd never happened on old systems. Thanks again for helping and giving me some understanding of this, had no clue.

cheers
 
Last edited:
Just found the realtek pcie Lan driver has a bunch of settings you can play around with, ive disabled power down and green ethernet settings to see if that helps.
 
Not the same issue, but I have a b450 pro carbon and the microphone is very very very quiet, after googling the issue it seems many people have the same problem and there is no fix. We can use +db microphone boost to +30 but its still quiet and this causes a buzzing sound in audio.

Seems MSI audio is hit or miss, im just going to buy a cheap sound card and be done with it. The sound on my old asus z68 board was much higher too, i.e. on this board 40% sound would be 20-25% on the z68.
 
peterwalkley said:
What did you buy ? My board looks to be borked, so considering an alternative if RMA doesn't sort it. It was fine for a few weeks, but not any more.
Click to expand...

Got an x570 Aorus Elite, honestly its luxury compared to that Max board. Endless problems with the Max, and straight after firing it up I knew the Aorus was behaving properly, in comparion the Max was just crunchy to use, something was really up with either my board or its compatibility with my setup. To be honest theres nothing really that decent that isn't MSI in the 450 range, I looked at the TUF pro and strix 450f both looked pretty good but inferior VRM but decided just to buy something with bit more quality to it.
 
Last edited:
You must log in or register to reply here.
Back
Top Bottom