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  Reply # 1931314 6-Jan-2018 14:42
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  Reply # 1931317 6-Jan-2018 14:57
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Rickles:

 

Saw something similar on a friend's set a few months ago with similar multiple disks ... went to Defrag & Optimise Disks, and found that all the disks were set to be "optimised' on a daily basis.

 

Set them to monthly and problem cleared up.

 

 

richms:

 

Thats a weird one. I have mine set to daily and the internal SSDs take seconds to trim, the external mechanical USB ones are done in a minuite or so, no impact to the system whatsoever when I am using it. Perhaps there is some file system corruption or something wrong with one of the drives causing that to happen?

 

 

It's not that, it's swapping to disk to try to create some free RAM.

 

Batman:

 

We still don't know if the OP is actually running out of RAM, he said the task manager said it's NOT running out of RAM. Are you sure it's running out of RAM and not something else?

 

 

I'm running out of RAM - thought I'd said that a couple of times. 15.9GB used of 16GB, from memory, with heavy use of the swap file to try to make space in RAM.

 

 

 

Hasn't done it in the past day or so. Will try to take note of what I've been doing next time it happens.





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  Reply # 1931329 6-Jan-2018 15:04
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timmmay:

 

Hasn't done it in the past day or so. Will try to take note of what I've been doing next time it happens.

 

 

I had this with a 'gaming' NIC with QoS, the memory leak was proportional to the amount of network traffic. Swapped out the drivers for some generic OEM drivers and the problem was gone.

 

 








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  Reply # 1931339 6-Jan-2018 15:27
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gbwelly:

 

I had this with a 'gaming' NIC with QoS, the memory leak was proportional to the amount of network traffic. Swapped out the drivers for some generic OEM drivers and the problem was gone.

 

 

Was that the aweful killer nic that plagues so many boards?

 

Even with the generic drivers I still get bluescreens when other network devices connect or disconnect frequently, Usually VPN but if I plug in a USB NIC to connect to a raspberry pi or config up a IP cam etc it will often bluescreen too. Never thought I would be glad to swap to a realtek nic instead.





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  Reply # 1931350 6-Jan-2018 15:37
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richms:

 

gbwelly:

 

I had this with a 'gaming' NIC with QoS, the memory leak was proportional to the amount of network traffic. Swapped out the drivers for some generic OEM drivers and the problem was gone.

 

 

Was that the aweful killer nic that plagues so many boards?

 

Even with the generic drivers I still get bluescreens when other network devices connect or disconnect frequently, Usually VPN but if I plug in a USB NIC to connect to a raspberry pi or config up a IP cam etc it will often bluescreen too. Never thought I would be glad to swap to a realtek nic instead.

 

 

Yep, E2200.

 

I was running a generic Qualcomm Atheros AR8161 driver, but with one of the Windows 10 upgrades it's been swapped out for a Microsoft provided driver with the absurd name "This Killer Ethernet Controller connects you to the network." The driver is e2xw10x64.sys version 9.0.0.42

 

Remarkably it's been rock solid, so full marks to whoever does the WHQL testing at Microsoft.

 

 

 

 










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  Reply # 1931364 6-Jan-2018 16:40
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The problem is new, but nothing much has changed on the PC. Maybe Windows Update installed a new driver, but that'd be it.

 

I just have to wait for it to happen again now.





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  Reply # 1931397 6-Jan-2018 17:06
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My apologies, didn't see the bit where it showed it ran out of RAM, which AV are you running?




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  Reply # 1931463 6-Jan-2018 20:37
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Batman:

 

My apologies, didn't see the bit where it showed it ran out of RAM, which AV are you running?

 

 

No worries. Avira free.





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  Reply # 1931538 6-Jan-2018 23:02
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timmmay:

 

Batman:

 

My apologies, didn't see the bit where it showed it ran out of RAM, which AV are you running?

 

 

No worries. Avira free.

 

 

Definitely run a virus scan with a few other providers such as my previous post. Also try uninstalling it and see if that helps.




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  Reply # 1932427 8-Jan-2018 21:24
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Happened again. Seems to happen more when I have the computer sleep for a few nights than if I turned it off. I tried killing dwm as @richms suggested, no change. Tried emptying everything in ram map like @yitz suggested, no change. The use is all in the nonpaged pool, according to Ram Map.

 

I got a couple of screenshots this time. Not overall RAM use, but it was saying about 15.8GB of 15.9GB used. When I closed Chrome, with 20 odd tabs open, that number didn't go down. I didn't notice as much paging this time.

 

 

 

Click to see full size

 

Click to see full size





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  Reply # 1932439 8-Jan-2018 21:41
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In the task manager, right click a column and choose Select Columns and tick 'NP pool' then sort by size descending should show you if it is associated with a process.

 

 

As above you may also want to review your Windows Update history in the Control Panel to see if any drivers were installed.



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  Reply # 1932497 9-Jan-2018 07:12
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Good idea, I'll try that thanks.





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  Reply # 1947937 28-Jan-2018 20:24
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I caught it again just before it went crazy this evening. I'd been doing a bit of video transcoding, a little video editing.

 

The only driver update was a Logitech mouse driver update a few months ago.

 

Here's the RAM use with everything closed, other than Photoshop which I freshly launched to save screenshots. The drop is when I did "empty working sets' in rammap.

 

Click to see full size

 

To compare, here's RAM use after a reboot.

 

Click to see full size

 

Now a couple of shots from rammap

 

Click to see full size

 

Click to see full size

 

 

 

 

 

Any ideas how to fix this? It's mildly annoying - I had to stop my video encoding to reboot.





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  Reply # 1947954 28-Jan-2018 21:50
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Memory usage seems steady in that screenshot, not climbing or see-sawing. I presume you'd paused the video encoding earlier than the last 60 seconds shown on the graph? Ideally you'd catch it as the memory usage was increasing. Task Manager can be kept open in 'graph summary' view as a foreground window by enabling 'Always on Top' and double clicking the Memory graph, you can then resize it as you wish. This way you are able to catch jumps in memory usage and correlate this to what you are working on.

 

 

The fact that the usage is in the non-paged pool does point to a driver level issue.

 

 

Can you confirm for us what your network interface card is that you use to connect to your LAN? The Killer E2200 NIC (among others) seems to be a common culprit, if you are able to rule that out. is the increase in non-paged pool usage consistent with the amount of traffic passed over the connection?

 

 

In order to investigate driver level memory usage it is necessary to use poolmon.exe

 

https://support.symantec.com/en_US/article.HOWTO7786.html

 

If you follow the link in the above article to download "Support Tools for Windows 2003 SP1" and then extract the exe, poolmon.exe can be found in support.cab

 

When the non-paged pool size balloons, you can fire up poolmon.exe to see what is going on.

 

See: Using PoolMon to Find a Kernel-Mode Memory Leak

 

 

 




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  Reply # 1947994 29-Jan-2018 06:09
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The computer was on the way to running out of RAM, it wasn't quite there yet. It never see saws, it just runs out of RAM and swaps like mad. I'd turned everything off.

 

Network is a RealTek network adapter built into the motherboard. I also have adapter for a couple of VPN providers, Nord VPN, just uninstalled. Astrill is there (used it for ages), and VirtualBox (again, for ages).

 

I'll try poolmon some time soon, thanks :)





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