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NonPaged memory in Task Manager and memsnap differ

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jesse01 View Drop Down
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    Posted: 21 September 2010 at 12:11am
Hi,
 
I think there is a memory leak on my system which I'm trying to investigate. System is Windows Server 2003 SP2 x86. I noticed strange thing. Task Manager shows about 240 MB of NonPaged kernel memory is used. At the same time when I analyze the results of memsnap.exe utility, the sum of all nonpaged allocations is significantly less, it is about 178 MB (I sum the results of memsnap output obtained with -p and -m switches).
I tried to use memsnap with -a swicth to track what leaks the memory, but the problem is that its result shows just little difference between snapshots, while I see in Task Manager that NonPaged memory usage has significantly increased. So, I'm unable to track what causes the leak.
The poolmon output also doesn't change significantly from reboot time to time when I get 2019 event.
What could it be? Maybe there still exists unnamed (untagged) allocations which memsnap doesn't show?
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