Comments on: Vacuum Pages https://www.dumpanalysis.org/blog/index.php/2011/07/22/vacuum-pages/ Structural and Behavioral Patterns for Software Diagnostics, Forensics and Prognostics Wed, 06 May 2026 14:17:28 +0000 http://wordpress.org/?v=2.3.3 By: Miro https://www.dumpanalysis.org/blog/index.php/2011/07/22/vacuum-pages/#comment-320132 Miro Fri, 29 Jul 2011 12:44:41 +0000 https://www.dumpanalysis.org/blog/index.php/2011/07/22/vacuum-pages/#comment-320132 Update: It seems that also x86 systems are affected, this comes from x86 W2k3 R2 SP2 dump i've got today: Physical Memory: 1048499 ( 4193996 Kb) Page File: \??\C:\pagefile.sys Current: 2097152 Kb Free Space: 1629204 Kb Minimum: 2097152 Kb Maximum: 2097152 Kb Available Pages: 180524 ( 722096 Kb) ResAvail Pages: 951257 ( 3805028 Kb) Locked IO Pages: 471 ( 1884 Kb) Free System PTEs: 198498 ( 793992 Kb) Free NP PTEs: 32766 ( 131064 Kb) Free Special NP: 0 ( 0 Kb) Modified Pages: 109 ( 436 Kb) Modified PF Pages: 109 ( 436 Kb) NonPagedPool 0 Used: 268435455 (1073741820 Kb) NonPagedPoolNx 0 Used: 2858 ( 11432 Kb) NonPagedPool 1 Used: -1 ( -4 Kb) NonPagedPoolNx 1 Used: 5027 ( 20108 Kb) NonPagedPool Usage: 268435454 (1073741816 Kb) NonPagedPoolNx Usage: 19041 ( 76164 Kb) NonPagedPool Max: 65212 ( 260848 Kb) ********** Excessive NonPaged Pool Usage ***** Update:
It seems that also x86 systems are affected, this comes from x86 W2k3 R2 SP2 dump i’ve got today:
Physical Memory: 1048499 ( 4193996 Kb)
Page File: \??\C:\pagefile.sys
Current: 2097152 Kb Free Space: 1629204 Kb
Minimum: 2097152 Kb Maximum: 2097152 Kb
Available Pages: 180524 ( 722096 Kb)
ResAvail Pages: 951257 ( 3805028 Kb)
Locked IO Pages: 471 ( 1884 Kb)
Free System PTEs: 198498 ( 793992 Kb)
Free NP PTEs: 32766 ( 131064 Kb)
Free Special NP: 0 ( 0 Kb)
Modified Pages: 109 ( 436 Kb)
Modified PF Pages: 109 ( 436 Kb)
NonPagedPool 0 Used: 268435455 (1073741820 Kb)
NonPagedPoolNx 0 Used: 2858 ( 11432 Kb)
NonPagedPool 1 Used: -1 ( -4 Kb)
NonPagedPoolNx 1 Used: 5027 ( 20108 Kb)
NonPagedPool Usage: 268435454 (1073741816 Kb)
NonPagedPoolNx Usage: 19041 ( 76164 Kb)
NonPagedPool Max: 65212 ( 260848 Kb)
********** Excessive NonPaged Pool Usage *****

]]> By: Marc Sherman https://www.dumpanalysis.org/blog/index.php/2011/07/22/vacuum-pages/#comment-318527 Marc Sherman Mon, 25 Jul 2011 14:15:18 +0000 https://www.dumpanalysis.org/blog/index.php/2011/07/22/vacuum-pages/#comment-318527 I've seen it too. I’ve seen it too.

]]> By: Dmitry Vostokov https://www.dumpanalysis.org/blog/index.php/2011/07/22/vacuum-pages/#comment-317944 Dmitry Vostokov Sat, 23 Jul 2011 23:02:33 +0000 https://www.dumpanalysis.org/blog/index.php/2011/07/22/vacuum-pages/#comment-317944 So it looks like !vm command needs an update to bring it up with reality :-) So it looks like !vm command needs an update to bring it up with reality :-)

]]> By: Miro https://www.dumpanalysis.org/blog/index.php/2011/07/22/vacuum-pages/#comment-317828 Miro Sat, 23 Jul 2011 14:23:00 +0000 https://www.dumpanalysis.org/blog/index.php/2011/07/22/vacuum-pages/#comment-317828 I've encountered exactly the same thing last weekend when looking at complete memory dump of one (partial) hung x64 W2k8 R2 system :) I’ve encountered exactly the same thing last weekend when looking at complete memory dump of one (partial) hung x64 W2k8 R2 system :)

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