Microsoft KB Archive/293857

= &quot;Stop 0x0000007&quot; Error Message Because of a Memory Leak in the Daprotim.sys File =

Article ID: 293857

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows 2000 Service Pack 1

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This article was previously published under Q293857



SYMPTOMS
You may receive the following STOP error message:

STOP 0x0000007a (0xc02882bc, 0xc000009a, 0xa20afeb4, 0x58fd7880) KERNEL_DATA_INPAGE_ERROR

The following second parameter is caused by a lack of non-paged pool:

0xC000009A STATUS_INSUFFICIENT_RESOURCES

Event ID 2019 may also be logged in Event Viewer.



CAUSE
There is a memory leak in non-paged pool when you are using the Daprotim.sys file. The pool tag is DAP4. Daprotim.sys is a 3COM Dynamic Access Miniport Server Software kernel-mode driver.



RESOLUTION
To resolve this issue, contact 3COM to inquire about the availability of a fix for this issue.



MORE INFORMATION
To determine is your computer is experiencing this memory leak:  Use the GFlags utility to enable Pool Tagging. When the computer generates an error message on a blue screens for lack of non-paged pool, load the Memory.dmp file in the debugger.  Run the !vm command to confirm the non-paged pool is exhausted: kd> !vm

Physical Memory:  655234   ( 2620936 Kb) Page File: \??\C:\pagefile.sys Current:  2095104Kb Free Space:   1999612Kb Minimum:  2095104Kb Maximum:      4190208Kb Available Pages:  130442   (  521768 Kb) ResAvail Pages:   577917   ( 2311668 Kb) Modified Pages:      749   (    2996 Kb) NonPagedPool Usage: 65522  (  262088 Kb) NonPagedPool Max:  69378   (  277512 Kb) ********** Excessive NonPaged Pool Usage ***** PagedPool 0 Usage:  4025   (   16100 Kb) PagedPool 1 Usage:   416   (    1664 Kb) PagedPool 2 Usage:   414   (    1656 Kb) PagedPool 3 Usage:   416   (    1664 Kb) PagedPool 4 Usage:   411   (    1644 Kb) PagedPool Usage:    5682   (   22728 Kb) PagedPool Maximum: 86016   (  344064 Kb) Shared Commit:       978   (    3912 Kb)   Use the kdex2x86 extension to dump non-paged pool, and then select a non-paged pool memory address to sample. In this example, 81457000+8000 (which is 8145f000) was used: 1: kd> !kdex2x86.xpool -map
 * Virtual Memory Usage ***

Status Map of Pool Area Pages

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================= 'O': one page in use                              ('P': paged out) Non-Paged Pool Area Summary

Maximum Number of Pages = 69378 pages Number of Pages In Use  = 66029 pages (95.2%)

+00000 +08000   +10000  +18000   +20000  +28000   +30000  +38000 81097000: ....OOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO 810d7000: OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO 81117000: OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO 81157000: OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO 81197000: OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO 811d7000: OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO 81217000: OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO 81257000: OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO 81297000: OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO 812d7000: OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO 81317000: OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO 81357000: OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO 81397000: OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO 813d7000: OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO 81417000: OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO 81457000: OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO 81497000: OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO 814d7000: OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO 81517000: OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO 81557000: OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO 81597000: OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO 815d7000: OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO 81617000: OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO OOOOOOOOOOOOOOOO

1: kd> ?81457000+8000 Evaluate expression: -2126123008 = 8145f000 1: kd> !pool 8145f000 8145f080 size:  20 previous size:   80  (Free)       .... 8145f0a0 size:  80 previous size:   20  (Allocated)  dap4 8145f120 size:  80 previous size:   80  (Allocated)  dap4 8145f1a0 size:  80 previous size:   80  (Allocated)  dap4 8145f220 size:  80 previous size:   80  (Allocated)  dap4 8145f2a0 size:  80 previous size:   80  (Allocated)  dap4 8145f320 size:  80 previous size:   80  (Allocated)  dap4 8145f3a0 size:  80 previous size:   80  (Allocated)  dap4 8145f420 size:  80 previous size:   80  (Allocated)  dap4 8145f4a0 size:  80 previous size:   80  (Allocated)  dap4 8145f520 size:  80 previous size:   80  (Allocated)  dap4 8145f5a0 size:  80 previous size:   80  (Allocated)  dap4 8145f620 size:  80 previous size:   80  (Allocated)  dap4 8145f6a0 size:  80 previous size:   80  (Allocated)  dap4 8145f720 size:  80 previous size:   80  (Allocated)  dap4 8145f7a0 size:  80 previous size:   80  (Allocated)  dap4 8145f820 size:  80 previous size:   80  (Allocated)  dap4 8145f8a0 size:  80 previous size:   80  (Allocated)  dap4 8145f920 size:  80 previous size:   80  (Allocated)  dap4 8145f9a0 size:  80 previous size:   80  (Allocated)  dap4 8145fa20 size:  80 previous size:   80  (Allocated)  dap4 8145faa0 size:  80 previous size:   80  (Allocated)  dap4 8145fb20 size:  80 previous size:   80  (Allocated)  dap4 8145fba0 size:  80 previous size:   80  (Allocated)  dap4 8145fc20 size:  80 previous size:   80  (Allocated)  dap4 8145fca0 size:  80 previous size:   80  (Allocated)  dap4 8145fd20 size:  60 previous size:   80  (Free)       Qota 8145fd80 size:  80 previous size:   60  (Allocated)  dap4 </li> Run the !pool 8145f000 command on the sample.</li> Confirm through several samples that the DAP4 tag is consuming non-paged pool.</li>  Run the !drivers command to confirm the date of the driver: <pre class="fixed_text">f6070000  d780   53 kb   d40   3 kb daprotim.sys  Thu Feb 10 20:58:19 2000 </li></ol>
 * 8145f000 size:  80 previous size:    0  (Allocated) *dap4

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Keywords: kb3rdparty kbenv kberrmsg kbprb KB293857

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