|13 Nov 2012||#1|
BSOD, likely related to memory corruption; SF Diag dump file attached
Thanks in advance for reading; any help is appreciated.
Experienced several BSODs during the past few weeks. A few separate "explanations" for the crash shown on the blue screens may suggest a memory problem:
A dump file created using the SF Diagnostic Tool is attached.
Some additional information:
The computer contains two sticks of RAM, each DDRIII 1333 4GB SODIMM. If it helps, the text on the label of each stick includes "BEFMHGO-[other characters]).
Memtest86 was run with both sticks in the PC (i.e., neither was removed before running), and a single error was found, with the following characteristics:
Failing address: 000bc646698 - 3014.2MB
System Restore was attempted, but could not restore the computer to a previous instance. Windows Defender Offline was also run and also failed, providing the following error: "The program's service has stopped. You can start the service manually or restart your computer, which will start the service. / Error code: 0x800106ba". Also ran BlueScreenView, which identified ntoskrnl.exe as a potential issue, although we weren't able to follow this up.
I hope that at least some of the above is relevant. Any help is sincerely appreciated.
|My System Specs|
|14 Nov 2012||#2|
Welcome to SevenForums.
MSC "c:\program files\microsoft security client\msseces.exe" -hide -runkey Public HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run Start Menu\Programs\Norton Internet Security Public:Start Menu\Programs\Norton Internet Security Public
Drivers that need to be updated: / or reinstalled.
Method: Click on the Start ► Control Panel ► Programs ► Uninstall a program ► Uninstall everything related to; the particular programs mentioned below. Restart the system, delete remnants of its drivers/older drivers using Driver Fusion/Sweeper. Restart again if required.
Wacom HID Router Driver Source: Driver Reference Table
0: kd> lmvm wachidrouter start end module name fffff880`049ab000 fffff880`049c0000 wachidrouter T (no symbols) Loaded symbol image file: wachidrouter.sys Image path: \SystemRoot\system32\DRIVERS\wachidrouter.sys Image name: wachidrouter.sys Timestamp: Tue Mar 20 01:27:08 2012 (4F67888C) CheckSum: 0001CEAC ImageSize: 00015000 Translations: 0000.04b0 0000.04e4 0409.04b0 0409.04e4
0: kd> lmvm NETwNs64 start end module name fffff880`058aa000 fffff880`06116000 NETwNs64 T (no symbols) Loaded symbol image file: NETwNs64.sys Image path: \SystemRoot\system32\DRIVERS\NETwNs64.sys Image name: NETwNs64.sys Timestamp: Wed Jan 05 01:29:41 2011 (4D237525) CheckSum: 00823E68 ImageSize: 0086C000 Translations: 0000.04b0 0000.04e4 0409.04b0 0409.04e4
0: kd> lmvm iaStor start end module name fffff880`01271000 fffff880`013c5000 iaStor T (no symbols) Loaded symbol image file: iaStor.sys Image path: \SystemRoot\system32\DRIVERS\iaStor.sys Image name: iaStor.sys Timestamp: Thu Jan 13 07:50:12 2011 (4D2E5A54) CheckSum: 0007188C ImageSize: 00154000 Translations: 0000.04b0 0000.04e4 0409.04b0 0409.04e4
0: kd> lmvm atikmdag start end module name fffff880`04a05000 fffff880`05302000 atikmdag T (no symbols) Loaded symbol image file: atikmdag.sys Image path: \SystemRoot\system32\DRIVERS\atikmdag.sys Image name: atikmdag.sys Timestamp: Mon Feb 07 00:31:45 2011 (4D4EE911) CheckSum: 008B4A84 ImageSize: 008FD000 Translations: 0000.04b0 0000.04e4 0409.04b0 0409.04e4
(Avoice CCC - Catalyst Control Center during installation.)
Run the System File Checker that scans the of all protected Windows 7 system files and replaces incorrect corrupted, changed/modified, or damaged versions with the correct versions if possible:
BIOS Version/Date Hewlett-Packard 68SCF Ver. F.08, 26/08/2011
|My System Specs|
|14 Nov 2012||#3|
Sincere thanks for the quick reply and detailed recommendations.
Before we apply these, however, just a few clarifying questions:
1. The recommendations suggest that we should (1) run driver-updating software EasyDriverPro,and then (2) completely delete a selection of drivers, including drivers from Wacom and Intel. Out of both curiosity and a concern that this is indeed the right course of action, could you please explain briefly why these particular drivers should be deleted? The Intel drivers, in particular, have datestamps in 2011; why not attempt to update these instead?
2. As noted in the original post, during the crashes and subsequent tests we witnessed a few indications that the BSODs might be memory related (e.g., the error "SPECIAL_POOL_DETECTED_MEMORY_CORRUPTION"). This was not addressed in the reply to our post; the recommendations are mainly driver-related. Is this to say that memory appears not to be the issue causing the BSODs?
Again, the help is appreciated. Thank you.
|My System Specs|
|14 Nov 2012||#4|
By deleting them it would be installed "afresh" from the source links provided. I would not recommend driver updating software but search in google or the driver reference links that are posted here.
STOP 0x000000C1: SPECIAL_POOL_DETECTED_MEMORY_CORRUPTION
Usual causes: Device driver, ?Memory
Take memtest. Run for 8 passes and test each stick in a know good slot for an additional 6 passes.
The goal is to test all the RAM sticks and all the motherboard slots.
Check your motherboard manual to ensure the RAM sticks are in the recommended motherboard slots. Some motherboards have very specific slots required for the number of RAM sticks installed.
If you get errors, stop the test and continue with the next step.
1. Remove all but one stick of RAM from your computer (this will be RAM stick #1), and run Memtest86 again, for 7 passes.
Be sure to note the RAM stick, use a piece of tape with a number, and note the motherboard slot.
If this stick passes the test then go to step #3.
2. If RAM stick #1 has errors, repeat the test with RAM stick #2 in the same motherboard slot.
If RAM stick #2 passes, this indicates that RAM stick #1 may be bad. If you want to be absolutely sure, re-test RAM stick #1 in another known good slot.
If RAM stick #2 has errors, this indicates another possible bad RAM stick, a possible motherboard slot failure or inadequate settings.
3. Test the next stick of RAM (stick #2) in the next motherboard slot.
If this RAM stick has errors repeat step #2 using a known good stick if possible, or another stick.
If this RAM stick has no errors and both sticks failed in slot#1, test RAM stick #1 in this slot.
4. If you find a stick that passes the test, test it in all the other motherboard slots.
If Part 2 testing shows errors, and all tests in Part 3 show errors, you will need to test the RAM sticks in another computer and/or test other RAM in your computer to identify the problem.
In this way, you can identify whether it is a bad stick of RAM, a bad motherboard, or incompatibility between the sticks.
|My System Specs|
|18 Nov 2012||#5|
We've completed all steps in the first set of recommendations (driver-related), but have not tested the memory yet. Yesterday, after completing the steps, we experienced another BSOD. Several files are attached that might help to diagnose the problem, including an archive containing the SF Diagnostic Tool files.
If someone could take a quick look and point out anything of interest, this would be sincerely appreciated. Thanks again for all help provided to this point.
|My System Specs|
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