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Forum: Performance & Maintenance 14 Mar 2010
Replies: 23
Views: 150,224
Posted By kernelist
Configuration Windows 7, x64, 4 GB memory, AMD 3...

Configuration Windows 7, x64, 4 GB memory, AMD 3 cores, 420 GB HDD.
Superfetch, prefetch, readyboost and readyboot are maintained running.

I had this problem with files in the...
Forum: Performance & Maintenance 19 Feb 2010
Replies: 27
Views: 64,498
Posted By kernelist
Then wait for a spike and enter the second...

Then wait for a spike and enter the second command about 30 seconds into the spike. Hopefully you'll get the entry into the spike in your trace, which could prove useful.
Forum: BSOD Help and Support 19 Feb 2010
Replies: 2
Views: 3,408
Posted By kernelist
A new minidump analysis from a new BSOD from the...

A new minidump analysis from a new BSOD from the same command (xbootmgr -trace boot -traceflags Base+CSWITCH+DRIVERS+POWER -postbootdelay 60) with a cleaner call stack; the bugcheck is now 0x7e....
Forum: BSOD Help and Support 18 Feb 2010
Replies: 2
Views: 3,408
Posted By kernelist
Some additional information:Apparently it's the...

Some additional information:Apparently it's the "DRIVERS" traceflag which triggers the BSOD.
The following commands work without problems:
>xbootmgr -trace boot -traceflags Base+CSWITCH
or ...
Forum: Performance & Maintenance 18 Feb 2010
Replies: 27
Views: 64,498
Posted By kernelist
I forgot to mention that xperf is to be used via...

I forgot to mention that xperf is to be used via a command window.
With your mouse pointed at the folder where xperf is found, right click while pressing the shift key and in the menu which opens...
Forum: BSOD Help and Support 17 Feb 2010
Replies: 2
Views: 3,408
Posted By kernelist
xbootmgr triggers BSOD on reboot

Hi,

Just got a BSOD "PAGE_FAULT_IN_NONPAGED_AREA" while rebooting automatically after I launched an xbootmgr -trace boot command.
The exact command used was:
xbootmgr -trace boot -traceflags...
Forum: Performance & Maintenance 17 Feb 2010
Replies: 27
Views: 64,498
Posted By kernelist
It's true that the access to xperf is now rather...

It's true that the access to xperf is now rather tricky. This very powerful debugging application from MS is now to be found within the "Windows Performance Kit"
Please follow these steps to get...
Forum: Graphic Cards 15 Feb 2010
Replies: 8
Views: 22,441
Posted By kernelist
Go in the BIOS, there should be a setting to get...

Go in the BIOS, there should be a setting to get rid of the black bars.
Forum: Performance & Maintenance 14 Feb 2010
Replies: 27
Views: 64,498
Posted By kernelist
Download xperf and run these commands: >xperf...

Download xperf and run these commands:
>xperf -on fileio+disk_io_init+drivers -maxfile 30 -filemode circular
<wait for a spike, and type the following command a couple of seconds after the spike>...
Forum: Performance & Maintenance 14 Feb 2010
Replies: 76
Views: 28,252
Posted By kernelist
Very interesting investigation! However,...

Very interesting investigation!
However, sorting the DPC CPU usage summary table (from the Xperf trace) by modules rather than by functions would have shown directly that kl1.sys was the culprit...
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