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 [1544] VS2k5sp1: 100% CPU utilization on scroll

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T O P I C    R E V I E W
kcsasquatch Posted - Mar 15 2007 : 5:29:39 PM
Hi,

I have been experiencing a problem ever since I installed Visual Studio 2005 SP1. The problem did not occur with out-of-the-box VS2005, it was introduced with SP1.

To reproduce, I do the following:
- Start VS2005sp1
- Load my solution (contains 32 projects with hundreds of C++ files)
- Wait until VA_X stops printing messages in the status bar and CPU goes to idle.
- Open any C++ source file
- Page down 2-3 times.

Result:
- CPU utilization jumps to 100% and remains there for several seconds. VS2005 is unresponsive until the utilization drops back down, so I have to wait. Analyzing the devenv.exe process with Process Explorer, I can see that the responsible thread has the following call stack:

ntoskrnl.exe!KiDispatchInterrupt+0x7f
ntoskrnl.exe!KiThreadStartup+0x16
NDIS.sys!ndisWorkerThread
va_x.dll!DllRegisterServer+0x14eae
va_x.dll!DllRegisterServer+0x14fbf
va_x.dll+0x10552
va_x.dll+0x10910
va_x.dll!UpdateDbgState+0x1d789
va_x.dll!UpdateDbgState+0x1d7b4
va_x.dll!UpdateDbgState+0x33ec0

What I tried:

- I deleted directory C:\\Program Files\\Visual Assist X\\vc8 to clear the VA_X symbol cache in case there were any corrupt database files. But the problem was immediately reproducible, so I don't think this helped.

I created log files using the steps defined in http://docs.wholetomato.com?W305, but I do not see how to attach them to this message. Please let me know how to get the logs to you.


System information from VA_X about box follows:

VA_X.dll file version 10.3.1544.0 built 2007.01.10
Licensed to:
VA X: [email protected] (6-user license) Support ends 2007.07.10
VAOpsWin.dll version 1.3.4.2
VATE.dll version 1.0.5.6
DevEnv.exe version 8.0.50727.762
msenv.dll version 8.0.50727.762
Font: Courier New 13(Pixels)
Comctl32.dll version 6.0.2900.2982
Windows XP 5.1 Build 2600 Service Pack 2
Single processor

Platform: Win32
Stable Includes:
C:\\Program Files\\Microsoft SDKs\\Windows\\v6.0\\Include;
c:\\Program Files\\Microsoft Visual Studio 8\\VC\\include;
c:\\Program Files\\Microsoft Visual Studio 8\\VC\\atlmfc\\include;
c:\\Program Files\\Microsoft Visual Studio 8\\VC\\PlatformSDK\\include;
c:\\Program Files\\Microsoft Visual Studio 8\\SDK\\v2.0\\include;
c:\\DXSDK\\Include;
C:\\WINDDK\\3790.1830\\inc\\ddk\\wdm\\wxp;
C:\\WINDDK\\3790.1830\\inc\\ddk\\wxp;
C:\\WINDDK\\3790.1830\\inc\\wxp;

Library Includes:
c:\\Program Files\\Microsoft Visual Studio 8\\VC\\atlmfc\\src\\mfc;
c:\\Program Files\\Microsoft Visual Studio 8\\VC\\atlmfc\\src\\mfcm;
c:\\Program Files\\Microsoft Visual Studio 8\\VC\\atlmfc\\src\\atl;
c:\\Program Files\\Microsoft Visual Studio 8\\VC\\crt\\src;

Other Includes:

4   L A T E S T    R E P L I E S    (Newest First)
support Posted - Mar 17 2007 : 4:04:49 PM
Case 5298 is fixed in build 1549.
sean Posted - Mar 15 2007 : 7:19:01 PM
case=5298
sean Posted - Mar 15 2007 : 5:38:18 PM
Response sent by email.
kcsasquatch Posted - Mar 15 2007 : 5:35:08 PM
Oops, should have searched first. This issue appears to be the same as the one reported in http://forum.wholetomato.com/forum/topic.asp?TOPIC_ID=5934.

Note:
- I have disabled default intellisense in the options dialog.
- I have renamed feacp.dll to disable intellisense completely.

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