Windows 8.1 - Toshiba stack - page fault in nonpaged area

[TonyJuurlink]

Hello,

I am getting the following error at "wclServer.Listen()", reproducible the BlueChatServer demo application:
  (blue screen)
  page fault in nonpaged area (tosrfcom.sys)

The hardware is a Getac V110, windows 8.1 Pro.
Toshiba bluetooth driver tosfusb.sys v8.1.3109.0

Our product uses the .net edition wcl version 6.12.6.0, but I did download your 6.14.8 demo and it is experiencing the same crash.

Do you have any thoughts, or is there any other information you would need to diagnose?

Thanks,
Tony

[Mike Petrichenko]

Hello,

Thank you for your report.

I will check it today and back to you with more information about fixes.

[Mike Petrichenko]

Hello,

We have been testing it all the day today and finally reproduced the problem. Now we are going to try to fix it. I will update you with result.

[TonyJuurlink]

Thanks for looking at this so promptly Mike

[Mike Petrichenko]

Ok, we have been working on this issue and found that:

1. Use the latest WCL availbale on our site. Make sure that after build wcl.dll placed in Build folder has latest WCL version/
2. Update Toshiba drivers to at least 9.x.x.x

Should work. Let me know if it does not and I will continue working on this.

P.S. The problem appeared in Toshiba kernel driver. After update to the 9.x and higher it works as expected.

[TonyJuurlink]

Hi Mike,

I have installed Toshiba Stack v9.10.15 and am still getting the blue screen.  I have attached a screenshot of the Programs and Features window with the relevant Toshiba Stack details and Intel bluetooth  installs.

Is there anything else that could help troubleshoot?

Thanks,
Tony

[attachment deleted by admin]

[Mike Petrichenko]

Do you use the latest WCL version? Whe you build yhe project Visual Studio may still use old one. Please make sure that wcl.dll used by your application has latest version.

Also please trh BluetoothOPPServer demo. Does it crash too?

Do you use 32 or 64 bit wcl.dll?

[TonyJuurlink]

Hi Mike,

I am using the most recent wcl version (trial version download), and reproducing with the chat server demo application.  32bit wcl components.  I am out of the office now, but I will try the BluetoothOPPServer demo tomorrow.

Thanks,
Tony

[TonyJuurlink]

Hi Mike,

I've tried the following:

BlueChatServer x86 .Net4 - crashes on Listen
BluetoothOPPServer x86 .Net4 - crashes on Listen

BlueChatServer x64 .Net4 - crashes on Listen
BluetoothOPPServer x64 .Net4 - crashes on Listen

[Mike Petrichenko]

Ok, thank you a lot. I am continue working on this matter and will update you as soon as possible with my result.

[Mike Petrichenko]

Hello,

Please, try to run the attached application.

After you start it select RFCOMM->RFCOMM Test..

Then click "Assign", then "Create". Let me know if it crashes or no.

[attachment deleted by admin]

[TonyJuurlink]

Mike,

There has been some progress on this end.  Our customer has sent us one of their Getac devices, where we were encountering/reproducing the crash.  After wiping the device and re-installed Windows 8.1Pro and the toshiba stack (same version as they initially had installed), the crash no longer occurs.  We are hoping to get detailed install/update/versioning steps on how they setup their tablets to determine what is being introduced that is causing the crash.  If we can isolate the issue, we'll let you know.

We will send our customer the test application you provided and ask that they test following your instructions. 

Thanks,
Tony

[Mike Petrichenko]

In fact it happens with Toshib asometimes. But that would be really nice if your customer may run the test app. Thank you.

[TonyJuurlink]

Hello Mike,

Our customer has sent us the results.  Screenshot attached.

This was their response:
----
We got another tablet with a Bluetooth issue so I did the Toshiba Bluetooth Diagnostic Test.  I attached a screenshots of the diagnostic window.    I selected the RFCOMM tab, clicked RFCOMM Test, clicked Assign, and clicked Create.  One thing I noticed is that the

[attachment deleted by admin]

[Mike Petrichenko]

Hello,

Thank you a lot. I continue working on this.