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Windows 7: BSOD 0x0000003b ntoskrnl.exe+75b80 mostly on Shutdown

18 Sep 2013   #1

Windows 7 Home Premium 64bit.
 
 
BSOD 0x0000003b ntoskrnl.exe+75b80 mostly on Shutdown

Hi. I've been getting the error mostly when I shut down.

Attached along is the SF file. I've done 3 memtest86+ tests, one with 5 passes, second with 8 passes & third with 12 passes. So the memory is good.

Also, I have a brand new WD HD. The same problem was taking place when I was using the old HD. I made a windows backup and used the image after installing the new HD. I'm pretty sure the HD is fine too. To me it looks like a system/software issue.

Also the Windows Resource Protection in the SFC system scan found corrupt files 'but was unable to fix some of them'. I have a screenshot included. Don't know where to go next.

Not sure what's causing the error. It would be great if anybody can identify the issue and also explain how it was found.

Thanks.




Attached Thumbnails
BSOD 0x0000003b ntoskrnl.exe+75b80 mostly on Shutdown-err.jpg  
My System SpecsSystem Spec
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18 Sep 2013   #2

Microsoft Community Contributor Award Recipient

Windows 7 64-bit
 
 

To fix files with SFC it often means needing to go into SFC through the recovery environment on the Windows CD as instructed here.

Anyways, I checked the crashdumps and they all point to some btprot.sys driver being responsible. From the Driver Reference DB I use it lists it here as part of some iAnywhere bluetooth USB driver, so it sounds as if it's for some USB bluetooth dongle. The date for the driver is quite old at 2008 (pre-Windows 7), and the reference DB lists the driver and product as being EOL at 2010. I'm not sure what product this driver belongs too, but it needs to be removed and replaced with a more recent one that is Windows 7 compatible.
My System SpecsSystem Spec
18 Sep 2013   #3

Windows 7 Home Premium 64bit.
 
 

Thanks Vir, very much possible since I have been using a usb bluetooth and it had the software installed. I've done a Total Uninstall with all drivers removed and I'll run for some time to check if anything reoccurs (so far so good on restart).

Quote   Quote: Originally Posted by Vir Gnarus View Post
Anyways, I checked the crashdumps and they all point to some btprot.sys driver being responsible.
I'm new to this so is it ok to ask how crashdumps point to a certain driver ? Does the crash address point to it ? How do you figure it out ?
My System SpecsSystem Spec
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18 Sep 2013   #4

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x86 Service Pack 1 - Linux Mint Mate 14 x64
 
 

Do you have a kernel debugger like WinDbg?
My System SpecsSystem Spec
19 Sep 2013   #5

Windows 7 Home Premium 64bit.
 
 

Quote   Quote: Originally Posted by x BlueRobot View Post
Do you have a kernel debugger like WinDbg?
No. I got to the page but lost it. I don't know how it works. I think on the link it was for Win8 or something.
My System SpecsSystem Spec
19 Sep 2013   #6

Microsoft Community Contributor Award Recipient

Windows 7 64-bit
 
 

The debuggers in the Win8.1 Preview WDK can be installed for Windows 7, it's only just updated to incorporate stuff for the new Windows 8 environment as well.

Whenever you get it to open up properly and load symbols, the !analyze -v command does basic analysis to start off with, and fortunately in your case it's very consistent and accurate in that the btprot.sys driver always gets tagged as the culprit, because it was a 3rd-party driver that happened to be related to each incident. For other scenarios, it will take a good bit more prowess than what !analyze -v can do, since it can only go so far and assume what is causing things, so it's up to manual analysis to continue the search.
My System SpecsSystem Spec
19 Sep 2013   #7

Windows 7 Home Premium 64bit.
 
 

Quote   Quote: Originally Posted by Vir Gnarus View Post
The debuggers in the Win8.1 Preview WDK can be installed for Windows 7, it's only just updated to incorporate stuff for the new Windows 8 environment as well.
Ok, got it.

Quote   Quote: Originally Posted by Vir Gnarus View Post
Whenever you get it to open up properly and load symbols, the !analyze -v command does basic analysis to start off with, and fortunately in your case it's very consistent and accurate in that the btprot.sys driver always gets tagged as the culprit, because it was a 3rd-party driver that happened to be related to each incident. For other scenarios, it will take a good bit more prowess than what !analyze -v can do, since it can only go so far and assume what is causing things, so it's up to manual analysis to continue the search.
Oh WinDbg. I was lost for a moment there (since I have yet to download).

Ok, I'll try next time. So far it seems to have solved the problem. I've been using my pc and haven't had any problems since I removed it.

If there's anything more, I'll get back & reply here. I'll also mark the thread as solved in the coming days if everything is good.

Thanks again!
My System SpecsSystem Spec
20 Sep 2013   #8

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x86 Service Pack 1 - Linux Mint Mate 14 x64
 
 

That's good to know
My System SpecsSystem Spec
20 Sep 2013   #9

Microsoft Community Contributor Award Recipient

Windows 7 64-bit
 
 

If you have further interest in this kind of troubleshooting and understanding deep Windows internals, you can start off with something I conjured up in my spare time here. The links section is the most helpful part of it, directing to many, many resources that can help get you started. My favorite is the online show "Defrag Tools" (also linked there) which starts from the very beginning of how to setup Windbg to deep troubleshooting knowledge like how DPCs work.

EDIT: Corrected.
My System SpecsSystem Spec
20 Sep 2013   #10

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x86 Service Pack 1 - Linux Mint Mate 14 x64
 
 

Quote   Quote: Originally Posted by Vir Gnarus View Post
If you have further interest in this kind of troubleshooting and understanding deep Windows internals, you can start off with something I conjured up in my spare time here. The links section is the most helpful part of it, directing to many, many resources that can help get you started. My favorite is the online show "Debug Tools" (also linked there) which starts from the very beginning of how to setup Windbg to deep troubleshooting knowledge like how DPCs work.
Your link points to the homepage of this website, and it's Defrag Tools
My System SpecsSystem Spec
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 BSOD 0x0000003b ntoskrnl.exe+75b80 mostly on Shutdown




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