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idata
Community Manager
18,397 Views

netwtw06.sys and bsod

Laptop with Intel Dual Band Wireless-AC 8265 wireless LAN adapter is experiencing intermittent blue screens since upgrading from Windows 10 1607 to 1709. The actual bug check codes vary; it's a mix of c2, 1C6, A, 7E, 50, 139. The errors mostly occur when machine is undocked connecting wirelessly to the LAN.

Suspecting the wifi drivers to be an issue, we enabled driver verifier with the setting "NDIS/WIFI" and scanning all the Intel drivers. Analysis of the dmp files points to the netwtw.06sys driver. Observation is similar to thread: . Machine appears to blue screen when switching between wireless access points. Any insight into what specific action/command could be triggering this? Note: the latest version of the driver is installed. Version 20.70.3.3. Thanks.

ffff9708`fbe07118 fffff80e`27ae52ac : 00000000`000000c4 00000000`00091002 fffff80e`27af2638 ffff9a0d`8cbdab70 : nt!KeBugCheckEx

ffff9708`fbe07120 fffff80e`27ad280b : fffff80e`27af2638 ffff9a0d`8cbdab70 ffff9708`fbe07200 ffff9a0d`8cbdac48 : VerifierExt!SLIC_StatefulAbort+0xadc

ffff9708`fbe071c0 fffff80e`27766528 : fffff80e`2a699ea0 ffff9889`14498f24 ffff9889`14498f24 00000000`0000007f : VerifierExt!XdvNdisMOidRequestComplete_wrapper+0x11b

ffff9708`fbe07230 fffff80e`2a6998f9 : fffff80e`2a691b90 00000000`000000b8 00000000`00000000 00000000`00000000 : ndis!ndisVerifierNdisMOidRequestComplete+0x28

ffff9708`fbe07270 fffff80e`2a699ecc : fffff80e`2a699ea0 ffff9888`fe3e4b80 ffff9889`14498f24 fffff80e`2abc4000 : Netwtw06+0x98f9

ffff9708`fbe07310 fffff80e`2a691b35 : 00000000`00000000 fffff80e`2a699ea0 fffff80e`2abc4000 00000000`00000000 : Netwtw06+0x9ecc

ffff9708`fbe07340 fffff80e`2a699bf4 : fffff80e`2a691bc0 ffff9888`ff098a2c 00000000`00000000 fffff80e`2abc4000 : Netwtw06+0x1b35

ffff9708`fbe073a0 fffff80e`2a6d76c7 : fffff80e`2a699a90 ffff9708`fbe07540 fffff80e`2a6d7560 ffff9889`14498f24 : Netwtw06+0x9bf4

ffff9708`fbe073e0 fffff80e`2a7b3b11 : fffff80e`2abc4000 ffff9708`fbe07540 fffff80e`2a6d7560 ffff9888`fe592ea0 : Netwtw06+0x476c7

ffff9708`fbe07440 fffff80e`2a6d6f77 : fffff80e`2a691b90 00000000`0000007f 00000000`000000b8 ffff9a0d`8e113e10 : Netwtw06+0x123b11

ffff9708`fbe075f0 fffff80e`2a6974aa : ffff9888`fe498f04 00000000`00000000 00000000`00000001 fffff80e`2a697b8c : Netwtw06+0x46f77

ffff9708`fbe076d0 fffff80e`2775d93b : ffff9a0d`8e1301a0 ffff9a0d`8e11e6e0 00000000`e440007f ffff9a0d`8a850014 : Netwtw06+0x74aa

ffff9708`fbe07730 fffff80e`2777c4b9 : ffff9889`15444f40 fffff80e`2afebfc8 ffff9a0d`8e7800c8 ffff9889`15444f20 : ndis!ndisMRawInvokeDirectOidRequest+0x5f

ffff9708`fbe07770 fffff80e`2af59e1f : ffff9889`15444f40 fffff80e`2afebfc8 ffff9a0d`8e7800c8 fffff80e`2afecae8 : ndis!ndisMpHookInvokeDirectOidRequestHandler+0x9

ffff9708`fbe077a0 fffff80e`2af6858f : 00000000`00000000 ffff9889`1675ee48 ffff9a0d`8e780490 fffff80e`2afecb38 : wdiwifi!CCtlPlane::SendWdiCommand+0x2e7

ffff9708`fbe07820 fffff80e`2af683ff : ffff9a0d`0000007f ffff9888`000000d3 ffff9889`15444f20 00000000`00000000 : wdiwifi!DeviceCommandScheduler::OnIssueNextCommandHandler+0x183

ffff9708`fbe07890 fffff80e`2af664fd : ffff9888`fe3d6fe0 ffff9a0d`8e780328 ffff9a0d`8e74a720 ffff9a0d`8e113e10 : wdiwifi!DeviceCommandScheduler::OnEventQueueCallback+0x5f

ffff9708`fbe078c0 fffff80e`2af6701e : ffff9a0d`8e780330 fffff80e`2afecae8 ffff9a0d`8f95c040 00000000`00000000 : wdiwifi!EventQueue::ProcessEventQueueUntilEmpty+0x13d

ffff9708`fbe07920 fffff80e`2af59474 : ffff9a0d`8e787cf0 ffff9a0d`8e11e060 ffff9a0d`8e11e060 00000000`00000000 : wdiwifi!EventQueue::OnWorkItemCallback+0x5e

ffff9708`fbe07960 fffff80e`26c1f9fd : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : wdiwifi!CWdfWorkItemContext::s_WdfWorkItemCallback+0x44

ffff9708`fbe07990 fffff80e`26c39389 : fffff80e`283e4200 ffff9a0d`8e787cf0 ffff6da2`d646bccc fffff803`c0cc1f14 : Wdf01000!FxWorkItem::WorkItemHandler+0x81 [minkernel\wdf\framework\shared\core\fxworkitem.cpp @ 374]

ffff9708`fbe079d0 fffff803`c0daf9fb : ffff9a0d`8e74c260 ffff9a0d`8e74c260 ffff9a0d`8e11e060 ffff9a0d`8a897d20 : Wdf01000!FxWorkItem::WorkItemThunk+0x29 [minkernel\wdf\framework\shared\core\fxworkitem.cpp @ 439]

ffff9708`fbe07a10 fffff803`c0cc1b45 : ffff9a0d`8a897d20 ffff9a0d`8f95e040 fffff803`c0daf900 00000000`00000009 : nt!IopProcessWorkItem+0xfb

ffff9708`fbe07a80 fffff803`c0d7c157 : ffff9a0d`8f95e040 00000000`00000080 ffff9a0d`8a8b2440 ffff9a0d`8f95e040 : nt!ExpWorkerThread+0xf5

ffff9708`fbe07b10 fffff803`c0e1df46 : fffff803`bf0ba180 ffff9a0d`8f95e040 fffff803`c0d7c110 00000000`00740073 : nt!PspSystemThreadStartup+0x47

ffff9708`fbe07b60 00000000`00000000 : ffff9708`fbe08000 ffff9708`fbe01000 00000000`00000000 00000000`00000000 : nt!KiStartSystemThread+0x16

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8 Replies
idata
Community Manager
1,326 Views

kl8675309: Thank you for joining the Intel® communities support.

 

 

In order to try to fix this problem, we recommend a clean installation of the wireless driver provided by the manufacturer of the laptop, on the link below you will find the instructions of how to do it:

 

https://www.intel.com/content/www/us/en/support/articles/000022173/network-and-i-o/wireless-networki...

 

 

If the problem persists after that, then we can always try to install the Intel generic wireless driver version 20.80.0:

 

https://downloadcenter.intel.com/download/28143/Intel-PROSet-Wireless-Software-and-Drivers-for-Windo...

 

 

Regards,

 

Alberto R.

 

 

Intel Customer Support Technician

 

Under Contract to Intel Corporation
idata
Community Manager
1,326 Views

kl8675309: I just wanted to check if the information posted previously was useful for you and if you need further assistance on this matter?

 

 

Regards,

 

Alberto R.

 

 

Intel Customer Support Technician

 

Under Contract to Intel Corporation
idata
Community Manager
1,326 Views

Followed steps to perform a "clean" install of the wireless driver. No difference. Laptop still generates a blue screen under the same test conditions (with Verifier enabled and moving from one WAP to another).

Tried to download the "generic" wifi-driver, but the link simply points to the version of the driver that we are already using. Even though the version of the PROSet software is 20.80.0, the driver itself is still version 20.70.0. Following text is cut from the link.

Intel PROSet/Wireless WiFi Software version = 20.80.0

Driver version = 20.80.0.5 for Windows 10 for 9461, 9462, 9560, 9260 adapters.

  • Driver version = 20.70.1.1 for Windows 10 for 18265, 8265, 18260, 8260 adapters.
  • Driver version = 19.51.14.1 for Windows 10 for 3168, 3165, 7265 (Rev. D), and 17265 adapters.
  • Driver version = 18.33.13.4 for Windows 10 for 7265 (Rev. C), 7260 and 3160 adapters.
idata
Community Manager
1,326 Views

kl8675309: For testing purposes what we can try is a roll back of the driver in order to confirm if the problem gets fixed that way.

 

Please enter device manager, select "Network Adapters", right click on the driver and select "Properties", look for the "Driver" tab and select "Roll Back". PLease let us know the results once get the chance.

 

 

Regards,

 

Alberto R.

 

 

Intel Customer Support Technician

 

Under Contract to Intel Corporation
idata
Community Manager
1,326 Views

We started with 20.40.x when we initially upgraded to 1709. We went through the typical "let's update the drivers" exercise when we first encountered the BSOD. We have since upgraded to 20.50.x, 20.60.x, and now 20.70.x and still continue to have issues. Is there no other way to enable some additional log settings to troubleshoot this problem?

idata
Community Manager
1,326 Views

kl8675309: Thank you very much for letting us know those results, we are sorry to hear the issue persists.

 

 

In regard to your question, the next thing to do will be to get in contact directly with the manufacturer of the laptop, so they can verify if there is an option to enable additional log settings and for them to provide further suggestions and technical support for this scenario.

 

 

Regards,

 

Alberto R.

 

 

Intel Customer Support Technician

 

Under Contract to Intel Corporation
oBila
Beginner
1,326 Views

I am having the exact issue and it it seems like there's no solution here.

I also have "Intel Dual Band Wireless-AC 8265 wireless LAN adapter" and I have updated to the latest driver " 20.70.6.1",

Your link to the 20.8... version only installs a "20.70.1.1" version which is outdated than my current one.

I am on Windows 10 Pro Build 10240

I experience the BSOD on average once every 24 Hours, I can't determine the exact activity that triggers it but it comes with the error code "SYSTEM_THREAD_EXCEPTION_NOT_HANDLED(Netwtw06.sys)

 

By the way, I decided to dual boot my Laptop and run Fedora 29 which has absolutely no issues.

 

I bought it as a refurbished laptop so I'm not sure if the error existed on previous Windows 10 versions.

However when I got it, it was clean so I doubt it can be corrupted files as the first incidence occurred before I installed any apps.

 

I have tried all of the above but to no luck as well. If there has been any progress please advise me.

oBila
Beginner
1,326 Views

Update: I fixed the issue by installing a fresh copy of windows. Of which comes with a pretty outdated driver version 20.50.1.1. My windows updated from build 107**.... (Not exactly sure) to Build 17763.316

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