Windows 8.1 BSOD: netwlv64.sys

Anonymous
2013-10-23T08:39:56+00:00

My Windows 8.1 Pro running on HP 8510w mobile workstation keeps crashing with a Blue Screen of Death STOP error on random accasions.

Bugcheck code 0x000000d1, DRIVER_IRQL_NOT_LESS_OR_EQAL in netwlv64.sys

The driver is related to the built-in Intel WiFi Link 4965AGN WLAN module.

This is a fresh installation of Windows 8.1 Pro. Using default Microsoft driver for the wireless module:

Driver Provider: Microsoft

Driver Date: 15.08.2010

Driver Version: 13.3.0.137

There is no driver for Windows 8.1 provided by Intel for this module. The one from Microsoft obviously does not work properly and crashes Windows 8.1.

There is another issue with this driver not re-connecting after standby but this I was able to resolve by disabling 802.11n Mode in advanced device properties (device manager). But this is another topic.

There seems to be something seriously wrong with the driver Microsoft provides and Internet research provides many results about people having the same issue. Does anybody have an idea how to fix the issues?

Windows for home | Previous Windows versions | Windows update

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  1. Anonymous
    2013-10-25T12:28:17+00:00

    And it happened again: BSOD in netwlv64.sys after less than 1 hour of operation on Intel 13.4.0.139 driver.

    This really sucks.

    Good luck to you Coincoinlapin.

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  2. Anonymous
    2013-10-23T11:51:52+00:00

    That's incredibly unfortunate, but it may just be the best solution for your situation.

    LOL; you might also just write "I don't care".

    Well for me it's becoming more clear now into which direction the future of Microsoft points and what the consequences for me and my customers are. Perhaps somebody else might still come up with some magic solution or Microsoft fixes the issue with an update. Still hoping for it.

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  3. Anonymous
    2013-10-23T11:02:48+00:00

    That's incredibly unfortunate, but it may just be the best solution for your situation.

    Regards,

    Patrick

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  4. Anonymous
    2013-10-23T11:01:06+00:00

    Hi Patrick,

    Thanks for good advise. But there is also no driver for Windows 8 which is basically why I initially avoided it - along with many other critical bugs and bluescreens. For example when my HP 8510w is on battery and LAN is connected on my Intel 82566MM network card then Windows freezes every couple of seconds for a while. It's impossible to use the machine like this.

    A work-around was posted here. But still no working driver either from Microsoft nor from Intel.

    Windows 8.1 seems to make things worse even according to forum discussions I found when looking for a solution.

    The work-around to disable Message Signaled Interrupt (MSI) in the registry at "HKLM\SYSTEM\CurrentControlSet\Enum\PCI\VEN_8086&DEV...<your-device-id>\Device Parameters\Interrupt Management\MessageSignalInterruptProperties\MSISupported=0" did the trick for me on the LAN adapter. Right now I am trying whether occasional bluescreens on WLAN can be avoided disabling MSI on WLAN interface driver too.

    However to me it looks like there is something seriously broken either in driver compatibility on kernel interfaces or the kernel itself. Moreover the drivers I am using are provided by Microsoft which should actually know how these interfaces work to avoid kernel exceptions which result in STOP error. The fact that not even Microsoft manages to do it right does not add a lot of confidence in Windows 8(.1) stability.

    Perhaps I am better of staying with Windows 7 and also proposing this to all customers. Or directly go for some stable OS.

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  5. Anonymous
    2013-10-23T08:51:37+00:00

    Hi,

    As there is no driver provided by Intel yet, it may be in your best interest to remain on Windows 8 until an 8.1 driver is released.

    Regards,

    Patrick

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