Try to place a space in front of the filter drivers name in the
UpperFIlters. For some reason, this fixes the odd issue I am seeing.
On Wed, Jul 5, 2017 at 3:44 PM wrote:
> @Mikae, yes I am testing on a fully clean OS, Windows 10 Enterprise
> Creators Update (90 days evaluation version).
> I also tried putting breakpoints on access to refcounts, you can check the
> output earlier in this same thread.
> I don’t have my work machine at this moment (sorry, different time zones),
> next time I will put !devstack output.
>
> @Doron, no AV software or any other kind installed, OS is fully clean,
> with no 3rd party programs involved.
> I haven’t tried with other device classes but I suspect it has something
> to do with storage stack.
>
> It’s also worth noting, that if I set the driver as LowerFilter, the
> problem goes away.
> It also works OK if I change the order of UpperFilter values, so the
> Toaster filter is first and “partmgr” is second.
>
> Thanks guys for your time!
>
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