Attach Failing.

NTFSD
1

We have a case were an attach is failing because the device being attached
to has its DO_DEVICE_INITIALIZING bit set. How does this bit get reset when
a device is created. Is it true that “This bit needs to be cleared
explicitly after Device Object initialization if the DEVICE_OBJECT is
created in a Dispatch Routine. When created in DriverEntry, it gets cleared
by the I/O Manager”.

Thanks,
Ken

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2

Hi Ken,
You need to clear DO_DEVICE_INITIALIZING bit
explicitly.Pnp Manager checks that the flag is clear
after return from Addevice()

Regards,
Gurpreet
— Ken Galipeau wrote:
> We have a case were an attach is failing because the
> device being attached
> to has its DO_DEVICE_INITIALIZING bit set. How does
> this bit get reset when
> a device is created. Is it true that “This bit needs
> to be cleared
> explicitly after Device Object initialization if the
> DEVICE_OBJECT is
> created in a Dispatch Routine. When created in
> DriverEntry, it gets cleared
> by the I/O Manager”.
>
> Thanks,
> Ken
>
>
>
>
> —
> You are currently subscribed to ntfsd as:
> xxxxx@yahoo.com
> To unsubscribe send a blank email to
> leave-ntfsd-$subst(‘Recip.MemberIDChar’)@lists.osr.com
>

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3

Exactly so.
----- Original Message -----
From: Ken Galipeau
To: File Systems Developers
Sent: Saturday, September 29, 2001 1:18 AM
Subject: [ntfsd] Attach Failing.

We have a case were an attach is failing because the device being attached to has its DO_DEVICE_INITIALIZING bit set. How does this bit get reset when a device is created. Is it true that “This bit needs to be cleared explicitly after Device Object initialization if the DEVICE_OBJECT is created in a Dispatch Routine. When created in DriverEntry, it gets cleared by the I/O Manager”.

Thanks,
Ken

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