Re: What is causing this rebalance?

if you are root enumerated, then the PDO for your stack is probably failing
the query stop. are you trying to claim a resource that is already in use?

d

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"jr" <jrice@xxxxxxxx> wrote in message
news:1150848794.320439.152060@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
I'm modifying the toaster bus sample to support other devices, and no
matter what resources I request for these devices, the PnP system tries
to rebalance and (eventually) fails. I can't figure out what resources
are in conflict.

Here is the output from kd for the resources I'm requesting for this
particular device:

ResReqList: Interface: ffffffff, Bus: fff, Slot: 0, AlternativeLists: 1
Alternative List: DescCount: 1
Opt: 1, Share: 3 IO Min: 0:00000000, Max: 0:0000ffff, Algn: 1, Len
1

This port range does include some ports that are not in use by any
other device, as near as I can tell from the other Resource Requirement
Lists printed out in kd. Is there another way to see where the conflict
is happening?

One other curious thing: My bus driver FDO gets
IRP_MN_QUERY_STOP_DEVICE, which it succeeds, and then it immediately
gets IRP_MN_CANCEL_STOP_DEVICE. Could that be part of the problem, and
if so, how do I find out who's failing the QUERY_STOP_DEVICE?

Thanks,
John



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