[ofw] RE: pnpdtest problems with IPoIB

[Leonid Keller]

See inline 

> -----Original Message-----
> From: Fab Tillier [mailto:ftillier at windows.microsoft.com] 
> Sent: Friday, November 14, 2008 6:20 PM
> To: Leonid Keller; Stan C. Smith
> Cc: ofw at lists.openfabrics.org
> Subject: RE: pnpdtest problems with IPoIB
> 
> Hi Leo,
> 
> >The test first sends IRP_MN_QUERY_STOP_DEVICE to IPoIB.
> >IPoIB skips it down to IB_BUS, it skips it down to MLX4_HCA 
> and the latter >returns 103 (STATUS_PENDING), which get 
> returned to PnP manager.
> 
> Why is the bus driver passing the IRP from the PDO's device 
> node down to its parent?  The IPoIB instance is being 
> QUERY_STOP'd, not the HCA.  Why isn't the bus driver 
> completing it (in the context of the PDO)?

My description was not exact, sorry.
The bus driver (bus_port_mgr.c) completes it OK.
But then PnP manager sends QUERY_STOP to the FDO (bus_pnp.c), which - as
FDO is expected to - skips it down the stack till the bus driver.
I've attached a trace with more prints.
Here is a quote from this trace with snips (lines 85-148):

cl_pnp() [
cl_pnp(): IRP_MN_QUERY_STOP_DEVICE for IPoIB
cl_pnp(): IrpComplete: complete IRP with status 0
cl_pnp() ]

cl_pnp() [
cl_pnp(): IRP_MN_QUERY_RESOURCE_REQUIREMENTS for IPoIB
cl_pnp(): IrpComplete: complete IRP with status 0xc00000bb
cl_pnp() ]

cl_pnp() [
cl_pnp(): IRP_MN_FILTER_RESOURCE_REQUIREMENTS for IPoIB
cl_pnp(): IrpComplete: complete IRP with status 0xc00000bb
cl_pnp() ]

cl_pnp() [
cl_pnp(): IRP_MN_QUERY_STOP_DEVICE for IB Bus
cl_pnp(): IrpSkip/IrpIgnore: passing down to PDO 92E964C0, ext 85BE83E0,
status 0
cl_pnp() [
cl_pnp(): IRP_MN_QUERY_STOP_DEVICE for MLX4_HCA driver
cl_pnp(): IrpSkip/IrpIgnore: passing down to PDO 87D77D58, ext 92E96578,
status 0
cl_pnp(): returned with status 0x103
cl_pnp() ]
cl_pnp(): returned with status 0x103
cl_pnp() ]

...

PNPFILTR: FilterCompletionRoutine Completed, event set.
PNPFILTR: FilterCancelStop Setting TestCompleteEvent for stack with PDO
0x874A8530
PNPFILTR: FilterCancelStop returning 0x00000000 for stack with PDO
0x874A8530
PNPFILTR: Query Result Wait Satisfied...  6
PNPFILTR: Number of IRPs Stored...  6
PNPFILTR: Query Result - Releasing the remove
PNPFILTR: Query Result -Result Stored Event set 
Relevant Sequence of Irps:
IRP_MN_QUERY_PNP_DEVICE_STATE
IRP_MN_QUERY_STOP_DEVICE
IRP_MN_QUERY_RESOURCE_REQUIREMENTS
IRP_MN_FILTER_RESOURCE_REQUIREMENTS
IRP_MN_QUERY_INTERFACE
IRP_MN_CANCEL_STOP_DEVICE
Assert: Device node status not as expected: problem code 0
	File=d:\rtm_test\testsrc\basetest\pnp\pnpdtest\user\pnpdtest.c,
Line=323

> 
> -Fab
> 
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