Re: HCT12.1 test for one USB device always failed
- From: "Andrew" <universalkludge@xxxxxxxxxxx>
- Date: Fri, 15 Apr 2005 10:45:29 -0700
I believe that's your firmware problem
Download USB Command Verifier from http://www.usb.org/developers/tools/ and
make sure that your device passes all tests; use CATC to debug issues
"hzq" <hao@xxxxxxx> wrote in message
news:896ffb9d.0504141148.500b9ac8@xxxxxxxxxxxxxxxxxxxxx
> Hello Sir
>
> In our company , We are doing the HCT12.1 test for one USB device.
> In the test process for "USB adress description test" "USB
> description test" "USBdevice control request test" "USB enuneration
> stress test"
> We all meet the same problem. When we start the test operation and
> view the debug message
> output from driver , It shows:
> after normal initialize . the driver calls
> IRP_MJ_PNP ,minor IRP_MN_QUERY_CAPABILITIES
> IRP_MJ_PNP ,minor IRP_MN_QUERY_BUS_INFORMATION
> IRP_MJ_PNP ,minor IRP_MN_QUERY_DEVICE_RELATION
>
> then following with:
>
> IRP_MJ_PNP ,minor IRP_MN_QUERY_REMOVE_DEVICE
> IRP_MJ_PNP ,minor IRP_MN_REMOVE_DEVICE
>
> BulkUsb_StopDevice
> BulkUsb_RemoveDevice
> BulkUsb_Unload
>
> then HCT start doing device descriptor enumeration many times but
> stops at some point.
> waiting forever . the HCT test process can not be finished.
>
>
> What is the reason for this issue ?
> Why HCT unload the driver before it performe device descriptor
> enumeration .
>
> If it is our driver 's problem or it is the device firmware 's
> problem
>
>
> Thanks a lot
.
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