Tech Support > Microsoft Windows > Drivers > Multiple requests on KMDF
Multiple requests on KMDF
Posted by Paul_Simon on August 1st, 2006


Does anyone try multiple WDFREQUEST on USB bulk out?
When I test ndistest "SendRecvStress_cmn", I found that
my previous WDFREQUEST didn't complete.

Any ideas would be appreciated.

Thanks!



Posted by Doron Holan [MS] on August 2nd, 2006


yes i have done this. if the request didn't complete, it is probably a hw
issue if the request was sent successfully

d

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Posted by Eliyas Yakub [MSFT] on August 5th, 2006


What OS and service pack? I have seen folks running into this sort of issue
on Win2K. To workaround, drivers used to serial their requests to USB stack.
Search google.

-Eliyas

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