Re: [edk2] For USB devices, what's the difference between QEMU and real machine?

tel's? How long is the timeout value you passed in at your APP? Thanks Feng -Original Message- From: edk2-devel [mailto:edk2-devel-boun...@lists.01.org] On Behalf Of Iru Cai Sent: Wednesday, June 1, 2016 9:53 AM To: edk2-devel@lists.01.org Subject: [edk2] For USB devices, what's

[edk2] For USB devices, what's the difference between QEMU and real machine?

Hi, I wrote a USB CCID driver and it works on QEMU with OVMF. However, I found it fail on real machines. First I boot a laptop with UEFI support to UEFI shell. Then I load the driver and insert the CCID device (I'm using a Yubikey 4), and I can see the driver successfully run the DriverBindingSta