assertion failed when attaching USB MSD device

version: git rev be5ea8ed4481f0ffa4ea0f7ba13e465701536001
commandline: qemu-system-i386 -usb -fda dosusb.img -drive if=none,id=usbstick,file=usb.img -device usb-storage,bus=usb.0,drive=usbstick -boot a -L d:\_programs\qemu

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Microsoft Visual C++ Runtime Library
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Assertion failed!

Program: E:\qemu-system-i386.exe
File: C:/msys/home/User/qemu/hw/usb/hcd-uhci.c
Line: 968

Expression: ret == TD_RESULT_ASYNC_START

For information on how your program can cause an assertion
failure, see the Visual C++ documentation on asserts

(Press Retry to debug the application - JIT must be enabled)
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Abort   Retry   Ignore   
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