crash with USB floppy connected at boot

(drivers/usb/usbehci/usbehci.c:713) EHCI_CloseEndpoint: EhciEndpoint - B83DE794, DisablePeriodic - 0

*** Assertion failed: TransferedLen == sizeof(USB_DEVICE_DESCRIPTOR)

***   Source File: /srv/buildbot/worker_data/Build_GCCLin_x86/build/drivers/usb/usbport/device.c, line 1392

Break repeatedly, break Once, Ignore, terminate Process or terminate Thread (boipt)?

kdb:> b

Execute '.cxr F7631374' to dump context

Entered debugger on embedded INT3 at 0x0008:0x805AAF4E.

kdb:> bt

Eip:

<ntoskrnl.exe:1aaf4e (:0 (DbgUserBreakPoint))>

Frames:

<usbport.sys:31b6 (drivers/usb/usbport/device.c:1392 (USBPORT_InitializeDevice))>

<usbport.sys:638e (drivers/usb/usbport/iface.c:63 (USBHI_InitializeUsbDevice))>

<usbhub.sys:b9c6 (drivers/usb/usbhub/usbhub.c:2583 (USBD_InitializeDeviceEx))>

<usbhub.sys:dcb7 (drivers/usb/usbhub/usbhub.c:4513 (USBH_CreateDevice))>

<usbhub.sys:5365 (drivers/usb/usbhub/pnp.c:1257 (USBH_FdoQueryBusRelations))>

<usbhub.sys:6e92 (drivers/usb/usbhub/pnp.c:2470 (USBH_FdoPnP))>

<usbhub.sys:e6a4 (drivers/usb/usbhub/usbhub.c:4925 (USBH_FdoDispatch))>

<usbhub.sys:e76b (drivers/usb/usbhub/usbhub.c:5047 (USBH_HubDispatch))>

<ntoskrnl.exe:79e3d (ntoskrnl/io/iomgr/irp.c:1286 (IofCallDriver))>

<ntoskrnl.exe:87684 (ntoskrnl/io/pnpmgr/pnpirp.c:67 (IopSynchronousCall))>

<ntoskrnl.exe:87cd5 (ntoskrnl/io/pnpmgr/pnpirp.c:192 (PiIrpQueryDeviceRelations))>

<ntoskrnl.exe:83d7b (ntoskrnl/io/pnpmgr/devaction.c:2398 (PiDevNodeStateMachine))>

<ntoskrnl.exe:8420a (ntoskrnl/io/pnpmgr/devaction.c:2577 (PipDeviceActionWorker))>

<ntoskrnl.exe:8479a (ntoskrnl/io/pnpmgr/devaction.c:2691 (PiQueueDeviceAction))>

<ntoskrnl.exe:265644 (ntoskrnl/io/iomgr/driver.c:1184 (IopInitializeBootDrivers))>

<ntoskrnl.exe:2666c5 (ntoskrnl/io/iomgr/iomgr.c:557 (IoInitSystem))>

<ntoskrnl.exe:261bb6 (ntoskrnl/ex/init.c:1814 (Phase1InitializationDiscard))>

<ntoskrnl.exe:32eb7 (ntoskrnl/ex/init.c:2026 (Phase1Initialization))>

<ntoskrnl.exe:140316 (ntoskrnl/ps/thread.c:156 (PspSystemThreadStartup))>

<ntoskrnl.exe:164131 (ntoskrnl/ke/i386/thrdini.c:78 (KiThreadStartup))>

<ntoskrnl.exe:1402e9 (ntoskrnl/ps/thread.c:63 (PspUserThreadStartup))>

--- Press q to abort, any other key to continue ---

<ec835356>

Couldn't access memory at 0x57E58959!

kdb:>