USB2 weirdness (continued)

Hello, -currenters!


Today I have decided to give EHCI another try.
This time with SONY "MicroVault" USB mass storage device.
Well, guess what - it is also not working ;-(


uhci0: <Intel 82801DB (ICH4) USB controller USB-A> port 0xdf20-0xdf3f irq 11 
at device 29.0 on pci0
uhci0: [GIANT-LOCKED]
usb0: <Intel 82801DB (ICH4) USB controller USB-A> on uhci0
usb0: USB revision 1.0
uhub0: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered

[ 2 more identical entries skipped ]

usb3: EHCI version 1.0
usb3: companion controllers, 2 ports each: usb0 usb1 usb2
usb3: <EHCI (generic) USB 2.0 controller> on ehci0
usb3: USB revision 2.0
uhub3: Intel EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
uhub3: 6 ports with 6 removable, self powered

uhub4: Sony USB Embedded Hub, class 9/0, rev 2.00/0.01, addr 2
uhub4: 1 port with 0 removable, self powered
uhub4: cannot open interrupt pipe
device_attach: uhub4 attach returned 6

Cheers,
         AL