Steven,
I made some progress, and it met failed transaction.
Regards
YH
[FILO]FILO version 0.4.1 (root@tst2723-rh9) Tue May 11 20:39:11 PDT 2004 Press <Enter> for default boot, or <Esc> for boot prompt... timed out boot: uda1:/ram0_2.5_2.6.5_k8.2_mydisk7.elf LinuxLabs USB bootloader raw frame_list is at 000795c0 frame_list is at 0007a000 frame_list_link: addr: 000785d0 frame_list_link: raw addr: efef5f40 frame_list_link: terminate: 00000000 frame_list_link: queue: 00000001 frame_list_link: depth: 00000000 dummy_td = 00070560 raw frame_list is at 0007b5c0 frame_list is at 0007c000 frame_list_link: addr: 000785f0 frame_list_link: raw addr: efef5f60 frame_list_link: terminate: 00000000 frame_list_link: queue: 00000001 frame_list_link: depth: 00000000 dummy_td = 000705a0 raw frame_list is at 0007d5c0 frame_list is at 0007e000 frame_list_link: addr: 00078610 frame_list_link: raw addr: efef5f80 frame_list_link: terminate: 00000000 frame_list_link: queue: 00000001 frame_list_link: depth: 00000000 dummy_td = 000705e0 raw frame_list is at 0007f5c0 frame_list is at 00080000 frame_list_link: addr: 00078630 frame_list_link: raw addr: efef5fa0 frame_list_link: terminate: 00000000 frame_list_link: queue: 00000001 frame_list_link: depth: 00000000 dummy_td = 00070620 Found OHCI at 0d1a2690 Resetting OHCI USB HC reset_hc usb-0d1a2690: ctrl = 0x00000600 ;ohc_init setting framelist to: efef7970 Starting OHCI Found OHCI at 0d1a3690 Resetting OHCI USB HC reset_hc usb-0d1a3690: ctrl = 0x00000600 ;ohc_init setting framelist to: efef9970 Starting OHCI poll_usb1 i=0 poll_o_root_hub1 v=00000100 poll_o_root_hub1 v=00000100 poll_o_root_hub1 v=00000100poll_usb1 i=1 poll_o_root_hub1 v=00000100 poll_o_root_hub1 v=00010101 poll_o_root_hub2 v=00010101poll_o_root_hub21 v=00010101 Connection on port 0d1a36e8 poll_o_root_hub211 v=00000101 poll_o_root_hub212 v=00000101 poll_o_root_hub213 v=00000101 poll_o_root_hub214 v=00000101 New USB device, setting address 00000003 UHCI at 0d1a3690 failed_transaction: TD(00070660): failed_transaction: type: SETUP failed_transaction: retries: 00000003 failed_transaction: IOC failed_transaction: active: 00000001 failed_transaction: device_addr: 00000000 failed_transaction: endpoint: 00000000 failed_transaction: data_toggle: 00000000 failed_transaction: max_transfer: 00000007 failed_transaction: actual: 00000000 failed_transaction: link: failed_transaction: addr: 00070680 failed_transaction: raw addr: efeedff0 failed_transaction: terminate: 00000000 failed_transaction: queue: 00000000 failed_transaction: depth: 00000000 failed_transaction: TD(00070680): failed_transaction: type: IN failed_transaction: retries: 00000000 failed_transaction: active: 00000001 failed_transaction: device_addr: 00000000 failed_transaction: endpoint: 00000000 failed_transaction: data_toggle: 00000001 failed_transaction: max_transfer: 000007ff failed_transaction: actual: 00000000 failed_transaction: link: failed_transaction:ddr: 10182690 failed_transaction:aw addr: 00000000 failed_transaction:erminate: 00000001 failed_transaction:ueue: 00000000 failed_transaction:epth: 00000000 configure_device: set_address failed! configure_device: can't set address! bailing!