Hi Current... I think there may be a problem with the USB2 stack and the umass driver on AMD64. I have tried this with both a USB SATA/IDE controller and a USB flash stick. Both of them give similar results below. Please note that the disconnect message is when I pulled the device out of the USB port on the computer. feathers$ uname -a FreeBSD feathers.peganest.com 8.0-CURRENT FreeBSD 8.0-CURRENT #43: Sun Jan 11 02:40:44 UTC 2009 ken_at_feathers.peganest.com:/usr/obj/usr/src/sys/FEATHERS amd64 (USB IDE/SATA controller) usb2_set_config_index:582: could not read device status: USB_ERR_SHORT_XFER ugen7.2: <JMicron> at usbus7 umass0: <MSC Bulk-Only Transfer> on usbus7 umass0: SCSI over Bulk-Only; quirks = 0x0000 umass0:15:0:-1: Attached to scbus15 usb2_pc_common_mem_cb:429: Page offset was not preserved! usb2_pc_common_mem_cb:429: Page offset was not preserved! usb2_pc_common_mem_cb:429: Page offset was not preserved! usb2_pc_common_mem_cb:429: Page offset was not preserved! usb2_pc_common_mem_cb:429: Page offset was not preserved! umass0: at ushub7, port 1, addr 2 (disconnected) ugen7.2: <JMicron> at usbus7 (disconnected) (USB Flash Stick) ugen7.2: <USB 2.0> at usbus7 umass0: <BUCK> on usbus7 umass0: SCSI over Bulk-Only; quirks = 0x0000 umass0:15:0:-1: Attached to scbus15 usb2_pc_common_mem_cb:429: Page offset was not preserved! usb2_pc_common_mem_cb:429: Page offset was not preserved! usb2_pc_common_mem_cb:429: Page offset was not preserved! usb2_pc_common_mem_cb:429: Page offset was not preserved! usb2_pc_common_mem_cb:429: Page offset was not preserved! umass0: at ushub7, port 1, addr 2 (disconnected) ugen7.2: <USB 2.0> at usbus7 (disconnected) PegReceived on Sun Jan 11 2009 - 09:41:57 UTC
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