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From: Pegasus Mc Cleaft <ken@mthelicon.com>
Organization: Feathers
To: current@freebsd.org
Date: Sun, 11 Jan 2009 10:41:53 +0000
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Subject: USB2 & umass problem
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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@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)

Peg