usb/138175: System cannot boot, when USB reader without any card

[Rashid N. "Citycat" Achilov]

>Number:         138175
>Category:       usb
>Synopsis:       System cannot boot, when USB reader without any card
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    freebsd-usb
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Aug 25 16:40:01 UTC 2009
>Closed-Date:
>Last-Modified:
>Originator:     Rashid N. "Citycat" Achilov
>Release:        7.2-STABLE
>Organization:
>Environment:
FreeBSD citycat.shelton.net 7.2-STABLE FreeBSD 7.2-STABLE #3: Sun Jul 26 16:17:27 NOVST 2009     root at citycat.shelton.net:/usr/obj/usr/src/sys/Citycat  i386

>Description:
I have recently installed internal card reader with usual 4 separate card readers, one USB port, one firewire port (not used, m/b hasn't any) and one E-SATA port. When any card reader or USB port are empty, kernel loading stops after 

Aug 25 22:59:38 citycat kernel: usb1: <UHCI (generic) USB controller> on uhci1
Aug 25 22:59:38 citycat kernel: usb1: USB revision 1.0
Aug 25 22:59:38 citycat kernel: uhub1: <Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb1
Aug 25 22:59:38 citycat kernel: uhub1: 2 ports with 2 removable, self powered
Aug 25 22:59:38 citycat kernel: uhci2: <UHCI (generic) USB controller> port 0xd000-0xd01f irq 18 at device 26.2 on pci0
Aug 25 22:59:38 citycat kernel: uhci2: [GIANT-LOCKED]
Aug 25 22:59:38 citycat kernel: uhci2: [ITHREAD]
Aug 25 22:59:38 citycat kernel: usb2: <UHCI (generic) USB controller> on uhci2
Aug 25 22:59:38 citycat kernel: usb2: USB revision 1.0
Aug 25 22:59:38 citycat kernel: uhub2: <Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb2
Aug 25 22:59:38 citycat kernel: uhub2: 2 ports with 2 removable, self powered

and system freezes forever.

When I boot with any inserted card in reader or inserted USB Flash - boot OK.

M/b Gigabyte GA-P35-S3, Intel P35-based, BIOS latest
>How-To-Repeat:
Install internal card reader in box with similar hardware and try to boot.
>Fix:
Insert any card in reader or USB Flash before boot

>Release-Note:
>Audit-Trail:
>Unformatted: