usb/120873: if_zyd and if_rum panic in usb_transfer_complete

[Alan Sanders]

>Number:         120873
>Category:       usb
>Synopsis:       if_zyd and if_rum panic in usb_transfer_complete
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-usb
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Feb 20 06:50:01 UTC 2008
>Closed-Date:
>Last-Modified:
>Originator:     Alan Sanders
>Release:        7.0-RC2
>Organization:
Scientify Inc.
>Environment:
FreeBSD  7.0-RC2 FreeBSD 7.0-RC2 #4: Thu Feb 14 21:23:27 PST 2008
>Description:
Repeatable crash when using USB drivers if_zyd or if_rum.
Crash occurs in:
0xc06d2fd5 in usb_transfer_complete (xfer=0x0)
    at /usr/src/sys/dev/usb/usbdi.c:977

>How-To-Repeat:
Use either a Zydas or a Ralink 2501 based USB wireless.
Put some light load on the network (wget a file).
Panic will occur in a minute or two.

>Fix:


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