kern/62309: Panics in ugen driver

[Jay Cornwall]

>Number:         62309
>Category:       kern
>Synopsis:       Panics in ugen driver
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Feb 03 06:30:11 PST 2004
>Closed-Date:
>Last-Modified:
>Originator:     Jay Cornwall
>Release:        5.2-CURRENT
>Organization:
Evil Realms
>Environment:
FreeBSD python.evilrealms.net 5.2-BETA FreeBSD 5.2-BETA #7: Tue Jan  6 00:04:44 GMT 2004     root at python.evilrealms.net:/usr/src/sys/i386/compile/PYTHON  i386
>Description:
The ugen driver has several potential panics as described in full in this mailing list post:

http://lists.freebsd.org/pipermail/freebsd-current/2004-January/017967.html
>How-To-Repeat:
Not all the panics are reproducable, two can be reproduced as described in the first two links inside the above post.
>Fix:
http://people.evilrealms.net/~jay/patches/freebsd/ugen-panic.patch
>Release-Note:
>Audit-Trail:
>Unformatted: