kern/114458: panic when doing ftp put on FreeBSD-CURRENT

[Rick Macklem]

>Number:         114458
>Category:       kern
>Synopsis:       panic when doing ftp put on FreeBSD-CURRENT
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Jul 09 19:30:07 GMT 2007
>Closed-Date:
>Last-Modified:
>Originator:     Rick Macklem
>Release:        FreeBSD-CURRENT ay 2007 snapshot
>Organization:
Univ of Guelph
>Environment:
FreeBSD 7.0-CURRENT-200705 #0: Mon May 7 11:24:25 UTC 2007
root at almeida.cse.buffalo.edu: /usr/obj/usr/src/sys/GENERIC
i386
>Description:
When doing ftp "put" operations, the kernel sometimes panics, as follows:
System call write returning with the following locks held:
exclusive sleep mutex so_rnd r = 0 (0xc2d5f5a4) locked @
/usr/src/sys/kern/uipc_socket.c:1175
panic: witness_warm
cpuid = 1

>How-To-Repeat:
Run ftp and put a large file.
>Fix:


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