kern/182750: FreeBSD 9.2: panic: page fault

David Naylor dbn at
Sun Oct 6 16:10:00 UTC 2013

>Number:         182750
>Category:       kern
>Synopsis:       FreeBSD 9.2: panic: page fault
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sun Oct 06 16:10:00 UTC 2013
>Originator:     David Naylor
>Release:        FreeBSD 9.2 #0 (from source)
FreeBSD ultra.dg 9.2-RELEASE FreeBSD 9.2-RELEASE #0 r+05c3e78: Mon Sep 30 19:30:57 SAST 2013
     root at dragon.dg:/tmp/home/freebsd/9.2/src/sys/MODULAR  amd64
Sometimes the kernel panics when a new program is launched.  This is more frequent when using a graphical environment although does occur on occasion when using just a console.  

This panic started somewhere between FreeBSD 9.1 and 9.2 (while tracking stable/9).  Occurring at least at revision 24c4fd7 and d42e7f7 (using the git revision number from  

I have 9 core dumps from this crash, six from the earlier revision (24c4fd7), one from the other revision (d42e7f7) and two from the current revision (05c3e78).  See for the latest crash log (additional logs available upon request).  
Sporadic with no set procedure to trigger except using FreeBSD (triggers on program launch).  


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