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Date:      Wed, 30 Jul 2003 18:41:03 -0400
From:      Scot Loach <sloach@sandvine.com>
To:        "'freebsd-stable@freebsd.org'" <freebsd-stable@freebsd.org>
Subject:   kernel panic 
Message-ID:  <FE045D4D9F7AED4CBFF1B3B813C8533701AE868E@mail.sandvine.com>

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Yesterday I had a kernel panic on a FreeBSD 4.7 system.  Looking at the core
dump, it was caused by a corrupted uidinfo pointer referenced by a tcp pcb.
I searched through the archives and found an identical stack trace in this
message from 2000:

http://docs.freebsd.org/cgi/getmsg.cgi?fetch=322837+0+archive/2000/freebsd-s
table/20000625.freebsd-stable

This was apparently fixed by a patch discussed in this thread.

http://www.geocrawler.com/archives/3/171/2000/11/0/4718890/

The patch was applied to version 1.66 and 1.67 of /sys/kern/kern_resource.c

I browsed through the CVS for these changes, but found no evidence of them
ever being merged to RELENG_4.

This is a real memory corruption in the kernel.  If these changes were never
merged, does anyone know wny?  Can anyone suggest a course of action to
resolve this? 




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