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Date:      Tue, 10 Feb 2004 00:17:29 +1100
From:      Rob B <robbyrnes@ozemail.com.au>
To:        stable@freebsd.org
Cc:        alpha@freebsd.org
Subject:   ipfw causes crash on load
Message-ID:  <6.0.2.0.2.20040210001147.022f5bf8@127.0.0.1>

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I built kernel and world on my -STABLE box on Saturday night, and now 
ispfw.ko seems broken:

Copyright (c) 1992-2003 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
         The Regents of the University of California. All rights reserved.
FreeBSD 4.9-STABLE #8: Sun Feb  8 10:44:44 EST 2004
     root@erwin.number6:/usr/obj/usr/src/sys/ERWIN
Digital Personal Workstation (Miata)
Digital Personal WorkStation 500au, 500MHz
8192 byte page size, 1 processor.
CPU: EV56 (21164A) major=7 minor=0 extensions=0x1<BWX>
OSF PAL rev: 0x1000000020116
real memory  = 266493952 (260248K bytes)
avail memory = 252788736 (246864K bytes)
Preloaded elf kernel "kernel" at 0xfffffc0000796000.
Preloaded elf module "ispfw.ko" at 0xfffffc00007960c0.

fatal kernel trap:

     trap entry = 0x4 (unaligned access fault)
     a0         = 0xfffffe000000e4dd
     a1         = 0x29
     a2         = 0x1
     pc         = 0xfffffc00003bf89c
     ra         = 0xfffffc00003d5558
     curproc    = 0xfffffc000069be70
         pid = 0, comm = swapper

panic: trap
Uptime: 0s
Automatic reboot in 15 seconds - press a key on the console to abort
--> Press a key on the console to reboot,
--> or switch off the system now.

The only line I can see in /etc/make.conf that would affect this is 
COPTFLAGS - I have :

COPTFLAGS= -O -pipe -funroll-loops -fforce-mem -fforce-addr
CFLAGS= -O -pipe #-funroll-loops -fforce-mem -fforce-addr 
-fno-omit-frame-pointer

Interestingly, these worked fine last time I built a new kernel (roughly 45 
days ago).  I'm wondering if a recent MFC that mjacob made to the isp 
driver could have affected this.

Cheers,
Rob

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