From owner-freebsd-current@FreeBSD.ORG  Wed May 26 06:07:59 2004
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From: Antony T Curtis <antony.t.curtis@ntlworld.com>
To: freebsd-current@freebsd.org
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Date: Wed, 26 May 2004 14:07:34 +0100
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Subject: Re: Trap 12 on recent current
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I have done some testing and it only appears to happen when I load the
firewire module at boot time.

hmm...

On Wed, 2004-05-26 at 12:30, Antony T Curtis wrote:
> Have cvsupped and now I get the following when trying to boot the machine.
> 
> Hope someone can shine some light on what is the cause/fix.
> 
> ..
> Setting hostname: ltantony.
> 
> 
> Fatal trap 12: page fault while in kernel mode
> cpuid = 0; apic id = 00
> fault virtual address   = 0x1000100
> fault code              = supervisor read, page not present
> instruction pointer     = 0x8:0xc05158ab
> stack pointer           = 0x10:0xd7e70b08
> frame pointer           = 0x10:0xd7e70b2c
> code segment            = base 0x0, limit 0xfffff, type 0x1b
>                         = DPL 0, pres 1, def32 1, gran 1
> processor eflag         = interrupt enabled, resume, IOPL = 0
> current process         = 213 (ifconfig)
> kernel: type 12 trap, code=0
> Stopped at      rt_msg2+0x81:   cmpb    $0,0(%edx)
> db>where
> rt_msg2(e,d7e70b48,0,d7e70b9c,0) at rt_msg2+0x81
> sysctl_iflist(0,d7e70b9c,1,42420,98) at sysctl_iflist+0x7d
> sysctl_rtsock(c062a3e0,d7e70c84,4,d7e70c10,d7e70c10) at sysctl_rtsock+0x10e
> sysctl_root(0,d7e70c7c,6,d7e70c10,c4410160) at sysctl_root+0x137
> userland_sysctl*c4410160,d7e70c7c,6,0,bfbfee64) at userland_sysctl+0x11c
> __sysctl(c4410160,d7e70d14,18,280d0000,6) at __sysctl+0xce
> syscall(2f,2f,2f,0,bfbfee64) at syscall+0x2f0
> Xint0x80_syscall() at Xint0x80_syscall+0x1f
> -- syscall (202, FreeBSD ELF32, __sysctl), eip = 0x280d04ef, esp = 0xbfbfeddc, ebp = 0xbdbdee08
> db>
> 
> 
--