Date: Tue, 09 Dec 2003 00:10:52 +0000 From: Robin Breathe <robin@isometry.net> To: John Baldwin <jhb@FreeBSD.org> Cc: current@freebsd.org Subject: Re: Fatal trap 12: page fault while in kernelmode(subr_turnstile.c) w/ trace Message-ID: <3FD5130C.3030502@isometry.net> In-Reply-To: <3FD508A7.3010901@isometry.net> References: <3FD4F748.4050900@isometry.net> <XFMail.20031208171829.jhb@FreeBSD.org> <3FD508A7.3010901@isometry.net>
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> [...]
> db> panic
> panic: from debugger
> cpuid = 0;
> Debugger("panic")
>
> Fatal trap 3: breakpoint instruction fault while in kernel mode
> cpuid = 0; apic id = 00
> instruction pointer = 0x8:0xc0672525
> stack pointer = 0x10:0xdcacc714
> frame pointer = 0x10:0xdcacc720
> code segment = base 0x0, limit 0xfffff, type 0x1b
> = DPL 0, pres 1, def32 1, gran 1
> processor eflags = IOPL = 0
> current process = 536 (ngctl)
> Stopped at turnstile_wait+0x86: movl 0(%edx),%eax
> panic: from debugger
> [...]
I forgot to point out that this second panic didn't occur in the
previous case, without INVARIANTS. I'd be interested to know if that's
relevant?
- Robin
--
Robin Breathe robin@isometry.net +441865741800
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