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Re: amd64 pmap panic



On Mon, Sep 22, 2008 at 09:30:41PM +0200, Vincent wrote:
> Patrick Welche wrote :
>> On Mon, Sep 22, 2008 at 02:25:41PM +0100, Patrick Welche wrote:
>>> A amd64 kernel built from today's source just panicked with:
>>>
>>> panic: kernel diagnostic assertion "(opte & (PG_V | PG_W)) != PG_W" failed: 
>>> file "../../../../arch/x86/x86/pmap.c", line 636
>>> fatal breakpoint trap in supervisor mode
>>> trap type 1 code 0 rip ffffffff804c0e95 cs 8 rflags 246 cr2 7f7ffdc00158 
>>> cpl 0 rsp ffff800054fb2790
>>> Stopped in pid 21947.1 (sh) at  netbsd:breakpoint+0x5:  leave
>
> The amd64 kernel I built with today sources worked okay. Strange.

Indeed: today's seems happier... (While building the kernel, cc got stuck
at 100% cpu usage. hasn't happened since..)

Cheers,

Patrick


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