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Thread: Re: seems I finally found what upset kqemu on amd64 SMP... shared gdt! (please test patch :)




Re: seems I finally found what upset kqemu on amd64 SMP... shared gdt! (please test patch :)
user name
2008-05-06 15:02:28
Bakul Shah wrote:
>> at needs to be done to fix that?
>>     
>
> Comment it out in amd64/amd64/trap.c!
>   
getting rid of the message, yes.. but without further
issues?
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Re: seems I finally found what upset kqemu on amd64 SMP... shared gdt! (please test patch :)
country flaguser name
United States
2008-05-06 15:45:11
On Tue, 06 May 2008 22:02:28 +0200 Teufel <bsdkuehlbox.de>  wrote:
> Bakul Shah wrote:
> >> at needs to be done to fix that?
> >>     
> >
> > Comment it out in amd64/amd64/trap.c!
> >   
> getting rid of the message, yes.. but without further
issues?

The message is there "because you are not supposed to
do it"
See for instance

h
ttp://docs.freebsd.org/cgi/getmsg.cgi?fetch=100953+0+archive
/2007/freebsd-emulation/20070415.freebsd-emulation

This seems to have not caused any problem in practice.  And
any way taking out the message doesn't change the essential
behavior (the invariant is still broken) but it can speed
up
your emulation considerably.
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