Re: X.org (AGP) related panic

[Aleksej Saushev <asau%inbox.ru@localhost>]

"Martin S. Weber" <Ephaeton%gmx.net@localhost> writes:

> On Mon, Sep 22, 2008 at 09:32:08PM +0400, Aleksej Saushev wrote:
>> (...)
>> Additional information: in another discussion thread,
>> it was pointed, that this may be connected with erroneous
>> "makeoptions CPUFLAGS", which allowed usage of SSE.
>> Yet I have never allowed SSE in CPUFLAGS.
>> Even more, I have rebuilt kernel to avoid that, the panic
>> occurred in that case too. Following options were probed:
>> 
>> makeoptions  CPUFLAGS="-march=prescott"
>> makeoptions  CPUFLAGS="-march=i486 -mtune=prescott"
>> 
>> Thus, hardly the problem is connected with SSE, in my opinion.
>> Am I wrong?
>
> Quote from gcc manpage:
>
> "   -mtune=cpu-type
>        Tune to cpu-type everything applicable about the generated code,
>        except for the ABI and the set of available instructions.  The
>        choices for cpu-type are:

Note "the set of available instructions".
Since architecture is fixed to i486, SSE is not available.


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