Lags and setjmp

[Super Bisquit]

On Sat, Aug 6, 2011 at 11:37 AM, Nathan Whitehorn <nwhitehorn at freebsd.org>wrote:

> On 08/05/11 10:47, Super Bisquit wrote:
>
>> The file /usr/src/sys/powerpc/powerpc/**setjmp.S has
>>
>> #ifdef __powerpc64__
>>
>>  at line nine. Maybe this is affecting the system because:
>> the lag seems to occur on Xorg/Xserver with the cursor having to be moved
>> before there is a response.
>> I'm wondering if setting the vale to powerpc instead of powerpc64 would
>> stop
>> this action.
>>
>>
> It wouldn't for the reason Justin said, and this file only applies to the
> kernel besides. I've also never experienced this bug you're referring to. Is
> X using longjmp/setjmp() internally? One thing we do not do is save/restore
> FP registers for long jumps. It's not required by the spec, but Linux does
> do it.
> -Nathan
>
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How's it going?

Anyway, I'm not sure. I'll restart X with a more verbose output and will
attach the file next reply.
I'm curious, what machines are you using for the 9.0 PowerPC ?