[CentOS] Re: ISA Support in CentOS 4.4?

[Scott Silva]

Eric B. spake the following on 1/25/2007 6:11 PM:
> "Jim Perrin" <jperrin at gmail.com> wrote in 
> message news:302ce8b50701251406w203a6a06k999b65050b6df77b at mail.gmail.com...
>>> Is the stock 2.6.9-42.EL kernel compiled with ISA support? Do i need to
>>> rebuild the kernel by hand? Is there anything I need to do to enable ISA
>>> support in CentOS4.4?  If I do need to rebuild the kernel, what
>>
>> Nope. The kernel was built without isa support. There was a mailing
>> list thread a while back (the exactly link escapes me) which explained
>> how to rebuild with ISA support specifically, however the wiki
>> (wiki.centos.org) contains the steps needed to build a custom kernel.
>>
>> Support for ISA may have been built into the centosplus kernel by
>> Johnny, but I honestly can't remember if he did that or not.
> 
> Thanks for the advice.  I followed the instructions on the wiki to rebuild 
> the kernel (still waiting for the kernel to finish rebuilding), but I was 
> confused by one thing.  The current kernel2.6.9-i686.config file shows the 
> ISA option to be enabled.  Wouldn't that be the default setting of the 
> kernel then?  I am running 2.6.9-42.EL.  Wouldn't that imply that it is 
> enabled on that kernel then?  Is there a way I can check to validate that it 
> isn't already enabled?
> 
> Thanks,
> 
> Eric
In your /boot directory is the config file that is generated when the kernel
rpm was created. You will have one for every installed kernel.

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