Re: compiled kernel - modules mess (was:kernel doesn't compile?)

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On Mon, 2004-01-26 at 18:12, Andre Costa wrote:
> On Sun, 25 Jan 2004 14:02:24 +0100
> Emiliano Brunetti <emiliano_brunetti@xxxxxx> wrote:
> 
> [...]
> > Well, this is weird indeed.
> > 
> > Here it goes:
[...] 
> > - LABEL is fully supported with RAM disk as you suggested (hitn: put
> > it somewhere on a FAQ! :) )
> 
> Agreed. It took me a while to figure it out... =/

I have reports that it doesn't work with vanilla kernels. 

> > - at home, no way. Still fails to mkinitrd, and can't build a initrd
> > image manually. System complains that it can't find aic7xxx module.
> > However, modulues seem to be there in /lib/modules, and it is
> > definitely a major problem as this is a pure SCSI box.
> 
> Now this is really weird. I would go for a 'clean' rebuild as suggested
> above to see if probl persists. I can't see no reason for a module
> effectively present at /lib/modules/[...] to be loaded -- does 'depmod
> -a' fail?
> 
> Also, since you didn't seem very sure about the module being there, make
> sure you're looking at the right place. The root modules dir for a
> kernel is /lib/modules/[uname -r] (when the kernel is running --
> otherwise you will get the version number for the wrong kernel!).

Indeed it was also a headless configuration problem. My custom kernel is
performing really bad, system is almost unusable.

Just FYI:

- PII400
- 384 Mb SDRAM
- pure SCSI system, though a little old, with two UW SCSI II disk
- a very old G200

Being a pure SCSI system i never really experienced bottleneck in disk
writing. And the kernel that comes out of FC1 was definitely better in
performance, though being big and 'general purpose'. I will have to go
for a much better kernel configuration.

Any hint is absolutely welcome of course.

> > I am trying one last time, compiling aic7xxx support as a module. Then
> > i'll try *again* to erase and reinstall kernel source from rpm. After
> > this, i'd be kinda lost.
> 
> You could try to compile it builtin (i.e. not as a module). Still, there
> is no reason for the module not to load cleanly, something's really
> wrong.
> 
> Let us know if you make any improvements.

This is what happened: i can't compile it builtin, as it fails in
generating a initrd, but it does compile as a module. If i compile as a
module, initrd seems to be good but performance is definitly disgutsing.
I need a little time to track it down. 

Really weird.

E agora vou trabalhar. ;)

Muito obrigado

E.




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