Re: [gentoo-mips] PANIC: Unexpected exception at boot o2 R5000

[Andrew Finley <afinley@gis.umn.edu>]

Sweet, looks like building my own kernel is out of the question in the near
future. Fortunately, my boot and root are ext2 and ext3 respectfully, so
perhaps this will still have a happy ending.  I'll give it all a whirl with
your kernel tomorrow.  Thanks for your patience.  Have a good turkey day.
-andy


On 24 Nov 2004, Stephen P. Becker wrote:
> Andrew Finley wrote:
> > Thanks Steve,
> > Ok, should this kernel go in the volume header then use arcboot?  If I
> > wanted to build a proper kernel, can I still use the kernel that comes
from
> > emerge-source (if so what build options should be used)?
> > -andy
> > 
> 
> Arcboot loads from the volume header, but it doesn't boot kernels out of 
> a volume header at all.  Rather, it boots them from an ext2/ext3 
> partition.  So, you would put arcboot in the volume header, and then the 
> kernel on and ext3 or ext3 partition, set up the config file, and then 
> just do "boot -f arcboot" from the prom to get going.  If you happened 
> to do something silly like make your entire filesystem reiserfs or xfs, 
> then you are out of luck with respect to arcboot.
> 
> As for building your own ip32 kernel, you have to use 2.6 sources, which 
> you will have to unmask yourself.  You can run "make ip32_defconfig" 
> inside the source tree, which will give you a base config to work from. 
>   You can then enter menuconfig and tweak to your liking.  Or, you could 
> get my config from /proc/config.gz when/if you are able to boot my 
> kernel, and then tweak that.  In any case, you can't use the native 
> system compiler, since the kernel must be 64-bit.  You will either have 
> to emerge gcc-mips64 (after making sure you are using the proper 
> cascaded profile), or build a mips64 cross-compiler on another machine.
> 
> Steve
> 
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> 
> 



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