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Sascha Lucas wrote:

> we have a Sun Fire V490 with 4xUltraSparc IV+ (1.5GHz) and 16GB RAM. I
> want to try linux on this machines.
>
> My first Question is, if someone can confirm, that linux runs on this
> CPUs/System.
>
> My second Question is how to boot this machine. I tried install-CDs
> (gentoo, debian, FreeBSD, aurora)... All failed. The gentoo-silo says
> the same like in the forum:
> http://forums.gentoo.org/viewtopic-t-430459.html?sid=d88bca7a09368b42113c1c47385ca134
>
>
> Loading the kernel without the initrd leads to "Instruction Access
> Error" and "Stack Underflow".
>
> silo in aurora-2-beta seems to work. they use kernel 2.6.13 an a huge
> initrd. But after starting kernel it says something like no CPUs found
> (only one line). I'm not sure if this is the kernel or silo.

Hi. We've never had a UltraSPARC-IV machine to test with.
You can try my experimental ISO @
http://dev.gentoo.org/~gustavoz/sparc/experimental/
It's based on silo 1.4.10 and while it does not cut it for many machines
models it might do in your case. It has 2.6.15+patches and
2.4.32+patches to try.
Feedback more than welcome!

- --
Gustavo Zacarias
Gentoo/SPARC monkey
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gentoo-sparc@gentoo.org mailing list

Hi Gustavo,

On Tue, 7 Feb 2006, Gustavo Zacarias wrote:
> Hi. We've never had a UltraSPARC-IV machine to test with.
> You can try my experimental ISO @
> http://dev.gentoo.org/~gustavoz/sparc/experimental/
> It's based on silo 1.4.10 and while it does not cut it for many machines
> models it might do in your case. It has 2.6.15+patches and
> 2.4.32+patches to try.
> Feedback more than welcome!

Thanks for your live-cd. But I'm sorry it didn't work (log written by
hand):

boot: gentoo24
Allocated 8 Megs of memory at 0x40000000 for kernel
loaded kernel version 2.4.32
loading initial ramdisk (1015682 bytes at 0xB1FF802000 phys, 0x40C00000
virt)...

ERROR: Last Trap: Illegal Instruction

Error -256

------------------------------------

boot: gentoo26
Allocated 8 Megs of memory at 0x40000000 for kernel
loaded kernel version 2.6.15
loading initial ramdisk (844162 bytes at 0xB1FF802000 phys, 0x40C00000
virt)...

ERROR: Last Trap: Illegal Instruction

Error -256

ERROR: Last Trap: Fast Instruction Access MMU Miss

ERROR -256
Stack underflow

------------------------------------

Can you tell me who's causing the error messages? SILO, openbootrom,
kernel?

THX,

Sascha.

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gentoo-sparc@gentoo.org mailing list

Sascha Lucas wrote:
>
> boot: gentoo26
> Allocated 8 Megs of memory at 0x40000000 for kernel
> loaded kernel version 2.6.15
> loading initial ramdisk (844162 bytes at 0xB1FF802000 phys, 0x40C00000
> virt)...
>
> ERROR: Last Trap: Illegal Instruction
>
> Error -256
>
> ERROR: Last Trap: Fast Instruction Access MMU Miss
>
> ERROR -256
> Stack underflow
>
> ------------------------------------
>
> Can you tell me who's causing the error messages? SILO, openbootrom,
> kernel?

Looks like it's silo in this case. You might want to post this to the
sparclinux mailing list and see if anyone there might know what silo is doing
wrong (and maybe has patches).


--Kumba

--
Gentoo/MIPS Team Lead
Gentoo Foundation Board of Trustees

"Such is oft the course of deeds that move the wheels of the world: small hands
do them because they must, while the eyes of the great are elsewhere." --Elrond
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gentoo-sparc@gentoo.org mailing list

On Wed, 8 Feb 2006, Kumba wrote:
> Looks like it's silo in this case. You might want to post this to the
> sparclinux mailing list and see if anyone there might know what silo is doing
> wrong (and maybe has patches).

Thanks. If silo is responsible, what other possibilities do I have to load
the kernel? Please excuse, but it's the first time I'm working with sparc.
What about:

- boot rom: can it load and run the kernel from disk/cdrom without silo

- grub: solaris 10 now uses a patched grub (patch sent to grub folks).
something known/usable?

- boot net: the experimental tftpboot image... I will try this, but don't
know what the image is (just kernel+initramfs? for the case I need a
newer/other one)

Sascha.

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