openboot, SILO issue

[pls excuse if this went to the list twice, I am receiving list traffic recently but seem to have missed this one message (mine!)... (maybe because the machine I am having this problem is also my mail server <grin>)

#####

Hi,

I have a nagging problem that I would love to find resolution for... 

In openboot on a Ultra 10, I watch the auto-boot mechanism proceed after the ram check and fail with a message:

+-----------
|  ok Boot device: /pci@1f,4000/scsi/disk@0,0:c  File and args: 
|  ok Trap 3e
|  ok
|  
+--

I check my openboot variables with printenv after a cold boot and they are:

     boot-command = boot linux
     auto-boot?   = true
     boot-device  = linux

And I have a devalias such that

    linux     /pci@1f,4000/scsi/disk@0,0:c

##

Why after getting the Trap 3e can I manually type: "boot linux" 

+--
|  ok
|  ok boot linux
|  ok Boot device: /pci@1f,4000/scsi/disk@0,0:c  File and args: 
|  ok SILO
|  
|    LINUX BOOTS!
+-----------

 ok boot linux

and everything works?


#####

Can anyone help me not autoboot successfully instead of the
error string "Trap 3e" ? 

:)

thx
J

PS: So maybe I should just rely on a boot floppy?

PPS: My patitions look like this:

/dev/sda4              7690488   4400304   2899524  61% /
/dev/sda1                47409      4126     40835  10% /boot
shmfs                    65112         0     65112   0% /dev/shm

and of course since this is a Sun Labelled SCSI disk sda3 is the "whole disk" access point, so to speak. Anybody know the correct semantics to describe that?


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