Summary 32-bit to 64-bit conversion

From: Muhammad Mughal (muhammad@uac.edu.au)
Date: Tue Jun 18 2002 - 00:28:30 EDT

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###How can I change Sol 8, 32-bit to 64-bit####

Thanks to Dave Leach,Ole Martin Refvik,Rick McKinney,Mark Hargrave,Deborah
Santomauro,Jeremy Rodriguez,Gaziz Nugmanov,

Responses are summarized
=======================

1. http://soldc.sun.com/articles/64_bit_booting.html

2. boot from the file /platform/sun4u/kernel/sparcv9/unix
        OK>boot <boot_disk> /platform/sun4u/kernel/sparcv9/unix

3. Document ID 21434 FAQ on Booting Solaris to either the 64-bit
kernel or
        the 32-bit kernel

4. /usr/sbin/eeprom boot-file="kernel/sparcv9/unix" then
reboot

5. Login as root and use the eeprom command to set the boot-file
parameter
        to the 32-bit kernel:
                # /usr/sbin/eeprom boot-file="kernel/unix"

        The next system reboot will boot the 32-bit kernel or
                (OR)
                ===
         vi /platform/sun4u/boot.conf
                uncomment and verify that the line looks exactly like
this:

           ALLOW_64_BIT_KERNEL_ON_UltraSPARC_1_CPU=false
    reboot and then once the system is back up, verify that it is truly
running
        32-bit with "isainfo -b"

6. eeprom or the ok prompt

                boot-file = kernel/unix
                Will always boot into 32-bit mode

Thanks

Muhammad
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