Samsung WEC8500 Maintenance Manual page 15

WEC8500/8050 Maintenance Manual
Possible Causes
During the booting process, kernel image loading is not possible for the following reasons:

The kernel image exists on the primary partition but the file is damaged and corrupted
from the original.

The kernel image is overwritten with another file.
Solutions
1) In the boot loader log, use the 'boot partition' message to check the primary partition
information. ('1' or '2')
boot partition: 1
(Omitted)
######################################################################
#########
Bootloader failed to load kernel and reset the system to recover from
fault.
Check your system non-volatile storage device and package images.
######################################################################
#########
2) Rollback to the previous package residing on the stand-by partition.
To rollback, if the primary partition is '1', set the boot partition to '2'. Or, if the
primary partition is '2', set the boot partition to '1'.
Octeon wec8500# tlv_eeprom set boot 2
Setting boot partition to
Writing tuple type 61441 to addr
3) Restart the system.
Octeon wec8500# reset
4) When booting is completed, execute the 'package upgrade' command with the official
package of a desired version to upgrade. When upgrading is completed, the system
restarts to apply the package.
An example of executing the upgrade command is as follows.
WEC8500# configure terminal
WEC8500/configure# package upgrade disk:/package/wec8500_0.8.1.R.bin
Notice: The system will reboot after upgrading with the file.
Do you want to save the configuration? (y/n): y
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