Issue Description

After perform an , upgrade the system cannot boot anymore. The system tries to start-up, but when check the system memory (SDRAM) enters into a continuous loop.

We have upgraded from V800R005C01B079 to V800R005C32B136.

 

Alarm Information

 System start ...

Bios DDR(512M ECC) test ... 50%

[SDRAM TEST ERROR] Addr: 0x00000000  Write: 0x00000000   Read: 0x00026AFB

[SDRAM TEST ERROR] Addr: 0x00000004  Write: 0x00000001   Read: 0x00000005

 System start ...

Bios DDR(512M ECC) test ... 50%

[SDRAM TEST ERROR] Addr: 0x00000000  Write: 0x00000000   Read: 0x000260FA

[SDRAM TEST ERROR] Addr: 0x00000004  Write: 0x00000001   Read: 0x00000005

[SDRAM TEST ERROR] Addr: 0x00000008  Write: 0x00000002   Read: 0x00020000

 System start ...

 

Handling Process

This problem has no solution. When face this kind of trouble, it is needed to send the board back to the repair center and apply for a new/spear one.

This fault cannot be recovered outside the repair center.

 

Root Cause

It was discovered that such problem appear when the upgrade was not performed right.

Reasons include, but are not limited to:

1. Lost Patch Installation

2. Inconsistent start and end versions

 

Suggestions

It is recommended to read the upgrade procedure which comes with the new software version.

In case of has some doubts, it is better to open a GCRMS ticket to contact a high level support and ask it for detailed instructions about the upgrade, or even to provide a step-by-step upgrade guide, according to each special situation.