Technical data

Chapter 3
Diagnostics
Ethernet Switch Blade Functional Specifications
139
Ethernet Switch Blade Functional Specifications
Ethernet Switch Blade Diagnostics Features
There are no executable diagnostics for the ethernet switch blade. The following components are verified as
functional as a result of booting the ethernet switch blade to its Linux based operating environment:
• The IPMC controller passed a power-on self test and established communications across at least one
IPMB to the ShMM
• The IPMC controller reported to the ShMM that its power circuits and temperature sensor were within
thresholds. (FRU is declared healthy.)
• The ShMM granted permission to the IPMC controller to power on the switch
• The ShMM and the IPMC granted permission to the Ethernet port to access the backplane (if the port is
routed to the backplane)
• The onboard CPU is functional, including interrupts
• The Boot flash is operational (bootloader code has run)
• A light-weight, fast memory inspection was conducted during boot
• The Linux kernel was booted from the specified flash device, validating that flash. (The switch
administrator can select the boot device by specifying the device on a zbootcfg command, if the
alternate boot flash needs to be tested)
• The PCI bus was probed to build a list of all devices before the driver module was loaded. The driver
attaches only those devices that have an expected PCI device ID.
• The driver makes PCI accesses to get the version information and set up the switch registers and memory
• The Driver reads the VPD (Vital Product Data) over the I
2
C bus.
• The Linux (OpenArchitect) driver has loaded successfully and traffic can flow over a given switch port.
The ethernet switch blade LEDs and the shelf manager (ShMM) information related to the switch can assist
in troubleshooting hardware failures on the switch. They also can be used to troubleshoot networking
problems and network configuration issues.