Intel C2530 FH8065401488915 データシート
製品コード
FH8065401488915
Volume 2—System Agent and Root Complex—C2000 Product Family
Global Error Reporting
Intel
®
Atom™ Processor C2000 Product Family for Microserver
Datasheet, Vol. 2 of 3
September 2014
70
Order Number: 330061-002US
4.7
Global Error Reporting
The SoC logs and reports the detected errors via system event generations. In the
context of global error reporting, a system event is an event that notifies the system of
the error. See
PCI Express* error messages are received from downstream devices. The SoC logs
these errors and other internal errors.
Two types of system events are generated:
• NMI or SMI to the CPU, or
• Error indication through the ERROR2_B, ERROR1_B, and ERROR0_B pins.
• Error indication through the ERROR2_B, ERROR1_B, and ERROR0_B pins.
The CPU responds to a system event (NMI or SMI) and takes the appropriate action to
handle the error.
An external agent such as a Baseboard Management Controller (BMC) monitors the
active low, three error pins to determine the health of the SoC and interrupt the host
CPU. In some severe error cases, when the CPU is no longer responding to system
events resulting from an error(s), the three error pins provide a way to notify an
external agent of the error. The external agent then performs a reset to recover the
SoC functionality.
Machine check errors (machine check exceptions) and unrecoverable internal errors are
also reported to the external circuitry through the SoC pins MCERR_B and IERR_B,
respectively. Refer to
information about these pins.
Figure 4-2. General Flow of SoC Error Reporting
CPU
Global Error
Logic
Integrated Endpoint
Devices, Memory
Controller, and other
internal controllers
Integrated PCIe* Root Ports
Baseboard
Management
Controller
(BMC)
Messages
ERR_CORR
ERR_NONFATAL
ERR_FATAL
SMI
NMI
SoC
ERROR2_B
ERROR1_B
ERROR0_B