Kontron S5500 SEL Troubleshooting - Manual (Page 75)

PCI Express and Legacy PCI subsystem System Event Log Troubleshooting Guide for Intel® S5500/S3420 series Server Boards
66 Intel order number G74211-001 Revision 1.0
Table 66: PCI Express Fatal Error Sensor Event Trigger Offset – Next Steps
Event Trigger Offset
Description Next Steps
Hex Description
00h Data Link Layer Protocol Error
Indicates a CRC error detected during a DLLP transaction. This
means the transaction was corrupted.
1. Decode bus, device, and function to identify
the card.
2. If this is an add/in card:
a. Verify card is inserted properly.
b. Install the card in another slot and check
if the error follows the card or stays with
the slot.
c. Update all firmware and drivers,
including non-Intel
® components.
3. If this is an onboard device:
a. Update all bios, firmware and drivers.
b. Replace the board.
01h Surprise Link Down
The link was lost and is no longer functional. Requires a reboot to
bring the link back.
02h Unexpected Completion
Indicates the device received a completion notification for a
transaction it does not recognize. This is a fatal error.
03h
Received Unsupported request condition on
inbound address decode with the exception
of SAD
Typically indicates a failure due to an incorrect address sent to the
target. This unknown address is a fatal error.
04h Poisoned TLP Error
Typically indicates a parity error in a TLP transaction. This means
the data received is not correct.
05h Flow Control Protocol Error
Indicates an error during initialization with the device not providing
enough flow control credits. This means the bus configuration is
incorrect and it cannot continue.
06h Completion Timeout Error
Indicates a transaction did not complete in the specified amount of
time.
07h Completer Abort Error Indicates a transaction had unexpected content or format.
08h Receiver Buffer Overflow Error
Indicates a synchronization problem between PCI Express devices.
Extremely rare.
09h ACS Violation Error Access Control Services, a transaction routing feature, failed.
0Ah Malformed TLP Error
Indicates a transaction was sent with data exceeding the maximum
allowed number of bytes. This is not allowed and is a fatal error,
usually a firmware or driver problem.
0Bh
Received ERR_FATAL message from
downstream Error
Indicates a fatal error occurred and is being reported.
0Ch Unexpected Completion Error
Indicates the device received a completion notification for a
transaction is does not recognize.