I 2 C Fault When Accessing The Link Card Installed In The Host - Oracle SPARC Enterprise M4000 Installation And Service Manual

vi. If this does not correct the problem, reinsert the FRU you removed in
vii. If this corrects the problem, go to
viii. If this does not correct the problem, go to
b. Determine which FRU is causing the problem.
c. If the errors continue to appear, either the chassis is faulty or multiple FRUs
2
D.2.2.3 I C Fault When Accessing the Link Card Installed in the Host
The host manages the External I/O Expansion Unit through I
the link card installed in a host PCI Express add-in card slot. If the fault list includes
the i2c_main bus for the link card installed in a host add-in slot hc:///chassis=
0/iou=x/pcislot=y/link=0/i2c_main=0, a problem exists between the External
I/O Expansion Unit and the link card.
Possible Causes
The host link card is not fully seated.
■
The host PCI Express slot is faulty.
■
The host link card is faulty.
■
-- I/O boat 1
Test the FRUs listed above before suspecting the following:
-- Link card (see
-- Chassis (see Step
iv. Power on both PSUs.
v. Power on the affected domains.
If the problem has been corrected, the fault messages will not appear.
Step iii, then repeat
2
If the I C problems are resolved by the removal of a PSU, assume the PSU is
■
faulty.
If the problems are resolved by removing an I/O boat, determine whether
■
the problem is with the I/O boat itself or the link card in the I/O boat. Swap
the link card from the failed I/O boat to a known good I/O boat to
determine if the problem follows the link card.
2
have I C problems.
Contact a technical support engineer for advanced assistance.
Step b)
c)
Step i through Step v
Step
for a different FRU.
b.
Step c.
2
C commands sent to
Appendix D Troubleshooting D-11