Qlogic OFED+ Host Software User's Manual page 10

OFED+ Host Software Release 1.5.4
User Guide
Open MPI Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Invalid Configuration Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
E ULP Troubleshooting
Troubleshooting VirtualNIC and VIO Hardware Issues . . . . . . . . . . . . . . . .
Checking the logical connection between the
Checking the interface definitions on the host. . . . . . . . . . . . . . . . . . .
Verify the physical connection between the VIO hardware and
Troubleshooting SRP Issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ib_qlgc_srp_stats showing session in disconnected state . . . . .
Session in 'Connection Rejected' state . . . . . . . . . . . . . . . . . . . . . . . .
Attempts to read or write to disk are unsuccessful . . . . . . . . . . . . . . .
Four sessions in a round-robin configuration are active . . . . . . . . . . .
Which port does a port GUID refer to? . . . . . . . . . . . . . . . . . . . . . . . .
How does the user find a HCA port GUID? . . . . . . . . . . . . . . . . . . . . .
Need to determine the SRP driver version. . . . . . . . . . . . . . . . . . . . . .
F Write Combining
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PAT and Write Combining . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MTRR Mapping and Write Combining . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Edit BIOS Settings to Fix MTRR Issues . . . . . . . . . . . . . . . . . . . . . . .
Use the ipath_mtrr Script to Fix MTRR Issues. . . . . . . . . . . . . . . .
Verify Write Combining is Working . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
G Commands and Files
Check Cluster Homogeneity with ipath_checkout . . . . . . .
Restarting InfiniPath . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Summary and Descriptions of Commands. . . . . . . . . . . . . . . . . . . . . . . . . .
dmesg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
iba_opp_query. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
iba_hca_rev . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
iba_manage_switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
x
IB Host and the VIO hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Verify that the proper VirtualNIC driver is running . . . . . . . . . . .
Verifying that the qlgc_vnic.cfg file contains the correct
information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Verifying that the host can communicate with the I/O
Controllers (IOCs) of the VIO hardware . . . . . . . . . . . . . . . . . .
Interface does not show up in output of 'ifconfig' . . . . . . . . . . . .
the Ethernet network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
D-12
D-12
E-1
E-1
E-2
E-2
E-3
E-6
E-6
E-7
E-9
E-9
E-11
E-14
E-15
E-16
E-17
E-19
F-1
F-1
F-2
F-2
F-2
F-3
G-1
G-2
G-2
G-4
G-4
G-9
G-19
IB0054606-02 A