Qlogic OFED+ Host, Software User'S Manual

Page: 10 / 284

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