Oracle Quad Port 10GBase-T User Manual page 85

If the interface encounters a soft hang, replumb the device.
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Use the ipadm command.
If the interface encounters a hard hang, reboot the server.
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If the interface encounters another hard hang, try to capture the trace information by using
■
the dtrace command. For example:
# detrace -F -m 'i40e{trace(timestamp)}'
>/tmp/dtrace.out
If the server is panicked, retrieve the crash dump in /var/crash.
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If the interface encountered a hard hang or a panic, file a CR at My Oracle Support.
■
Attach the last page of the dtrace command output or the crash dump file to the CR.
2. Check for the driver statistics.
# kstat i40e:* :statistics
3.
Use the following parameters for performance tuning in i40e.conf:
Parameters
rx_itr
tx_itr
rx_limit_per_intr
rx_copy_threshold
tx_copy_threshold
Related Information
"Analyze Why the Device Link Is Missing (Oracle Solaris)" on page 84
■
"Analyze Slow Network Performance (Oracle Solaris)" on page 86
■
"Analyze Why the Link Is Not Up After Back-To-Back Cable Connection (Oracle
■
Solaris)" on page 87
"Analyze Why Changing the MTU Does Not Correctly Set the Link Property (Oracle
■
Solaris)" on page 87
Recover From a Port Hang (Oracle Solaris)
Description
Interval of receive interrupts 0 to 4080, 25 (50 usec) by default .
Interval of transmit interrupts 0 to 4080, 25 (50 usec) by default.
Maximum number of packet to receive per interrupt16 ~ 4096, 1024 by
default.
Packet size to determine bcopy or not during receive0 ~ 9216, 128 by
default.
Packet size to determine bcopy or not during transmit0 ~ 9216, 128 by
default
Troubleshooting the Adapter (Oracle Solaris) 85