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9–Troubleshooting Guidelines
Caveats
9-4 NE0154601-00 A
Check network interface transmit and receive counts during pings using the
following command:
% ifconfig <network interface>
Use the wireshark, ethereal, tethereal, or tcpdump utilities to capture
packets.
Windows Server
The following paragraphs describe how to check for system errors in Windows
Server:
Use the
wireshark or ethereal utilities to capture packets.
Check for system error messages using the Windows event viewer.
Caveats
MSI-X Interrupts for Linux
Newer Linux OS distributions or kernel versions support MSI-X interrupt; some
older versions do not support MSI-X. If MSI-X is not available on the OS, then use
MSI or legacy mode in the OS.
Type the following command on the Linux host to check that PCI-MSI-X or
PCI-MSI is enabled for the Ethernet interface:
% cat /proc/interrupts
Determine if the installed Linux kernel has the MSI configuration option enabled
(earlier versions of the kernel may require an MSI patch).
Type the following command from the directory
/usr/src/kernels/<kernel
version>
and verify that the MSI configuration option is supported/enabled:
% make menuconfig
PCI Express Slot
The QLogic adapter can be located on the PCI Express bus using the following
Linux procedures.
Determine the vendor and device ID. To check if the PCIe slot has a x8
link for optimal PCIe performance, first determine the PCI vendor ID and
device ID codes by typing the following command:
% lspci -n
You should see a message similar to:
06:00.0 0200: 4040:0100 (rev 42)