9–Troubleshooting GuidelinesCaveats9-4 NE0154601-00 A Check network interface transmit and receive counts during pings using thefollowing command:% ifconfig <network interface> Use the wireshark, ethereal, tethereal, or tcpdump utilities to capturepackets.Windows ServerThe following paragraphs describe how to check for system errors in WindowsServer: Use the wireshark or ethereal utilities to capture packets. Check for system error messages using the Windows event viewer.CaveatsMSI-X Interrupts for LinuxNewer Linux OS distributions or kernel versions support MSI-X interrupt; someolder versions do not support MSI-X. If MSI-X is not available on the OS, then useMSI or legacy mode in the OS.Type the following command on the Linux host to check that PCI-MSI-X orPCI-MSI is enabled for the Ethernet interface:% cat /proc/interruptsDetermine 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/<kernelversion> and verify that the MSI configuration option is supported/enabled:% make menuconfigPCI Express SlotThe QLogic adapter can be located on the PCI Express bus using the followingLinux procedures. Determine the vendor and device ID. To check if the PCIe slot has a x8link for optimal PCIe performance, first determine the PCI vendor ID anddevice ID codes by typing the following command:% lspci -nYou should see a message similar to:06:00.0 0200: 4040:0100 (rev 42)
