6 Troubleshooting
The drivers for Xillybus / XillyUSB were designed to produce meaningful log messages. These are a few alternatives for obtaining them:
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The output of the “dmesg” command.
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The output of the “journalctl -k” command.
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In the log file. This depends on the operating system, for example /var/log/syslog or /var/log/messages.
It’s recommended to search for messages that contain the word “xillybus” or “xillyusb” when something appears to be wrong. It’s also advisable to occasionally examine the system log even when everything appears to work fine.
A list of messages from the PCIe / AXI driver and their explanation can be found at:
https://xillybus.com/doc/list-of-kernel-messages
It may however be easier to find a specific message by using Google on the message’s text.