Page History
...
- kcuSim -t (resets timing counters)
- kcuSim -s (dumps stats)
- Watch for these errors: RxDecErrs 0 RxDspErrs 0
- reload the driver with "systemctl restart tdetsim"
- currently driver is in /usr/local/sbin/datadev.ko, should be in /lib/modules/<kernel>/extra/
- reloading the driver does a soft-reset of the KCU (resetting buffer pointers etc.).
- if the soft-reset doesn't work, power-cycle is the hard-reset.
datadev Driver
- user "systemctl list-unit-files" to see if tdetsim.service or kcu.service is enabled
- associated .service files are in /usr/lib/systemd/system/
- to see if events are flowing from the hardware to the software: "cat /proc/datadev_0" and watch "Tot Buffer Use" counter under "Read Buffers"
...
Overview
Content Tools