Page History

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- "pgp tx frame count" on hsd status goes up when we send a transition
- check for multiple drp executables
- check kcuStatus for "locPause" non-zero (a low level pgp FIFO being full).  If this happens then:  configure hsd, clear readout, reboot drp node with KCU
- clearReadout broadcasts a message to receiving hsd's (or kcu's) telling them to reset timing-header FIFOs.
- xpm tx link reset: resets a tx PLL, rx link reset: retrains the link on K characters
- if running "drp" executable, check that lane mask is correct (e.g. 1 for "ganged" mode)