jetson nano 1st ship version
running fine, displaying node js app, which shows photos…
if I start the app from the terminal window, npm start
I can terminate the app no problems
however, if i use the PM2 (node process manager) to start, then either stop or restart (stop/then start) causes a hard kernel loop… reboot is the only way out
from /var/log/kern.log
100% repeatable. the app provides a restart mechanism after making config changes, shuts down then restarts with the new config . if I use the manual start method the app restarts fine… use pm2, crashes every time (pm2i used to start app at boot, but doesn’t matter when
Linux nano 4.9.140-tegra #1 SMP PREEMPT Tue Jul 16 17:04:49 PDT 2019 aarch64 aarch64 aarch64 GNU/Linux
Jun 7 20:13:30 nano kernel: [ 3660.870288] extcon-disp-state extcon:disp-state: cable 47 state 0
Jun 7 20:13:30 nano kernel: [ 3660.870315] Extcon AUX1(HDMI) disable
Jun 7 20:13:30 nano kernel: [ 3660.906195] tegradc tegradc.0: blank - powerdown
Jun 7 20:13:30 nano kernel: [ 3660.906279] extcon-disp-state extcon:disp-state: cable 40 state 0
Jun 7 20:13:30 nano kernel: [ 3660.906282] Extcon HDMI: HPD disabled
Jun 7 20:13:30 nano kernel: [ 3660.906311] tegradc tegradc.0: hdmi: unplugged
Jun 7 20:13:30 nano kernel: [ 3660.960573] tegradc tegradc.0: blank - powerdown
Jun 7 20:13:30 nano kernel: [ 3660.960585] tegradc tegradc.0: unblank
Jun 7 20:13:30 nano kernel: [ 3660.960619] tegradc tegradc.0: unblank
Jun 7 20:13:30 nano kernel: [ 3660.960628] tegradc tegradc.1: blank - powerdown
Jun 7 20:13:31 nano kernel: [ 3662.190752] Host read timeout at address 5458045c < --------- see this over and over, top left corner of the screen, all black
Jun 7 20:13:31 nano kernel: [ 3662.195556] tegradc tegradc.0: blank - powerdown
Jun 7 20:13:31 nano kernel: [ 3662.195571] tegradc tegradc.0: unblank
Jun 7 20:13:31 nano kernel: [ 3662.216794] tegradc tegradc.0: nominal-pclk:297000000 parent:297000000 div:1.0 pclk:297000000 294030000~323730000
Jun 7 20:13:31 nano kernel: [ 3662.216970] tegradc tegradc.0: hdmi: tmds rate:297000K prod-setting:prod_c_hdmi_150m_300m
Jun 7 20:13:31 nano kernel: [ 3662.223334] tegradc tegradc.0: hdmi: get RGB quant from EDID.
Jun 7 20:13:31 nano kernel: [ 3662.223343] tegradc tegradc.0: hdmi: get YCC quant from EDID.
Jun 7 20:13:31 nano kernel: [ 3662.258225] extcon-disp-state extcon:disp-state: cable 47 state 1
Jun 7 20:13:31 nano kernel: [ 3662.258228] Extcon AUX1(HDMI) enable
Jun 7 20:13:31 nano kernel: [ 3662.258592] extcon-disp-state extcon:disp-state: cable 40 state 1
Jun 7 20:13:31 nano kernel: [ 3662.258596] Extcon HDMI: HPD enabled
Jun 7 20:13:31 nano kernel: [ 3662.258630] tegradc tegradc.0: hdmi: plugged
Jun 7 20:13:31 nano kernel: [ 3662.277679] tegradc tegradc.0: blank - powerdown