Correction, the file is /proc/<pid-of-weewx-process>/oom-score-adj > On Sep 19, 2022, at 6:23 PM, John Kline <j...@johnkline.com> wrote: > > > It doesn’t look like you are losing the connection to your Vantage Pro2. > Rather, the kernel is killing WeeWX because you’re running of of memory. > > You could write -1000 to the /proc/<pid-of-weewx-process>/oom-kill-adj file > to keep it from killing WeeWX, but then something else will be killed to free > up memory. > > What are you running WeeWX on? How much memory? What else is running? > >>> On Sep 19, 2022, at 6:10 PM, Johnnie Walker <john...@kd2gyo.com> wrote: >>> >> Hi, >> I'd had a recurring issue for some months that the weewx service loses >> connection to my Davis Vantage Pro2 / WeatherLink. Basic solution has been >> to reboot which brings things back into action, although I lose the data for >> the period during which the problem occurred. Shows up as breaks in the >> charts (for example): >> >> I have some breaks that are 1-2 days or more if I was on travel and didn't >> realize until I returned. >> I just took time to search /var/log/syslog for the instance that happened >> today - log is copied in below. And it looks like an out of memory error, so >> the process is killed. (Log is grep'd for "weewx" , I copied in the log info >> grep'd "oom" further below). The log entries around 16:12 and after are when >> I rebooted the server. >> I installed weewx well over 2 years ago so can't recollect how I installed. >> I can post the weewx.conf file if needed. >> Could anyone give me a pointer on how to fix, and is there a way to patch up >> the missing data sections? >> Thanks very much - JW >> >> "weewx" >> >> Sep 19 15:38:31 sparta weewx[1081] INFO user.weatherlink_live: Emitting poll >> packet >> Sep 19 15:38:31 sparta weewx[1081] INFO user.weatherlink_live: Emitting push >> (broadcast) packet >> Sep 19 15:38:38 sparta weewx[1081] message repeated 4 times: [ INFO >> user.weatherlink_live: Emitting push (broadcast) packet] >> Sep 19 15:38:41 sparta weewx[1081] INFO user.weatherlink_live: Emitting poll >> packet >> Sep 19 15:38:41 sparta weewx[1081] INFO user.weatherlink_live: Emitting push >> (broadcast) packet >> Sep 19 15:38:51 sparta weewx[1081] message repeated 4 times: [ INFO >> user.weatherlink_live: Emitting push (broadcast) packet] >> Sep 19 15:38:51 sparta weewx[1081] INFO user.weatherlink_live: Emitting poll >> packet >> Sep 19 15:38:53 sparta weewx[1081] INFO user.weatherlink_live: Emitting push >> (broadcast) packet >> Sep 19 15:39:01 sparta weewx[1081] message repeated 3 times: [ INFO >> user.weatherlink_live: Emitting push (broadcast) packet] >> Sep 19 15:39:01 sparta weewx[1081] INFO user.weatherlink_live: Emitting poll >> packet >> Sep 19 15:39:02 sparta kernel: [1192066.955832] >> oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=23c2c8bc241e51af783d9abaf3b8008403f4099db600e63a6284359bda22502e,mems_allowed=0,global_oom,task_memcg=/system.slice/weewx.service,task=python3,pid=1081,uid=0 >> Sep 19 16:12:45 sparta systemd[1]: Starting LSB: weewx weather system... >> Sep 19 16:12:45 sparta weewx[907]: * Starting weewx weather system weewx >> Sep 19 16:12:46 sparta weewx[1003] INFO __main__: Initializing weewx version >> 4.8.0 >> Sep 19 16:12:46 sparta weewx[1003] INFO __main__: Using Python 3.8.10 >> (default, Jun 22 2022, 20:18:18) #012[GCC 9.4.0] >> Sep 19 16:12:46 sparta weewx[1003] INFO __main__: Platform >> Linux-5.4.0-125-generic-x86_64-with-glibc2.29 >> Sep 19 16:12:46 sparta weewx[1003] INFO __main__: Locale is 'C.UTF-8' >> Sep 19 16:12:46 sparta weewx[1003] INFO __main__: Using configuration file >> /etc/weewx/weewx.conf >> Sep 19 16:12:46 sparta weewx[1003] INFO __main__: Debug is 0 >> Sep 19 16:12:46 sparta weewx[1003] INFO __main__: PID file is >> /var/run/weewx.pid >> Sep 19 16:12:46 sparta weewx[1090] INFO weewx.engine: Loading station type >> WeatherLinkLive (user.weatherlink_live) >> Sep 19 16:12:46 sparta weewx[907]: ...done. >> Sep 19 16:12:46 sparta systemd[1]: Started LSB: weewx weather system. >> >> "oom" >> >> Sep 19 15:39:02 sparta kernel: [1192066.955659] python3 invoked oom-killer: >> gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 >> Sep 19 15:39:02 sparta kernel: [1192066.955672] >> oom_kill_process.cold+0xb/0x10 >> Sep 19 15:39:02 sparta kernel: [1192066.955745] [ pid ] uid tgid >> total_vm rss pgtables_bytes swapents oom_score_adj name >> Sep 19 15:39:02 sparta kernel: [1192066.955832] >> oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=23c2c8bc241e51af783d9abaf3b8008403f4099db600e63a6284359bda22502e,mems_allowed=0,global_oom,task_memcg=/system.slice/weewx.service,task=python3,pid=1081,uid=0 >> Sep 19 15:39:02 sparta kernel: [1192066.955996] Out of memory: Killed >> process 1081 (python3) total-vm:21086716kB, anon-rss:14282388kB, >> file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:36056kB oom_score_adj:0 >> >> -- >> You received this message because you are subscribed to the Google Groups >> "weewx-user" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to weewx-user+unsubscr...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/weewx-user/6300dba8-2595-45db-b386-465345ef89e2n%40googlegroups.com.
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