[FS#3366] router keeps running out of memory, have to power cycle it periodically, need help figuring out why.

[OpenWrt Bugs]

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FS#3366 - router keeps running out of memory, have to power cycle it periodically, need help figuring out why.
User who did this - wrighrc (wrighrc)

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Sorry for the poor formatting.   I wish I could fix that but it seems I can't edit my own post.   Here's a comparison from yesterday and this morning. 



>From 9/29: 
root at OpenWrt:~# free -m
              total        used        free      shared  buff/cache   available
Mem:         123772       90884       27236        1104        5652        6208
Swap:        262140         520      261620

>From 9/30
root at OpenWrt:~# free -m
              total        used        free      shared  buff/cache   available
Mem:         123772       94848       22584         844        6340        1740
Swap:        262140        1544      260596




Wed Sep 30 08:23:26 EDT 2020
 08:23:26 up 10 days, 10:05,  load average: 0.06, 0.01, 0.01
Mem: 101308K used, 22464K free, 844K shrd, 1980K buff, 4356K cached
CPU:   0% usr   0% sys   0% nic 100% idle   0% io   0% irq   0% sirq
Load average: 0.06 0.02 0.02 2/71 25149
  PID  PPID USER     STAT   VSZ %VSZ %CPU COMMAND
 2175  2174 root     S     4912   4%   0% ocserv-sm
 2174     1 root     S     4740   4%   0% ocserv-main
  931     1 root     S     2324   2%   0% /sbin/rpcd -s /var/run/ubus.sock -t 30
 2001     1 root     S     1784   1%   0% /usr/sbin/hostapd -s -P /var/run/wifi-phy0.pid -B /var/run/hostapd-phy0.conf
 1077     1 root     S     1748   1%   0% /sbin/netifd
    1     0 root     S     1572   1%   0% /sbin/procd
  PID USER       VSZ STAT COMMAND
 2174 root      4740 S    ocserv-main
 2175 root      4912 S    ocserv-sm
              total        used        free      shared  buff/cache   available
Mem:         123772       95004       22432         844        6336        1588
Swap:        262140        1544      260596
MemTotal:         123772 kB
MemFree:           22376 kB
MemAvailable:       1532 kB
Buffers:            1980 kB
Cached:             4356 kB
SwapCached:          360 kB
Active:             4904 kB
Inactive:           3432 kB
Active(anon):        908 kB
Inactive(anon):     1936 kB
Active(file):       3996 kB
Inactive(file):     1496 kB
Unevictable:           0 kB
Mlocked:               0 kB
HighTotal:             0 kB
HighFree:              0 kB
LowTotal:         123772 kB
LowFree:           22376 kB
SwapTotal:        262140 kB
SwapFree:         260596 kB
Dirty:                 0 kB
Writeback:             0 kB
AnonPages:          1672 kB
Mapped:             2228 kB
Shmem:               844 kB
Slab:              11800 kB
SReclaimable:       1968 kB
SUnreclaim:         9832 kB
KernelStack:         624 kB
PageTables:          352 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:      324024 kB
Committed_AS:       6680 kB
VmallocTotal:    1040376 kB
VmallocUsed:           0 kB
VmallocChunk:          0 kB


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More information can be found at the following URL:
https://bugs.openwrt.org/index.php?do=details&task_id=3366#comment8854

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