Pihole-FTL not working, need constant restart

Please follow the below template, it will help us to help you!

Expected Behaviour:

constanty working pihole

Actual Behaviour:

pihole stop working with not apparent reason and only come back after restart raspberry pi or pihole-FTL service

Debug Token:

https://tricorder.pi-hole.net/il49oqqgf9

Are there any errors shown in the following logs:

/var/log/pihole.log
/var/log/pihole-FTL.log
/var/log/syslog

Please generate a new debug log, upload and post the token. The first log did not appear to complely upload.

there you go, thank you for your response :slight_smile:

DEBUG TOKEN: https://tricorder.pi-hole.net/ohwvk191vr

This debug log shows that Pi-Hole is operating properly. You do have a large number of domains on blocklist, which may be filling memory.

   [2019-08-21 10:50:55.984 1003] /etc/pihole/gravity.list: parsed 3895087 domains (took 62099.4 ms)
   [2019-08-21 10:59:00.421 1003] Notice: Database size is 372.43 MB, deleted 1810 rows
   [2019-08-21 11:59:00.300 1003] Notice: Database size is 372.43 MB, deleted 197 rows

What are the outputs of free and df -a

when i generate that second debug the pihole was online, in the first try if was offline. the problem is random. it doesnt happen at regular time or regular basics.

here are free and df -a

free
>               total        used        free      shared  buff/cache   available
> Mem:         948304      648476       34428       51420      265400      189296
> Swap:        102396      102388           8

sudo df -a

> Filesystem            1K-blocks       Used  Available Use% Mounted on
> /dev/root              30094204   17882424   10928736  63% /
> devtmpfs                 469544          0     469544   0% /dev
> sysfs                         0          0          0    - /sys
> proc                          0          0          0    - /proc
> tmpfs                    474152        244     473908   1% /dev/shm
> devpts                        0          0          0    - /dev/pts
> tmpfs                    474152      48272     425880  11% /run
> tmpfs                      5120          4       5116   1% /run/lock
> tmpfs                    474152          0     474152   0% /sys/fs/cgroup
> cgroup2                       0          0          0    - /sys/fs/cgroup/unified
> cgroup                        0          0          0    - /sys/fs/cgroup/systemd
> cgroup                        0          0          0    - /sys/fs/cgroup/blkio
> cgroup                        0          0          0    - /sys/fs/cgroup/cpuset
> cgroup                        0          0          0    -/sys/fs/cgroup/cpu,cpuacct
> cgroup                        0          0          0    - /sys/fs/cgroup/freezer
> cgroup                        0          0          0    - /sys/fs/cgroup/devices
> cgroup                        0          0          0    - /sys/fs/cgroup/net_cls
> cgroup                        0          0          0    - /sys/fs/cgroup/pids
> cgroup                        0          0          0    - /sys/fs/cgroup/memory
> systemd-1                     -          -          -    - /proc/sys/fs/binfmt_misc
> sunrpc                        0          0          0    - /run/rpc_pipefs
> mqueue                        0          0          0    - /dev/mqueue
> debugfs                       0          0          0    - /sys/kernel/debug
> configfs                      0          0          0    - /sys/kernel/config
> /dev/mmcblk0p1            64456      41488      22968  65% /boot
> binfmt_misc                   0          0          0    - /proc/sys/fs/binfmt_misc
> 10.0.0.12:/nfs/Jorge 2879644160 1076525088 1744608064  39% /home/pi/Media
> tmpfs                     94828          0      94828   0% /run/user/999
> tmpfs                     94828          8      94820   1% /run/user/1000
> gvfsd-fuse                    0          0          0    - /run/user/1000/gvfs
> fusectl                       0          0          0    - /sys/fs/fuse/connections

Hi jfb

The pihole isn't responding all over again. This is the debug token as right now

DEBUG TOKEN
ux3few75h3

I don't see pihole-FTL listed in the debug log as a running process. What are the outputs of the following from the Pi terminal:

sudo netstat -nltup | grep 'Proto\|:53 \|:5053 \|:5353 \|:8953 \|:67 \|:80 \|:471'

sudo service pihole-FTL status

Also check the following logs for errors related to pihole-FTL:

/var/log/pihole.log

/var/log/pihole-FTL.log

/var/log/syslog

The outpot of

sudo netstat -nltup | grep 'Proto\|:53 \|:5053 \|:5353 \|:8953 \|:67 \|:80 \|:471'
> Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name    
> tcp        0      0 127.0.0.1:4711          0.0.0.0:*               LISTEN      1002/pihole-FTL     
> tcp        0      0 0.0.0.0:80              0.0.0.0:*               LISTEN      634/lighttpd        
> tcp        0      0 0.0.0.0:53              0.0.0.0:*               LISTEN      1002/pihole-FTL     
> tcp6       0      0 ::1:4711                :::*                    LISTEN      1002/pihole-FTL     
> tcp6       0      0 :::80                   :::*                    LISTEN      634/lighttpd        
> tcp6       0      0 :::53                   :::*                    LISTEN      1002/pihole-FTL     
> udp        0      0 0.0.0.0:53              0.0.0.0:*                           1002/pihole-FTL     
> udp        0      0 0.0.0.0:5353            0.0.0.0:*                           338/avahi-daemon: r 
> udp6       0      0 :::53                   :::*                                1002/pihole-FTL     
> udp6       0      0 :::5353                 :::*                                338/avahi-daemon: r

And i found this in the syslog

> Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892048] Plex Media Serv invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892089] Plex Media Serv cpuset=/ mems_allowed=0
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892105] CPU: 0 PID: 6454 Comm: Plex Media Serv Tainted: G         C        4.19.66-v7+ #1253
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892108] Hardware name: BCM2835
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892128] [<80111f38>] (unwind_backtrace) from [<8010d4b0>] (show_stack+0x20/0x24)
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892139] [<8010d4b0>] (show_stack) from [<808191e0>] (dump_stack+0xd4/0x118)
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892151] [<808191e0>] (dump_stack) from [<8023cee0>] (dump_header+0x80/0x250)
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892161] [<8023cee0>] (dump_header) from [<8023c258>] (oom_kill_process+0x358/0x3a8)
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892170] [<8023c258>] (oom_kill_process) from [<8023cb88>] (out_of_memory+0x134/0x36c)
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892179] [<8023cb88>] (out_of_memory) from [<80242fe0>] (__alloc_pages_nodemask+0x1024/0x1178)
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892188] [<80242fe0>] (__alloc_pages_nodemask) from [<802383dc>] (filemap_fault+0x5d0/0x704)
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892198] [<802383dc>] (filemap_fault) from [<8036f87c>] (ext4_filemap_fault+0x38/0x4c)
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892209] [<8036f87c>] (ext4_filemap_fault) from [<80270fe8>] (__do_fault+0x5c/0x194)
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892219] [<80270fe8>] (__do_fault) from [<802758a4>] (handle_mm_fault+0x568/0xd68)
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892228] [<802758a4>] (handle_mm_fault) from [<80836e28>] (do_page_fault+0x330/0x3a4)
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892238] [<80836e28>] (do_page_fault) from [<8011674c>] (do_PrefetchAbort+0x54/0xd8)
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892247] [<8011674c>] (do_PrefetchAbort) from [<80101f24>] (ret_from_exception+0x0/0x1c)
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892251] Exception stack(0x826a1fb0 to 0x826a1ff8)
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892256] 1fa0:                                     00000000 0000006d 03581120 0000006d
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892263] 1fc0: 74fc3868 651ecbc8 0356f840 74fc3868 74fc3868 74fc3868 03581140 651ec0c8
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892268] 1fe0: 7028ac90 651ebf80 03559d90 74f274f4 60000010 ffffffff
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892304] Mem-Info:
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892317] active_anon:83501 inactive_anon:101946 isolated_anon:0
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892317]  active_file:217 inactive_file:536 isolated_file:3
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892317]  unevictable:0 dirty:0 writeback:0 unstable:0
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892317]  slab_reclaimable:5762 slab_unreclaimable:12985
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892317]  mapped:1914 shmem:7496 pagetables:2051 bounce:0
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892317]  free:4077 free_pcp:59 free_cma:27
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892328] Node 0 active_anon:334004kB inactive_anon:407784kB active_file:868kB inactive_file:2144kB unevictable:0kB isolated(anon):0kB isolated(file):12kB mapped:7656kB dirty:0kB writeback:0kB shmem:29984kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892340] Normal free:16308kB min:16384kB low:20480kB high:24576kB active_anon:334004kB inactive_anon:407784kB active_file:948kB inactive_file:2364kB unevictable:0kB writepending:0kB present:970752kB managed:948304kB mlocked:0kB kernel_stack:3264kB pagetables:8204kB bounce:0kB free_pcp:236kB local_pcp:236kB free_cma:108kB
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892342] lowmem_reserve[]: 0 0
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892351] Normal: 2630*4kB (MEHC) 404*8kB (UMEHC) 45*16kB (UMH) 18*32kB (H) 11*64kB (H) 3*128kB (H) 1*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 16904kB
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892403] 9599 total pagecache pages
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892407] 1277 pages in swap cache
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892411] Swap cache stats: add 36559, delete 35282, find 102444/103977
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892413] Free swap  = 0kB
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892416] Total swap = 102396kB
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892419] 242688 pages RAM
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892422] 0 pages HighMem/MovableOnly
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892424] 5612 pages reserved
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892427] 2048 pages cma reserved
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892430] Tasks state (memory values in pages):
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892433] [  pid  ]   uid  tgid total_vm      rss pgtables_bytes swapents oom_score_adj name
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892456] [    115]     0   115     8877      324    96256        0             0 systemd-journal
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892463] [    166]     0   166     4702       68    20480      172         -1000 systemd-udevd
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892505] [    303]   119   303     1644       49    14336       38             0 rpcbind
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892511] [    336]   105   336     1639       58    16384       34             0 avahi-daemon
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892518] [    337]   111   337     5884       22    18432       35             0 rtkit-daemon
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892525] [    339]     0   339     3366       87    22528       93             0 systemd-logind
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892532] [    340]     0   340    16762      398    40960       85             0 udisksd
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892539] [    341]     0   341     2936       54    22528       99             0 alsactl
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892545] [    349]     0   349    13662      201    34816       41             0 ModemManager
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892552] [    351]     0   351     6465      301    26624        9             0 rsyslogd
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892559] [    353]   104   353     1899      154    16384       58          -900 dbus-daemon
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892566] [    354] 65534   354      674       43    10240        1             0 noip2
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892572] [    360]     0   360     2675       95    18432        8             0 wpa_supplicant
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892579] [    361] 65534   361     1243       40    16384       13             0 thd
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892622] [    427]   105   427     1606       10    12288       65             0 avahi-daemon
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892629] [    429]     0   429     9903      305    30720       99             0 polkitd
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892635] [    437]     0   437     2827       75    18432       78             0 wpa_supplicant
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892642] [    465]     0   465      535       30    10240        1             0 hciattach
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892648] [    468]     0   468     2452       82    16384        4             0 bluetoothd
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892655] [    469]     0   469     6676       33    22528       49             0 bluealsa
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892662] [    529]     0   529      740       23    10240       71             0 dhcpcd
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892668] [    531]  1000   531    45670    16353   184320     1320             0 mono
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892675] [    547]     0   547     2181        0    18432       61             0 vncserver-x11-s
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892681] [    548]     0   548      484       24    10240        4             0 minissdpd
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892688] [    555]   106   555     2170       71    18432       50             0 ntpd
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892694] [    557]     0   557     2722       37    18432      120         -1000 sshd
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892702] [    558]   112   558      485        0    12288       17             0 sh
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892745] [    560]     0   560    12298     1266    47104      168             0 vncserver-x11-c
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892752] [    570]   112   570   106178     4030   206848     2233             0 Plex Media Serv
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892758] [    580]   108   580    14457     4126    65536     8212             0 rpc.statd
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892765] [    590]     0   590     2080       24    18432       38             0 cron
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892772] [    607]     0   607    11844       69    30720      113             0 lightdm
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892778] [    664] 65534   664      636       23    10240       11             0 gdomap
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892785] [    705]    33   705     2397       42    16384       98             0 lighttpd
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892791] [    757]     0   757    38558     3806   137216      806             0 Xorg
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892798] [    764]     0   764     1164       25    14336        3             0 agetty
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892805] [    784]    33   784    46930      956    51200       88             0 php-cgi
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892811] [    898]   999   898     3664      188    24576       56             0 systemd
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892818] [    969]   999   969     4379       50    24576      444             0 (sd-pam)
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892857] [    986]   116   986     3676       82    24576       81             0 exim4
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892863] [    998]    33   998    46930      420    38912       84             0 php-cgi
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892870] [    999]    33   999    46930      420    38912       84             0 php-cgi
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892876] [   1000]    33  1000    46930      420    38912       84             0 php-cgi
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892883] [   1001]    33  1001    46930      420    38912       84             0 php-cgi
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892889] [   1003]   999  1003    89220    75184   327680      240             0 pihole-FTL
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892896] [   1053]     0  1053     7585      178    24576        5             0 lightdm
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892903] [   1064]  1000  1064     3665      140    22528      120             0 systemd
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892909] [   1067]  1000  1067     4379      162    24576      331             0 (sd-pam)
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892916] [   1084]  1000  1084    13628       80    43008      232             0 lxsession
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892923] [   1093]  1000  1093     1798       72    16384       60             0 dbus-daemon
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.892929] [   1095]   112  1095    45187     5987   100352      595             0 Plex Script Hos
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893010] [   1133]  1000  1133     1120        9    14336       69             0 ssh-agent
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893017] [   1149]  1000  1149    10852      116    28672       39             0 gvfsd
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893023] [   1154]  1000  1154    13627      128    36864        0             0 gvfsd-fuse
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893030] [   1167]  1000  1167    16074      412    43008      274             0 openbox
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893037] [   1169]  1000  1169    11783       33    43008      236             0 lxpolkit
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893043] [   1171]  1000  1171   105938     1330   102400      222             0 lxpanel
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893085] [   1172]  1000  1172    20317      426    59392      345             0 pcmanfm
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893092] [   1179]     0  1179     2964       78    20480       53             0 vncagent
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893099] [   1180]  1000  1180     1120        1    14336       78             0 ssh-agent
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893105] [   1182]  1000  1182    10112       28    32768       69             0 agent
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893112] [   1188]  1000  1188    42927     1644   131072      214             0 light-locker
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893118] [   1201]  1000  1201   111046      828    88064        0             0 pulseaudio
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893125] [   1203]  1000  1203     8043      307    34816      262             0 vncserverui
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893132] [   1228]  1000  1228     6498      103    20480        0             0 dconf-service
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893138] [   1234]  1000  1234     7880      297    40960      184             0 vncserverui
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893145] [   1239]  1000  1239    24532      331    49152        0             0 gvfs-udisks2-vo
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893152] [   1245]  1000  1245    14005      180    40960        0             0 gvfs-afc-volume
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893158] [   1255]  1000  1255     6610      114    20480        0             0 menu-cached
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893198] [   1261]  1000  1261    10032      101    32768        0             0 gvfs-mtp-volume
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893205] [   1268]  1000  1268    10424      123    34816        0             0 gvfs-gphoto2-vo
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893212] [   1279]  1000  1279    10025       80    28672        0             0 gvfs-goa-volume
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893218] [   1295]  1000  1295    13239      201    34816        0             0 gvfsd-trash
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893225] [   1302]  1000  1302     7744       83    28672        0             0 gvfsd-metadata
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893232] [   1362]  1000  1362    21130     1015    71680        0             0 lxterminal
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893239] [   1372]  1000  1372     2228      247    18432        0             0 bash
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893245] [   1437]   112  1437    44920     1693    90112        0             0 Plex DLNA Serve
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893252] [   1440]   112  1440    27124      237    57344        0             0 Plex Tuner Serv
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893258] [   1517]  1000  1517    57978    21045   176128      673             0 python2.7
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893265] [   2243]   113  2243    26813     6763    79872      274             0 transmission-da
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893313] [   6162]     0  6162     2722      147    20480        0             0 sshd
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893320] [   6164]   107  6164     2749      151    20480        0             0 sshd
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893327] [   6185]   112  6185    38853     6274    83968        0             0 Plex Script Hos
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893333] [   6221]     0  6221     2722      147    20480        0             0 sshd
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893340] [   6263]   112  6263    34583     6416    81920        0             0 Plex Script Hos
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893347] [   6352]   112  6352    31098     6656   106496        0             0 Plex Media Scan
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893354] [   6357]   112  6357    32667     3777    77824        0             0 Plex Script Hos
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893361] [   6366]     0  6366     2722      152    18432        0             0 sshd
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893367] [   6386]   107  6386     2749      151    18432        0             0 sshd
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893374] [   6407]     0  6407     3157      197    20480        0             0 sshd
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893380] [   6419]     0  6419     3157      197    20480        0             0 sshd
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893387] [   6430]   107  6430     2749      162    20480        0             0 sshd
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893443] [   6455]     0  6455     1326       29    10240        0             0 sshd
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893451] [   6456]     0  6456     1124       45    12288        0             0 modprobe
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893457] [   6457]     0  6457     1124       45    12288        0             0 modprobe
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893478] [   6459]     0  6459      238        1     8192        0             0 sshd
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893483] Out of memory: Kill process 1003 (pihole-FTL) score 287 or sacrifice child
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.893558] Killed process 1003 (pihole-FTL) total-vm:356880kB, anon-rss:300508kB, file-rss:0kB, shmem-rss:228kB
Aug 23 13:32:49 Jorge-RasPi kernel: [23325.980667] oom_reaper: reaped process 1003 (pihole-FTL), now anon-rss:0kB, file-rss:0kB, shmem-rss:228kB

it seems the cause of stopping the pihole-FTL process

You're out of available memory and Plex is killing what it can to try to save the situation.

A post was split to a new topic: Pi-Hole crashes after fresh install

thank you for your respond, so i need to kill plex? that will fix my problem?

You either need to stop the PLEX process, or fix the memory issue that is causing PLEX to do memory management.

fixing the memory issue is a software thing or hardware?

Plex Server needs way more than 1G RAM. You may be able to increase the size of the swapfile but it's not going to help much. Don't run network critical things like DNS on a small device with memory hungry software.

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i have been running pihole and plex for more that a year now, and didnt have this problem before. i suppose it had to be related to the buster upgrade.

i will disable plex and see how it goes

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