Tvheadend

With issue #3294 I've udpated to version 4.1-971~g5192186. Since then tvheadend is running out of meemory after a few recordings are started at the same time.

I've updated now to 4.1-988~g82776a4, but the memory issue is still there. I tried to get a coredump, but am unsuccessfull to get one trying with guide https://tvheadend.org/projects/tvheadend/wiki/Debugging.

Syslog:
Nov 15 20:14:03 mpw systemd¹: Removed slice user-1001.slice.
Nov 15 20:14:13 mpw tvheadend²⁹⁹⁴: TS: Ziggo/386MHz/NPO 3 HD: H264 #3201 Continuity counter error (total 1)
Nov 15 20:14:13 mpw tvheadend[2994]: TS: Ziggo/386MHz/NPO 3 HD: AC3 #3212 Continuity counter error (total 1)
Nov 15 20:14:13 mpw tvheadend²⁹⁹⁴: TS: Ziggo/386MHz/NPO 3 HD: TELETEXT #3301 Continuity counter error (total 1)
Nov 15 20:14:13 mpw tvheadend[2994]: TS: Ziggo/386MHz/NPO 3 HD: MPEG2AUDIO #3211 Continuity counter error (total 1)
Nov 15 20:14:13 mpw tvheadend²⁹⁹⁴: TS: Ziggo/386MHz/NPO 3 HD: MPEG2AUDIO #3213 Continuity counter error (total 1)
Nov 15 20:14:13 mpw tvheadend[2994]: TS: Ziggo/458MHz/RTL 4 HD: H264 #2001 Continuity counter error (total 1)
Nov 15 20:14:13 mpw tvheadend²⁹⁹⁴: TS: Ziggo/458MHz/RTL 4 HD: TELETEXT #2101 Continuity counter error (total 1)
Nov 15 20:14:13 mpw tvheadend[2994]: TS: Ziggo/458MHz/RTL 4 HD: AC3 #2012 Continuity counter error (total 1)
Nov 15 20:14:13 mpw tvheadend²⁹⁹⁴: TS: Ziggo/458MHz/RTL 5 HD: H264 #2301 Continuity counter error (total 1)
Nov 15 20:14:13 mpw tvheadend[2994]: TS: Ziggo/458MHz/RTL 5 HD: MPEG2AUDIO #2311 Continuity counter error (total 1)
Nov 15 20:14:13 mpw tvheadend²⁹⁹⁴: TS: Ziggo/458MHz/RTL 5 HD: TELETEXT #2401 Continuity counter error (total 1)
Nov 15 20:14:13 mpw tvheadend[2994]: TS: Ziggo/458MHz/RTL 4 HD: MPEG2AUDIO #2011 Continuity counter error (total 1)
Nov 15 20:14:13 mpw tvheadend²⁹⁹⁴: TS: Ziggo/458MHz/RTL 5 HD: AC3 @ #2312 Continuity counter error (total 1)
Nov 15 20:14:17 mpw kernel: [ 4483.564365] Purging GPU memory, 0 bytes freed, 8978432 bytes still pinned.
Nov 15 20:14:17 mpw kernel: [ 4483.564465] card_poll invoked oom-killer: gfp_mask=0x201da, order=0, oom_score_adj=0
Nov 15 20:14:17 mpw kernel: [ 4483.564467] card_poll cpuset=/ mems_allowed=0
Nov 15 20:14:17 mpw kernel: [ 4483.564473] CPU: 3 PID: 14309 Comm: card_poll Not tainted 3.16.0-50-generic #66~14.04.1-Ubuntu
Nov 15 20:14:17 mpw kernel: [ 4483.564475] Hardware name: /D54250WYK, BIOS WYLPT10H.86A.0040.2015.0612.1400 06/12/2015
Nov 15 20:14:17 mpw kernel: [ 4483.564477] 0000000000000000 ffff8800a9d7b8c8 ffffffff81766748 ffff8800aa6b0000
Nov 15 20:14:17 mpw kernel: [ 4483.564480] ffff8800a9d7b950 ffffffff817602f5 0000000000000000 0000000000000000
Nov 15 20:14:17 mpw kernel: [ 4483.564491] 0000000000000000 0000000000000000 0000000000000000 0000000000000000
Nov 15 20:14:17 mpw kernel: [ 4483.564494] Call Trace:
Nov 15 20:14:17 mpw kernel: [ 4483.564502] [<ffffffff81766748>] dump_stack+0x45/0x56
Nov 15 20:14:17 mpw kernel: [ 4483.564505] [<ffffffff817602f5>] dump_header+0x7f/0x1f1
Nov 15 20:14:17 mpw kernel: [ 4483.564512] [<ffffffff81165645>] oom_kill_process+0x205/0x360
Nov 15 20:14:17 mpw kernel: [ 4483.564516] [<ffffffff812ec305>] ? security_capable_noaudit+0x15/0x20
Nov 15 20:14:17 mpw kernel: [ 4483.564520] [<ffffffff81165df2>] out_of_memory+0x492/0x4d0
Nov 15 20:14:17 mpw kernel: [ 4483.564523] [<ffffffff81760e4d>] __alloc_pages_slowpath+0x63e/0x775
Nov 15 20:14:17 mpw kernel: [ 4483.564528] [<ffffffff8116bba3>] __alloc_pages_nodemask+0x273/0x2a0
Nov 15 20:14:17 mpw kernel: [ 4483.564533] [<ffffffff811ac6b4>] alloc_pages_current+0xa4/0x170
Nov 15 20:14:17 mpw kernel: [ 4483.564536] [<ffffffff81162057>] __page_cache_alloc+0x97/0xb0
Nov 15 20:14:17 mpw kernel: [ 4483.564540] [<ffffffff81164308>] filemap_fault+0x1a8/0x430
Nov 15 20:14:17 mpw kernel: [ 4483.564544] [<ffffffff8118aa99>] __do_fault+0x39/0x90
Nov 15 20:14:17 mpw kernel: [ 4483.564548] [<ffffffff8118d120>] do_read_fault.isra.56+0x50/0x2e0
Nov 15 20:14:17 mpw kernel: [ 4483.564551] [<ffffffff8118ee4d>] handle_mm_fault+0x62d/0x10b0
Nov 15 20:14:17 mpw kernel: [ 4483.564556] [<ffffffff8105af5e>] __do_page_fault+0x19e/0x560
Nov 15 20:14:17 mpw kernel: [ 4483.564561] [<ffffffff810a62e8>] ? __enqueue_entity+0x78/0x80
Nov 15 20:14:17 mpw kernel: [ 4483.564565] [<ffffffff810a8015>] ? set_next_entity+0x95/0xb0
Nov 15 20:14:17 mpw kernel: [ 4483.564569] [<ffffffff81011627>] ? __switch_to+0x167/0x580
Nov 15 20:14:17 mpw kernel: [ 4483.564573] [<ffffffff8105b351>] do_page_fault+0x31/0x70
Nov 15 20:14:17 mpw kernel: [ 4483.564577] [<ffffffff81770de8>] page_fault+0x28/0x30
Nov 15 20:14:17 mpw kernel: [ 4483.564578] Mem-Info:
Nov 15 20:14:17 mpw kernel: [ 4483.564580] Node 0 DMA per-cpu:
Nov 15 20:14:17 mpw kernel: [ 4483.564583] CPU 0: hi: 0, btch: 1 usd: 0
Nov 15 20:14:17 mpw kernel: [ 4483.564584] CPU 1: hi: 0, btch: 1 usd: 0
Nov 15 20:14:17 mpw kernel: [ 4483.564586] CPU 2: hi: 0, btch: 1 usd: 0
Nov 15 20:14:17 mpw kernel: [ 4483.564587] CPU 3: hi: 0, btch: 1 usd: 0
Nov 15 20:14:17 mpw kernel: [ 4483.564589] Node 0 DMA32 per-cpu:
Nov 15 20:14:17 mpw kernel: [ 4483.564591] CPU 0: hi: 186, btch: 31 usd: 30
Nov 15 20:14:17 mpw kernel: [ 4483.564593] CPU 1: hi: 186, btch: 31 usd: 7
Nov 15 20:14:17 mpw kernel: [ 4483.564595] CPU 2: hi: 186, btch: 31 usd: 0
Nov 15 20:14:17 mpw kernel: [ 4483.564597] CPU 3: hi: 186, btch: 31 usd: 0
Nov 15 20:14:17 mpw kernel: [ 4483.564598] Node 0 Normal per-cpu:
Nov 15 20:14:17 mpw kernel: [ 4483.564600] CPU 0: hi: 186, btch: 31 usd: 0
Nov 15 20:14:17 mpw kernel: [ 4483.564601] CPU 1: hi: 186, btch: 31 usd: 0
Nov 15 20:14:17 mpw kernel: [ 4483.564603] CPU 2: hi: 186, btch: 31 usd: 0
Nov 15 20:14:17 mpw kernel: [ 4483.564604] CPU 3: hi: 186, btch: 31 usd: 0
Nov 15 20:14:17 mpw kernel: [ 4483.564609] active_anon:622316 inactive_anon:198194 isolated_anon:0
Nov 15 20:14:17 mpw kernel: [ 4483.564609] active_file:78 inactive_file:18 isolated_file:6
Nov 15 20:14:17 mpw kernel: [ 4483.564609] unevictable:0 dirty:0 writeback:0 unstable:0
Nov 15 20:14:17 mpw kernel: [ 4483.564609] free:20733 slab_reclaimable:5016 slab_unreclaimable:5689
Nov 15 20:14:17 mpw kernel: [ 4483.564609] mapped:321 shmem:2632 pagetables:6281 bounce:0
Nov 15 20:14:17 mpw kernel: [ 4483.564609] free_cma:0
Nov 15 20:14:17 mpw kernel: [ 4483.564613] Node 0 DMA free:13844kB min:308kB low:384kB high:460kB active_anon:704kB inactive_anon:868kB active_file:0kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15984kB managed:15896kB mlocked:0kB dirty:0kB writeback:0kB mapped:16kB shmem:24kB slab_reclaimable:104kB slab_unreclaimable:132kB kernel_stack:16kB pagetables:88kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:72 all_unreclaimable? no
Nov 15 20:14:17 mpw kernel: [ 4483.564620] lowmem_reserve[]: 0 2935 3388 3388
Nov 15 20:14:17 mpw kernel: [ 4483.564624] Node 0 DMA32 free:60512kB min:58284kB low:72852kB high:87424kB active_anon:2282952kB inactive_anon:585344kB active_file:312kB inactive_file:552kB unevictable:0kB isolated(anon):0kB isolated(file):24kB present:3088116kB managed:3008820kB mlocked:0kB dirty:0kB writeback:0kB mapped:1076kB shmem:8716kB slab_reclaimable:17372kB slab_unreclaimable:16528kB kernel_stack:3232kB pagetables:21504kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:1024 all_unreclaimable? no
Nov 15 20:14:17 mpw kernel: [ 4483.564630] lowmem_reserve[]: 0 0 452 452
Nov 15 20:14:17 mpw kernel: [ 4483.564633] Node 0 Normal free:8420kB min:8988kB low:11232kB high:13480kB active_anon:205608kB inactive_anon:206564kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:522240kB managed:463700kB mlocked:0kB dirty:0kB writeback:0kB mapped:192kB shmem:1788kB slab_reclaimable:2588kB slab_unreclaimable:6096kB kernel_stack:1200kB pagetables:3532kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes
Nov 15 20:14:17 mpw kernel: [ 4483.564638] lowmem_reserve[]: 0 0 0 0
Nov 15 20:14:17 mpw kernel: [ 4483.564641] Node 0 DMA: 3*4kB (U) 5*8kB (UEM) 6*16kB (UEM) 2*32kB (E) 5*64kB (UEM) 2*128kB (EM) 1*256kB (M) 1*512kB (E) 2*1024kB (UE) 3*2048kB (EMR) 1*4096kB (M) = 13844kB
Nov 15 20:14:17 mpw kernel: [ 4483.564656] Node 0 DMA32: 308*4kB (UEM) 221*8kB (UEM) 264*16kB (UEM) 186*32kB (UEM) 96*64kB (UEM) 58*128kB (UE) 52*256kB (UEM) 30*512kB (UEM) 5*1024kB (UEM) 0*2048kB 0*4096kB = 60536kB
Nov 15 20:14:17 mpw kernel: [ 4483.564669] Node 0 Normal: 246*4kB (UEMR) 171*8kB (UEMR) 86*16kB (UEMR) 16*32kB (UER) 11*64kB (UE) 4*128kB (UE) 2*256kB (UR) 0*512kB 1*1024kB (R) 1*2048kB (R) 0*4096kB = 9040kB
Nov 15 20:14:17 mpw kernel: [ 4483.564684] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Nov 15 20:14:17 mpw kernel: [ 4483.564686] 11979 total pagecache pages
Nov 15 20:14:17 mpw kernel: [ 4483.564687] 8996 pages in swap cache
Nov 15 20:14:17 mpw kernel: [ 4483.564690] Swap cache stats: add 1168276, delete 1159280, find 71008/101293
Nov 15 20:14:17 mpw kernel: [ 4483.564691] Free swap = 0kB
Nov 15 20:14:17 mpw kernel: [ 4483.564692] Total swap = 4084732kB
Nov 15 20:14:17 mpw kernel: [ 4483.564694] 906585 pages RAM
Nov 15 20:14:17 mpw kernel: [ 4483.564695] 0 pages HighMem/MovableOnly
Nov 15 20:14:17 mpw kernel: [ 4483.564696] 14635 pages reserved
Nov 15 20:14:17 mpw kernel: [ 4483.564698] 0 pages hwpoisoned
Nov 15 20:14:17 mpw kernel: [ 4483.564699] [ pid ] uid tgid total_vm rss nr_ptes swapents oom_score_adj name
Nov 15 20:14:17 mpw kernel: [ 4483.564719] [ 234] 0 234 7857 209 18 51 0 systemd-journal
Nov 15 20:14:17 mpw kernel: [ 4483.564725] [ 236] 0 236 11186 13 21 304 -1000 systemd-udevd
Nov 15 20:14:17 mpw kernel: [ 4483.564730] [ 447] 0 447 8419 0 19 107 0 lircd
Nov 15 20:14:17 mpw kernel: [ 4483.564735] [ 484] 0 484 9307 4 23 93 0 rpcbind
Nov 15 20:14:17 mpw kernel: [ 4483.564739] [ 633] 0 633 7234 20 19 50 0 cron
Nov 15 20:14:17 mpw kernel: [ 4483.564743] [ 634] 0 634 84322 60 68 393 0 ModemManager
Nov 15 20:14:17 mpw kernel: [ 4483.564748] [ 636] 0 636 70780 66 42 702 0 accounts-daemon
Nov 15 20:14:17 mpw kernel: [ 4483.564752] [ 637] 0 637 7157 49 19 52 0 systemd-logind
Nov 15 20:14:17 mpw kernel: [ 4483.564755] [ 638] 109 638 95503 29 81 388 0 whoopsie
Nov 15 20:14:17 mpw kernel: [ 4483.564758] [ 640] 102 640 10864 176 26 80 -900 dbus-daemon
Nov 15 20:14:17 mpw kernel: [ 4483.564761] [ 667] 101 667 64093 16 28 202 0 rsyslogd
Nov 15 20:14:17 mpw kernel: [ 4483.564764] [ 668] 0 668 112831 191 72 891 0 NetworkManager
Nov 15 20:14:17 mpw kernel: [ 4483.564766] [ 673] 111 673 10049 28 24 80 0 avahi-daemon
Nov 15 20:14:17 mpw kernel: [ 4483.564769] [ 674] 0 674 21541 2 46 275 0 cupsd
Nov 15 20:14:17 mpw kernel: [ 4483.564772] [ 683] 0 683 69637 71 39 471 0 polkitd
Nov 15 20:14:17 mpw kernel: [ 4483.564774] [ 686] 111 686 10017 1 23 78 0 avahi-daemon
Nov 15 20:14:17 mpw kernel: [ 4483.564776] [ 696] 0 696 68090 57 66 777 0 cups-browsed
Nov 15 20:14:17 mpw kernel: [ 4483.564779] [ 723] 0 723 17490 32 37 158 -1000 sshd
Nov 15 20:14:17 mpw kernel: [ 4483.564782] [ 735] 119 735 1119 2 7 38 0 mysqld_safe
Nov 15 20:14:17 mpw kernel: [ 4483.564785] [ 1108] 119 1108 362554 1054 182 63204 0 mysqld
Nov 15 20:14:17 mpw kernel: [ 4483.564788] [ 1119] 0 1119 9803 1 22 131 0 wpa_supplicant
Nov 15 20:14:17 mpw kernel: [ 4483.564792] [ 1149] 0 1149 5864 21 14 1703 0 dhclient
Nov 15 20:14:17 mpw kernel: [ 4483.564796] [ 1158] 65534 1158 12024 22 27 70 0 dnsmasq
Nov 15 20:14:17 mpw kernel: [ 4483.564800] [ 1382] 0 1382 5860 5 14 91 0 oscam-svn
Nov 15 20:14:17 mpw kernel: [ 4483.564804] [ 1383] 0 1383 123486 39 29 251 0 oscam-svn
Nov 15 20:14:17 mpw kernel: [ 4483.564806] [ 1478] 0 1478 4881 23 15 39 0 irqbalance
Nov 15 20:14:17 mpw kernel: [ 4483.564809] [ 1480] 106 1480 11319 23 25 74 0 kerneloops
Nov 15 20:14:17 mpw kernel: [ 4483.564811] [ 1498] 0 1498 88097 72 39 139 0 lightdm
Nov 15 20:14:17 mpw kernel: [ 4483.564814] [ 1511] 0 1511 40192 551 71 1189 0 Xorg
Nov 15 20:14:17 mpw kernel: [ 4483.564816] [ 1518] 0 1518 1099 3 8 42 0 acpid
Nov 15 20:14:17 mpw kernel: [ 4483.564819] [ 1519] 0 1519 90858 28 129 1710 0 apache2
Nov 15 20:14:17 mpw kernel: [ 4483.564821] [ 1522] 33 1522 90894 3 115 1737 0 apache2
Nov 15 20:14:17 mpw kernel: [ 4483.564824] [ 1523] 33 1523 90894 3 115 1737 0 apache2
Nov 15 20:14:17 mpw kernel: [ 4483.564826] [ 1524] 33 1524 90894 7 115 1733 0 apache2
Nov 15 20:14:17 mpw kernel: [ 4483.564828] [ 1525] 33 1525 90894 3 115 1737 0 apache2
Nov 15 20:14:17 mpw kernel: [ 4483.564831] [ 1526] 33 1526 90894 3 115 1737 0 apache2
Nov 15 20:14:17 mpw kernel: [ 4483.564833] [ 1531] 0 1531 3965 2 13 39 0 agetty
Nov 15 20:14:17 mpw kernel: [ 4483.564836] [ 1532] 0 1532 58074 2 48 211 0 lightdm
Nov 15 20:14:17 mpw kernel: [ 4483.564838] [ 1538] 1000 1538 11292 87 25 137 0 systemd
Nov 15 20:14:17 mpw kernel: [ 4483.564841] [ 1539] 1000 1539 15776 1 32 458 0 (sd-pam)
Nov 15 20:14:17 mpw kernel: [ 4483.564843] [ 1542] 1000 1542 3117 2 11 55 0 kodi.desktop
Nov 15 20:14:17 mpw kernel: [ 4483.564846] [ 1604] 1000 1604 2792 11 8 73 0 ssh-agent
Nov 15 20:14:17 mpw kernel: [ 4483.564849] [ 1607] 1000 1607 9721 0 20 97 0 dbus-launch
Nov 15 20:14:17 mpw kernel: [ 4483.564853] [ 1608] 1000 1608 10681 0 23 93 0 dbus-daemon
Nov 15 20:14:17 mpw kernel: [ 4483.564856] [ 1620] 1000 1620 34812 75 34 157 0 synergyc
Nov 15 20:14:17 mpw kernel: [ 4483.564861] [ 1623] 1000 1623 1119 0 7 26 0 kodi-standalone
Nov 15 20:14:17 mpw kernel: [ 4483.564865] [ 1628] 1000 1628 1119 0 7 34 0 kodi
Nov 15 20:14:17 mpw kernel: [ 4483.564868] [ 1630] 1000 1630 774953 2561 446 48183 0 kodi.bin
Nov 15 20:14:17 mpw kernel: [ 4483.564872] [ 1631] 0 1631 68985 83 51 271 0 upowerd
Nov 15 20:14:17 mpw kernel: [ 4483.564877] [ 1747] 120 1747 8500 29 21 127 0 ntpd
Nov 15 20:14:17 mpw kernel: [ 4483.564881] [ 2427] 0 2427 26516 0 53 257 0 sshd
Nov 15 20:14:17 mpw kernel: [ 4483.564885] [ 2472] 1000 2472 26516 0 52 254 0 sshd
Nov 15 20:14:17 mpw kernel: [ 4483.564890] [ 2473] 1000 2473 5781 0 16 621 0 bash
Nov 15 20:14:17 mpw kernel: [ 4483.564893] [ 2487] 1000 2487 14079 0 33 112 0 su
Nov 15 20:14:17 mpw kernel: [ 4483.564898] [ 2491] 0 2491 5796 55 16 585 0 bash
Nov 15 20:14:17 mpw kernel: [ 4483.564902] [ 2858] 1000 2858 6814 32 15 108 0 screen
Nov 15 20:14:17 mpw kernel: [ 4483.564906] [ 2859] 1000 2859 5803 3 17 646 0 bash
Nov 15 20:14:17 mpw kernel: [ 4483.564910] [ 2876] 1000 2876 14079 0 34 112 0 su
Nov 15 20:14:17 mpw kernel: [ 4483.564914] [ 2880] 0 2880 5804 3 16 646 0 bash
Nov 15 20:14:17 mpw kernel: [ 4483.564918] [ 2965] 0 2965 14079 0 33 111 0 su
Nov 15 20:14:17 mpw kernel: [ 4483.564922] [ 2966] 117 2966 5779 3 18 621 0 bash
Nov 15 20:14:17 mpw kernel: [ 4483.564927] [ 2994] 117 2994 2239953 802223 3383 880945 0 tvheadend
Nov 15 20:14:17 mpw kernel: [ 4483.564932] Out of memory: Kill process 2994 (tvheadend) score 890 or sacrifice child
Nov 15 20:14:17 mpw kernel: [ 4483.564940] Killed process 2994 (tvheadend) total-vm:8959812kB, anon-rss:3208892kB, file-rss:0kB