even worse: 12:33 < aurel32> it get killed due to an OOM in cppunittester [...] 12:35 < aurel32> cppunittester tries to allocated 100GB+ of RAM 12:38 < aurel32> _rene_: https://paste.debian.net/hidden/748c5da1/ For reference: [158394.581662] nrpe invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=-500 [158394.581672] CPU: 0 PID: 3465725 Comm: nrpe Tainted: G E 5.10.0-19-s390x #1 Debian 5.10.149-2 [158394.581674] Hardware name: IBM 8561 LT1 400 (z/VM 7.1.0) [158394.581675] Call Trace: [158394.582764] [<000000005fa0d09a>] show_stack+0x8a/0xe0 [158394.582767] [<000000005fa11960>] dump_stack+0x90/0xc0 [158394.582769] [<000000005fa0ff08>] dump_header+0x60/0x2c8 [158394.582773] [<000000005f369978>] oom_kill_process+0x1d0/0x1d8 [158394.582775] [<000000005f36a698>] out_of_memory+0x268/0x400 [158394.582779] [<000000005f3da874>] __alloc_pages_slowpath.constprop.0+0xb64/0xfe0 [158394.582782] [<000000005f3db012>] __alloc_pages_nodemask+0x322/0x350 [158394.582786] [<000000005f363b9e>] pagecache_get_page+0x17e/0x410 [158394.582789] [<000000005f3659c4>] filemap_fault+0x72c/0x9c0 [158394.582811] [<000003ff800e6ca8>] ext4_filemap_fault+0x48/0x68 [ext4] [158394.582814] [<000000005f3ac17a>] __do_fault+0x4a/0x108 [158394.585487] [<000000005f3b2012>] handle_mm_fault+0xd9a/0x1510 [158394.585489] [<000000005f17e732>] do_exception+0x142/0x3b0 [158394.585490] [<000000005f17f350>] do_dat_exception+0x28/0x58 [158394.585493] [<000000005fa21732>] pgm_check_handler+0x1d6/0x228 [158394.585496] Mem-Info: [158394.585500] active_anon:26766 inactive_anon:1759776 isolated_anon:0 active_file:13 inactive_file:17 isolated_file:0 unevictable:74 dirty:0 writeback:0 slab_reclaimable:105073 slab_unreclaimable:81172 mapped:25 shmem:54 pagetables:40711 bounce:0 free:11724 free_pcp:186 free_cma:255 [158394.585504] Node 0 active_anon:107064kB inactive_anon:7039104kB active_file:52kB inactive_file:68kB unevictable:296kB isolated(anon):0kB isolated(file):0kB mapped:100kB dirty:0kB writeback:0kB shmem:216kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 8192kB writeback_tmp:0kB kernel_stack:3440kB all_unreclaimable? no [158394.585507] DMA free:29492kB min:5652kB low:7708kB high:9764kB reserved_highatomic:0KB active_anon:16452kB inactive_anon:1750236kB active_file:12kB inactive_file:12kB unevictable:36kB writepending:0kB present:2097152kB managed:2083512kB mlocked:36kB pagetables:60448kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [158394.585508] lowmem_reserve[]: 0 5992 5992 [158394.585512] Normal free:17404kB min:16872kB low:23008kB high:29144kB reserved_highatomic:1024KB active_anon:90612kB inactive_anon:5288444kB active_file:40kB inactive_file:56kB unevictable:260kB writepending:0kB present:6291456kB managed:6136440kB mlocked:260kB pagetables:102396kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:1020kB [158394.585513] lowmem_reserve[]: 0 0 0 [158394.585515] DMA: 35*4kB (UE) 279*8kB (UME) 119*16kB (UME) 10*32kB (UE) 11*64kB (UE) 37*128kB (UME) 8*256kB (ME) 34*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 29492kB [158394.585521] Normal: 206*4kB (EHC) 355*8kB (UMEHC) 739*16kB (UMEHC) 20*32kB (UMEC) 2*64kB (UC) 1*128kB (C) 1*256kB (C) 1*512kB (C) 0*1024kB 0*2048kB 0*4096kB = 17152kB [158394.585527] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1024kB [158394.585528] 29276 total pagecache pages [158394.585542] 29192 pages in swap cache [158394.585544] Swap cache stats: add 140701740, delete 140672540, find 50148851/59091700 [158394.585544] Free swap = 0kB [158394.585545] Total swap = 94371836kB [158394.585546] 2097152 pages RAM [158394.585546] 0 pages HighMem/MovableOnly [158394.585547] 42164 pages reserved [158394.585547] 1024 pages cma reserved [158394.585548] Tasks state (memory values in pages): [158394.585549] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [158394.585551] [ 202] 0 202 56576 181 436224 749 -250 systemd-journal [158394.585553] [ 236] 0 236 5366 17 77824 258 -1000 systemd-udevd [158394.585554] [ 393] 0 393 1774 29 75776 61 0 cron [158394.585556] [ 394] 118 394 2320 117 73728 77 -900 dbus-daemon [158394.585557] [ 400] 0 400 3836 77 90112 173 0 systemd-logind [158394.585559] [ 401] 0 401 9188 643 124928 5252 0 ud-replicated [158394.585560] [ 407] 117 407 1302 41 83968 97 0 ulogd [158394.585562] [ 408] 0 408 1295 10 61440 61 0 atd [158394.585563] [ 510] 0 510 47040 1322 163840 5782 0 samhain [158394.585564] [ 628] 119 628 4885 56 94208 205 0 lldpd [158394.585566] [ 645] 0 645 1555 7 69632 52 0 agetty [158394.585567] [ 647] 0 647 1555 7 69632 53 0 agetty [158394.585568] [ 648] 0 648 1555 5 69632 55 0 agetty [158394.585570] [ 649] 0 649 5217 390 104448 1994 0 munin-node [158394.585572] [ 651] 2952 651 3756 160 88064 190 0 systemd [158394.585573] [ 652] 0 652 542 20 49152 12 0 ekeyd-egd-linux [158394.585574] [ 662] 112 662 49397 15 143360 582 0 icinga2 [158394.585575] [ 664] 0 664 3083 44 88064 192 -1000 sshd [158394.585577] [ 666] 2952 666 25749 20 137216 771 0 (sd-pam) [158394.585578] [ 667] 108 667 18839 82 75776 158 0 ntpd [158394.585579] [ 671] 119 671 4859 35 90112 208 0 lldpd [158394.585580] [ 679] 107 679 7141 346 104448 2206 0 unbound [158394.585582] [ 680] 1 680 551 26 47104 10 0 uptimed [158394.585583] [ 689] 112 689 2435 16 75776 182 -500 nrpe [158394.585585] [ 690] 0 690 1174 2 71680 51 0 agetty [158394.585586] [ 691] 0 691 151254 923 514048 10418 0 syslog-ng [158394.585588] [ 699] 2952 699 4518 3 81920 2183 0 python3 [158394.585589] [ 702] 2952 702 19871 49 69632 36 0 gpg-agent [158394.585591] [ 732] 112 732 264615 1691 200704 1221 0 icinga2 [158394.585592] [ 737] 112 737 49397 54 110592 544 0 icinga2 [158394.585593] [ 968] 102 968 6945 44 116736 348 0 exim4 [158394.585594] [ 975] 106 975 4510 485 96256 1803 0 munin-asyncd [z [158394.585596] [ 1027] 109 1027 38209 0 110592 442 0 stunnel4 [158394.585597] [ 44399] 0 44399 4001 15 108544 308 0 sshd [158394.585598] [ 44402] 106 44402 3756 143 88064 201 0 systemd [158394.585600] [ 44403] 106 44403 42133 21 139264 773 0 (sd-pam) [158394.585601] [ 44420] 106 44420 4001 69 108544 267 0 sshd [158394.585603] [2253080] 0 2253080 47040 0 159744 7111 0 samhain [158394.585604] [3081073] 2952 3081073 9923 2 151552 7166 0 sbuild [158394.585605] [3081079] 2952 3081079 9544 0 133120 6790 0 sbuild [158394.585607] [3093239] 2952 3093239 4178 2 114688 303 0 schroot [158394.585608] [3093240] 2952 3093240 4848 4 98304 2996 0 dpkg-buildpacka [158394.585609] [3093551] 2952 3093551 905 4 61440 175 0 rules [158394.585611] [3310301] 0 3310301 2681 2 83968 167 0 cron [158394.585612] [3310304] 0 3310304 933 0 49152 61 0 bash [158394.585614] [3310305] 0 3310305 548 0 45056 23 0 sleep [158394.585615] [3355768] 2952 3355768 905 4 59392 176 0 rules [158394.585616] [3391850] 2952 3391850 1099 4 61440 84 0 bash [158394.585617] [3391852] 2952 3391852 710 1 57344 35 0 timeout [158394.585619] [3391853] 2952 3391853 1789 4 67584 1090 0 make [158394.585620] [3391881] 2952 3391881 641 1 47104 58 0 sh [158394.585621] [3391882] 2952 3391882 52936 4 477184 52239 0 make [158394.585623] [3451740] 2952 3451740 642 1 45056 61 0 sh [158394.585624] [3451746] 2952 3451746 28516257 1749288 161619968 18288901 0 cppunittester [158394.585626] [3461505] 2952 3461505 2650 81 77824 112 0 ssh [158394.585627] [3464843] 0 3464843 2681 51 83968 118 0 cron [158394.585628] [3464844] 0 3464844 933 62 49152 0 0 bash [158394.585630] [3464845] 0 3464845 548 20 47104 0 0 sleep [158394.585631] [3465713] 106 3465713 1862 204 59392 0 0 munin-async [158394.585632] [3465718] 112 3465718 574 21 63488 0 0 memory-percent [158394.585633] [3465719] 112 3465719 574 21 63488 0 0 memory-mb [158394.585634] [3465723] 112 3465723 2311 49 79872 0 0 dsa-check-memor [158394.585636] [3465724] 112 3465724 2193 36 67584 0 0 dsa-check-memor [158394.585637] [3465725] 112 3465725 2435 62 73728 134 -500 nrpe [158394.585638] [3465726] 112 3465726 2435 33 71680 163 -500 nrpe [158394.585640] [3465727] 112 3465727 2435 57 71680 140 -500 nrpe [158394.585641] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0,global_oom,task_memcg=/user.slice/user-2952.slice/user@2952.service/app.slice/buildd.service,task=cppunittester,pid=3451746,uid=2952 [158394.585654] Out of memory: Killed process 3451746 (cppunittester) total-vm:114065028kB, anon-rss:6997052kB, file-rss:8kB, shmem-rss:92kB, UID:2952 pgtables:157832kB oom_score_adj:0 [158398.352334] oom_reaper: reaped process 3451746 (cppunittester), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB