The SK-AM62 has 2GB RAM. I tested 1.8GB using Linux memtester. But when the test reached the block sequential algorithm, it crashed and the error is shown below.
Can anyone explain what does the error mean? Thanks.
root@am62xx-evm:/# memtester 1800M 1 memtester version 4.3.0 (64-bit) Copyright (C) 2001-2012 Charles Cazabon. Licensed under the GNU General Public License version 2 (only). pagesize is 4096 pagesizemask is 0xfffffffffffff000 want 1800MB (1887436800 bytes) got 1800MB (1887436800 bytes), trying mlock ...locked. Loop 1/1: Stuck Address : ok Random Value : ok Compare XOR : ok Compare SUB : ok Compare MUL : ok Compare DIV : ok Compare OR : ok Compare AND : ok Sequential Increment: ok Solid Bits : ok Block Sequential : setting 107[ 5536.804625] ipsec invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSE R_MOVABLE), order=0, oom_score_adj=0 [ 5536.814064] CPU: 3 PID: 1146 Comm: ipsec Tainted: G O 5.10.145-g8b51d20b6e #1 [ 5536.822487] Hardware name: Texas Instruments AM625 SK (DT) [ 5536.827963] Call trace: [ 5536.830414] dump_backtrace+0x0/0x1a0 [ 5536.834069] show_stack+0x18/0x68 [ 5536.837380] dump_stack+0xd0/0x12c [ 5536.840773] dump_header+0x48/0x19c [ 5536.844254] oom_kill_process+0x200/0x208 [ 5536.848252] out_of_memory+0xe4/0x320 [ 5536.851908] __alloc_pages_slowpath.constprop.0+0x958/0x9f8 [ 5536.857468] __alloc_pages_nodemask+0x1ec/0x240 [ 5536.861987] pagecache_get_page+0x140/0x2f8 [ 5536.866158] filemap_fault+0x5f4/0x9c0 [ 5536.869900] ext4_filemap_fault+0x34/0x918 [ 5536.873991] __do_fault+0x3c/0x1d0 [ 5536.877388] handle_mm_fault+0xaf0/0xf78 [ 5536.881304] do_page_fault+0x130/0x3a8 [ 5536.885046] do_translation_fault+0x58/0x68 [ 5536.889221] do_mem_abort+0x40/0xa0 [ 5536.892701] el0_ia+0x64/0xb8 [ 5536.895659] el0_sync_handler+0x98/0xb8 [ 5536.899484] el0_sync+0x180/0x1c0 [ 5536.902883] Mem-Info: [ 5536.905187] active_anon:192 inactive_anon:12036 isolated_anon:0 [ 5536.905187] active_file:25 inactive_file:2 isolated_file:0 [ 5536.905187] unevictable:460800 dirty:0 writeback:0 [ 5536.905187] slab_reclaimable:2446 slab_unreclaimable:6489 [ 5536.905187] mapped:517 shmem:2464 pagetables:1295 bounce:0 [ 5536.905187] free:5839 free_pcp:150 free_cma:17 [ 5536.937107] Node 0 active_anon:768kB inactive_anon:48144kB active_file:100kB inactive_file:976kB unevi ctable:1843200kB isolated(anon):0kB isolated(file):0kB mapped:2264kB dirty:0kB writeback:0kB shmem:9856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1769472kB writeback_tmp:0kB kernel_stack:2384kB all_unrecl aimable? no [ 5536.965611] DMA free:22756kB min:22528kB low:28160kB high:33792kB reserved_highatomic:0KB active_anon: 768kB inactive_anon:48144kB active_file:84kB inactive_file:1416kB unevictable:1843200kB writepending:0kB present:2097152kB managed:1982524kB mlocked:1843200kB pagetables:5180kB bounce:0kB free_pcp:200kB local_p cp:0kB free_cma:68kB [ 5536.994875] lowmem_reserve[]: 0 0 0 0 [ 5536.998586] DMA: 846*4kB (UMEC) 369*8kB (UMEC) 198*16kB (UMEC) 96*32kB (UMEC) 47*64kB (UME) 15*128kB ( UE) 4*256kB (UME) 1*512kB (U) 4*1024kB (UME) 0*2048kB 0*4096kB = 23136kB [ 5537.014212] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 5537.022922] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=32768kB [ 5537.031468] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 5537.039913] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=64kB [ 5537.048196] 2765 total pagecache pages [ 5537.051963] 0 pages in swap cache [ 5537.055300] Swap cache stats: add 0, delete 0, find 0/0 [ 5537.060543] Free swap = 0kB [ 5537.063443] Total swap = 0kB [ 5537.066334] 524288 pages RAM [ 5537.069207] 0 pages HighMem/MovableOnly [ 5537.073045] 28657 pages reserved [ 5537.076278] 131072 pages cma reserved [ 5537.079948] 0 pages hwpoisoned [ 5537.083008] Tasks state (memory values in pages): [ 5537.087735] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 5537.096424] [ 189] 999 189 920 68 40960 0 0 rpcbind [ 5537.104807] [ 190] 0 190 4831 1077 65536 0 -250 systemd-journal [ 5537.113888] [ 207] 0 207 3595 448 53248 0 -1000 systemd-udevd [ 5537.122773] [ 211] 992 211 20267 104 61440 0 0 systemd-timesyn [ 5537.131839] [ 785] 0 785 74581 35 73728 0 0 rngd [ 5537.139964] [ 796] 0 796 550 27 40960 0 0 atd [ 5537.147988] [ 797] 0 797 662 66 40960 0 0 crond [ 5537.156200] [ 798] 997 798 1117 131 45056 0 -900 dbus-daemon [ 5537.164922] [ 802] 0 802 19590 74 49152 0 0 irqbalance [ 5537.173557] [ 815] 0 815 600 23 36864 0 0 tee-supplicant [ 5537.182555] [ 834] 0 834 1747 108 53248 0 0 systemd-logind [ 5537.191533] [ 841] 994 841 1924 114 49152 0 0 systemd-network [ 5537.200592] [ 850] 993 850 1781 94 49152 0 0 systemd-resolve [ 5537.209667] [ 882] 996 882 1208 78 49152 0 0 avahi-daemon [ 5537.218471] [ 885] 998 885 810 145 45056 0 0 rpc.statd [ 5537.227020] [ 889] 0 889 2981 864 61440 0 0 snmpd [ 5537.235214] [ 893] 0 893 509 26 40960 0 0 agetty [ 5537.243489] [ 894] 0 894 1133 99 53248 0 0 login [ 5537.251696] [ 895] 996 895 1175 60 49152 0 0 avahi-daemon [ 5537.260499] [ 907] 0 907 1645 111 45056 0 0 hostapd [ 5537.268873] [ 921] 0 921 696 22 40960 0 0 udhcpd [ 5537.277171] [ 932] 0 932 849 62 40960 0 0 runWeston [ 5537.285722] [ 937] 0 937 696 21 40960 0 0 telnetd [ 5537.294082] [ 938] 0 938 7520 1693 94208 0 0 weston [ 5537.302366] [ 939] 0 939 1575 81 49152 0 0 iperf3 [ 5537.310675] [ 967] 0 967 3581 478 65536 0 0 weston-keyboard [ 5537.319754] [ 969] 0 969 3216 187 61440 0 0 weston-desktop- [ 5537.328832] [ 1129] 0 1129 2173 212 53248 0 0 systemd [ 5537.337191] [ 1130] 0 1130 2733 472 57344 0 0 (sd-pam) [ 5537.345662] [ 1135] 0 1135 1110 325 45056 0 0 sh [ 5537.353606] [ 1141] 0 1141 461274 460822 3735552 0 0 memtester [ 5537.362150] [ 1142] 0 1142 849 54 40960 0 0 docker.init [ 5537.370865] [ 1143] 0 1143 16432 2441 86016 0 0 dockerd [ 5537.379236] [ 1144] 0 1144 1454 97 49152 0 0 lighttpd [ 5537.387675] [ 1145] 0 1145 849 53 45056 0 0 netperf [ 5537.396038] [ 1146] 0 1146 849 53 40960 0 0 ipsec [ 5537.404241] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0,global_oom,tas k_memcg=/user.slice/user-0.slice/session-c1.scope,task=memtester,pid=1141,uid=0 [ 5537.420503] Out of memory: Killed process 1141 (memtester) total-vm:1845096kB, anon-rss:1843288kB, fil e-rss:0kB, shmem-rss:0kB, UID:0 pgtables:3648kB oom_score_adj:0 Killed root@am62xx-evm:/# [ 5542.591351] Initializing XFRM netlink socket [ 5546.635437] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scri pts to load br_netfilter if you need this. [ 5546.654713] Bridge firewalling registered [ 5548.238948] process 'docker/tmp/qemu-check535667909/check' started with executable stack
