From: Andreas Schwab <schwab@suse.de>
To: linux-riscv@lists.infradead.org
Subject: swap_info_get: Bad swap offset entry
Date: Wed, 23 Oct 2019 09:50:27 +0200 [thread overview]
Message-ID: <mvmpninsxx8.fsf@suse.de> (raw)
I got these messages during an OOM situation. The last few messages
look worrying.
[40671.393555] python3 invoked oom-killer: gfp_mask=0x0(), order=0, oom_score_adj=0
[40671.400209] CPU: 2 PID: 28600 Comm: python3 Not tainted 5.4.0-rc4-1.g9db4e16-default #1 openSUSE Tumbleweed (unreleased)
[40671.411022] Call Trace:
[40671.413469] [<ffffffe000043992>] walk_stackframe+0x0/0xaa
[40671.418841] [<ffffffe000043b7e>] show_stack+0x2a/0x34
[40671.423881] [<ffffffe00060fbbe>] dump_stack+0x66/0x82
[40671.428921] [<ffffffe000115058>] dump_header+0x40/0x1a4
[40671.434121] [<ffffffe000114852>] oom_kill_process+0x1b2/0x1b4
[40671.439851] [<ffffffe000114eaa>] out_of_memory+0x15a/0x25e
[40671.445321] [<ffffffe000115000>] pagefault_out_of_memory+0x52/0x6a
[40671.451486] [<ffffffe000045f5e>] do_page_fault+0x2f8/0x322
[40671.456955] [<ffffffe0000426c0>] ret_from_exception+0x0/0xc
[40671.462541] Mem-Info:
[40671.464790] active_anon:1212163 inactive_anon:238166 isolated_anon:0
[40671.464790] active_file:29657 inactive_file:157590 isolated_file:0
[40671.464790] unevictable:20 dirty:19 writeback:0 unstable:0
[40671.464790] slab_reclaimable:14343 slab_unreclaimable:15189
[40671.464790] mapped:8335 shmem:104 pagetables:3538 bounce:0
[40671.464790] free:361296 free_pcp:2077 free_cma:0
[40671.498898] Node 0 active_anon:4848652kB inactive_anon:952664kB active_file:118972kB inactive_file:631736kB unevictable:80kB isolated(anon):0kB isolated(file):0kB mapped:33684kB dirty:76kB writeback:0kB shmem:416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[40671.522481] DMA32 free:589296kB min:2804kB low:4804kB high:6804kB active_anon:485736kB inactive_anon:537484kB active_file:14840kB inactive_file:376340kB unevictable:0kB writepending:12kB present:2095104kB managed:2019720kB mlocked:0kB kernel_stack:136kB pagetables:1092kB bounce:0kB free_pcp:5120kB local_pcp:1500kB free_cma:0kB
[40671.551372] lowmem_reserve[]: 0 6003 6003
[40671.555358] Normal free:852132kB min:8608kB low:14752kB high:20896kB active_anon:4362916kB inactive_anon:415180kB active_file:104648kB inactive_file:257632kB unevictable:80kB writepending:320kB present:6291456kB managed:6147344kB mlocked:80kB kernel_stack:1312kB pagetables:13060kB bounce:0kB free_pcp:2344kB local_pcp:1348kB free_cma:0kB
[40671.585124] lowmem_reserve[]: 0 0 0
[40671.588571] DMA32: 103796*4kB (UME) 13886*8kB (UME) 1175*16kB (UME) 384*32kB (UME) 155*64kB (UME) 32*128kB (UM) 18*256kB (UME) 8*512kB (UME) 5*1024kB (ME) 2*2048kB (ME) 0*4096kB = 589296kB
[40671.605356] Normal: 141095*4kB (UMEH) 17103*8kB (UMEH) 457*16kB (UMEH) 157*32kB (UMEH) 97*64kB (UMEH) 32*128kB (UMEH) 9*256kB (M) 100*512kB (M) 73*1024kB (M) 0*2048kB 0*4096kB = 852100kB
[40671.621944] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[40671.630361] 190750 total pagecache pages
[40671.634247] 2253 pages in swap cache
[40671.637823] Swap cache stats: add 55204, delete 52951, find 627114/627909
[40671.644573] Free swap = 1982460kB
[40671.647980] Total swap = 2198524kB
[40671.651345] 2096640 pages RAM
[40671.654295] 0 pages HighMem/MovableOnly
[40671.658136] 54874 pages reserved
[40671.661330] Tasks state (memory values in pages):
[40671.666038] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name
[40671.674642] [ 658] 0 658 15364 1357 94208 0 -250 systemd-journal
[40671.683670] [ 664] 0 664 1851 319 36864 463 0 haveged
[40671.692002] [ 682] 0 682 6187 690 61440 620 -1000 systemd-udevd
[40671.700862] [ 744] 0 744 3736 105 40960 32 -1000 auditd
[40671.709108] [ 763] 475 763 2680 962 53248 197 0 avahi-daemon
[40671.717875] [ 764] 499 764 4040 1110 61440 1150 -900 dbus-daemon
[40671.726569] [ 767] 0 767 19362 427 40960 0 0 irqbalance
[40671.735162] [ 779] 478 779 1898 308 45056 21 0 rpcbind
[40671.743470] [ 783] 0 783 1745 598 40960 84 0 wickedd-auto4
[40671.752346] [ 784] 472 784 192760 3147 249856 9929 0 nscd
[40671.760419] [ 789] 0 789 1746 790 40960 68 0 wickedd-dhcp4
[40671.769275] [ 792] 0 792 1746 987 45056 99 0 wickedd-dhcp6
[40671.778130] [ 835] 0 835 1776 1036 45056 46 0 wickedd
[40671.786465] [ 837] 0 837 1752 885 40960 92 0 wickedd-nanny
[40671.795320] [ 1175] 467 1175 19262 308 36864 2 0 chronyd
[40671.803636] [ 1190] 0 1190 35847 3963 155648 8894 0 ypbind
[40671.811904] [ 1191] 477 1191 14810 2831 151552 9594 0 rpc.statd
[40671.820412] [ 1230] 0 1230 2250 224 45056 185 -1000 sshd
[40671.828486] [ 1236] 0 1236 2592 490 45056 37 0 systemd-logind
[40671.837428] [ 1239] 0 1239 552 260 36864 0 0 agetty
[40671.845676] [ 1240] 0 1240 1194 320 32768 1 0 agetty
[40671.853907] [ 1253] 0 1253 138281 2999 212992 10178 0 automount
[40671.862433] [ 1332] 0 1332 3070 239 53248 164 0 master
[40671.870681] [ 1334] 51 1334 3162 668 49152 0 0 qmgr
[40671.878755] [ 1347] 0 1347 1583 386 40960 6 0 cron
[40671.886838] [ 1670] 0 1670 2995 535 45056 115 0 systemd
[40671.895165] [ 1673] 0 1673 3945 123 49152 619 0 (sd-pam)
[40671.903568] [ 2305] 0 2305 2677 686 57344 108 0 sshd
[40671.911662] [ 2319] 0 2319 2325 555 49152 376 0 bash
[40671.919736] [ 2863] 0 2863 2579 540 49152 20 0 sshd
[40671.927809] [ 2870] 0 2870 2222 634 49152 165 0 screen
[40671.936057] [ 2871] 0 2871 7705 3069 90112 2840 0 bs_worker
[40671.944548] [ 2884] 17005 2884 2965 552 49152 102 0 systemd
[40671.952904] [ 2885] 17005 2885 24525 128 65536 661 0 (sd-pam)
[40671.961324] [ 2893] 17005 2893 2662 340 49152 88 0 sshd
[40671.969398] [ 2894] 17005 2894 18564 11834 176128 4547 0 bash
[40671.977473] [ 2940] 0 2940 1887 281 49152 0 0 screen
[40671.985720] [ 24184] 51 24184 3072 399 49152 0 0 pickup
[40671.993959] [ 24834] 0 24834 11142 4978 114688 4013 0 bs_worker
[40672.002494] [ 24836] 0 24836 1769 1157 40960 0 0 build
[40672.010643] [ 24846] 0 24846 1352 551 36864 0 0 perl
[40672.018715] [ 25693] 0 25693 1170 705 32768 0 0 su
[40672.026615] [ 25694] 399 25694 1836 1422 40960 0 0 rpmbuild
[40672.035041] [ 28587] 399 28587 709 535 28672 0 0 sh
[40672.042917] [ 28590] 399 28590 36039 27057 262144 0 0 py.test-3.7
[40672.051620] [ 28597] 399 28597 63644 51842 507904 0 0 python3
[40672.059954] [ 28600] 399 28600 1253107 1243089 10305536 0 0 python3
[40672.068288] [ 28603] 399 28603 66335 54587 512000 0 0 python3
[40672.076623] [ 28606] 399 28606 52284 48204 438272 0 0 python3
[40672.084953] [ 691] 0 691 7705 2826 90112 2757 0 bs_worker
[40672.093463] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0,global_oom,task_memcg=/system.slice/obsworker.service,task=python3,pid=28600,uid=399
[40672.108850] Out of memory: Killed process 28600 (python3) total-vm:5012428kB, anon-rss:4959416kB, file-rss:12940kB, shmem-rss:0kB, UID:399 pgtables:10305536kB oom_score_adj:0
[40673.187418] swap_info_get: Bad swap offset entry 1ffffffc0118a01
[40673.192651] BUG: Bad page map in process python3 pte:ffffffe008c50080 pmd:22393c01
[40673.200327] addr:0000003fa0bfd000 vm_flags:00100073 anon_vma:ffffffe1d24ce948 mapping:0000000000000000 index:405651e
[40673.210822] file:(null) fault:0x0 mmap:0x0 readpage:0x0
[40673.216021] CPU: 1 PID: 28600 Comm: python3 Not tainted 5.4.0-rc4-1.g9db4e16-default #1 openSUSE Tumbleweed (unreleased)
[40673.226850] Call Trace:
[40673.229298] [<ffffffe000043992>] walk_stackframe+0x0/0xaa
[40673.234669] [<ffffffe000043b7e>] show_stack+0x2a/0x34
[40673.239710] [<ffffffe00060fbbe>] dump_stack+0x66/0x82
[40673.244742] [<ffffffe000133bf8>] print_bad_pte+0x13a/0x1ae
[40673.250210] [<ffffffe000135482>] unmap_page_range+0x1fe/0x5c4
[40673.255949] [<ffffffe0001149b6>] __oom_reap_task_mm+0x9c/0xfe
[40673.261674] [<ffffffe00013c336>] exit_mmap+0xe0/0x108
[40673.266709] [<ffffffe00004a6c8>] mmput+0x4c/0x106
[40673.271396] [<ffffffe00004fbce>] do_exit+0x1dc/0x7ea
[40673.276343] [<ffffffe000050236>] do_group_exit+0x2a/0x7e
[40673.281645] [<ffffffe000058440>] get_signal+0x12a/0x72c
[40673.286849] [<ffffffe000043438>] do_notify_resume+0x2e/0xec
[40673.292404] [<ffffffe0000426c0>] ret_from_exception+0x0/0xc
[40673.297989] Disabling lock debugging due to kernel taint
[40673.385494] oom_reaper: reaped process 28600 (python3), now anon-rss:4kB, file-rss:0kB, shmem-rss:0kB
[40809.404970] BUG: Bad rss-counter state mm:00000000faa80a55 type:MM_ANONPAGES val:1
[40809.411774] BUG: Bad rss-counter state mm:00000000faa80a55 type:MM_SWAPENTS val:-1
Andreas.
--
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."
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