Bug #45821
Updated by Deepika Upadhyay almost 4 years ago
sha1 of branch: 963bb62ec9fcaf5493a50bcb0e554789ed60a180 (or latest master) workenv: centos 8, vossi04 sepia machine 1. init vstart with crimson bluestore <pre> MDS=0 MGR=1 OSD=1 MON=1 ../src/vstart.sh -n -b --crimson --without-dashboard </pre> this output's following log along with being stuck for about 10 sec and then hitting segfault, also generates a lot of core dump related to crimson: <pre> rm -f core* hostname vossi04 ip 172.21.10.4 port 40762 /home/ideepika/ceph/build2/bin/ceph-authtool --create-keyring --gen-key --name=mon. /home/ideepika/ceph/build2/keyring --cap mon 'allow *' creating /home/ideepika/ceph/build2/keyring /home/ideepika/ceph/build2/bin/ceph-authtool --gen-key --name=client.admin --cap mon 'allow *' --cap osd 'allow *' --cap mds 'allow *' --cap mgr 'allow *' /home/ideepika/ceph/build2/keyring /home/ideepika/ceph/build2/bin/monmaptool --create --clobber --addv a [v2:172.21.10.4:40762,v1:172.21.10.4:40763] --print /tmp/ceph_monmap.3840181 /home/ideepika/ceph/build2/bin/monmaptool: monmap file /tmp/ceph_monmap.3840181 /home/ideepika/ceph/build2/bin/monmaptool: generated fsid 59abc33c-bf3a-46ba-ba39-7f2d89c99c96 epoch 0 fsid 59abc33c-bf3a-46ba-ba39-7f2d89c99c96 last_changed 2020-06-02T15:30:52.800591+0000 created 2020-06-02T15:30:52.800591+0000 min_mon_release 0 (unknown) 0: [v2:172.21.10.4:40762/0,v1:172.21.10.4:40763/0] mon.a /home/ideepika/ceph/build2/bin/monmaptool: writing epoch 0 to /tmp/ceph_monmap.3840181 (1 monitors) rm -rf -- /home/ideepika/ceph/build2/dev/mon.a mkdir -p /home/ideepika/ceph/build2/dev/mon.a /home/ideepika/ceph/build2/bin/ceph-mon --mkfs -c /home/ideepika/ceph/build2/ceph.conf -i a --monmap=/tmp/ceph_monmap.3840181 --keyring=/home/ideepika/ceph/build2/keyring rm -- /tmp/ceph_monmap.3840181 /home/ideepika/ceph/build2/bin/ceph-mon -i a -c /home/ideepika/ceph/build2/ceph.conf Populating config ... [mgr] mgr/telemetry/enable = false mgr/telemetry/nag = false creating /home/ideepika/ceph/build2/dev/mgr.x/keyring /home/ideepika/ceph/build2/bin/ceph -c /home/ideepika/ceph/build2/ceph.conf -k /home/ideepika/ceph/build2/keyring -i /home/ideepika/ceph/build2/dev/mgr.x/keyring auth add mgr.x mon 'allow profile mgr' mds 'allow *' osd 'allow *' added key for mgr.x /home/ideepika/ceph/build2/bin/ceph -c /home/ideepika/ceph/build2/ceph.conf -k /home/ideepika/ceph/build2/keyring config set mgr mgr/prometheus/x/server_port 9283 --force /home/ideepika/ceph/build2/bin/ceph -c /home/ideepika/ceph/build2/ceph.conf -k /home/ideepika/ceph/build2/keyring config set mgr mgr/restful/x/server_port 42762 --force Starting mgr.x /home/ideepika/ceph/build2/bin/ceph-mgr -i x -c /home/ideepika/ceph/build2/ceph.conf /home/ideepika/ceph/build2/bin/ceph -c /home/ideepika/ceph/build2/ceph.conf -k /home/ideepika/ceph/build2/keyring -h waiting for mgr restful module to start /home/ideepika/ceph/build2/bin/ceph -c /home/ideepika/ceph/build2/ceph.conf -k /home/ideepika/ceph/build2/keyring -h waiting for mgr restful module to start /home/ideepika/ceph/build2/bin/ceph -c /home/ideepika/ceph/build2/ceph.conf -k /home/ideepika/ceph/build2/keyring -h waiting for mgr restful module to start /home/ideepika/ceph/build2/bin/ceph -c /home/ideepika/ceph/build2/ceph.conf -k /home/ideepika/ceph/build2/keyring -h waiting for mgr restful module to start /home/ideepika/ceph/build2/bin/ceph -c /home/ideepika/ceph/build2/ceph.conf -k /home/ideepika/ceph/build2/keyring -h waiting for mgr restful module to start /home/ideepika/ceph/build2/bin/ceph -c /home/ideepika/ceph/build2/ceph.conf -k /home/ideepika/ceph/build2/keyring -h /home/ideepika/ceph/build2/bin/ceph -c /home/ideepika/ceph/build2/ceph.conf -k /home/ideepika/ceph/build2/keyring restful create-self-signed-cert Restarting RESTful API server... /home/ideepika/ceph/build2/bin/ceph -c /home/ideepika/ceph/build2/ceph.conf -k /home/ideepika/ceph/build2/keyring restful create-key admin -o /tmp/tmp.LKGwnBh32I add osd0 103b2dae-2935-468e-ac34-84ab6210365b /home/ideepika/ceph/build2/bin/ceph -c /home/ideepika/ceph/build2/ceph.conf -k /home/ideepika/ceph/build2/keyring osd new 103b2dae-2935-468e-ac34-84ab6210365b -i /home/ideepika/ceph/build2/dev/osd0/new.json 0 WARN 2020-06-02 15:31:03,538 [shard 0] seastar - Unable to set SCHED_FIFO scheduling policy for timer thread; latency impact possible. Try adding CAP_SYS_NICE INFO 2020-06-02 15:31:03,548 [shard 0] objclass - <cls> /home/ideepika/ceph/src/cls/cas/cls_cas.cc:240: Loaded cas class! INFO 2020-06-02 15:31:03,550 [shard 0] objclass - <cls> /home/ideepika/ceph/src/cls/refcount/cls_refcount.cc:199: Loaded refcount class! INFO 2020-06-02 15:31:03,550 [shard 0] objclass - <cls> /home/ideepika/ceph/src/cls/version/cls_version.cc:218: Loaded version class! WARN 2020-06-02 15:31:03,550 [shard 0] osd - _load_class could not open class /home/ideepika/ceph/build2/lib/libcls_queue.so (dlopen failed): /home/ideepika/ceph/build2/lib/libcls_queue.so: undefined symbol: _Z18cls_cxx_write_zeroPvii WARN 2020-06-02 15:31:03,550 [shard 0] osd - OSD warning: got an error loading one or more classes: (5) Input/output error ^F^C../src/vstart.sh: line 828: 3840859 Segmentation fault (core dumped) $SUDO $CEPH_BIN/$ceph_osd $extra_osd_args -i $osd $ARGS --mkfs --key $OSD_SECRET --osd-uuid $uuid $extra_seastar_args </pre> 2. just see the size of 3. core dump :') examination: <pre> -rw-------. 1 root root 176G May 31 21:45 core-crimson-osd.1066889.vossi04.1590961517 -rw-------. 1 root root 176G May 31 21:47 core-crimson-osd.1067174.vossi04.1590961624 -rw-------. 1 root root 176G May 31 21:57 core-crimson-osd.1072364.vossi04.1590962229 -rw-------. 1 root root 182G Jun 1 09:05 core-crimson-osd.1117521.vossi04.1591002343 -rw-------. 1 root root 176G Jun 1 10:57 core-crimson-osd.1176561.vossi04.1591009039 -rw-------. 1 ideepika ideepika 183G Jun 2 10:36 core-crimson-osd.3754493.vossi04.1591094168 -rw-------. 1 ideepika ideepika 183G Jun 2 10:36 core-crimson-osd.3754782.vossi04.1591094215 -rw-------. 1 ideepika ideepika 183G Jun 2 10:37 core-crimson-osd.3755072.vossi04.1591094262 -rw-------. 1 ideepika ideepika 183G Jun 2 10:38 core-crimson-osd.3755364.vossi04.1591094309 -rw-------. 1 ideepika ideepika 183G Jun 2 10:39 core-crimson-osd.3755653.vossi04.1591094357 -rw-------. 1 ideepika ideepika 183G Jun 2 10:40 core-crimson-osd.3755942.vossi04.1591094405 -rw-------. 1 ideepika ideepika 183G Jun 2 10:40 core-crimson-osd.3756231.vossi04.1591094454 -rw-------. 1 ideepika ideepika 183G Jun 2 10:41 core-crimson-osd.3756520.vossi04.1591094504 -rw-------. 1 ideepika ideepika 183G Jun 2 10:42 core-crimson-osd.3756809.vossi04.1591094553 -rw-------. 1 ideepika ideepika 183G Jun 2 10:43 core-crimson-osd.3757098.vossi04.1591094604 -rw-------. 1 ideepika ideepika 183G Jun 2 10:44 core-crimson-osd.3757387.vossi04.1591094655 -rw-------. 1 ideepika ideepika 183G Jun 2 10:45 core-crimson-osd.3757676.vossi04.1591094706 -rw-------. 1 ideepika ideepika 183G Jun 2 10:46 core-crimson-osd.3757965.vossi04.1591094758 -rw-------. 1 ideepika ideepika 183G Jun 2 10:46 core-crimson-osd.3758254.vossi04.1591094806 -rw-------. 1 ideepika ideepika 183G Jun 2 10:47 core-crimson-osd.3758543.vossi04.1591094845 -rw-------. 1 ideepika ideepika 183G Jun 2 10:48 core-crimson-osd.3758832.vossi04.1591094883 -rw-------. 1 ideepika ideepika 183G Jun 2 10:48 core-crimson-osd.3759121.vossi04.1591094917 -rw-------. 1 ideepika ideepika 183G Jun 2 10:49 core-crimson-osd.3759410.vossi04.1591094950 -rw-------. 1 ideepika ideepika 183G Jun 2 10:49 core-crimson-osd.3759699.vossi04.1591094983 -rw-------. 1 ideepika ideepika 183G Jun 2 10:50 core-crimson-osd.3759988.vossi04.1591095018 -rw-------. 1 ideepika ideepika 183G Jun 2 10:50 core-crimson-osd.3760277.vossi04.1591095052 -rw-------. 1 ideepika ideepika 183G Jun 2 10:51 core-crimson-osd.3760566.vossi04.1591095086 -rw-------. 1 ideepika ideepika 183G Jun 2 10:52 core-crimson-osd.3760855.vossi04.1591095118 -rw-------. 1 ideepika ideepika 183G Jun 2 10:52 core-crimson-osd.3761144.vossi04.1591095151 -rw-------. 1 ideepika ideepika 183G Jun 2 10:53 core-crimson-osd.3761433.vossi04.1591095184 -rw-------. 1 ideepika ideepika 183G Jun 2 10:53 core-crimson-osd.3761722.vossi04.1591095217 -rw-------. 1 ideepika ideepika 183G Jun 2 10:54 core-crimson-osd.3762011.vossi04.1591095250 -rw-------. 1 ideepika ideepika 183G Jun 2 10:54 core-crimson-osd.3762300.vossi04.1591095283 -rw-------. 1 ideepika ideepika 183G Jun 2 10:55 core-crimson-osd.3762590.vossi04.1591095317 -rw-------. 1 ideepika ideepika 183G Jun 2 10:55 core-crimson-osd.3762879.vossi04.1591095351 -rw-------. 1 ideepika ideepika 183G Jun 2 10:56 core-crimson-osd.3763168.vossi04.1591095385 -rw-------. 1 ideepika ideepika 183G Jun 2 10:57 core-crimson-osd.3763457.vossi04.1591095419 -rw-------. 1 ideepika ideepika 183G Jun 2 10:57 core-crimson-osd.3763746.vossi04.1591095452 -rw-------. 1 ideepika ideepika 183G Jun 2 10:58 core-crimson-osd.3764035.vossi04.1591095487 -rw-------. 1 ideepika ideepika 183G Jun 2 10:58 core-crimson-osd.3764324.vossi04.1591095523 -rw-------. 1 ideepika ideepika 183G Jun 2 10:59 core-crimson-osd.3764613.vossi04.1591095558 -rw-------. 1 ideepika ideepika 183G Jun 2 10:59 core-crimson-osd.3764902.vossi04.1591095592 -rw-------. 1 ideepika ideepika 183G Jun 2 11:00 core-crimson-osd.3765191.vossi04.1591095624 -rw-------. 1 ideepika ideepika 183G Jun 2 11:01 core-crimson-osd.3765480.vossi04.1591095659 -rw-------. 1 ideepika ideepika 183G Jun 2 11:01 core-crimson-osd.3765780.vossi04.1591095696 -rw-------. 1 ideepika ideepika 183G Jun 2 11:02 core-crimson-osd.3766069.vossi04.1591095732 -rw-------. 1 ideepika ideepika 183G Jun 2 11:02 core-crimson-osd.3766358.vossi04.1591095771 -rw-------. 1 ideepika ideepika 183G Jun 2 11:03 core-crimson-osd.3766647.vossi04.1591095806 -rw-------. 1 ideepika ideepika 183G Jun 2 11:04 core-crimson-osd.3766936.vossi04.1591095841 -rw-------. 1 ideepika ideepika 183G Jun 2 11:04 core-crimson-osd.3767225.vossi04.1591095876 -rw-------. 1 ideepika ideepika 183G Jun 2 11:05 core-crimson-osd.3767517.vossi04.1591095910 -rw-------. 1 ideepika ideepika 183G Jun 2 11:05 core-crimson-osd.3767819.vossi04.1591095945 -rw-------. 1 ideepika ideepika 183G Jun 2 11:06 core-crimson-osd.3768108.vossi04.1591095981 -rw-------. 1 ideepika ideepika 183G Jun 2 11:07 core-crimson-osd.3768397.vossi04.1591096016 -rw-------. 1 ideepika ideepika 183G Jun 2 11:07 core-crimson-osd.3768686.vossi04.1591096053 -rw-------. 1 ideepika ideepika 183G Jun 2 11:08 core-crimson-osd.3768975.vossi04.1591096090 -rw-------. 1 ideepika ideepika 183G Jun 2 11:08 core-crimson-osd.3769264.vossi04.1591096126 -rw-------. 1 ideepika ideepika 183G Jun 2 11:09 core-crimson-osd.3769553.vossi04.1591096162 -rw-------. 1 ideepika ideepika 183G Jun 2 11:10 core-crimson-osd.3769842.vossi04.1591096199 -rw-------. 1 ideepika ideepika 183G Jun 2 11:10 core-crimson-osd.3770131.vossi04.1591096238 -rw-------. 1 ideepika ideepika 183G Jun 2 11:11 core-crimson-osd.3770420.vossi04.1591096275 -rw-------. 1 ideepika ideepika 183G Jun 2 11:11 core-crimson-osd.3770709.vossi04.1591096315 -rw-------. 1 ideepika ideepika 183G Jun 2 11:12 core-crimson-osd.3770998.vossi04.1591096356 -rw-------. 1 ideepika ideepika 183G Jun 2 11:13 core-crimson-osd.3771287.vossi04.1591096393 -rw-------. 1 ideepika ideepika 183G Jun 2 11:13 core-crimson-osd.3771576.vossi04.1591096431 -rw-------. 1 ideepika ideepika 183G Jun 2 11:14 core-crimson-osd.3771865.vossi04.1591096470 -rw-------. 1 ideepika ideepika 183G Jun 2 11:15 core-crimson-osd.3772154.vossi04.1591096508 -rw-------. 1 ideepika ideepika 183G Jun 2 11:15 core-crimson-osd.3772443.vossi04.1591096546 -rw-------. 1 ideepika ideepika 183G Jun 2 11:16 core-crimson-osd.3772732.vossi04.1591096585 -rw-------. 1 ideepika ideepika 183G Jun 2 11:17 core-crimson-osd.3773062.vossi04.1591096623 -rw-------. 1 ideepika ideepika 183G Jun 2 11:17 core-crimson-osd.3773351.vossi04.1591096662 -rw-------. 1 ideepika ideepika 183G Jun 2 11:18 core-crimson-osd.3773640.vossi04.1591096699 -rw-------. 1 ideepika ideepika 183G Jun 2 11:19 core-crimson-osd.3773931.vossi04.1591096738 -rw-------. 1 ideepika ideepika 183G Jun 2 11:19 core-crimson-osd.3774220.vossi04.1591096776 -rw-------. 1 ideepika ideepika 183G Jun 2 11:20 core-crimson-osd.3774509.vossi04.1591096815 -rw-------. 1 ideepika ideepika 183G Jun 2 11:20 core-crimson-osd.3774798.vossi04.1591096853 -rw-------. 1 ideepika ideepika 183G Jun 2 11:21 core-crimson-osd.3775087.vossi04.1591096890 -rw-------. 1 ideepika ideepika 183G Jun 2 11:22 core-crimson-osd.3775376.vossi04.1591096928 -rw-------. 1 ideepika ideepika 183G Jun 2 11:22 core-crimson-osd.3775665.vossi04.1591096966 -rw-------. 1 ideepika ideepika 183G Jun 2 11:23 core-crimson-osd.3775954.vossi04.1591097003 -rw-------. 1 ideepika ideepika 183G Jun 2 11:24 core-crimson-osd.3776243.vossi04.1591097042 -rw-------. 1 ideepika ideepika 183G Jun 2 11:24 core-crimson-osd.3776532.vossi04.1591097080 -rw-------. 1 ideepika ideepika 183G Jun 2 11:25 core-crimson-osd.3776822.vossi04.1591097118 -rw-------. 1 ideepika ideepika 183G Jun 2 11:26 core-crimson-osd.3777111.vossi04.1591097156 -rw-------. 1 ideepika ideepika 183G Jun 2 11:26 core-crimson-osd.3777400.vossi04.1591097195 -rw-------. 1 ideepika ideepika 183G Jun 2 11:27 core-crimson-osd.3777689.vossi04.1591097234 -rw-------. 1 ideepika ideepika 183G Jun 2 11:27 core-crimson-osd.3777978.vossi04.1591097273 -rw-------. 1 ideepika ideepika 183G Jun 2 11:28 core-crimson-osd.3778267.vossi04.1591097313 -rw-------. 1 ideepika ideepika 183G Jun 2 11:29 core-crimson-osd.3778556.vossi04.1591097352 -rw-------. 1 ideepika ideepika 183G Jun 2 11:29 core-crimson-osd.3778845.vossi04.1591097390 -rw-------. 1 ideepika ideepika 183G Jun 2 11:30 core-crimson-osd.3779134.vossi04.1591097429 -rw-------. 1 ideepika ideepika 183G Jun 2 11:31 core-crimson-osd.3779423.vossi04.1591097471 -rw-------. 1 ideepika ideepika 183G Jun 2 11:31 core-crimson-osd.3779712.vossi04.1591097512 -rw-------. 1 ideepika ideepika 183G Jun 2 11:32 core-crimson-osd.3780001.vossi04.1591097553 -rw-------. 1 ideepika ideepika 183G Jun 2 11:33 core-crimson-osd.3780290.vossi04.1591097597 -rw-------. 1 ideepika ideepika 183G Jun 2 11:34 core-crimson-osd.3780579.vossi04.1591097639 -rw-------. 1 ideepika ideepika 183G Jun 2 11:34 core-crimson-osd.3780868.vossi04.1591097680 -rw-------. 1 ideepika ideepika 183G Jun 2 11:35 core-crimson-osd.3781157.vossi04.1591097721 -rw-------. 1 ideepika ideepika 183G Jun 2 11:36 core-crimson-osd.3781446.vossi04.1591097764 -rw-------. 1 ideepika ideepika 183G Jun 2 11:36 core-crimson-osd.3781735.vossi04.1591097806 -rw-------. 1 ideepika ideepika 183G Jun 2 11:37 core-crimson-osd.3782024.vossi04.1591097848 -rw-------. 1 ideepika ideepika 183G Jun 2 11:38 core-crimson-osd.3782313.vossi04.1591097891 -rw-------. 1 ideepika ideepika 183G Jun 2 11:38 core-crimson-osd.3782602.vossi04.1591097934 -rw-------. 1 ideepika ideepika 183G Jun 2 11:39 core-crimson-osd.3782891.vossi04.1591097979 -rw-------. 1 ideepika ideepika 183G Jun 2 11:40 core-crimson-osd.3783180.vossi04.1591098024 -rw-------. 1 ideepika ideepika 183G Jun 2 11:41 core-crimson-osd.3783469.vossi04.1591098069 -rw-------. 1 ideepika ideepika 183G Jun 2 11:41 core-crimson-osd.3783759.vossi04.1591098114 -rw-------. 1 ideepika ideepika 183G Jun 2 11:42 core-crimson-osd.3784048.vossi04.1591098159 -rw-------. 1 ideepika ideepika 183G Jun 2 11:43 core-crimson-osd.3784337.vossi04.1591098204 -rw-------. 1 ideepika ideepika 183G Jun 2 11:44 core-crimson-osd.3784626.vossi04.1591098247 -rw-------. 1 ideepika ideepika 183G Jun 2 11:44 core-crimson-osd.3784915.vossi04.1591098292 -rw-------. 1 ideepika ideepika 183G Jun 2 11:45 core-crimson-osd.3785204.vossi04.1591098337 -rw-------. 1 ideepika ideepika 183G Jun 2 11:46 core-crimson-osd.3785493.vossi04.1591098383 -rw-------. 1 ideepika ideepika 183G Jun 2 11:47 core-crimson-osd.3785782.vossi04.1591098430 -rw-------. 1 ideepika ideepika 183G Jun 2 11:48 core-crimson-osd.3786071.vossi04.1591098476 -rw-------. 1 ideepika ideepika 183G Jun 2 11:48 core-crimson-osd.3786360.vossi04.1591098522 -rw-------. 1 ideepika ideepika 183G Jun 2 11:49 core-crimson-osd.3786649.vossi04.1591098569 -rw-------. 1 ideepika ideepika 183G Jun 2 11:50 core-crimson-osd.3786938.vossi04.1591098615 -rw-------. 1 ideepika ideepika 183G Jun 2 11:51 core-crimson-osd.3787227.vossi04.1591098662 -rw-------. 1 ideepika ideepika 183G Jun 2 11:51 core-crimson-osd.3787516.vossi04.1591098710 -rw-------. 1 ideepika ideepika 183G Jun 2 11:52 core-crimson-osd.3787805.vossi04.1591098756 -rw-------. 1 ideepika ideepika 183G Jun 2 11:53 core-crimson-osd.3788094.vossi04.1591098805 -rw-------. 1 ideepika ideepika 183G Jun 2 11:54 core-crimson-osd.3788383.vossi04.1591098853 -rw-------. 1 ideepika ideepika 183G Jun 2 11:54 core-crimson-osd.3788672.vossi04.1591098890 -rw-------. 1 ideepika ideepika 183G Jun 2 11:55 core-crimson-osd.3788961.vossi04.1591098940 -rw-------. 1 ideepika ideepika 183G Jun 2 11:56 core-crimson-osd.3789250.vossi04.1591098972 -rw-------. 1 ideepika ideepika 183G Jun 2 11:56 core-crimson-osd.3789539.vossi04.1591099008 -rw-------. 1 ideepika ideepika 183G Jun 2 11:57 core-crimson-osd.3789828.vossi04.1591099046 -rw-------. 1 ideepika ideepika 183G Jun 2 11:58 core-crimson-osd.3790118.vossi04.1591099086 -rw-------. 1 ideepika ideepika 183G Jun 2 11:58 core-crimson-osd.3790407.vossi04.1591099127 -rw-------. 1 ideepika ideepika 183G Jun 2 11:59 core-crimson-osd.3790696.vossi04.1591099171 -rw-------. 1 ideepika ideepika 183G Jun 2 12:00 core-crimson-osd.3790986.vossi04.1591099224 -rw-------. 1 ideepika ideepika 183G Jun 2 12:01 core-crimson-osd.3791286.vossi04.1591099271 -rw-------. 1 ideepika ideepika 183G Jun 2 12:01 core-crimson-osd.3791575.vossi04.1591099308 -rw-------. 1 ideepika ideepika 183G Jun 2 12:02 core-crimson-osd.3792014.vossi04.1591099350 -rw-------. 1 ideepika ideepika 183G Jun 2 12:03 core-crimson-osd.3792337.vossi04.1591099388 -rw-------. 1 ideepika ideepika 183G Jun 2 14:22 core-crimson-osd.3828759.vossi04.1591107769 -rw-------. 1 ideepika ideepika 183G Jun 2 14:29 core-crimson-osd.3829707.vossi04.1591108182 -rw-------. 1 ideepika ideepika 183G Jun 2 14:30 core-crimson-osd.3829986.vossi04.1591108217 -rw-------. 1 ideepika ideepika 183G Jun 2 14:31 core-crimson-osd.3830284.vossi04.1591108285 -rw-------. 1 ideepika ideepika 183G Jun 2 15:31 core-crimson-osd.3840859.vossi04.1591111867 -rw-------. 1 ideepika ideepika 403M Jun 2 12:46 core-fn_monstore.3800331.vossi04.1591102002 -rw-------. 1 ideepika ideepika 1018M Jun 1 09:16 core-safe_timer.1061191.vossi04.1591002969 -rw-------. 1 ideepika ideepika 392M May 31 21:39 core-safe_timer.1063801.vossi04.1590961158 -rw-------. 1 ideepika ideepika 1014M Jun 1 09:16 core-safe_timer.1064949.vossi04.1591002981 -rw-------. 1 ideepika ideepika 606M Jun 1 09:16 core-safe_timer.1102384.vossi04.1591002969 -rw-------. 1 ideepika ideepika 389M Jun 1 11:23 core-safe_timer.1177078.vossi04.1591010593 -rw-------. 1 ideepika ideepika 390M Jun 1 11:23 core-safe_timer.1178009.vossi04.1591010595 -rw-------. 1 ideepika ideepika 386M Jun 1 11:23 core-safe_timer.1178667.vossi04.1591010597 -rw-------. 1 ideepika ideepika 383M Jun 1 11:23 core-safe_timer.1179328.vossi04.1591010595 -rw-------. 1 ideepika ideepika 383M Jun 1 11:23 core-safe_timer.1180914.vossi04.1591010597 -rw-------. 1 ideepika ideepika 378M Jun 1 11:23 core-safe_timer.1181573.vossi04.1591010596 -rw-------. 1 ideepika ideepika 403M Jun 1 12:06 core-safe_timer.1182445.vossi04.1591013184 -rw-------. 1 ideepika ideepika 389M Jun 1 12:06 core-safe_timer.1183424.vossi04.1591013185 -rw-------. 1 ideepika ideepika 400M Jun 2 14:43 core-safe_timer.3825309.vossi04.1591108992 -rw-------. 1 ideepika ideepika 402M Jun 2 14:48 core-safe_timer.3828201.vossi04.1591109311 -rw-------. 1 ideepika ideepika 457M Jun 2 15:26 core-safe_timer.3829149.vossi04.159111156 </pre> 3. build with release mode, seems like cannot analyse core dump without debug symbols, will update if find a workaround.