{"action":"created","issue":{"url":"https://api.github.com/repos/realm/realm-java/issues/1795","labels_url":"https://api.github.com/repos/realm/realm-java/issues/1795/labels{/name}","comments_url":"https://api.github.com/repos/realm/realm-java/issues/1795/comments","events_url":"https://api.github.com/repos/realm/realm-java/issues/1795/events","html_url":"https://github.com/realm/realm-java/issues/1795","id":117573747,"number":1795,"title":"Crash with signal 11 (SIGSEGV)","user":{"login":"hohnamkung","id":1873136,"avatar_url":"https://avatars.githubusercontent.com/u/1873136?v=3","gravatar_id":"","url":"https://api.github.com/users/hohnamkung","html_url":"https://github.com/hohnamkung","followers_url":"https://api.github.com/users/hohnamkung/followers","following_url":"https://api.github.com/users/hohnamkung/following{/other_user}","gists_url":"https://api.github.com/users/hohnamkung/gists{/gist_id}","starred_url":"https://api.github.com/users/hohnamkung/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/hohnamkung/subscriptions","organizations_url":"https://api.github.com/users/hohnamkung/orgs","repos_url":"https://api.github.com/users/hohnamkung/repos","events_url":"https://api.github.com/users/hohnamkung/events{/privacy}","received_events_url":"https://api.github.com/users/hohnamkung/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/realm/realm-java/labels/Help","name":"Help","color":"cc317c"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":11,"created_at":"2015-11-18T12:11:39Z","updated_at":"2015-12-21T10:48:02Z","closed_at":null,"body":"Hi Realm team!\r\n\r\nWe're using Realm 0.84.1, it works very well for us.\r\nBut we've got some complaints from user about app crash on realm.\r\n\r\nBelow exception is most frequently occurred one (collected from GooglePlayDeveloper Console)\r\nThe 99.8% of this exception came from Android 4.4 device and one forth came from LG G3.\r\n(FYI. We do not encrypt the Realm.) \r\n\r\n    *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***\r\n    Build fingerprint: 'samsung/ks01lteskt/ks01lteskt:4.4.2/KOT49H/E330SKSUCNJ1:user/release-keys'\r\n    Revision: '13'\r\n    pid: 14636, tid: 14756, name: db_thead  >>> kr.co.vcnc.android.couple <<<\r\n    signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr fffffffc\r\n        r0 7b7395e0  r1 ffffffff  r2 7b7395e0  r3 00000000\r\n        r4 7b7395e0  r5 7caf9708  r6 73a03f80  r7 ffffffff\r\n        r8 7b739148  r9 00020590  sl 7c91cad8  fp 798fe960\r\n        ip 00000001  sp 7c91be98  lr 7ca6f31d  pc 7ca72c6e  cpsr 60070030\r\n        d0  0000000000000000  d1  0000000000000000\r\n        d2  0000000000000000  d3  0000000000000000\r\n        d4  0037003a00220066  d5  007d0030002e0034\r\n        d6  006500770022002c  d7  0065006800740061\r\n        d8  0000000000000000  d9  0000000000000000\r\n        d10 0000000000000000  d11 0000000000000000\r\n        d12 0000000000000000  d13 0000000000000000\r\n        d14 0000000000000000  d15 0000000000000000\r\n        d16 6d9dc0b86d9dc080  d17 6d9dc1286d9dc0f0\r\n        d18 6d9dc1986d9dc160  d19 6d9dc2086d9dc1d0\r\n        d20 6d9dc2786d9dc240  d21 6de4c5806d9dc2b0\r\n        d22 6de4c3486de4c5b8  d23 6de4c3b86de4c380\r\n        d24 4008000000000000  d25 3ff0000000000000\r\n        d26 3c4baf4e740749c8  d27 3fa7b80000000000\r\n        d28 bf5224a5191957e0  d29 3f6293aba995d593\r\n        d30 be63c064abe8bbf2  d31 3f11562ac78a4541\r\n        scr 60000012\r\n    \r\n    backtrace:\r\n        #00  pc 00057c6e  /data/app-lib/kr.co.vcnc.android.couple-2/librealm-jni.so\r\n        #01  pc 00054319  /data/app-lib/kr.co.vcnc.android.couple-2/librealm-jni.so\r\n    \r\n    code around pc:\r\n        7ca72c4c 46022300 f0324630 e7eefef5 6089f504  \r\n        7ca72c5c f7f74629 4620fc4f f7ff2100 f8d4fc8f  \r\n        7ca72c6c f8533448 e8bd0027 e92d87f0 b0954ff0  \r\n        7ca72c7c 46064691 451ee9dd f7ff468b 4649ffbf  \r\n        7ca72c8c 4622462b f9baf01e f8d36af3 f1b88008  \r\n        7ca72c9c d03a0f00 0a04f108 af0a4631 f7f34650  \r\n        7ca72cac f8d6f9d9 e9cde000 ae04450c e028f8cd  \r\n        7ca72cbc f8cdcf0f c60fb028 0003e897 0003e886  \r\n        7ca72ccc 4506e9cd f8cdad02 ac0c9008 c40fcd0f  \r\n        7ca72cdc 000fe895 000fe884 46502129 fba9f007  \r\n        7ca72cec 1c43a914 3d4cf841 7003230f 9102980a  \r\n        7ca72cfc fda7f7f3 9902980c fda3f7f3 a902a80e  \r\n        7ca72d0c fda8f7f3 f8c89b01 b0153008 8ff0e8bd  \r\n        7ca72d1c 43f7e92d 460f4604 46162101 f7ef4698  \r\n        7ca72d2c 4639fafb f7ff4620 f8d8ff69 46312000  \r\n        7ca72d3c f7e617d3 6ae3f967 b1f5689d 0904f105  \r\n    \r\n    code around lr:\r\n        7ca6f2fc f7f341f0 e92db811 461741f3 4680461c  \r\n        7ca6f30c fc7cf003 ac014621 46384606 fc76f003  \r\n        7ca6f31c 46054639 f0194620 4621fdbf 0010f106  \r\n        7ca6f32c fa1df024 f0224620 4620fff4 61754641  \r\n        7ca6f33c fdb2f019 f1054621 f0240014 4620fa10  \r\n        7ca6f34c ffe7f022 b00261ae 81f0e8bd 4615b5f0  \r\n        7ca6f35c e000f8d0 6846460f cd0fb087 c40f466c  \r\n        7ca6f36c e8954632 466b0003 0003e884 46394670  \r\n        7ca6f37c f976f7fd bdf0b007 41f0e92d 8b02ed2d  \r\n        7ca6f38c 8b40eeb0 4604b084 2101460f f7f24616  \r\n        7ca6f39c 4639ffc3 f0034620 4631fc31 0b48eeb0  \r\n        7ca6f3ac fd12f029 689d6ae3 f105b315 46210804  \r\n        7ca6f3bc 4640ac04 fe4ef7f6 4640211f f839f00b  \r\n        7ca6f3cc f8441c43 23083d0c 70034621 f7f74638  \r\n        7ca6f3dc 4630fa38 f7f74621 ab04fa34 ed239a01  \r\n        7ca6f3ec cb038b02 f8423208 f8420c08 60aa1c04\r\n\r\n"},"comment":{"url":"https://api.github.com/repos/realm/realm-java/issues/comments/166268795","html_url":"https://github.com/realm/realm-java/issues/1795#issuecomment-166268795","issue_url":"https://api.github.com/repos/realm/realm-java/issues/1795","id":166268795,"user":{"login":"beeender","id":449296,"avatar_url":"https://avatars.githubusercontent.com/u/449296?v=3","gravatar_id":"","url":"https://api.github.com/users/beeender","html_url":"https://github.com/beeender","followers_url":"https://api.github.com/users/beeender/followers","following_url":"https://api.github.com/users/beeender/following{/other_user}","gists_url":"https://api.github.com/users/beeender/gists{/gist_id}","starred_url":"https://api.github.com/users/beeender/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/beeender/subscriptions","organizations_url":"https://api.github.com/users/beeender/orgs","repos_url":"https://api.github.com/users/beeender/repos","events_url":"https://api.github.com/users/beeender/events{/privacy}","received_events_url":"https://api.github.com/users/beeender/received_events","type":"User","site_admin":false},"created_at":"2015-12-21T10:48:02Z","updated_at":"2015-12-21T10:48:02Z","body":"@hohnamkung \r\n\r\nI just checked the log, some more questions:\r\n\r\n1. Do you use encryption?\r\n2. Do you have multi process to access the same Realm file?\r\n3. I saw it always crashes on `db_thread`, what does this thread do?\r\n"}}