{"action":"created","issue":{"url":"https://api.github.com/repos/scylladb/scylla/issues/532","labels_url":"https://api.github.com/repos/scylladb/scylla/issues/532/labels{/name}","comments_url":"https://api.github.com/repos/scylladb/scylla/issues/532/comments","events_url":"https://api.github.com/repos/scylladb/scylla/issues/532/events","html_url":"https://github.com/scylladb/scylla/issues/532","id":115283224,"number":532,"title":"unhandled exception of type 'std::out_of_range': Buffer underflow","user":{"login":"locked","id":263513,"avatar_url":"https://avatars.githubusercontent.com/u/263513?v=3","gravatar_id":"","url":"https://api.github.com/users/locked","html_url":"https://github.com/locked","followers_url":"https://api.github.com/users/locked/followers","following_url":"https://api.github.com/users/locked/following{/other_user}","gists_url":"https://api.github.com/users/locked/gists{/gist_id}","starred_url":"https://api.github.com/users/locked/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/locked/subscriptions","organizations_url":"https://api.github.com/users/locked/orgs","repos_url":"https://api.github.com/users/locked/repos","events_url":"https://api.github.com/users/locked/events{/privacy}","received_events_url":"https://api.github.com/users/locked/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":5,"created_at":"2015-11-05T13:26:07Z","updated_at":"2015-11-05T21:40:09Z","closed_at":null,"body":"I am getting this error on startup with commit 958abc17a0897e5bfd20c4125cd747e2688d0255 (Wed Nov 4 20:42:35):\r\n~~~\r\nWARNING: exceptional future ignored of type 'std::out_of_range': Buffer underflow\r\nExiting on unhandled exception of type 'std::out_of_range': Buffer underflow\r\n~~~\r\n\r\nNot sure I am doing the right thing (because of the warnings), but I'm getting that with gdb:\r\n~~~\r\n(gdb) catch throw std::out_of_range\r\nCatchpoint 1 (throw)\r\n(gdb) run\r\nThe program being debugged has been started already.\r\nStart it from the beginning? (y or n) y\r\nStarting program: /usr/bin/scylla \r\n[Thread debugging using libthread_db enabled]\r\nUsing host libthread_db library \"/lib/x86_64-linux-gnu/libthread_db.so.1\".\r\nTraceback (most recent call last):\r\n  File \"/usr/share/gdb/auto-load/usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.19-gdb.py\", line 63, in <module>\r\n    from libstdcxx.v6.printers import register_libstdcxx_printers\r\nImportError: No module named 'libstdcxx'\r\nEAL: Detected lcore 0 as core 0 on socket 0\r\nEAL: Detected lcore 1 as core 0 on socket 0\r\nEAL: Support maximum 128 logical core(s) by configuration.\r\nEAL: Detected 2 lcore(s)\r\nEAL: VFIO modules not all loaded, skip VFIO support...\r\nEAL: Setting up physically contiguous memory...\r\n[New Thread 0x7ffff0414700 (LWP 8756)]\r\nEAL: TSC frequency is ~2599966 KHz\r\nEAL: WARNING: cpu flags constant_tsc=no nonstop_tsc=no -> using unreliable clock cycles !\r\nEAL: Master lcore 0 is ready (tid=f7fe63c0;cpuset=[0])\r\n[New Thread 0x7fffefc13700 (LWP 8757)]\r\nEAL: lcore 1 is ready (tid=efc13700;cpuset=[1])\r\n[New Thread 0x7fffef1ff700 (LWP 8758)]\r\n[New Thread 0x7fffeebff700 (LWP 8759)]\r\nScylla version development-20151105.958abc1 starting ...\r\n\r\nProgram received signal SIG35, Real-time event 35.\r\n[Switching to Thread 0x7fffefc13700 (LWP 8757)]\r\n0x00000000004b27db in reactor::flush_pending_aio (this=0x601000119000) at core/reactor.cc:495\r\n495     core/reactor.cc: No such file or directory.\r\n~~~"},"comment":{"url":"https://api.github.com/repos/scylladb/scylla/issues/comments/154201656","html_url":"https://github.com/scylladb/scylla/issues/532#issuecomment-154201656","issue_url":"https://api.github.com/repos/scylladb/scylla/issues/532","id":154201656,"user":{"login":"locked","id":263513,"avatar_url":"https://avatars.githubusercontent.com/u/263513?v=3","gravatar_id":"","url":"https://api.github.com/users/locked","html_url":"https://github.com/locked","followers_url":"https://api.github.com/users/locked/followers","following_url":"https://api.github.com/users/locked/following{/other_user}","gists_url":"https://api.github.com/users/locked/gists{/gist_id}","starred_url":"https://api.github.com/users/locked/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/locked/subscriptions","organizations_url":"https://api.github.com/users/locked/orgs","repos_url":"https://api.github.com/users/locked/repos","events_url":"https://api.github.com/users/locked/events{/privacy}","received_events_url":"https://api.github.com/users/locked/received_events","type":"User","site_admin":false},"created_at":"2015-11-05T21:40:09Z","updated_at":"2015-11-05T21:40:09Z","body":"I manage to start scylla by removing all files in commitlog/, I reproduced the same behavior in 3 other nodes, so it is definitely related to that."}}