On Thu, May 24, 2018 at 12:00 AM, Sean Sullivan <lookcrabs@xxxxxxxxx> wrote: > Thanks Yan! I did this for the bug ticket and missed these replies. I hope I > did it correctly. Here are the pastes of the dumps: > > https://pastebin.com/kw4bZVZT -- primary > https://pastebin.com/sYZQx0ER -- secondary > > > they are not that long here is the output of one: > > Thread 17 "mds_rank_progr" received signal SIGSEGV, Segmentation fault. > [Switching to Thread 0x7fe3b100a700 (LWP 120481)] > 0x00005617aacc48c2 in Server::handle_client_getattr > (this=this@entry=0x5617b5acbcd0, mdr=..., is_lookup=is_lookup@entry=true) at > /build/ceph-12.2.5/src/mds/Server.cc:3065 > 3065 /build/ceph-12.2.5/src/mds/Server.cc: No such file or directory. > (gdb) t > [Current thread is 17 (Thread 0x7fe3b100a700 (LWP 120481))] > (gdb) bt > #0 0x00005617aacc48c2 in Server::handle_client_getattr > (this=this@entry=0x5617b5acbcd0, mdr=..., is_lookup=is_lookup@entry=true) at > /build/ceph-12.2.5/src/mds/Server.cc:3065 > #1 0x00005617aacfc98b in Server::dispatch_client_request > (this=this@entry=0x5617b5acbcd0, mdr=...) at > /build/ceph-12.2.5/src/mds/Server.cc:1802 > #2 0x00005617aacfce9b in Server::handle_client_request > (this=this@entry=0x5617b5acbcd0, req=req@entry=0x5617bdfa8700)at > /build/ceph-12.2.5/src/mds/Server.cc:1716 > #3 0x00005617aad017b6 in Server::dispatch (this=0x5617b5acbcd0, > m=m@entry=0x5617bdfa8700) at /build/ceph-12.2.5/src/mds/Server.cc:258 > #4 0x00005617aac6afac in MDSRank::handle_deferrable_message > (this=this@entry=0x5617b5d22000, m=m@entry=0x5617bdfa8700)at > /build/ceph-12.2.5/src/mds/MDSRank.cc:716 > #5 0x00005617aac795cb in MDSRank::_dispatch > (this=this@entry=0x5617b5d22000, m=0x5617bdfa8700, > new_msg=new_msg@entry=false) at /build/ceph-12.2.5/src/mds/MDSRank.cc:551 > #6 0x00005617aac7a472 in MDSRank::retry_dispatch (this=0x5617b5d22000, > m=<optimized out>) at /build/ceph-12.2.5/src/mds/MDSRank.cc:998 > #7 0x00005617aaf0207b in Context::complete (r=0, this=0x5617bd568080) at > /build/ceph-12.2.5/src/include/Context.h:70 > #8 MDSInternalContextBase::complete (this=0x5617bd568080, r=0) at > /build/ceph-12.2.5/src/mds/MDSContext.cc:30 > #9 0x00005617aac78bf7 in MDSRank::_advance_queues (this=0x5617b5d22000) at > /build/ceph-12.2.5/src/mds/MDSRank.cc:776 > #10 0x00005617aac7921a in MDSRank::ProgressThread::entry > (this=0x5617b5d22d40) at /build/ceph-12.2.5/src/mds/MDSRank.cc:502 > #11 0x00007fe3bb3066ba in start_thread (arg=0x7fe3b100a700) at > pthread_create.c:333 > #12 0x00007fe3ba37241d in clone () at > ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 > > > > I > * set the debug level to mds=20 mon=1, > * attached gdb prior to trying to mount aufs from a separate client, > * typed continue, attempted the mount, > * then backtraced after it seg faulted. > > I hope this is more helpful. Is there something else I should try to get > more info? I was hoping for something closer to a python trace where it says > a variable is a different type or a missing delimiter. womp. I am definitely > out of my depth but now is a great time to learn! Can anyone shed some more > light as to what may be wrong? > I updated https://tracker.ceph.com/issues/23972. It's a kernel bug, which sends malformed request to mds. Regards Yan, Zheng _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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