On Thu, Jul 7, 2016 at 2:01 AM, Goncalo Borges <goncalo.borges@xxxxxxxxxxxxx> wrote: > Unfortunately, the other user application breaks ceph-fuse again (It is a > completely different application then in my previous test). > > We have tested it in 4 machines with 4 cores. The user is submitting 16 > single core jobs which are all writing different output files (one per job) > to a common dir in cephfs. The first 4 jobs run happily and never break > ceph-fuse. But the remaining 12 jobs, running in the remaining 3 machines, > trigger a segmentation fault, which is completely different from the other > case. > > ceph version 10.2.2 (45107e21c568dd033c2f0a3107dec8f0b0e58374) > 1: (()+0x297fe2) [0x7f54402b7fe2] > 2: (()+0xf7e0) [0x7f543ecf77e0] > 3: (ObjectCacher::bh_write_scattered(std::list<ObjectCacher::BufferHead*, > std::allocator<ObjectCacher::BufferHead*> >&)+0x36) [0x7f5440268086] > 4: (ObjectCacher::bh_write_adjacencies(ObjectCacher::BufferHead*, > std::chrono::time_point<ceph::time_detail::real_clock, > std::chrono::duration<unsigned long, std::ratio<1l, 1000000000l> > >, long*, > int*)+0x22c) [0x7f5440268a3c] > 5: (ObjectCacher::flush(long)+0x1ef) [0x7f5440268cef] > 6: (ObjectCacher::flusher_entry()+0xac4) [0x7f5440269a34] > 7: (ObjectCacher::FlusherThread::entry()+0xd) [0x7f5440275c6d] > 8: (()+0x7aa1) [0x7f543ecefaa1] > 9: (clone()+0x6d) [0x7f543df6893d] > NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to > interpret this. This one looks like a very different problem. I've created an issue here: http://tracker.ceph.com/issues/16610 Thanks for the report and debug log! -- Patrick Donnelly _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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