We had this again last night. It hit the 14.04 machine again. This bug seems to prefer this special VM...
librbd/ExclusiveLock.cc: In function 'std::__cxx11::string librbd::ExclusiveLock<ImageCtxT>::encode_lock_cookie() const [with ImageCtxT = librbd::ImageCtx; std::__cxx11::string = std::__cxx11::basic_string<char>]' thread 7efe88abfc00 time 2016-08-03 22:40:44.069765 librbd/ExclusiveLock.cc: 217: FAILED assert(m_watch_handle != 0) ceph version 10.2.2 (45107e21c568dd033c2f0a3107dec8f0b0e58374) 1: (()+0x28d5d0) [0x7efe703335d0] 2: (()+0x8c785) [0x7efe70132785] 3: (()+0x8deab) [0x7efe70133eab] 4: (()+0x8d6c7) [0x7efe701336c7] 5: (()+0x74167) [0x7efe7011a167] 6: (()+0x7456d) [0x7efe7011a56d] 7: (rbd_aio_write()+0x4c) [0x7efe701067fc] 8: (()+0x2359) [0x7efe7999c359] 9: (()+0x241b) [0x7efe7999c41b] 10: (()+0x495ada) [0x564d75434ada] 11: (()+0x49809d) [0x564d7543709d] 12: (()+0x498a87) [0x564d75437a87] 13: (()+0x4633b6) [0x564d754023b6] 14: (()+0x49809d) [0x564d7543709d] 15: (()+0x498a87) [0x564d75437a87] 16: (()+0x499730) [0x564d75438730] 17: (()+0x4dd5ca) [0x564d7547c5ca] 18: (()+0x4a590) [0x7efe83724590] NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this. Might this correlate with creating snapshots or reading from them? Because 4 seconds prior to this error, we took a snapshot of this block device and created a rbd diff --whole-diff between the old snapshot and the new snapshot... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1607694 Title: Exclusive-Lock Issue To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ceph/+bug/1607694/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs