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Hi, We are using Ceph Jewel 10.2.5 stable release. We see deadlock with image watcher and VM becomes dead, at this point I can't ping the VM. Here are last few lines from qemu-rbd log. Has anyone seen this and is there a fix for it?
2017-02-26 11:05:54.647071 7faa927fc700 11 objectcacher flusher 34174976 / 33554432: 0 tx, 0 rx, 34174976 clean, 0 dirty (16777216 target, 25165824 max)
2017-02-26 11:05:54.678375 7faa77fff700 11 objectcacher flusher 31911424 / 33554432: 0 tx, 0 rx, 31911424 clean, 0 dirty (16777216 target, 0 max)
2017-02-26 11:46:19.697590 7faaa898c700 20 librbd: flush 0x560f8cbbc450
2017-02-26 11:46:19.697604 7faaa898c700 10 librbd::ImageState: 0x560f8cbbb980 send_refresh_unlock
2017-02-26 11:46:19.697608 7faaa898c700 10 librbd::image::RefreshRequest: 0x7faaa4001030 send_v2_get_mutable_metadata
2017-02-26 11:46:19.700752 7faa93fff700 10 librbd::image::RefreshRequest: 0x7faaa4001030 handle_v2_get_mutable_metadata: r=0
2017-02-26 11:46:19.700775 7faa93fff700 10 librbd::image::RefreshRequest: 0x7faaa4001030 send_v2_get_flags
2017-02-26 11:46:19.702128 7faa93fff700 10 librbd::image::RefreshRequest: 0x7faaa4001030 handle_v2_get_flags: r=0
2017-02-26 11:46:19.702146 7faa93fff700 10 librbd::image::RefreshRequest: 0x7faaa4001030 send_v2_get_snapshots
2017-02-26 11:46:19.704675 7faa93fff700 10 librbd::image::RefreshRequest: 0x7faaa4001030 handle_v2_get_snapshots: r=0
2017-02-26 11:46:19.704704 7faa93fff700 20 librbd::ExclusiveLock: 0x7faa78014e10 is_lock_owner=0
2017-02-26 11:46:19.704709 7faa93fff700 10 librbd::image::RefreshRequest: 0x7faaa4001030 send_v2_apply
2017-02-26 11:46:19.704747 7faa937fe700 10 librbd::image::RefreshRequest: 0x7faaa4001030 handle_v2_apply
2017-02-26 11:46:19.704763 7faa937fe700 20 librbd::image::RefreshRequest: 0x7faaa4001030 apply
2017-02-26 11:46:19.704771 7faa937fe700 20 librbd::image::RefreshRequest: new snapshot id=2536 name=61 size=50029658112
2017-02-26 11:46:19.704801 7faa937fe700 10 librbd::image::RefreshRequest: 0x7faaa4001030 send_flush_aio
2017-02-26 11:46:19.704817 7faa937fe700 10 librbd::image::RefreshRequest: 0x7faaa4001030 handle_flush_aio: r=0
2017-02-26 11:46:19.704830 7faa937fe700 10 librbd::ImageState: 0x560f8cbbb980 handle_refresh: r=0
2017-02-26 11:48:01.389504 7faaa898c700 20 librbd: flush 0x560f8cbbc450
Rajesh |
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