Hello, After upgrade our ceph cluster to octopus few days ago we are seeing vms crashes with below error. We are using ceph with openstack(rocky). Everything running ubuntu 18.04 with kernel 5.3. We seeing this crashes in busy vms. this is cluster was upgraded from nautilus. kernel: [430751.176904] fn-radosclient[3905]: segfault at da0801 ip 00007fe78e076686 sp 00007fe7697f9470 erro r 4 in librbd.so.1.12.0[7fe78de73000+5cb000] Apr 6 03:26:00 compute6 kernel: [430751.176922] Code: 00 64 48 8b 04 25 28 00 00 00 48 89 44 24 18 31 c0 48 85 db 0f 84 fa 00 00 00 8 0 bf 38 01 00 00 00 48 89 fd 0f 84 ea 00 00 00 <83> bb 20 3f 00 00 ff 0f 84 dd 00 00 00 48 8b 83 18 3f 00 00 48 8d Apr 6 03:26:11 compute6 libvirtd[1671]: 2020-04-06 03:26:11.955+0000: 1671: error : qemuMonitorIO:719 : internal error: End of file f rom qemu monitor _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx