Kernel bug due to a bad backport, see recent posts here. Paul -- Paul Emmerich Looking for help with your Ceph cluster? Contact us at https://croit.io croit GmbH Freseniusstr. 31h 81247 München www.croit.io Tel: +49 89 1896585 90 On Wed, Oct 30, 2019 at 10:42 AM Bob Farrell <bob@xxxxxxxxxxxxxx> wrote: > > Hi. We are experiencing a CephFS client issue on one of our servers. > > ceph version 14.2.0 (3a54b2b6d167d4a2a19e003a705696d4fe619afc) nautilus (stable) > > Trying to access, `umount`, or `umount -f` a mounted CephFS volumes causes my shell to hang indefinitely. > > After a reboot I can remount the volumes cleanly but they drop out after < 1 hour of use. > > I see this log entry multiple times when I reboot the server: > ``` > cache_from_obj: Wrong slab cache. inode_cache but object is from ceph_inode_info > ``` > The machine then reboots after approx. 30 minutes. > > All other Ceph/CephFS clients and servers seem perfectly happy. CephFS cluster is HEALTH_OK. > > Any help appreciated. If I can provide any further details please let me know. > > Thanks in advance, > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com