Public bug reported: After clients have upgraded to 4.4.0-103.126 they can no longer connect to the Ceph network.
Using the Grub menu to boot the previous kernel fixes the issue. The error in dmesg is: [ 46.811897] FS-Cache: Loaded [ 46.843670] Key type ceph registered [ 46.844177] libceph: loaded (mon/osd proto 15/24) [ 46.863107] FS-Cache: Netfs 'ceph' registered for caching [ 46.863116] ceph: loaded (mds proto 32) [ 46.884392] libceph: client3354099 fsid 2efbeab1-4903-4c4c-8365-6778afecbcbd [ 46.886856] libceph: mon0 10.10.2.111:6789 session established [ 46.897487] ceph: problem parsing mds trace -5 [ 46.897491] ceph: mds parse_reply err -5 [ 46.897492] ceph: mdsc_handle_reply got corrupt reply mds0(tid:1) All clients are running ceph client version: ii ceph-fs-common 10.2.9-0ubuntu0.16.04.1 Server nodes are running 10.2.6 packages as supplied by Ceph. All 10.2.* versions are compatible. Using the previous kernel allows the connection to work. ** Affects: linux (Ubuntu) Importance: Undecided Status: Incomplete ** Tags: ceph cephfs -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1737033 Title: upgrading linux-image package to 4.4.0-103.126 breaks Ceph network file system connection Status in linux package in Ubuntu: Incomplete Bug description: After clients have upgraded to 4.4.0-103.126 they can no longer connect to the Ceph network. Using the Grub menu to boot the previous kernel fixes the issue. The error in dmesg is: [ 46.811897] FS-Cache: Loaded [ 46.843670] Key type ceph registered [ 46.844177] libceph: loaded (mon/osd proto 15/24) [ 46.863107] FS-Cache: Netfs 'ceph' registered for caching [ 46.863116] ceph: loaded (mds proto 32) [ 46.884392] libceph: client3354099 fsid 2efbeab1-4903-4c4c-8365-6778afecbcbd [ 46.886856] libceph: mon0 10.10.2.111:6789 session established [ 46.897487] ceph: problem parsing mds trace -5 [ 46.897491] ceph: mds parse_reply err -5 [ 46.897492] ceph: mdsc_handle_reply got corrupt reply mds0(tid:1) All clients are running ceph client version: ii ceph-fs-common 10.2.9-0ubuntu0.16.04.1 Server nodes are running 10.2.6 packages as supplied by Ceph. All 10.2.* versions are compatible. Using the previous kernel allows the connection to work. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1737033/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp