Public bug reported: On Ubuntu 18.04
linux-image-5.0.0-32-generic 5.0.0-32.34~18.04.2 According to https://www.mail-archive.com/ceph- us...@ceph.io/msg00940.html the same happens on Disco with this kernel version. Processes that read data from CephFS get stuck, the system becomes unstable. dmesg contains messages like this: [ 1510.703090] cache_from_obj: Wrong slab cache. inode_cache but object is from ceph_inode_info [ 1510.711590] cache_from_obj: Wrong slab cache. inode_cache but object is from ceph_inode_info [ 1510.720093] cache_from_obj: Wrong slab cache. inode_cache but object is from ceph_inode_info [ 1510.728592] cache_from_obj: Wrong slab cache. inode_cache but object is from ceph_inode_info [ 1510.737086] cache_from_obj: Wrong slab cache. inode_cache but object is from ceph_inode_info [ 1510.745587] cache_from_obj: Wrong slab cache. inode_cache but object is from ceph_inode_info [ 1510.754080] cache_from_obj: Wrong slab cache. inode_cache but object is from ceph_inode_info According to the discussion here: https://github.com/coreos/bugs/issues/2616 this is caused by a faulty patch. If that information is correct the problematic patch should be https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/disco/commit/?id=100a8eb40c492f2525cdae434c50d53ec7f5cc23 ** Affects: linux-signed (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1850860 Title: 5.0.0-32.34 causes system instability with cephfs To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-signed/+bug/1850860/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
