** Description changed: [ Impact ] - * Users experience brick SEGFAULTs under certain not-yet-understood + * Users experience brick SEGFAULTs under certain not-yet-understood scenarios. Some reports include a high percentage of small file I/O. I encountered the issue roughly every hour with Minio backed by GlusterFS on ZFS. - * This bug introduces an increased risk of data loss or corruption + * This bug introduces an increased risk of data loss or corruption depending on the user's configuration and timing of brick crashes. - * Core dumps from multiple users revealed that the SEGFAULTs are caused + * Core dumps from multiple users revealed that the SEGFAULTs are caused by a stack overflow when namespaced inodes are destroyed. - * The patch removes the recursive call to `inode_unref` when a - namespaced inode is destroyed. + * The patch removes the recursive call to inode_unref when a namespaced + inode is destroyed. [ Test Plan ] - * The triggers for the issue are not well understood. I have compiled + * The triggers for the issue are not well understood. I have compiled the patch into version 11.1-4build3 of glusterfs and it resolved the issue on my system. [ Where problems could occur ] - * It's conceivable that this patch introduces undesired behavior when + * It's conceivable that this patch introduces undesired behavior when inodes are destroyed, however I highly doubt this scenario as __inode_destroy (private function) did not call inode_unref (public function) before the change which introduced the bug. [ Other Info ] - - * PR which introduced the bug: https://github.com/gluster/glusterfs/pull/1763 - * PR which added this patch: https://github.com/gluster/glusterfs/pull/4302 - * Issue discussion: https://github.com/gluster/glusterfs/issues/4295 + + * PR which introduced the bug: https://github.com/gluster/glusterfs/pull/1763 + * PR which added this patch: https://github.com/gluster/glusterfs/pull/4302 + * Issue discussion: https://github.com/gluster/glusterfs/issues/4295
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2064843 Title: Gluster 11.1 brick SEGFAULT To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/glusterfs/+bug/2064843/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
