The ZFS ioctl() interface is not binary compatible between the older userspace and newer kernel drivers. Fortunately this is fixable with an ioctl() remapping, which seems to fix the issue for me. I'll get an update in by EOD.
** Changed in: zfs-linux (Ubuntu) Importance: Medium => High -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https://bugs.launchpad.net/bugs/1751796 Title: zed process consuming 100% cpu Status in zfs-linux package in Ubuntu: In Progress Bug description: I logged in this morning and found system kind of sluggish. A 'top' showed 'zed' process spinning 100% of a cpu. I didn't feel like worrying about it, so I simply rebooted. System came back up into the same state. Running 'strace -p 2002' shows repeated: ioctl(5, _IOC(0, 0x5a, 0x81, 0), 0x7ffccbb054b0) = -1 EBADF (Bad file descriptor) ioctl(5, _IOC(0, 0x5a, 0x81, 0), 0x7ffccbb054b0) = -1 EBADF (Bad file descriptor) ioctl(5, _IOC(0, 0x5a, 0x81, 0), 0x7ffccbb054b0) = -1 EBADF (Bad file descriptor) ioctl(5, _IOC(0, 0x5a, 0x81, 0), 0x7ffccbb054b0) = -1 EBADF (Bad file descriptor) ioctl(5, _IOC(0, 0x5a, 0x81, 0), 0x7ffccbb054b0) = -1 EBADF (Bad file descriptor) ioctl(5, _IOC(0, 0x5a, 0x81, 0), 0x7ffccbb054b0) = -1 EBADF (Bad file descriptor) ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: zfs-zed 0.7.5-1ubuntu2 ProcVersionSignature: Ubuntu 4.13.0-32.35-generic 4.13.13 Uname: Linux 4.13.0-32-generic x86_64 NonfreeKernelModules: zfs zunicode zavl zcommon znvpair ApportVersion: 2.20.8-0ubuntu10 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Mon Feb 26 09:34:59 2018 EcryptfsInUse: Yes InstallationDate: Installed on 2015-07-23 (949 days ago) InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Alpha amd64 (20150722.1) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: zfs-linux UpgradeStatus: No upgrade log present (probably fresh install) modified.conffile..etc.zfs.zed.d.zed-functions.sh: [deleted] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1751796/+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
