I tested with the updated kernel and unfortunately, it does not resolve the issue. Since these are recently uncovered issues upstream, could you cherry pick those against the Zesty kernel? Once we know it's resolved in the latest kernel we can track down what changes needed for Xenial.
-- 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/1682456 Title: md devices may leave remnants in /sys/class/block after removal Status in linux package in Ubuntu: Confirmed Bug description: 1. root@x1:~# cat /proc/version_signature Ubuntu 4.4.0-72.93-generic 4.4.49 2. attached 3. # lsb_release -rd Description: Ubuntu 16.04.2 LTS Release: 16.04 4. # apt-cache policy linux-image-`uname -r` linux-image-4.4.0-72-generic: Installed: 4.4.0-72.93 Candidate: 4.4.0-72.93 Version table: *** 4.4.0-72.93 500 500 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages 500 http://security.ubuntu.com/ubuntu xenial-security/main amd64 Packages 100 /var/lib/dpkg/status 5. After stopping an md device, the sysfs and /dev entry should be removed: mdadm --stop /dev/md0 && [ "`test -e /sys/class/block/md0`" = "1" ]; echo $rc should return 0; 6. /dev/md0 is gone, but /sys/class/block/md0 remains I believe this is related to this thread here: https://www.spinics.net/lists/raid/msg54859.html ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-72-generic 4.4.0-72.93 ProcVersionSignature: Ubuntu 4.4.0-72.93-generic 4.4.49 Uname: Linux 4.4.0-72-generic x86_64 AlsaDevices: total 0 crw-rw---- 1 root audio 116, 1 Apr 12 21:55 seq crw-rw---- 1 root audio 116, 33 Apr 12 21:55 timer AplayDevices: Error: [Errno 2] No such file or directory: 'aplay' ApportVersion: 2.20.1-0ubuntu2.5 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord' AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: CRDA: N/A Date: Thu Apr 13 14:32:17 2017 IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig' Lsusb: Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub MachineType: QEMU Standard PC (i440FX + PIIX, 1996) PciMultimedia: ProcEnviron: TERM=xterm PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-72-generic root=UUID=4c974bc3-8fe8-41b5-a563-23b2dcf974c9 ro console=tty1 console=ttyS0 RelatedPackageVersions: linux-restricted-modules-4.4.0-72-generic N/A linux-backports-modules-4.4.0-72-generic N/A linux-firmware N/A RfKill: Error: [Errno 2] No such file or directory: 'rfkill' SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 04/01/2014 dmi.bios.vendor: SeaBIOS dmi.bios.version: Ubuntu-1.8.2-1ubuntu2 dmi.chassis.type: 1 dmi.chassis.vendor: QEMU dmi.chassis.version: pc-i440fx-yakkety dmi.modalias: dmi:bvnSeaBIOS:bvrUbuntu-1.8.2-1ubuntu2:bd04/01/2014:svnQEMU:pnStandardPC(i440FX+PIIX,1996):pvrpc-i440fx-yakkety:cvnQEMU:ct1:cvrpc-i440fx-yakkety: dmi.product.name: Standard PC (i440FX + PIIX, 1996) dmi.product.version: pc-i440fx-yakkety dmi.sys.vendor: QEMU To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1682456/+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
