apport information ** Tags added: apport-collected xenial
** Description changed: Install Ubuntu16.04 in RAID1 created by Intel RSTe no matter legacy mode or UEFI mode. System hangs while rebooting Not found the issue in RAID0 No issue on Ubuntu14.04 Driver-OS inbox support Below as error messages =================================================== INFO: task systemd-shutdow:1 blocked for more than 120 seconds. Not tainted 4.4.0-21-generic #37-Ubuntu "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. INFO: task jbd2/md126p2-8:1732 blocked for more than 120 seconds. Not tainted 4.4.0-21-generic #37-Ubuntu "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. INFO: task ext4lazyinit:1873 blocked for more than 120 seconds. Not tainted 4.4.0-21-generic #37-Ubuntu "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. INFO: task kworker/u66:4:3139 blocked for more than 120 seconds. Not tainted 4.4.0-21-generic #37-Ubuntu "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. =================================================== Then I edit /etc/sysctl.conf with follow commands and the system don't hang while rebooting vm.dirty_background_ratio=5 vm.dirty_ratio=10 kernel.panic=3 kernel.hung_task_panic=1 kernel.hung_task_timeout_secs=30 But I don't know if it's an appropriate fix or not. Thanks + --- + ApportVersion: 2.20.1-0ubuntu2 + Architecture: amd64 + DistroRelease: Ubuntu 16.04 + InstallationDate: Installed on 2016-12-15 (0 days ago) + InstallationMedia: Ubuntu-Server 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.3) + Package: linux (not installed) + ProcEnviron: + LANGUAGE=en + TERM=xterm-256color + PATH=(custom, no user) + LANG=en_US.UTF-8 + SHELL=/bin/bash + Tags: xenial + Uname: Linux 4.9.0-040900rc8-generic x86_64 + UnreportableReason: The running kernel is not an Ubuntu kernel + UpgradeStatus: No upgrade log present (probably fresh install) + UserGroups: + + _MarkForUpload: True ** Attachment added: "JournalErrors.txt" https://bugs.launchpad.net/bugs/1648388/+attachment/4792290/+files/JournalErrors.txt ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- 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/1648388 Title: Install Ubuntu16.04 in RAID1 created by Intel RSTe and the system hangs while rebooting Status in linux package in Ubuntu: Confirmed Bug description: Install Ubuntu16.04 in RAID1 created by Intel RSTe no matter legacy mode or UEFI mode. System hangs while rebooting Not found the issue in RAID0 No issue on Ubuntu14.04 Driver-OS inbox support Below as error messages =================================================== INFO: task systemd-shutdow:1 blocked for more than 120 seconds. Not tainted 4.4.0-21-generic #37-Ubuntu "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. INFO: task jbd2/md126p2-8:1732 blocked for more than 120 seconds. Not tainted 4.4.0-21-generic #37-Ubuntu "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. INFO: task ext4lazyinit:1873 blocked for more than 120 seconds. Not tainted 4.4.0-21-generic #37-Ubuntu "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. INFO: task kworker/u66:4:3139 blocked for more than 120 seconds. Not tainted 4.4.0-21-generic #37-Ubuntu "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. =================================================== Then I edit /etc/sysctl.conf with follow commands and the system don't hang while rebooting vm.dirty_background_ratio=5 vm.dirty_ratio=10 kernel.panic=3 kernel.hung_task_panic=1 kernel.hung_task_timeout_secs=30 But I don't know if it's an appropriate fix or not. Thanks --- ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 DistroRelease: Ubuntu 16.04 InstallationDate: Installed on 2016-12-15 (0 days ago) InstallationMedia: Ubuntu-Server 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.3) Package: linux (not installed) ProcEnviron: LANGUAGE=en TERM=xterm-256color PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash Tags: xenial Uname: Linux 4.9.0-040900rc8-generic x86_64 UnreportableReason: The running kernel is not an Ubuntu kernel UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: _MarkForUpload: True To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1648388/+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