After I upgraded kernel to 4.4.0-36, I can not reproduce the bug https://bugs.launchpad.net/somerville/+bug/1598147.
** Tags removed: verification-needed-xenial ** Tags added: verification-done-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/1608762 Title: OptiPlex 7450 AIO hangs when rebooting Status in HWE Next: New Status in linux package in Ubuntu: Fix Released Status in linux source package in Xenial: Fix Committed Bug description: Dell Optiplex 7450 AIO works with BOOT_ACPI; however, the quirk for "OptiPlex 745" changes its boot method to BOOT_BIOS and causes 7450 AIO hangs when rebooting. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1608762/+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