Dell xps 15 9550 laptop, sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date 01.02.00 04/07/2016
I already tried http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.7-rc6-yakkety/ and it is worse then current kernel I am using http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.6.3-yakkety/ 4.6.3 WD15 works if it is plugged while boot, and it can be unplugged but not replugged 4.7.3 WD15 worked if it is plugged while boot, but when unplugged extended monitor was reported still connected ** Tags added: kernel-bug-exists-upstream kernel-bug-exists-upstream-4.6.3 kernel-bug-exists-upstream-4.7-rc6 ** 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/1599476 Title: Thunderbolt hotplug causes system hang Status in linux package in Ubuntu: Confirmed Bug description: Description: Ubuntu 16.04 LTS Release: 16.04 Hot-plugging Dell's WD15 Thunderbolt cause a system panic with regular kernel 4.4.0-28. Using http://kernel.ubuntu.com/~kernel- ppa/mainline/v4.6.3-yakkety/ kernel. WD15 works if it is connected to laptop during boot time. Hot-plugg causes system hang What you expected to happen: Hot-plugg WD15 thunderbolt (http://www.dell.com/support/article/us/en/04/SLN301105) all features should work (USB, sound-card, port replication...) What happened instead: Display port on WD15 works, USB replication don't work sound-card don't work and eventually system hangs. --- ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 DistroRelease: Ubuntu 16.04 InstallationDate: Installed on 2016-05-04 (63 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) NonfreeKernelModules: nvidia_drm nvidia_modeset nvidia Package: linux (not installed) Tags: xenial Uname: Linux 4.6.3-040603-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/1599476/+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