Possible to update the BIOS to its latest version (A25)? Changelog for A18 says: - Improved USB access stability.
So it may help. -- 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/1821597 Title: USB suspend / resume with docking station and laptop lid closed Status in linux package in Ubuntu: Incomplete Bug description: The components: - Dell Precision M4800 laptop - Dell docking station, with USB keyboard attached Ubuntu 16.04 installed Test case A) Booting in Docking Station with laptop lid closed: =============================================================== Boot will proceed through unlocking disk encryption. When graphical user interface starts, screen will go black and start spewing `unable to enumerate USB device on port` messages Test case B) In docking station, close lid and resume: ===================================================== (Boot sequence done with laptop lid open) If laptop lid is closed before resuming from suspend, screen will soon go black and start spewing `unable to enumerate USB device on port` messages Test case C) Suspend without docking station (this one works): ============================================================== 1. Boot to laptop without docking station attached 2. Suspend 3. Attach to docking station with lid closed 4. Resume C) is currently the only case where everything works properly. --- ApportVersion: 2.20.1-0ubuntu2.18 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: eja 4634 F.... pulseaudio /dev/snd/controlC0: eja 4634 F.... pulseaudio CurrentDesktop: Unity DistroRelease: Ubuntu 16.04 InstallationDate: Installed on 2014-09-24 (1644 days ago) InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2) MachineType: Dell Inc. Precision M4800 NonfreeKernelModules: nvidia_uvm nvidia Package: linux (not installed) ProcFB: ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-143-generic root=/dev/mapper/vgcrypt-lvcryptoroot ro cryptopts=target=cryptvol,source=/dev/disk/by-uuid/31fbd5c5-dcfb-4904-aec8-1c69025870a0,lvm=vgcrypt quiet splash ProcVersionSignature: Ubuntu 4.4.0-143.169-generic 4.4.170 RelatedPackageVersions: linux-restricted-modules-4.4.0-143-generic N/A linux-backports-modules-4.4.0-143-generic N/A linux-firmware 1.157.21 Tags: xenial Uname: Linux 4.4.0-143-generic x86_64 UpgradeStatus: Upgraded to xenial on 2017-02-08 (775 days ago) UserGroups: adm cdrom dialout dip libvirtd lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 05/02/2014 dmi.bios.vendor: Dell Inc. dmi.bios.version: A08 dmi.board.name: 0FVDR2 dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA08:bd05/02/2014:svnDellInc.:pnPrecisionM4800:pvr01:rvnDellInc.:rn0FVDR2:rvrA00:cvnDellInc.:ct9:cvr: dmi.product.name: Precision M4800 dmi.product.version: 01 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1821597/+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
