I've managed to collect two PCAPNG files, one captured using virtualized Windows 7 and the second directly under Ubuntu 16.04LTS fully upgraded up to date.
In both sessions, after initialization I pressed "a" key, then special key "G6". The "a" key makes four packets to be recorded. The "G6" special key generates six packets under Windows and only four packets under Linux (the first two packets that can be seen in the Windows dump never occur in Linux). After hitting "G6", the Windows session is fully responsive. But in the Linux session, the device stops responding until: a) is unplugged, then replugged. b) the USB is connected to the Windows Virtual Machine (VirtualBox), which resets the device and makes it responsive again. In the Windows dump, the last 10 packets correspond to the "a" keypress (4 packets) then "G6" keypress (6 packets). In the Linux dump, the last 8 packets correspond to the "a" keypress (4 packets), then "G6" keypress (only 4 packets). ** Attachment added: "PCAPNG dumps of keypress "a" then "G6" (Windows and Linux)" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1511511/+attachment/4721381/+files/pcapng_dumps.zip -- 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/1511511 Title: USB keyboard stops working after pressing extended key Status in linux package in Ubuntu: Confirmed Bug description: USB keyboard Cougar K500 gaming keyboard has some additional extended keys, all of them making the keyboard stop responding if pressed under linux. The device is recovered only by unplugging the USB and plugging it again. The keyboard has been tested under Ubuntu 14.04.3 LTS, Ubuntu 15.04 and Ubuntu 15.10 (the latter running as virtualbox guest). All tests failed with exactly the same behaviour. USB ID is: "060b:500a Solid Year". ProblemType: Bug DistroRelease: Ubuntu 15.10 Package: linux-image-4.2.0-16-generic 4.2.0-16.19 [modified: boot/vmlinuz-4.2.0-16-generic] ProcVersionSignature: Ubuntu 4.2.0-16.19-generic 4.2.3 Uname: Linux 4.2.0-16-generic x86_64 ApportVersion: 2.19.1-0ubuntu3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: pinfli 1055 F.... pulseaudio Date: Thu Oct 29 19:33:23 2015 HibernationDevice: RESUME=UUID=f68f4b91-ea68-4e4b-9a10-8ed5bca2efbe InstallationDate: Installed on 2015-10-24 (5 days ago) InstallationMedia: Ubuntu-GNOME 15.10 "Wily Werewolf" - Release amd64 (20151021) IwConfig: enp0s3 no wireless extensions. lo no wireless extensions. Lsusb: Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 002: ID 060b:500a Solid Year Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub MachineType: innotek GmbH VirtualBox ProcFB: ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-16-generic root=UUID=523dfd8b-b825-47e3-a116-cb85f901386c ro quiet splash PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-4.2.0-16-generic N/A linux-backports-modules-4.2.0-16-generic N/A linux-firmware 1.149 RfKill: SourcePackage: linux UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev' UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 12/01/2006 dmi.bios.vendor: innotek GmbH dmi.bios.version: VirtualBox dmi.board.name: VirtualBox dmi.board.vendor: Oracle Corporation dmi.board.version: 1.2 dmi.chassis.type: 1 dmi.chassis.vendor: Oracle Corporation dmi.modalias: dmi:bvninnotekGmbH:bvrVirtualBox:bd12/01/2006:svninnotekGmbH:pnVirtualBox:pvr1.2:rvnOracleCorporation:rnVirtualBox:rvr1.2:cvnOracleCorporation:ct1:cvr: dmi.product.name: VirtualBox dmi.product.version: 1.2 dmi.sys.vendor: innotek GmbH To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1511511/+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
