Public bug reported: I do NOT know if it is the right package but it seems for me like an problem with the mouse hardware.
Before it was old PS/2 keyboard and mouse from Logitech. Since some weeks i have an new keyboard and mouse (Logitech K120) on the Mainboard USB 2.0 Ports and got now the second killed machine within weeks! Coming home an machine is fresh restarted, awaiting for the login credentials. Looking into dmesg (attached), it is full of: [25258.038198] usb 3-2: USB disconnect, device number 98 [25259.591840] usb 3-2: new low-speed USB device number 99 using ohci-pci [25259.762406] usb 3-2: New USB device found, idVendor=046d, idProduct=c05a [25259.762410] usb 3-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [25259.762412] usb 3-2: Product: USB Optical Mouse [25259.762414] usb 3-2: Manufacturer: Logitech . Xubuntu 12.04.4 ** Affects: xserver-xorg-input-mouse (Ubuntu) Importance: Undecided Status: New ** Tags: precise ** Attachment added: "dmesg.txt" https://bugs.launchpad.net/bugs/1284823/+attachment/3996773/+files/dmesg -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-input-mouse in Ubuntu. https://bugs.launchpad.net/bugs/1284823 Title: Logitech USB Optical Mouse kills complete PC? To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-input-mouse/+bug/1284823/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp