User-Agent:       Mozilla/5.0 (X11; Linux x86_64; rv:48.0) Gecko/20100101
Firefox/48.0
Build Identifier: 


sometimes so completely random, the desktop locks (freezing) and I spegnerein
brutally pc. I think there is a problem on the nvidia driver, because the ATi
card, everything works fine!
I use (when dislpay freez) koversation, telegra, and qt-creator (for sailfisch
in virtualbox!)
hvinfo-->
26: PCI 100.0: 0300 VGA compatible controller (VGA)
  [Created at pci.366]
  Unique ID: VCu0.P2ckgc7wUV9
  Parent ID: vSkL.xltNQFyR_DB
  SysFS ID: /devices/pci0000:00/0000:00:01.0/0000:01:00.0
  SysFS BusID: 0000:01:00.0
  Hardware Class: graphics card
  Model: "nVidia GK208 [GeForce GT 720]"
  Vendor: pci 0x10de "nVidia Corporation"
  Device: pci 0x1288 "GK208 [GeForce GT 720]"
  SubVendor: pci 0x1043 "ASUSTeK Computer Inc."
  SubDevice: pci 0x8670 
  Revision: 0xa1
  Driver: "nouveau"
  Driver Modules: "drm"
  Memory Range: 0xf6000000-0xf6ffffff (rw,non-prefetchable)
  Memory Range: 0xe8000000-0xefffffff (ro,non-prefetchable)
  Memory Range: 0xf0000000-0xf1ffffff (ro,non-prefetchable)
  I/O Ports: 0xe000-0xefff (rw)
  Memory Range: 0xf7000000-0xf707ffff (ro,non-prefetchable,disabled)
  IRQ: 25 (19763 events)
  I/O Ports: 0x3c0-0x3df (rw)
  Module Alias: "pci:v000010DEd00001288sv00001043sd00008670bc03sc00i00"
  Driver Info #0:
    Driver Status: nouveau is active
    Driver Activation Cmd: "modprobe nouveau"
  Config Status: cfg=new, avail=yes, need=no, active=unknown
  Attached to: #14 (PCI bridge)


if you need other files or logs, I remain available


Reproducible: Sometimes