virtualbox - Ubuntu 16.04 Desktop hangs randomly - Ask Ubuntu


i have 16.04 (64 bit) running in virtualbox vm (using vbox 5.1.8 now, happened previous versions of vbox too). application i'm running when ubuntu hangs firefox. use ubuntu 14.04 (64 bit) on same host machine without issue, i'd use 16.04 if @ possible (if can stable enough). never run 2 vms @ same time.

making wild guess in dark think it's graphics related - laptop run vms on has 'intel(r) hd 4000 graphics'.

both 14.04 , 16.04 vms have 2gb of ram (on 8gb host) , (oddly) i've given them both 3 cores (on quad core 64bit host: i7-3630qm). have given them both 4 cores , still been within 'green' limit indicated virtualbox. i've installed vbox guest additions.

i know it's not lot go on, if suggest investigate appreciated.


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