Network Setting on VM guest: "Bridged Adapter"Īfter fresh installation, network on guest CentOS always shows icon with red "x" on the top-right. If you get the message then, you know it is VB/Doze issue.I was fighting with this issue for a long time but failed to find a general solution to it. Once that is done, then restart or shutdown Doze. My only suggestion is to pause BOINC, then quit it telling it to quit science. Nor is any O/S and don't forget VB has to call Doze to do the request so Doze will wake up some cores too. While the LHC science app only uses one or however many it declares, every time that science app makes a system call to the O/S, VB in this case, VB uses as many cores as it wants to service that request. PS, none of this BS happens on Linux or Mac, just Doze.Īs to VB using as many cores as it wants, it does. Or perhaps the reverse and Doze asks VB to quit but it still has active science which it can't kill until it informs BOINC who Doze may have killed by then. Or Doze kills BOINC before it has a chance to ask VB to quit. I'm not sure why, but VB is a privileged process and BOINC is not and it may be the signal is blocked by Doze security. No matter, when BOINC asks VB to shut, which is does when Doze tells BOINC to die from your shutdown, VB is not killing itself. Every O/S, and VB is a guest O/S on Doze, always has some stay awake tasks.Īs to the active connections issue, while that is IP related I think that is the 127.0.0.1 loopback that is active for inter-process signals and not traffic to outside. LHC Atlas uses up to 8, depending on my settings, but this is displayed in Boinc, Boinc knows how many cores are allocated to that task. The CPU usage went to zero almost immediately.Īlso you will find vitrualbox uses all your cores. When I pause Boinc, the CPU stops completely, I just paused a 24 core machine in Boinc, 6 of the cores running LHC Theory tasks under Vbox. You will also find if you pause BOINC that virtualbox does not pause. Virtualbox wasn't designed to have BOINC control it in such a fashion.
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