On Thursday 20 May 2010 12:19:17 JD wrote: > On 05/20/2010 06:59 AM, [email protected] wrote: > >> On 05/19/2010 11:29 AM, Mario Lobo wrote: > >>> On Tuesday 18 May 2010 23:24:06 Mario Lobo wrote: > >>>> Hi; > >>>> > >>>> First let me thank all the developers for their efforts with VBox. > >>>> > >>>> I've installed the recently announced 3.2.0 stable release but I see > >>>> that, > >>>> after installing its companion guest additions on a Win XP SP3 guest, > >>>> VBoxService.exe hits 99% of CPU usage all the time!. I doesn't even go > >>>> down > >>>> to 97 or 98. It stays fixed at 99% on the performance monitor. > >>>> After about > >>>> 15 minutes of the VM on (without doing anything on it), VBox aborts > >>>> the > >>>> machine. > >>>> > >>>> The host also suffers with this. With the earlier GA (BETA1) and an > >>>> idle > >>>> VM, Host CPU hovers around 8% (11% peaks). With the new GA and idle > >>>> VM, it > >>>> sticks to 37% (40% peaks) CPU usage. > >>>> > >>>> The same thing happened with VBoxGuestAdditions_3.2.0_BETA2/3 but NOT > >>>> with > >>>> VBoxGuestAdditions_3.2.0_BETA1 or any earlier GA!, with BETA1, VBox > >>>> works > >>>> perfectly, so I reverted back to it until this issue is cleared. > >>>> > >>>> System: FBSD 8-STABLE (updated weekly) amd64 > >>>> > >>>> Any suggestions? > >>>> > >>>> Thanks, > >>> > >>> Did anyone else on the list experience that? > >> > >> I just ran winxp 32 bit guest on FC12 host > >> using VB-3.2 release. > >> CPU load of both VB threads did not exceed 25% > >> (i.e. 50% total) > >> On my uniproc Athlon64 3200+, this is the norm, > >> for VB, and nothing new. > > > > Well, I must say that either the VB load on FreeBSD hosts is A LOT > > lighter (xp vm running and total host load=10%) or you do have a problem > > if you're hitting 50% load with only 1 VM running, although I have > > something going for me, which is a Phenom II 955 quad. > > > > But what I was referring to on my post was the load of VBoxService.exe > > INSIDE the xp guest. > > > > Mario > > Well, I think things on FC12 are different perhaps. I dont know. > I am NOT running two VM's What I meant by BOTH threads is that > there is the VBox GUI thread which seems to be different from > the emulation thread. I am running only ONE VM. > Buth the two threads together consume 50% of CPU. The way the > Fedora scheduler appears to work, is that if you have other > threads that are also cpu hogs (as in my case, Firefox playing > some Youtube vids, I was seeing > VB1 25% > VB2 25% > FFox 35% > > Now after I killed Firefox, I checked again > and lo and behold, the CPU load of the two VBox > threads jumped to a total of 90-96% > which DOES make sense if you realize that when > no other thread wants to run, then the threads > that DO want to run (i.e. they are on the runq), > then they will be on the CPU. > This remained the case even after I reniced the > the two VBox threads to have lower priority than > the rest of the threads running in the system > (All had priority 20 and nice 0). > So I reniced the VB threads to +2, and that lowered > their priority to 22, but they still consumed 90-95% > of CPU, which means that most of the time no other > thread wanted to run (i.e no other thread was on the runq). > > Hope this helps a little. > > Cheers, > > JD > > > --------------------------------------------------------------------------- > --- > > _______________________________________________ > VBox-users-community mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/vbox-users-community >
What version of Guest Additions did you install on your xp guest ? -- Mario Lobo http://www.mallavoodoo.com.br FreeBSD since version 2.2.8 [not Pro-Audio.... YET!!] (99,7% winfoes FREE) ------------------------------------------------------------------------------ _______________________________________________ VBox-users-community mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/vbox-users-community
