Hello, Anyone have any thoughts on this?
Thanks. --ken On Thu, 2009-07-23 at 15:51 -0500, Ken Lauffenburger wrote: > Host machine: MacBook Pro running MACOS 10.5.7 > Guest: Gentoo Linux x86_64 2.6.27-gentoo-r8 (64-bit) > > The MacBook Pro has a Core 2 Duo processor (two processor cores). > Before I recently upgraded to version 3.0.2 from version 2.2.4 I was > only able to run a single core because Virtualbox didn't support SMP > operation on Linux guests. Now I am able to run both cores and I am > seeing close to twice the performance. > > However, occasionally the VM will lock up and the only way I have been > able to recover is to reboot the VM. Whenever the lock up happens the > VirtualBox process on the host processor jumps up to upwards of 190% > (both cores fully loaded). What I mean by "lock up" is that the > guest's X window interface freezes completely, except for the mouse. > So far I haven't determined if guest kernel is actually locked up or > just the X server. The incidence of the lock up condition is about > two to five times a day. > > As a test, for the last two days I have been running with VirtualBox > set to a single processor core. There have been no lock ups. Prior > to this I briefly tried turning off the PAE/NX option with both cores > enabled, but I experienced a lock up with that setting also. > > I have the high-resolution timer configured to OFF in my guest kernel > and I have the event timer set to 250ms, as recommended somewhere in > the documentation. > > > Any ideas what migh be the cause of this? Can anyone suggest any > other things I can try to resolve or work around the problem? > > Thanks. > > --ken > > Ken Lauffenburger > > Design Engineer > 730 E Park Blvd, Ste 208 > Plano TX 75074-8850 > > +1 214 796 4134 mobile > [email protected] > Ken Lauffenburger Design Engineer 730 E Park Blvd, Ste 208 Plano TX 75074-8850 +1 214 796 4134 mobile [email protected]
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