On Fri, 2012-06-08 at 10:10 -0700, Chegu Vinod wrote: > On 6/8/2012 9:46 AM, Alex Williamson wrote: > > On Fri, 2012-06-08 at 16:29 +0000, Chegu Vinod wrote: > >> Hello, > >> > >> I picked up a recent version of the qemu (1.0.92 with some fixes) and tried it > >> on x86_64 server (with host and the guest running 3.4.1 kernel). > > BTW, I observe the same thing if i were to use 1.1.50 version of the > qemu... not sure if this is really > related to qemu... > > >> > >> While trying to boot a large guest (80 vcpus + 512GB) I observed that the guest > >> took for ever to boot up... ~1 hr or even more. [This wasn't the case when I > >> was using RHEL 6.x related bits] > > Was either case using device assignment? Device assignment will map and > > pin each page of guest memory before startup, which can be a noticeable > > pause on smallish (<16GB) guests. That should be linear scaling though > > and if you're using qemu and not qemu-kvm, not related. Thanks, > > I don't have any device assignment at this point . Yes I am using qemu > (not qemu-kvm)... Just to be safe, are you using --enable-kvm with qemu? > The issue seems very basic... 'was earlier running RHEL6.3 RC1 on the > host and the guest and the host and the guest seemed to boot fine.. Note that RHEL is based on qemu-kvm. Thanks, Alex -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html