Re: [Qemu-devel] [Bug 855633] Re: guest boots up too slowly

[Zhi Yong Wu <zwu.kernel@gmail.com>]

This is not one bug, you didn't enable kvm accelerator when you start up VM.

On Wed, Sep 21, 2011 at 11:45 PM, Yongjie Ren <855633@bugs.launchpad.net> wrote:
> sorry, the right command to reproduce is 'qemu-system-x86_64 -m 1024
> -smp 2 -hda /root/rhel6.img'. I missed the '-hda' in the bug
> description.
>
> --
> You received this bug notification because you are a member of qemu-
> devel-ml, which is subscribed to QEMU.
> https://bugs.launchpad.net/bugs/855633
>
> Title:
>  guest boots up too slowly
>
> Status in QEMU:
>  New
>
> Bug description:
>  qemu.git commit: 6cc7686696f73ae87cadef4450776a488b0e0c8b
>  kvm.git commit: 7f914d61cd2156e34a7852462bb4932621f33a34
>
>  It will costs about 180 seconds to booting up a rhel6 guest. But when
>  I use qemu-kvm.git with commit a040d28b, the rhel6 guest can boot up
>  in about 50 seconds.  I did the comparative test in the same box and
>  using the same command line to create a guest  BTW, I tested qemu-
>  kvm.git not qemu.git before kernel.org was down.
>
>  Reproduce steps:
>  ----------------
>  1. to create a guest: qemu-system-x86_64  -m 1024 -smp 2 /root/rhel6.img
>  (It maybe cost about 180 seconds to boot up.)
>
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>



-- 
Regards,

Zhi Yong Wu