linux-kernel - Re: [PATCH] KVM: Add wrapper script around QEMU to test kernels

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Message-ID: <CAOJsxLH5Vgk7tyr=RAEc=S2JhZ7n2JxOiUL9L91P_Bey+AuFUA@mail.gmail.com>
Date:	Sun, 6 Nov 2011 18:30:47 +0200
From:	Pekka Enberg <penberg@...nel.org>
To:	Jan Kiszka <jan.kiszka@....de>
Cc:	Avi Kivity <avi@...hat.com>,
	"kvm@...r.kernel.org list" <kvm@...r.kernel.org>,
	"linux-kernel@...r.kernel.org List" <linux-kernel@...r.kernel.org>,
	qemu-devel Developers <qemu-devel@...gnu.org>,
	Alexander Graf <agraf@...e.de>,
	Blue Swirl <blauwirbel@...il.com>,
	Américo Wang <xiyou.wangcong@...il.com>,
	Ingo Molnar <mingo@...e.hu>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH] KVM: Add wrapper script around QEMU to test kernels

Hi Jan,

On Sun, Nov 6, 2011 at 6:19 PM, Jan Kiszka <jan.kiszka@....de> wrote:
> "Usable" - I've tried kvm-tool several times and still (today) fail to
> get a standard SUSE image (with a kernel I have to compile and provide
> separately...) up and running *). Likely a user mistake, but none that
> is very obvious. At least to me.
>
> In contrast, you can throw arbitrary Linux distros in various forms at
> QEMU, and it will catch and run them. For me, already this is more usable.
>
> *) kvm run -m 1000 -d OpenSuse11-4_64.img arch/x86/boot/bzImage \
>        -p root=/dev/vda2
> ...
> [    1.772791] mousedev: PS/2 mouse device common for all mice
> [    1.774603] cpuidle: using governor ladder
> [    1.775490] cpuidle: using governor menu
> [    1.776865] input: AT Raw Set 2 keyboard as
> /devices/platform/i8042/serio0/input/input0
> [    1.778609] TCP cubic registered
> [    1.779456] Installing 9P2000 support
> [    1.782390] Registering the dns_resolver key type
> [    1.794323] registered taskstats version 1
>
> ...and here the boot just stops, guest apparently waits for something

Can you please share your kernel .config with me and I'll take a look
at it. We now have a "make kvmconfig" makefile target for enabling all
the necessary config options for guest kernels. I don't think any of
us developers are using SUSE so it can surely be a KVM tool bug as
well.

                                Pekka
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