[Libguestfs] libguestfs-test-tool say "child process died" on ubuntu 11.10 x64

[lzy.dev at gmail.com]

On Fri, Dec 30, 2011 at 5:53 PM, Richard W.M. Jones <rjones at redhat.com> wrote:
> On Fri, Dec 30, 2011 at 09:57:36AM +0800, lzy.dev at gmail.com wrote:
>> library version: 1.15.11
> [...]
>> [17614ms] /usr/bin/kvm \
>>     -drive file=/tmp/libguestfs-test-tool-sda-6OA3hT,cache=off,format=raw,if=virtio
>> \
>>     -nodefconfig \
>>     -machine accel=kvm:tcg \
>>     -nodefaults \
>>     -nographic \
>>     -m 500 \
>>     -no-reboot \
>>     -no-hpet \
>>     -device virtio-serial \
>>     -serial stdio \
>>     -chardev socket,path=/tmp/libguestfsJF88Lr/guestfsd.sock,id=channel0 \
>>     -device virtserialport,chardev=channel0,name=org.libguestfs.channel.0 \
>>     -kernel /var/tmp/.guestfs-0/kernel.17521 \
>>     -initrd /var/tmp/.guestfs-0/initrd.17521 \
>>     -append 'panic=1 console=ttyS0 udevtimeout=300 no_timer_check
>> acpi=off printk.time=1 cgroup_disable=memory selinux=0
>> guestfs_verbose=1 TERM=xterm ' \
>>     -drive file=/var/tmp/.guestfs-0/root.17521,snapshot=on,if=virtio,cache=unsafeSupported
>> machines are:
>> pc         Standard PC (alias of pc-0.14)
>> pc-0.14    Standard PC (default)
>> pc-0.13    Standard PC
>> pc-0.12    Standard PC
>> pc-0.11    Standard PC, qemu 0.11
>> pc-0.10    Standard PC, qemu 0.10
>> isapc      ISA-only PC
>
> This is a bug in qemu 0.15, fixed in qemu 1.0 (although 1.0 introduced
> another bug which prevents libguestfs from working out of the box
> there too).
>
> If you recompile libguestfs from source then it will detect this qemu
> problem at ./configure time and add some code to work around it.
> However the binaries on the website weren't compiled this way.
>
> In Fedora we patch around many qemu bugs, so it's worth keeping an eye
> on our qemu packages:
>
>  http://pkgs.fedoraproject.org/gitweb/?p=qemu.git
>
> Here is the patch you need to qemu 0.15 which fixes the above bug:
>
>  http://pkgs.fedoraproject.org/gitweb/?p=qemu.git;a=blob;f=qemu-Allow-to-leave-type-on-default-in-machine.patch;h=e4a8e6ddc6ce825517836c8d595c06584c3126f0;hb=refs/heads/f16
>
> Rich.
>
> --
> Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
> virt-top is 'top' for virtual machines.  Tiny program with many
> powerful monitoring features, net stats, disk stats, logging, etc.
> http://et.redhat.com/~rjones/virt-top

Thanks Rich and Gao. I have solved this issue by update qemu-kvm from
0.15 to 1.0 version.

Zhi Yan, Liu