Re: [PATCH v2] qemu: Fix shutdown regression with buggy qemu

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On Wed, Sep 21, 2011 at 08:19:25 -0600, Eric Blake wrote:
> On 09/21/2011 08:06 AM, Jiri Denemark wrote:
> > The commit that prevents disk corruption on domain shutdown
> > (96fc4784177ecb70357518fa863442455e45ad0e) causes regression with QEMU
> > 0.14.* and 0.15.* because of a regression bug in QEMU that was fixed
> > only recently in QEMU git. The affected versions of QEMU do not quit on
> > SIGTERM if started with -no-shutdown, which we use to implement fake
> > reboot. Since -no-shutdown tells QEMU not to quit automatically on guest
> > shutdown, domains started using the affected QEMU cannot be shutdown
> > properly and stay in a paused state.
> >
> > This patch disables fake reboot feature on such QEMU by not using
> > -no-shutdown, which makes shutdown work as expected. However,
> > virDomainReboot will not work in this case and it will report "Requested
> > operation is not valid: Reboot is not supported with this QEMU binary".
> > ---
> >   src/qemu/qemu_capabilities.c |    8 ++++++++
> >   src/qemu/qemu_capabilities.h |    1 +
> >   src/qemu/qemu_command.c      |    2 +-
> >   src/qemu/qemu_driver.c       |    6 ++++++
> >   4 files changed, 16 insertions(+), 1 deletions(-)
> 
> ACK.

Thanks, I fixed qemuhelptest and qemuxml2argvtest and added one more
qemuxml2argvtest for -no-shutdown and pushed.

Jirka

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