Re: [Qemu-devel] [PATCH] tests/vm: Increase timeout waiting for VM to boot to 5 minutes

[Fam Zheng <famz@redhat.com>]

On Fri, 08/24 13:45, Peter Maydell wrote:
> On 24 August 2018 at 13:02, Peter Maydell <peter.maydell@linaro.org> wrote:
> > On 23 August 2018 at 15:11, Fam Zheng <famz@redhat.com> wrote:
> >> On Thu, 08/23 12:21, Peter Maydell wrote:
> >>> The VM tests currently have a timeout of 2 minutes for trying
> >>> to connect to ssh. Since the guest VM has to boot from cold
> >>> to the point of accepting inbound ssh during this time, if the
> >>> host machine is heavily loaded it can spuriously time out.
> >>> Increase the timeout from 2 to 5 minutes.
> >>>
> >>> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
> >>
> >> Acked-by: Fam Zheng <famz@redhat.com>
> >>
> >> Again, please apply this yourself. :)
> >
> > Applied, thanks.
> 
> I'm still seeing the ssh login for a netbsd VM sometimes
> sit there apparently indefinitely. Is there some way to
> debug what the guest VM is actually doing when the
> log just sits there doing
> DEBUG:root:ssh_cmd: ssh -q -o StrictHostKeyChecking=no -o
> UserKnownHostsFile=/dev/null -o ConnectTimeout=1 -p 36947 -i
> /home/peter.maydell/qemu-netbsd/build/vm-test-g0SkVX.tmp/id_rsa
> qemu@127.0.0.1 exit 0
> DEBUG:root:ssh_cmd: ssh -q -o StrictHostKeyChecking=no -o
> UserKnownHostsFile=/dev/null -o ConnectTimeout=1 -p 36947 -i
> /home/peter.maydell/qemu-netbsd/build/vm-test-g0SkVX.tmp/id_rsa
> qemu@127.0.0.1 exit 0
> 
> (eg a capture of its terminal output) ?

I need to investigate into it. Sometimes I see the timeout too with V=1, but not
if I omit it (i.e. on DEBUG: lines are echoed).

Fam