Re: [Qemu-devel] qemu master tests/vmstate prints "Failed to load simple/primitive:b_1" etc

["Dr. David Alan Gilbert" <dgilbert@redhat.com>]

* Peter Maydell (peter.maydell@linaro.org) wrote:
> On 17 October 2016 at 19:51, Dr. David Alan Gilbert <dgilbert@redhat.com> wrote:
> > * Peter Maydell (peter.maydell@linaro.org) wrote:
> >> I've just noticed that qemu master running 'make check' prints
> >>   GTESTER tests/test-vmstate
> >> Failed to load simple/primitive:b_1
> >> Failed to load simple/primitive:i64_2
> >> Failed to load simple/primitive:i32_1
> >> Failed to load simple/primitive:i32_1
> >>
> >> but the test doesn't fail.
> >>
> >> Can we either (a) silence this output if it's spurious or (b) have
> >> it cause the test to fail if it's real (and fix the cause of the
> >> failure ;-)), please?
> >
> > The test (has always) tried loading truncated versions of the migration
> > stream and made sure that it receives an error from vmstate_load_state.
> >
> > However I just added an error so we can see which field fails to load
> > in a migration where we just used to get a 'migration has failed with -22'
> >
> > Is there a way to silence error_report's that's already in use in tests?
> 
> We have some nasty hacks (like check for 'qtest_enabled()' before
> calling error_report()) but we don't have anything in the
> tree today that's a more coherent approach to the "test
> deliberately provoked this error" problem.

Errors go to either the current monitor (if it's non-qmp) or
stderr; so could we create a dummy monitor to eat the errors
and make it current around that part?

Dave

> 
> thanks
> -- PMM
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK