[libvirt] Strange test build failure

[Roman Bogorodskiy]

  Daniel P. Berrange wrote:

> On Fri, May 22, 2015 at 05:59:49PM +0200, Michal Privoznik wrote:
> > On 22.05.2015 16:39, Dimitri John Ledkov wrote:
> > > On 22 May 2015 at 13:53, Michal Privoznik <mprivozn at redhat.com> wrote:
> > >> On 22.05.2015 14:18, Daniel P. Berrange wrote:
> > >>> On Fri, May 22, 2015 at 01:13:40PM +0100, Dimitri John Ledkov wrote:
> > >>>> # VIR_TEST_VERBOSE=1 VIR_TEST_DEBUG=1 ./qemuxml2argvtest 2>&1 | grep NUMA
> > >>>> 61) QEMU XML-2-ARGV hugepages-pages
> > >>>> ... libvirt:  error : unsupported configuration: NUMA node 1 is
> > >>>> unavailable
> > >>>> 64) QEMU XML-2-ARGV hugepages-shared
> > >>>> ... libvirt:  error : unsupported configuration: NUMA node 1 is
> > >>>> unavailable
> > >>>> 331) QEMU XML-2-ARGV numatune-memnode
> > >>>> ... libvirt:  error : unsupported configuration: NUMA node 1 is
> > >>>> unavailable
> > >>>> 333) QEMU XML-2-ARGV numatune-memnode-no-memory
> > >>>> ... libvirt:  error : unsupported configuration: NUMA node 3 is
> > >>>> unavailable
> > >>>> 336) QEMU XML-2-ARGV numatune-auto-prefer
> > >>>> ... libvirt:  error : unsupported configuration: NUMA node 1 is
> > >>>> unavailable
> > >>>> 449) QEMU XML-2-ARGV memory-hotplug-dimm
> > >>>> ... libvirt:  error : unsupported configuration: NUMA node 1 is
> > >>>> unavailable
> > >>>> 450) QEMU XML-2-ARGV memory-hotplug-dimm-addr
> > >>>> ... libvirt:  error : unsupported configuration: NUMA node 1 is
> > >>>> unavailable
> > >>>>
> > >>>> So the test fails, but I don't believe I'm compiling libvirt with
> > >>>> numad support... So I don't understand what is being asserted here.
> > >>>
> > >>> Can you tell us more about what platform you are building on, and
> > >>> particularly what compiler & linker you are using
> > >>
> > >> And what arguments do you pass to configure.

<snip>

> > > 
> > 
> > So even though you are building with numactl, it seems to me like you
> > don't have numa_bitmask_isbitset(). Can you check config.log to see if
> > HAVE_NUMA_BITMASK_ISBITSET is defined to 1? If my guess is right, this
> > causes us to not mock virNumaNodeIsAvailable() and therefore we run the
> > original function which checks real host the build is ran on.
> 
> Or is this not the same as the issue with inline that was seen with
> clang before ?

Yeah, it looks quite similar to that one.

By the way, clang doesn't do much inlining with -O0, I guess that could
be similar in gcc, so it should be a quick check to see if that's a
compiler problem.

Roman Bogorodskiy
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