Re: qemu test-qga failure on mergebuild after VERSION file change: dependency issues??

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

On 7/16/20 7:55 PM, Michael Roth wrote:
> Quoting Peter Maydell (2020-07-16 05:53:17)
>> The first merge I tried to process after bumping VERSION for rc0
>> failed on test-qga like this:
>>
>> MALLOC_PERTURB_=${MALLOC_PERTURB_:-$(( ${RANDOM:-0} % 255 + 1))}
>> tests/test-qga -m=quick -k --tap < /dev/null | ./scripts/tap-driv
>> er.pl --test-name="test-qga"
>> PASS 1 test-qga /qga/sync-delimited
>> PASS 2 test-qga /qga/sync
>> PASS 3 test-qga /qga/ping
>> **
>> ERROR:/home/petmay01/linaro/qemu-for-merges/tests/test-qga.c:303:test_qga_info:
>> assertion failed (version == QEMU_VERSION): ("5.0.9
>> 0" == "5.0.50")
>> ERROR test-qga - Bail out!
>> ERROR:/home/petmay01/linaro/qemu-for-merges/tests/test-qga.c:303:test_qga_info:
>> assertion failed (versio
>> n == QEMU_VERSION): ("5.0.90" == "5.0.50")
>> Aborted (core dumped)
>> /home/petmay01/linaro/qemu-for-merges/tests/Makefile.include:659:
>> recipe for target 'check-unit' failed
>>
>> Looking at timestamps on files, tests/test-qga.o never got rebuilt,
>> even though config-host.h has been updated (and so has the new
>> QEMU_VERSION). Any idea what's gone wrong here?
>>
>> Also weird: this build tree has no .d files in it.
> 
> I've been trying to reproduce with:
> 
> make
> make check-unit
> *bump VERSION
> make check-unit
> 
> but test-qga.o gets rebuilt as expected and the test passed.
> 
> This is with ubuntu 18.04, x86, with out-of-tree build directory. Are you aware
> of any other factors that might be needed to reproduce this?

The problem is not for qga, it affects all QEMU objects.

> 
>>
>> thanks
>> -- PMM
>