Re: Strange symbols_lookup() behaviour in test-symbols on arm64 CI

[Mykola Kvach <xakep.amatop@xxxxxxxxx>]

Hi Jan,

Apologies for the delay in responding.

On Mon, Dec 15, 2025 at 1:27 PM Jan Beulich <jbeulich@xxxxxxxx> wrote:
>
> On 15.12.2025 12:00, Mykola Kvach wrote:
> > On Thu, Dec 11, 2025 at 6:40 PM Jan Beulich <jbeulich@xxxxxxxx> wrote:
> >>
> >> On 11.12.2025 17:30, Mykola Kvach wrote:
> >>> I have now attached the corresponding build log.
> >>
> >> Okay, so indeed not a table size change issue here. Then I fear some 
> >> instrumenting
> >> will be needed to at least know what exactly is going wrong. Alternatively 
> >> you could
> >> arrange for the intermediate binaries to not be deleted, and make them 
> >> available
> >> somehow / somewhere for me to see whether by inspection I can gain some 
> >> clue.
> >
> > I prepared a small patch to keep the intermediate artifacts instead of
> > deleting them.
> >
> > It removes two cleanup commands:
> >     xen/arch/arm/Makefile: drops rm -f $(@D)/.$(@F).[0-9]* (keeps
> > .xen-syms.* intermediates)
>
> This alone should be sufficient.

Understood. I have rerun the build with the cleanup line removed
so the intermediate .xen-syms.* files are kept.

The build artifacts are available here:
https://gitlab.com/xen-project/people/mykola_kvach/xen/-/jobs/12707528457/artifacts/browse/xen/

Best regards,
Mykola


>
> >     xen/scripts/Kbuild.include: drops rm -f $(@D)/.cst.$$$$ (keeps
> > .cst.<pid> used by compare-symbol-tables)
>
> These can be easily re-created from the ones retained above. (They might be
> of immediate interest - and hence worth keeping - if the comparisons failed,
> but you said the build works fine for you even with these comparisons added.)
>
> Jan
>
> > Should I gather any other files/logs that would be useful?
> >
> >
> >
> > Mykola
> >
> >>
> >> Jan
>