[Bug translator/24720] stap Can't insert module and exit with error "Invalid module format"

[gromero at linux dot vnet.ibm.com]

https://sourceware.org/bugzilla/show_bug.cgi?id=24720

--- Comment #7 from Gustavo Romero <gromero at linux dot vnet.ibm.com> ---
(In reply to Serhei Makarov from comment #6)
> Thanks for providing the detailed info. This problem was caused by the prior
> commit [1] attempting to fix a much rarer problem (a guru-mode module
> compiled for one kernel can sometimes run on a different kernel version if
> there is no difference in the ABIs checked by modsymversioning).
> 
> [1]:
> https://sourceware.org/git/gitweb.cgi?p=systemtap.git;a=commitdiff;
> h=c8084763b75fe4c8c61a0ddfa69e2d13f04de18e;
> hp=3a29a2eef30f191afbc1bc117b6e5a2812dfe91b
> 
> For now I reverted the commit in SystemTap git master since it clearly had
> undesirable results. I'll use your info to reproduce the problem for myself
> and see if there's a better way to fix it that works across all the
> different configs. Keeping the PR open to track that work.

Thanks for the analysis and explanations, Serhei!

If you need any help on reproducing/testing it please let me know.

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