Thanks a lot Cascardo and Dann - very good points.

Cascardo: I agree with you, I misunderstood and didn't consider the
minor kernel releases. I think that Dann's idea of testing makes it much
simpler though. Maybe kernel team could create the vmcore images, as
part of the release process, for some random kernels (like generic + 3
cloud kernels randomly) and "dump" into this server. So, makedumpfile
test infrastructure would then consume the vmcores and execute the test,
checking against bugs/regressions. The test could be quite simple, just
checking return value of makedumpfile and if the file created is in fact
a compressed dump (the "file" tool could be used by that).

I agree with you as well Dann, makedumpfile is much more important than
the crash tool and should have priority. Also, testing makedump is
easier than checking the crash tool I guess heheh

Cheers!

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https://bugs.launchpad.net/bugs/1970672

Title:
  makedumpfile falls back to cp with "__vtop4_x86_64: Can't get a valid
  pmd_pte."

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