Mark Dilger <mark.dil...@enterprisedb.com> writes: >> On Oct 22, 2020, at 1:09 PM, Tom Lane <t...@sss.pgh.pa.us> wrote: >> ooh, looks like prairiedog sees the problem too. That means I should be >> able to reproduce it under a debugger, if you're not certain yet where >> the problem lies.
> Thanks, Tom, but I question whether the regression test failures are from a > problem in the verify_heapam.c code. I think they are a busted perl test. > The test was supposed to corrupt the heap by overwriting a heap file with a > large chunk of garbage, but in fact only wrote a small amount of garbage. > The idea was to write about 2000 bytes starting at offset 32 in the page, in > order to corrupt the line pointers, but owing to my incorrect use of syswrite > in the perl test, that didn't happen. Hm, but why are we seeing the failure only on specific machine architectures? sparc64 and ppc32 is a weird pairing, too. regards, tom lane