On Fri, 24 Oct 2025 at 20:30, Dean Rasheed <[email protected]> wrote: > > On Fri, 24 Oct 2025 at 15:23, Andres Freund <[email protected]> wrote: > > > > FWIW, there are a few interesting messages on the host of my buildfarm > > animal: > > > > Aug 19 02:05:31 andres-postgres-buildfarm-v6 kernel: traps: > > test_int128[1678696] trap divide error ip:55764d59802c sp:7fffc378f7f8 > > error:0 in test_int128[402c,55764d595000+4000] > > Oct 15 03:08:28 andres-postgres-buildfarm-v6 kernel: traps: > > test_int128[1984641] trap divide error ip:405a8c sp:7ffc41a93c88 error:0 in > > test_int128[5a8c,401000+5000] > > Oct 15 20:02:15 andres-postgres-buildfarm-v6 kernel: traps: > > test_int128[3346617] trap divide error ip:404b4c sp:7ffc709ab658 error:0 in > > test_int128[4b4c,401000+4000] > > > > Ah, I presume this is because there is a small, but non-zero chance > that the test code will attempt to divide by zero, so it needs to make > sure that z32 is non-zero. Will fix.
I was able to produce a division-by-zero failure by running the full 1 billion iteration test a few times, and I've pushed a fix for it. Regards, Dean
