On 8/10/21 7:59 PM, Thomas Munro wrote: > On Wed, Aug 11, 2021 at 7:07 AM Thomas Munro <thomas.mu...@gmail.com> wrote: >> On Wed, Aug 11, 2021 at 2:12 AM Andres Freund <and...@anarazel.de> wrote: >>> On Tue, Aug 10, 2021, at 15:19, Thomas Munro wrote: >>>> Yeah, make check always fails for me on macOS 11. With the attached >>>> experimental hack, it fails only occasionally (1 in 8 runs or so). I >>>> don't know why. >>> I suspect you'd need to use the hack in pg_ctl to make it reliable. The >>> layout of normally stayed position independent postmaster can be >>> incompatible with the non ASLR spawned child. >> Yeah, but the patch already changes both pg_ctl.c and postmaster.c. > /me stares at vmmap output for a while > > Oooh. It's working perfectly (for example if you export > PATH=binarys:$PATH, pg_ctl -D pgdata start, make installcheck), but > pg_regress.c has its own separate fork/exec to launch the temporary > cluster that needs to be similarly hacked.
initdb also runs postgres a bunch of times via system(), similarly to pg_regress but without the "exec". Does it also need adjusting? cheers andrew -- Andrew Dunstan EDB: https://www.enterprisedb.com
