| From: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, Andrew Dunstan <andrew(at)dunslane(dot)net>, Andres Freund <andres(at)anarazel(dot)de>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Worth using personality(ADDR_NO_RANDOMIZE) for EXEC_BACKEND on linux? |
| Date: | 2021-08-10 13:19:00 |
| Message-ID: | CA+hUKGLuVa_U6oOZqwXx-ehZC_DVNDj2HvEgWr58DFXviYv4ZQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Tue, Aug 10, 2021 at 5:43 AM Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
> On Mon, Aug 9, 2021 at 1:30 PM Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> wrote:
> > How common is to get a failure? I know I've run tests under
> > EXEC_BACKEND and not seen any failures. Not many runs though.
>
> On macOS, failures are extremely common. Sometimes I have to run
> simple tests many times to get even one success. The proposal on the
> table won't help with that problem since it's Linux-specific, but if
> there's any way to do something similar on macOS it would be a _huge_
> help.
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.
| Attachment | Content-Type | Size |
|---|---|---|
| 0001-Try-to-make-EXEC_BACKEND-more-convenient-on-macOS.patch | application/x-patch | 4.6 KB |
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