Re: procfs difference between NetBSD and Linux

[Chavdar Ivanov <ci4ic4%gmail.com@localhost>]

On Tue, 1 Jun 2021 at 11:44, Mark Davies <mark%ecs.vuw.ac.nz@localhost> wrote:
>
>
>
> On 1/06/21 10:24 pm, Chavdar Ivanov wrote:
> > On Tue, 1 Jun 2021 at 11:08, Chavdar Ivanov <ci4ic4%gmail.com@localhost> wrote:
> >>
> >> Fails under FreeBSD 13 as well:
> >>
> >> root@f13:~xci # touch foo.txt
> >> root@f13:~xci # cc -o s s.c
> >> root@f13:~xci # ./s
> >> fd = 3
> >> new_fd = -1
> >> root@f13:~xci # uname -a
> >> FreeBSD f13 13.0-RELEASE FreeBSD 13.0-RELEASE #0
> >> releng/13.0-n244733-ea31abc261f: Fri Apr  9 04:24:09 UTC 2021
> >> root%releng1.nyi.freebsd.org@localhost:/usr/obj/usr/src/amd64.amd64/sys/GENERIC
> >> amd64
> >
> > And under OpenBSD likewise:
> >
> > o64q$ gcc -o s s.c
> > /tmp//ccoGvFqD.o: In function `main':
> > s.c:(.text+0x6a): warning: sprintf() is often misused, please use snprintf()
> > o64q$ touch foo.txt
> > o64q$ ./s
> > fd = 3
> > new_fd = -1
> > o64q$ uname -a
> > OpenBSD o64q.lorien.lan 6.4 GENERIC.MP#2 amd64
> >
> > So there is a theme, I guess...
>
> OK so is the latest samba (4.14.x) working on FreeBSD or OpenBSD?
>
> As the issue that lead me to track down this difference from Linux is
> that since 4.14.0 if I have a samba share exported to windows and try to
> edit any existing file (with for example notepad) and go to save the
> changes it fails with a "File exists" dialog box, but works for the same
> samba on Linux.
>
> older samba (4.13.7) works fine on NetBSD, but the 4.14 seems to have
> reworked how they do opens to do this reopen via /proc thing.
>

Yes, I have 4.14.4 on my -current laptop; it is configured as a DC and
I thought there is a problem there, but it does behave as you describe
- even a second save of a newly created file fails.

> cheers
> mark



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