[Samba] Broken Dependencies?

[Dirk Laurenz]

HI,

ok, i'll do so today..

> -----Ursprüngliche Nachricht-----
> Von: Michael Tokarev <mjt at tls.msk.ru>
> Gesendet: Dienstag, 24. Mai 2022 13:40
> An: Dirk Laurenz <samba at laurenz.ws>; samba at lists.samba.org
> Betreff: Re: [Samba] Broken Dependencies?
> 
> 16.05.2022 15:38, Dirk Laurenz via samba wrote:
> > So after trying update, reinstallation, changing to a new sdcard... I
> > get the same errors, when starting samba with the backport version:
> >
> >
> > [2022/05/16 14:34:36.466993,  0]
> > ../../source4/samba/server.c:621(binary_smbd_main)
> >    samba version 4.16.1-Debian started.
> >    Copyright Andrew Tridgell and the Samba Team 1992-2022
> > [2022/05/16 14:34:36.467540,  0]
> > ../../lib/util/become_daemon.c:150(daemon_status)
> >    daemon_status: daemon 'samba' : Starting process...
> > [2022/05/16 14:34:37.208800,  0]
> > ../../source4/samba/server.c:897(binary_smbd_main)
> >    binary_smbd_main: samba: using 'prefork' process model
> > [2022/05/16 14:34:37.319717,  0]
> > ../../source4/lib/tls/tlscert.c:67(tls_cert_generate)
> >    Attempting to autogenerate TLS self-signed keys for https for
> > hostname 'DC03.samba.laurenz.ws'
> > [2022/05/16 14:34:37.557399,  0] ../../lib/util/fault.c:172(smb_panic_log)
> >    ===============================================================
> > [2022/05/16 14:34:37.557734,  0] ../../lib/util/fault.c:173(smb_panic_log)
> >    INTERNAL ERROR: Signal 11: Segmentation fault in pid 24413
> > (4.16.1-Debian)
> 
> Lovely. I haven't seen any panics with 4.16 versions so far.
> But this is arm, - I never tried samba on arm either.
> 
> In debian by default panic action is set to /usr/share/samba/panic-action
> which is a script which tries to send email with the backtrace. It is an old thing,
> I think it should be changed now to save the backtrace in some file instead of
> trying to email it.  There, if there's no "mail" command installed, the script just
> exits with exit status 0, and it even if this command is available, there's a good
> chance it does not work anyway.
> 
> In order to collect a useful backtrace which can be used to diagnose this, one
> has to install the dbgsym package for samba (and I guess samba-libs too), -
> see https://wiki.debian.org/HowToGetABacktrace for how to add the
> necessary line into your apt/sourses.list file, next install samba-dbgsym and
> samba-libs-dbgsym packages.  And install gdb package too.
> 
> After that, - it looks like you don't have a working mail command - I'd suggest
> you to modify the script, /usr/share/samba/panic-action (or change "panic
> action" parameter in smb.conf to point to the new script) which does just this:
> 
> #! /bin/sh
> exe=$(readlink /proc/$1/exe)
> gdb -x /etc/samba/gdbcommands --batch $exe $1
> >/var/log/samba/backtrace.$1 2>&1
> 
> (untested but should be close to what's needed).
> 
> and post the contents of /var/log/backtrace.NN files here. The backtrace isn't
> usually large.
> 
> Thanks,
> 
> /mjt