Re: tvx for pilatus randomic crash over ssh

[Gabriel de Souza Fedel <gabriel.fedel@lnls.br>]

Hello Lewis

On 29-05-2018 12:27, J. Lewis Muir wrote:
> On 05/28, Gabriel de Souza Fedel wrote:
> > Hello,
> >
> > Did you have crash with tvx when accessing over ssh (-X) ?
> >
> > We change our client to Debian 9 (with mate), and now sporadically
> > tvx closes (camserv keep running normally).
> > I try to find some error message on server (where tvx are installed)
> > and client, but I didn't find anything.
> >
> > Our tvx version is tvx-7.2.70.
> Hello, Gabriel.
>
> It would probably be best to ask DECTRIS since they wrote and support
> tvx.
You are right, sorry for the off-topic mail.
> But if you're trying to fix the problem without them, you could, instead
> of the "-X" option, try the "-Y" option to ssh which enables trusted X11
> forwarding.
Great. Debian use -Y option as default (ForwardX11Trusted), but I will 
try the opposite (ForwardX11Trusted=no).
> Or you could try to get a stack trace when tvx crashes.  You'd need to
> figure out how to start it inside gdb, or attach to the tvx process with
> gdb after it's started, or get a core dump file and analyze that with
> gdb after the crash.
Good idea, I will try to use gdb for it.
> Regards,
>
> Lewis
Thank you,

Regards

--
Gabriel Fedel
Software de Operação das Linhas de Luz
Laboratório Nacional de Luz Síncrotron – (LNLS)
Centro Nacional de Pesquisa em Energia e Materiais (CNPEM)
gabriel.fedel@lnls.br | +55 (19) 3512 1226
www.lnls.cnpem.br