Re: tramp hangs

[Mark Geary]

On Tue, 24 Sep 2019, Michael Albinus wrote:

> Mark Geary <address@hidden> writes:
>
> > I also realized that I needed to delete ~/emacs.d/tramp.
> > (Which, I suppose, is why Tramp had been using /usr/ccs/bin/bash.)
>
> Maybe this led to problems. I see now the errors
>
> --8<---------------cut here---------------start------------->8---
> > 16:57:08.574453 tramp-file-name-handler (1) # Symbol’s value as variable is void: "Symbol's 
> > value as variable is void", "(tramp-inline-compress-start-size)"
> > 16:57:08.574572 tramp-file-name-handler (1) # Symbol’s value as variable is void: "Symbol's 
> > value as variable is void", "(tramp-copy-size-limit)"
> > 16:57:08.574640 tramp-file-name-handler (1) # Symbol’s value as variable is void: "Symbol's 
> > value as variable is void", "(tramp-histfile-override)"
> > 16:57:08.574875 tramp-file-name-handler (1) # Symbol’s value as variable is void: "Symbol's 
> > value as variable is void", "(tramp-use-ssh-controlmaster-options)"
> --8<---------------cut here---------------end--------------->8---
>
> Instead of removing ~/emacs.d/tramp, you might call "M-x 
> tramp-cleanup-all-connections".
> This is safer.


> Thanks. I see now the error
>
> --8<---------------cut here---------------start------------->8---
> > 16:57:15.722371 tramp-barf-unless-okay (1) # File error: ‘( (test -e /home/mag43/.profile || test -h 
> > /home/mag43/.profile) && (env QUOTING_STYLE=locale /usr/bin/stat -c '((/////%N/////) %h %u %g 
> > %X %Y %Z %s /////%A///// t %i -1)' /home/mag43/.profile | sed -e 's/"/\\"/g' -e 
> > 's/\/\/\/\/\//"/g') || echo nil)’ returns with error
> > bash: null: command not found
> --8<---------------cut here---------------end--------------->8---
>
> The command is shorter than 250 chars, so it must be something
> different. "stat" is still involved, I start to believe we shall simply
> ban stat for remote Solaris.

The line you quote appears to be Emacs talking about a previous command it
issued to the shell. I think that previous command has

   " 2>/dev/null; echo tramp_exit_status $?"

appended to the end of the text you quote. The offending text ("null")
starts with the 258th character. That doesn't show us clearly where the
problem is, but I don't think it lets us rule out line length as a factor.

> I`ve prepared another patch, which does it. Pls remove the first patch,
> and install this instead. And run "M-x tramp-cleanup-all-connections"
> before testing.

Thanks, the new patch works, however

+    ;; stat on Solaris is buggy.  We've got reports for "SunOS 5.10"
+    ;; and "SunOS 5.11" so far.

I think the actual problem is more subtle than that, but I don't have a
better solution at this time.

Mark

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