Re: Tramp hangs/freezes when opening some remote files over ssh on Ubuntu 14.04 client.

[Chris Seberino]

> Try C-g (even several times) whether Emacs unfreezes. If it doesn't
> help, send the Emacs process the USR2 signal, or the FPE
> signal. Sometimes this unfreezes Emacs, and you are able to investigate
> the Tramp buffer.

That unfroze it so I could paste the debug info seen below!


> Well, experience tells that there are a lot of possibilities that Tramp
> does not succeed to connect. Often, it is the prompt of the remote shell.

It is true that I had escape codes and other goo in my zsh prompt to make it 
fancy.  I removed it but still had the same problem.

Here is the end of the tramp debug output...
12:04:00.450008 tramp-get-connection-property (7) # last-cmd-time (21695 59920 
391735 558000)
12:04:00.450122 tramp-get-connection-property (7) # process-name nil
12:04:00.450234 tramp-get-connection-property (7) # remote-echo nil
12:04:00.450327 tramp-send-command (6) # ( \cd /home/cs/Ws/philfour/mvc/views/; 
hg log -l 1 --template \{rev\} about.html </dev/null; echo tramp_exit_status $? 
)
12:04:00.450420 tramp-get-connection-property (7) # process-name nil
12:04:00.450533 tramp-get-connection-property (7) # chunksize 0
12:04:00.450643 tramp-set-connection-property (7) # last-cmd-time (21695 59920 
450595 160000)
12:04:00.450737 tramp-send-string (10) # ( \cd /home/cs/Ws/philfour/mvc/views/; 
hg log -l 1 --template \{rev\} about.html </dev/null; echo tramp_exit_status $? 
)
12:04:00.450828 tramp-get-connection-property (7) # process-buffer nil
12:04:00.450962 tramp-get-connection-property (7) # check-remote-echo nil
12:04:00.451062 tramp-get-connection-property (7) # check-remote-echo nil
12:04:00.451165 tramp-accept-process-output (10) # *tramp/ssh cs@philfour.com* 
run
12:04:00.553303 tramp-accept-process-output (10) # 
WARNING: terminal is not fully functional
12:04:00.553403 tramp-get-connection-property (7) # check-remote-echo nil
12:04:00.553500 tramp-get-connection-property (7) # check-remote-echo nil
12:04:00.553607 tramp-accept-process-output (10) # *tramp/ssh cs@philfour.com* 
run
12:04:00.553760 tramp-accept-process-output (10) # 
WARNING: terminal is not fully functional

-  (press RETURN)
12:04:00.553859 tramp-get-connection-property (7) # check-remote-echo nil
12:04:00.553964 tramp-get-connection-property (7) # check-remote-echo nil
12:04:00.554074 tramp-accept-process-output (10) # *tramp/ssh cs@philfour.com* 
run
12:04:01.555315 tramp-accept-process-output (10) # 
WARNING: terminal is not fully functional

-  (press RETURN)
12:04:01.555440 tramp-get-connection-property (7) # check-remote-echo nil
12:04:01.555539 tramp-get-connection-property (7) # check-remote-echo nil
12:04:01.555652 tramp-accept-process-output (10) # *tramp/ssh cs@philfour.com* 
run
12:04:02.556823 tramp-accept-process-output (10) # 
WARNING: terminal is not fully functional

-  (press RETURN)
12:04:02.556957 tramp-get-connection-property (7) # check-remote-echo nil
12:04:02.557057 tramp-get-connection-property (7) # check-remote-echo nil
12:04:02.557167 tramp-accept-process-output (10) # *tramp/ssh cs@philfour.com* 
run
12:04:03.364676 tramp-get-connection-property (7) # process-buffer nil
12:04:03.364793 tramp-get-connection-property (7) # process-buffer nil
12:04:03.364929 tramp-get-file-property (8) # / file-truename nil
12:04:03.365022 tramp-flush-file-property (8) # /