bug#13390: tramp-adb hanging forever

[Thierry Volpiatto <thierry.volpiatto@gmail.com>]

Hi Michael,

Michael Albinus <michael.albinus@gmx.de> writes:

> Michael Albinus <michael.albinus@gmx.de> writes:
>
>> Thierry Volpiatto <thierry.volpiatto@gmail.com> writes:
>>
>>> Hi Michael,
>
> Hi Thierry,
>
>>>> USB access is OK, but that's not what we want to test. Is there
>>>> something one must prepare in order to run "adb connect" successfully?
>>> Install adb wireless:
>>> https://play.google.com/store/apps/details?id=siir.es.adbWireless&hl=en
>>
>> It says on the web page: "Rooted Phone Only!"
>>
>> Sorry, but that's not an option for my Nexus S. I can't check your
>> problem.
>
> I still have no chance to install adb wireless for the given reason. But
> if you have installed also an sshd app on your device, you could check
> any ssh-based Tramp method from now on. I've just tweaked Tramp to
> support this; see the Tramp manual for setup hints.
>
> It works fine for me with my Nexus S, running Android 4.1.2, and
> SSHDroid 1.9.6.
I tried this morning with 'dropbear ssh server' and it didn't work
either from helm or using it normally from emacs -Q with `find-file'.

This is using from helm:

--8<---------------cut here---------------start------------->8---
;; GNU Emacs: 24.3.50.1 Tramp: 2.2.7-pre -*- mode: outline; -*-
11:26:07.962245 tramp-maybe-open-connection (3) # Opening connection for zte using ssh...
11:26:07.964061 tramp-maybe-open-connection (6) # /bin/sh -i
11:26:07.966402 tramp-wait-for-regexp (6) # 
env: can't execute '/bin/sh': No such file or directory
Connection to 192.168.0.24 closed.
#$ 
11:26:07.968048 tramp-maybe-open-connection (3) # Sending command `exec ssh   -o ControlPath=/tmp/tramp.187045lZ.%r@%h:%p -o ControlMaster=auto -o ControlPersist=no -e none zte'
11:26:07.968465 tramp-send-command (6) # exec ssh   -o ControlPath=/tmp/tramp.187045lZ.%r@%h:%p -o ControlMaster=auto -o ControlPersist=no -e none zte
11:26:07.969233 tramp-process-actions (3) # Waiting for prompts from remote shell
11:26:08.970712 tramp-process-one-action (5) # Looking for regexp "\(.*ogin\( .*\)?: *\)\'" from remote shell
11:26:08.971304 tramp-process-one-action (5) # Looking for regexp "\(^.*\([pP]assword\|[pP]assphrase\).*:? *\)\'" from remote shell
11:26:08.971829 tramp-process-one-action (5) # Looking for regexp "\(^.*\(Connection \(?:\(?:clo\|refu\)sed\)\|Host key verification failed\.\|Login \(?:[Ii]ncorrect\)\|N\(?:ame or service not known\|o supported authentication methods left to try!\)\|Permission denied\|\(?:Sorry, try again\|Timeout, server not responding\)\.\).*\|^.*\(Received signal [0-9]+\).*\)\'" from remote shell
11:26:08.972377 tramp-process-one-action (5) # Looking for regexp "\(^[^#$%>
]*[#$%>] *\)\'" from remote shell
11:26:08.972953 tramp-process-one-action (5) # Looking for regexp "\(\(?:^\|\)[^]#$%>
]*#?[]#$%>] *\(\[[0-9;]*[a-zA-Z] *\)*\)\'" from remote shell
11:26:08.973300 tramp-process-one-action (5) # Looking for regexp "\(\(Are you sure you want to continue connecting (yes/no)\?\)\s-*\)\'" from remote shell
11:26:08.973619 tramp-process-one-action (5) # Looking for regexp "\(\(\(?:Store key in cache\? (y/\|Update cached key\? (y/n, Return cancels connectio\)n)\)\s-*\)\'" from remote shell
11:26:08.973937 tramp-process-one-action (5) # Looking for regexp "\(\(TERM = (.*)\|Terminal type\? \[.*\]\)\s-*\)\'" from remote shell
11:26:08.974249 tramp-process-one-action (5) # Looking for regexp "\(\)\'" from remote shell
11:26:08.974560 tramp-process-one-action (5) # Call `tramp-action-process-alive'
11:26:09.976225 tramp-process-one-action (5) # Looking for regexp "\(.*ogin\( .*\)?: *\)\'" from remote shell
11:26:09.976887 tramp-process-one-action (5) # Looking for regexp "\(^.*\([pP]assword\|[pP]assphrase\).*:? *\)\'" from remote shell
11:26:09.977413 tramp-process-one-action (5) # Looking for regexp "\(^.*\(Connection \(?:\(?:clo\|refu\)sed\)\|Host key verification failed\.\|Login \(?:[Ii]ncorrect\)\|N\(?:ame or service not known\|o supported authentication methods left to try!\)\|Permission denied\|\(?:Sorry, try again\|Timeout, server not responding\)\.\).*\|^.*\(Received signal [0-9]+\).*\)\'" from remote shell
11:26:09.977918 tramp-process-one-action (5) # Looking for regexp "\(^[^#$%>
]*[#$%>] *\)\'" from remote shell
11:26:09.978361 tramp-process-one-action (5) # Looking for regexp "\(\(?:^\|\)[^]#$%>
]*#?[]#$%>] *\(\[[0-9;]*[a-zA-Z] *\)*\)\'" from remote shell
11:26:09.978689 tramp-process-one-action (5) # Looking for regexp "\(\(Are you sure you want to continue connecting (yes/no)\?\)\s-*\)\'" from remote shell
11:26:09.978996 tramp-process-one-action (5) # Looking for regexp "\(\(\(?:Store key in cache\? (y/\|Update cached key\? (y/n, Return cancels connectio\)n)\)\s-*\)\'" from remote shell
11:26:09.979295 tramp-process-one-action (5) # Looking for regexp "\(\(TERM = (.*)\|Terminal type\? \[.*\]\)\s-*\)\'" from remote shell
11:26:09.979597 tramp-process-one-action (5) # Looking for regexp "\(\)\'" from remote shell
11:26:09.979898 tramp-process-one-action (5) # Call `tramp-action-process-alive'
11:26:10.772655 tramp-process-one-action (5) # Looking for regexp "\(.*ogin\( .*\)?: *\)\'" from remote shell
11:26:10.773433 tramp-process-one-action (5) # Looking for regexp "\(^.*\([pP]assword\|[pP]assphrase\).*:? *\)\'" from remote shell
11:26:10.773832 tramp-process-one-action (5) # Looking for regexp "\(^.*\(Connection \(?:\(?:clo\|refu\)sed\)\|Host key verification failed\.\|Login \(?:[Ii]ncorrect\)\|N\(?:ame or service not known\|o supported authentication methods left to try!\)\|Permission denied\|\(?:Sorry, try again\|Timeout, server not responding\)\.\).*\|^.*\(Received signal [0-9]+\).*\)\'" from remote shell
11:26:10.774224 tramp-process-one-action (5) # Looking for regexp "\(^[^#$%>
]*[#$%>] *\)\'" from remote shell
11:26:10.774547 tramp-process-one-action (5) # Looking for regexp "\(\(?:^\|\)[^]#$%>
]*#?[]#$%>] *\(\[[0-9;]*[a-zA-Z] *\)*\)\'" from remote shell
11:26:10.774882 tramp-process-one-action (5) # Looking for regexp "\(\(Are you sure you want to continue connecting (yes/no)\?\)\s-*\)\'" from remote shell
11:26:10.775196 tramp-process-one-action (5) # Looking for regexp "\(\(\(?:Store key in cache\? (y/\|Update cached key\? (y/n, Return cancels connectio\)n)\)\s-*\)\'" from remote shell
11:26:10.775508 tramp-process-one-action (5) # Looking for regexp "\(\(TERM = (.*)\|Terminal type\? \[.*\]\)\s-*\)\'" from remote shell
11:26:10.775809 tramp-process-one-action (5) # Looking for regexp "\(\)\'" from remote shell
11:26:10.776106 tramp-process-one-action (5) # Call `tramp-action-process-alive'
11:26:10.980523 tramp-process-one-action (5) # Looking for regexp "\(.*ogin\( .*\)?: *\)\'" from remote shell
11:26:10.981338 tramp-process-one-action (5) # Looking for regexp "\(^.*\([pP]assword\|[pP]assphrase\).*:? *\)\'" from remote shell
11:26:10.981835 tramp-process-one-action (5) # Call `tramp-action-password'
11:26:10.982187 tramp-action-password (3) # Sending password
11:26:10.983267 tramp-process-one-action (5) # Looking for regexp "\(^.*\(Connection \(?:\(?:clo\|refu\)sed\)\|Host key verification failed\.\|Login \(?:[Ii]ncorrect\)\|N\(?:ame or service not known\|o supported authentication methods left to try!\)\|Permission denied\|\(?:Sorry, try again\|Timeout, server not responding\)\.\).*\|^.*\(Received signal [0-9]+\).*\)\'" from remote shell
11:26:10.983689 tramp-process-one-action (5) # Looking for regexp "\(^[^#$%>
]*[#$%>] *\)\'" from remote shell
11:26:10.984012 tramp-process-one-action (5) # Looking for regexp "\(\(?:^\|\)[^]#$%>
]*#?[]#$%>] *\(\[[0-9;]*[a-zA-Z] *\)*\)\'" from remote shell
11:26:10.984345 tramp-process-one-action (5) # Looking for regexp "\(\(Are you sure you want to continue connecting (yes/no)\?\)\s-*\)\'" from remote shell
11:26:10.984713 tramp-process-one-action (5) # Looking for regexp "\(\(\(?:Store key in cache\? (y/\|Update cached key\? (y/n, Return cancels connectio\)n)\)\s-*\)\'" from remote shell
11:26:10.985041 tramp-process-one-action (5) # Looking for regexp "\(\(TERM = (.*)\|Terminal type\? \[.*\]\)\s-*\)\'" from remote shell
11:26:10.985352 tramp-process-one-action (5) # Looking for regexp "\(\)\'" from remote shell
11:26:10.985654 tramp-process-one-action (5) # Call `tramp-action-process-alive'
11:26:10.986107 tramp-process-one-action (5) # Looking for regexp "\(.*ogin\( .*\)?: *\)\'" from remote shell
11:26:10.986434 tramp-process-one-action (5) # Looking for regexp "\(^.*\([pP]assword\|[pP]assphrase\).*:? *\)\'" from remote shell
11:26:10.986775 tramp-process-one-action (5) # Looking for regexp "\(^.*\(Connection \(?:\(?:clo\|refu\)sed\)\|Host key verification failed\.\|Login \(?:[Ii]ncorrect\)\|N\(?:ame or service not known\|o supported authentication methods left to try!\)\|Permission denied\|\(?:Sorry, try again\|Timeout, server not responding\)\.\).*\|^.*\(Received signal [0-9]+\).*\)\'" from remote shell
11:26:10.987110 tramp-process-one-action (5) # Looking for regexp "\(^[^#$%>
]*[#$%>] *\)\'" from remote shell
11:26:10.987412 tramp-process-one-action (5) # Looking for regexp "\(\(?:^\|\)[^]#$%>
]*#?[]#$%>] *\(\[[0-9;]*[a-zA-Z] *\)*\)\'" from remote shell
11:26:10.987715 tramp-process-one-action (5) # Looking for regexp "\(\(Are you sure you want to continue connecting (yes/no)\?\)\s-*\)\'" from remote shell
11:26:10.988028 tramp-process-one-action (5) # Looking for regexp "\(\(\(?:Store key in cache\? (y/\|Update cached key\? (y/n, Return cancels connectio\)n)\)\s-*\)\'" from remote shell
11:26:10.988336 tramp-process-one-action (5) # Looking for regexp "\(\(TERM = (.*)\|Terminal type\? \[.*\]\)\s-*\)\'" from remote shell
11:26:10.988659 tramp-process-one-action (5) # Looking for regexp "\(\)\'" from remote shell
11:26:10.988971 tramp-process-one-action (5) # Call `tramp-action-process-alive'
11:26:11.480890 tramp-process-one-action (5) # Looking for regexp "\(.*ogin\( .*\)?: *\)\'" from remote shell
11:26:11.481811 tramp-process-one-action (5) # Looking for regexp "\(^.*\([pP]assword\|[pP]assphrase\).*:? *\)\'" from remote shell
11:26:11.482178 tramp-process-one-action (5) # Call `tramp-action-password'
11:26:11.482521 tramp-action-password (3) # Sending password
11:26:15.021031 tramp-process-one-action (5) # Looking for regexp "\(^.*\(Connection \(?:\(?:clo\|refu\)sed\)\|Host key verification failed\.\|Login \(?:[Ii]ncorrect\)\|N\(?:ame or service not known\|o supported authentication methods left to try!\)\|Permission denied\|\(?:Sorry, try again\|Timeout, server not responding\)\.\).*\|^.*\(Received signal [0-9]+\).*\)\'" from remote shell
11:26:15.021556 tramp-process-one-action (5) # Looking for regexp "\(^[^#$%>
]*[#$%>] *\)\'" from remote shell
11:26:15.021911 tramp-process-one-action (5) # Looking for regexp "\(\(?:^\|\)[^]#$%>
]*#?[]#$%>] *\(\[[0-9;]*[a-zA-Z] *\)*\)\'" from remote shell
11:26:15.022255 tramp-process-one-action (5) # Looking for regexp "\(\(Are you sure you want to continue connecting (yes/no)\?\)\s-*\)\'" from remote shell
11:26:15.022586 tramp-process-one-action (5) # Looking for regexp "\(\(\(?:Store key in cache\? (y/\|Update cached key\? (y/n, Return cancels connectio\)n)\)\s-*\)\'" from remote shell
11:26:15.022920 tramp-process-one-action (5) # Looking for regexp "\(\(TERM = (.*)\|Terminal type\? \[.*\]\)\s-*\)\'" from remote shell
11:26:15.023236 tramp-process-one-action (5) # Looking for regexp "\(\)\'" from remote shell
11:26:15.023545 tramp-process-one-action (5) # Call `tramp-action-process-alive'
11:26:15.024005 tramp-process-one-action (5) # Looking for regexp "\(.*ogin\( .*\)?: *\)\'" from remote shell
11:26:15.024520 tramp-process-one-action (5) # Looking for regexp "\(^.*\([pP]assword\|[pP]assphrase\).*:? *\)\'" from remote shell
11:26:15.025106 tramp-process-one-action (5) # Looking for regexp "\(^.*\(Connection \(?:\(?:clo\|refu\)sed\)\|Host key verification failed\.\|Login \(?:[Ii]ncorrect\)\|N\(?:ame or service not known\|o supported authentication methods left to try!\)\|Permission denied\|\(?:Sorry, try again\|Timeout, server not responding\)\.\).*\|^.*\(Received signal [0-9]+\).*\)\'" from remote shell
11:26:15.025579 tramp-process-one-action (5) # Looking for regexp "\(^[^#$%>
]*[#$%>] *\)\'" from remote shell
11:26:15.025899 tramp-process-one-action (5) # Looking for regexp "\(\(?:^\|\)[^]#$%>
]*#?[]#$%>] *\(\[[0-9;]*[a-zA-Z] *\)*\)\'" from remote shell
11:26:15.026208 tramp-process-one-action (5) # Looking for regexp "\(\(Are you sure you want to continue connecting (yes/no)\?\)\s-*\)\'" from remote shell
11:26:15.026518 tramp-process-one-action (5) # Looking for regexp "\(\(\(?:Store key in cache\? (y/\|Update cached key\? (y/n, Return cancels connectio\)n)\)\s-*\)\'" from remote shell
11:26:15.026825 tramp-process-one-action (5) # Looking for regexp "\(\(TERM = (.*)\|Terminal type\? \[.*\]\)\s-*\)\'" from remote shell
11:26:15.027122 tramp-process-one-action (5) # Looking for regexp "\(\)\'" from remote shell
11:26:15.027422 tramp-process-one-action (5) # Call `tramp-action-process-alive'
11:26:15.921017 tramp-process-one-action (5) # Looking for regexp "\(.*ogin\( .*\)?: *\)\'" from remote shell
11:26:15.921598 tramp-process-one-action (5) # Looking for regexp "\(^.*\([pP]assword\|[pP]assphrase\).*:? *\)\'" from remote shell
11:26:15.922128 tramp-process-one-action (5) # Looking for regexp "\(^.*\(Connection \(?:\(?:clo\|refu\)sed\)\|Host key verification failed\.\|Login \(?:[Ii]ncorrect\)\|N\(?:ame or service not known\|o supported authentication methods left to try!\)\|Permission denied\|\(?:Sorry, try again\|Timeout, server not responding\)\.\).*\|^.*\(Received signal [0-9]+\).*\)\'" from remote shell
11:26:15.922642 tramp-process-one-action (5) # Looking for regexp "\(^[^#$%>
]*[#$%>] *\)\'" from remote shell
11:26:15.923066 tramp-process-one-action (5) # Call `tramp-action-succeed'
11:26:15.923417 tramp-process-actions (6) # 
Welcome to DropBear SSH Server II!
root@192.168.0.24's password: 
Permission denied, please try again.
root@192.168.0.24's password: 
-sh-3.2# 
11:26:15.923775 tramp-maybe-open-connection (3) # Found remote shell prompt on `zte'
11:26:15.924110 tramp-open-shell (5) # Opening remote shell `/bin/sh'...
11:26:15.924616 tramp-send-command (6) # exec env ENV='' PROMPT_COMMAND='' PS1=\#\$\  PS2='' PS3='' /bin/sh 
11:26:16.113692 tramp-process-sentinel (5) # Sentinel called: `*tramp/ssh zte*' `exited abnormally with code 127
'
11:26:16.114385 tramp-wait-for-regexp (1) # File error: Process has died
11:26:16.114826 tramp-wait-for-regexp (5) # Opening remote shell `/bin/sh'...done
11:26:16.115136 tramp-wait-for-regexp (3) # Opening connection for zte using ssh...done
11:32:32.782304 tramp-maybe-open-connection (3) # Opening connection for zte using ssh...
11:32:32.784282 tramp-maybe-open-connection (6) # /bin/sh -i
11:32:32.787418 tramp-wait-for-regexp (6) # 
env: can't execute '/bin/sh': No such file or directory
Connection to 192.168.0.24 closed.
#$ 
11:32:32.789182 tramp-maybe-open-connection (3) # Sending command `exec ssh   -o ControlPath=/tmp/tramp.18704Gwf.%r@%h:%p -o ControlMaster=auto -o ControlPersist=no -e none zte'
11:32:32.789538 tramp-send-command (6) # exec ssh   -o ControlPath=/tmp/tramp.18704Gwf.%r@%h:%p -o ControlMaster=auto -o ControlPersist=no -e none zte
11:32:32.790353 tramp-process-actions (3) # Waiting for prompts from remote shell
11:32:33.791681 tramp-process-one-action (5) # Looking for regexp "\(.*ogin\( .*\)?: *\)\'" from remote shell
11:32:33.792253 tramp-process-one-action (5) # Looking for regexp "\(^.*\([pP]assword\|[pP]assphrase\).*:? *\)\'" from remote shell
11:32:33.792884 tramp-process-one-action (5) # Looking for regexp "\(^.*\(Connection \(?:\(?:clo\|refu\)sed\)\|Host key verification failed\.\|Login \(?:[Ii]ncorrect\)\|N\(?:ame or service not known\|o supported authentication methods left to try!\)\|Permission denied\|\(?:Sorry, try again\|Timeout, server not responding\)\.\).*\|^.*\(Received signal [0-9]+\).*\)\'" from remote shell
11:32:33.793440 tramp-process-one-action (5) # Looking for regexp "\(^[^#$%>
]*[#$%>] *\)\'" from remote shell
11:32:33.793892 tramp-process-one-action (5) # Looking for regexp "\(\(?:^\|\)[^]#$%>
]*#?[]#$%>] *\(\[[0-9;]*[a-zA-Z] *\)*\)\'" from remote shell
11:32:33.794220 tramp-process-one-action (5) # Looking for regexp "\(\(Are you sure you want to continue connecting (yes/no)\?\)\s-*\)\'" from remote shell
11:32:33.794527 tramp-process-one-action (5) # Looking for regexp "\(\(\(?:Store key in cache\? (y/\|Update cached key\? (y/n, Return cancels connectio\)n)\)\s-*\)\'" from remote shell
11:32:33.794835 tramp-process-one-action (5) # Looking for regexp "\(\(TERM = (.*)\|Terminal type\? \[.*\]\)\s-*\)\'" from remote shell
11:32:33.795132 tramp-process-one-action (5) # Looking for regexp "\(\)\'" from remote shell
11:32:33.795427 tramp-process-one-action (5) # Call `tramp-action-process-alive'
11:32:34.797081 tramp-process-one-action (5) # Looking for regexp "\(.*ogin\( .*\)?: *\)\'" from remote shell
11:32:34.797617 tramp-process-one-action (5) # Looking for regexp "\(^.*\([pP]assword\|[pP]assphrase\).*:? *\)\'" from remote shell
11:32:34.798099 tramp-process-one-action (5) # Looking for regexp "\(^.*\(Connection \(?:\(?:clo\|refu\)sed\)\|Host key verification failed\.\|Login \(?:[Ii]ncorrect\)\|N\(?:ame or service not known\|o supported authentication methods left to try!\)\|Permission denied\|\(?:Sorry, try again\|Timeout, server not responding\)\.\).*\|^.*\(Received signal [0-9]+\).*\)\'" from remote shell
11:32:34.798569 tramp-process-one-action (5) # Looking for regexp "\(^[^#$%>
]*[#$%>] *\)\'" from remote shell
11:32:34.799011 tramp-process-one-action (5) # Looking for regexp "\(\(?:^\|\)[^]#$%>
]*#?[]#$%>] *\(\[[0-9;]*[a-zA-Z] *\)*\)\'" from remote shell
11:32:34.799453 tramp-process-one-action (5) # Looking for regexp "\(\(Are you sure you want to continue connecting (yes/no)\?\)\s-*\)\'" from remote shell
11:32:34.799810 tramp-process-one-action (5) # Looking for regexp "\(\(\(?:Store key in cache\? (y/\|Update cached key\? (y/n, Return cancels connectio\)n)\)\s-*\)\'" from remote shell
11:32:34.800156 tramp-process-one-action (5) # Looking for regexp "\(\(TERM = (.*)\|Terminal type\? \[.*\]\)\s-*\)\'" from remote shell
11:32:34.800505 tramp-process-one-action (5) # Looking for regexp "\(\)\'" from remote shell
11:32:34.800793 tramp-process-one-action (5) # Call `tramp-action-process-alive'
11:32:35.741593 tramp-process-one-action (5) # Looking for regexp "\(.*ogin\( .*\)?: *\)\'" from remote shell
11:32:35.742096 tramp-process-one-action (5) # Looking for regexp "\(^.*\([pP]assword\|[pP]assphrase\).*:? *\)\'" from remote shell
11:32:35.742442 tramp-process-one-action (5) # Looking for regexp "\(^.*\(Connection \(?:\(?:clo\|refu\)sed\)\|Host key verification failed\.\|Login \(?:[Ii]ncorrect\)\|N\(?:ame or service not known\|o supported authentication methods left to try!\)\|Permission denied\|\(?:Sorry, try again\|Timeout, server not responding\)\.\).*\|^.*\(Received signal [0-9]+\).*\)\'" from remote shell
11:32:35.742813 tramp-process-one-action (5) # Looking for regexp "\(^[^#$%>
]*[#$%>] *\)\'" from remote shell
11:32:35.743121 tramp-process-one-action (5) # Looking for regexp "\(\(?:^\|\)[^]#$%>
]*#?[]#$%>] *\(\[[0-9;]*[a-zA-Z] *\)*\)\'" from remote shell
11:32:35.743448 tramp-process-one-action (5) # Looking for regexp "\(\(Are you sure you want to continue connecting (yes/no)\?\)\s-*\)\'" from remote shell
11:32:35.743748 tramp-process-one-action (5) # Looking for regexp "\(\(\(?:Store key in cache\? (y/\|Update cached key\? (y/n, Return cancels connectio\)n)\)\s-*\)\'" from remote shell
11:32:35.744046 tramp-process-one-action (5) # Looking for regexp "\(\(TERM = (.*)\|Terminal type\? \[.*\]\)\s-*\)\'" from remote shell
11:32:35.744331 tramp-process-one-action (5) # Looking for regexp "\(\)\'" from remote shell
11:32:35.744647 tramp-process-one-action (5) # Call `tramp-action-process-alive'
11:32:35.929807 tramp-process-one-action (5) # Looking for regexp "\(.*ogin\( .*\)?: *\)\'" from remote shell
11:32:35.930563 tramp-process-one-action (5) # Looking for regexp "\(^.*\([pP]assword\|[pP]assphrase\).*:? *\)\'" from remote shell
11:32:35.931080 tramp-process-one-action (5) # Call `tramp-action-password'
11:32:35.931537 tramp-action-password (3) # Sending password
11:32:35.932666 tramp-process-one-action (5) # Looking for regexp "\(^.*\(Connection \(?:\(?:clo\|refu\)sed\)\|Host key verification failed\.\|Login \(?:[Ii]ncorrect\)\|N\(?:ame or service not known\|o supported authentication methods left to try!\)\|Permission denied\|\(?:Sorry, try again\|Timeout, server not responding\)\.\).*\|^.*\(Received signal [0-9]+\).*\)\'" from remote shell
11:32:35.933083 tramp-process-one-action (5) # Looking for regexp "\(^[^#$%>
]*[#$%>] *\)\'" from remote shell
11:32:35.933395 tramp-process-one-action (5) # Looking for regexp "\(\(?:^\|\)[^]#$%>
]*#?[]#$%>] *\(\[[0-9;]*[a-zA-Z] *\)*\)\'" from remote shell
11:32:35.933718 tramp-process-one-action (5) # Looking for regexp "\(\(Are you sure you want to continue connecting (yes/no)\?\)\s-*\)\'" from remote shell
11:32:35.934038 tramp-process-one-action (5) # Looking for regexp "\(\(\(?:Store key in cache\? (y/\|Update cached key\? (y/n, Return cancels connectio\)n)\)\s-*\)\'" from remote shell
11:32:35.934348 tramp-process-one-action (5) # Looking for regexp "\(\(TERM = (.*)\|Terminal type\? \[.*\]\)\s-*\)\'" from remote shell
11:32:35.934648 tramp-process-one-action (5) # Looking for regexp "\(\)\'" from remote shell
11:32:35.934944 tramp-process-one-action (5) # Call `tramp-action-process-alive'
11:32:35.935376 tramp-process-one-action (5) # Looking for regexp "\(.*ogin\( .*\)?: *\)\'" from remote shell
11:32:35.935693 tramp-process-one-action (5) # Looking for regexp "\(^.*\([pP]assword\|[pP]assphrase\).*:? *\)\'" from remote shell
11:32:35.936022 tramp-process-one-action (5) # Looking for regexp "\(^.*\(Connection \(?:\(?:clo\|refu\)sed\)\|Host key verification failed\.\|Login \(?:[Ii]ncorrect\)\|N\(?:ame or service not known\|o supported authentication methods left to try!\)\|Permission denied\|\(?:Sorry, try again\|Timeout, server not responding\)\.\).*\|^.*\(Received signal [0-9]+\).*\)\'" from remote shell
11:32:35.936358 tramp-process-one-action (5) # Looking for regexp "\(^[^#$%>
]*[#$%>] *\)\'" from remote shell
11:32:35.936686 tramp-process-one-action (5) # Looking for regexp "\(\(?:^\|\)[^]#$%>
]*#?[]#$%>] *\(\[[0-9;]*[a-zA-Z] *\)*\)\'" from remote shell
11:32:35.936983 tramp-process-one-action (5) # Looking for regexp "\(\(Are you sure you want to continue connecting (yes/no)\?\)\s-*\)\'" from remote shell
11:32:35.937277 tramp-process-one-action (5) # Looking for regexp "\(\(\(?:Store key in cache\? (y/\|Update cached key\? (y/n, Return cancels connectio\)n)\)\s-*\)\'" from remote shell
11:32:35.937573 tramp-process-one-action (5) # Looking for regexp "\(\(TERM = (.*)\|Terminal type\? \[.*\]\)\s-*\)\'" from remote shell
11:32:35.937864 tramp-process-one-action (5) # Looking for regexp "\(\)\'" from remote shell
11:32:35.938147 tramp-process-one-action (5) # Call `tramp-action-process-alive'
11:32:36.432789 tramp-process-one-action (5) # Looking for regexp "\(.*ogin\( .*\)?: *\)\'" from remote shell
11:32:36.433584 tramp-process-one-action (5) # Looking for regexp "\(^.*\([pP]assword\|[pP]assphrase\).*:? *\)\'" from remote shell
11:32:36.434059 tramp-process-one-action (5) # Call `tramp-action-password'
11:32:36.434408 tramp-action-password (3) # Sending password
11:32:39.711657 tramp-process-one-action (5) # Looking for regexp "\(^.*\(Connection \(?:\(?:clo\|refu\)sed\)\|Host key verification failed\.\|Login \(?:[Ii]ncorrect\)\|N\(?:ame or service not known\|o supported authentication methods left to try!\)\|Permission denied\|\(?:Sorry, try again\|Timeout, server not responding\)\.\).*\|^.*\(Received signal [0-9]+\).*\)\'" from remote shell
11:32:39.712143 tramp-process-one-action (5) # Looking for regexp "\(^[^#$%>
]*[#$%>] *\)\'" from remote shell
11:32:39.712521 tramp-process-one-action (5) # Looking for regexp "\(\(?:^\|\)[^]#$%>
]*#?[]#$%>] *\(\[[0-9;]*[a-zA-Z] *\)*\)\'" from remote shell
11:32:39.712860 tramp-process-one-action (5) # Looking for regexp "\(\(Are you sure you want to continue connecting (yes/no)\?\)\s-*\)\'" from remote shell
11:32:39.713199 tramp-process-one-action (5) # Looking for regexp "\(\(\(?:Store key in cache\? (y/\|Update cached key\? (y/n, Return cancels connectio\)n)\)\s-*\)\'" from remote shell
11:32:39.713520 tramp-process-one-action (5) # Looking for regexp "\(\(TERM = (.*)\|Terminal type\? \[.*\]\)\s-*\)\'" from remote shell
11:32:39.713823 tramp-process-one-action (5) # Looking for regexp "\(\)\'" from remote shell
11:32:39.714115 tramp-process-one-action (5) # Call `tramp-action-process-alive'
11:32:39.715018 tramp-process-one-action (5) # Looking for regexp "\(.*ogin\( .*\)?: *\)\'" from remote shell
11:32:39.715389 tramp-process-one-action (5) # Looking for regexp "\(^.*\([pP]assword\|[pP]assphrase\).*:? *\)\'" from remote shell
11:32:39.715825 tramp-process-one-action (5) # Looking for regexp "\(^.*\(Connection \(?:\(?:clo\|refu\)sed\)\|Host key verification failed\.\|Login \(?:[Ii]ncorrect\)\|N\(?:ame or service not known\|o supported authentication methods left to try!\)\|Permission denied\|\(?:Sorry, try again\|Timeout, server not responding\)\.\).*\|^.*\(Received signal [0-9]+\).*\)\'" from remote shell
11:32:39.716164 tramp-process-one-action (5) # Looking for regexp "\(^[^#$%>
]*[#$%>] *\)\'" from remote shell
11:32:39.716503 tramp-process-one-action (5) # Looking for regexp "\(\(?:^\|\)[^]#$%>
]*#?[]#$%>] *\(\[[0-9;]*[a-zA-Z] *\)*\)\'" from remote shell
11:32:39.716806 tramp-process-one-action (5) # Looking for regexp "\(\(Are you sure you want to continue connecting (yes/no)\?\)\s-*\)\'" from remote shell
11:32:39.717102 tramp-process-one-action (5) # Looking for regexp "\(\(\(?:Store key in cache\? (y/\|Update cached key\? (y/n, Return cancels connectio\)n)\)\s-*\)\'" from remote shell
11:32:39.717401 tramp-process-one-action (5) # Looking for regexp "\(\(TERM = (.*)\|Terminal type\? \[.*\]\)\s-*\)\'" from remote shell
11:32:39.717693 tramp-process-one-action (5) # Looking for regexp "\(\)\'" from remote shell
11:32:39.717977 tramp-process-one-action (5) # Call `tramp-action-process-alive'
11:32:40.502221 tramp-process-one-action (5) # Looking for regexp "\(.*ogin\( .*\)?: *\)\'" from remote shell
11:32:40.502632 tramp-process-one-action (5) # Looking for regexp "\(^.*\([pP]assword\|[pP]assphrase\).*:? *\)\'" from remote shell
11:32:40.502966 tramp-process-one-action (5) # Looking for regexp "\(^.*\(Connection \(?:\(?:clo\|refu\)sed\)\|Host key verification failed\.\|Login \(?:[Ii]ncorrect\)\|N\(?:ame or service not known\|o supported authentication methods left to try!\)\|Permission denied\|\(?:Sorry, try again\|Timeout, server not responding\)\.\).*\|^.*\(Received signal [0-9]+\).*\)\'" from remote shell
11:32:40.503308 tramp-process-one-action (5) # Looking for regexp "\(^[^#$%>
]*[#$%>] *\)\'" from remote shell
11:32:40.503606 tramp-process-one-action (5) # Call `tramp-action-succeed'
11:32:40.503929 tramp-process-actions (6) # 
Welcome to DropBear SSH Server II!
root@192.168.0.24's password: 
Permission denied, please try again.
root@192.168.0.24's password: 
-sh-3.2# 
11:32:40.504273 tramp-maybe-open-connection (3) # Found remote shell prompt on `zte'
11:32:40.504660 tramp-open-shell (5) # Opening remote shell `/bin/sh'...
11:32:40.505086 tramp-send-command (6) # exec env ENV='' PROMPT_COMMAND='' PS1=\#\$\  PS2='' PS3='' /bin/sh 
11:32:40.745276 tramp-process-sentinel (5) # Sentinel called: `*tramp/ssh zte*' `exited abnormally with code 127
'
11:32:40.745978 tramp-wait-for-regexp (1) # File error: Process has died
11:32:40.746397 tramp-wait-for-regexp (5) # Opening remote shell `/bin/sh'...done
11:32:40.746698 tramp-wait-for-regexp (3) # Opening connection for zte using ssh...done
11:32:47.574809 tramp-get-test-command (5) # Finding a suitable `test' command
11:32:47.575492 tramp-maybe-open-connection (3) # Opening connection for zte using ssh...
11:32:47.577278 tramp-maybe-open-connection (6) # /bin/sh -i
11:32:47.579443 tramp-wait-for-regexp (6) # 
env: can't execute '/bin/sh': No such file or directory
Connection to 192.168.0.24 closed.
#$ 
11:32:47.581272 tramp-maybe-open-connection (3) # Sending command `exec ssh   -o ControlPath=/tmp/tramp.18704T6l.%r@%h:%p -o ControlMaster=auto -o ControlPersist=no -e none zte'
11:32:47.581629 tramp-send-command (6) # exec ssh   -o ControlPath=/tmp/tramp.18704T6l.%r@%h:%p -o ControlMaster=auto -o ControlPersist=no -e none zte
11:32:47.582455 tramp-process-actions (3) # Waiting for prompts from remote shell
11:32:48.583793 tramp-process-one-action (5) # Looking for regexp "\(.*ogin\( .*\)?: *\)\'" from remote shell
11:32:48.584375 tramp-process-one-action (5) # Looking for regexp "\(^.*\([pP]assword\|[pP]assphrase\).*:? *\)\'" from remote shell
11:32:48.585164 tramp-process-one-action (5) # Looking for regexp "\(^.*\(Connection \(?:\(?:clo\|refu\)sed\)\|Host key verification failed\.\|Login \(?:[Ii]ncorrect\)\|N\(?:ame or service not known\|o supported authentication methods left to try!\)\|Permission denied\|\(?:Sorry, try again\|Timeout, server not responding\)\.\).*\|^.*\(Received signal [0-9]+\).*\)\'" from remote shell
11:32:48.585717 tramp-process-one-action (5) # Looking for regexp "\(^[^#$%>
]*[#$%>] *\)\'" from remote shell
11:32:48.586041 tramp-process-one-action (5) # Looking for regexp "\(\(?:^\|\)[^]#$%>
]*#?[]#$%>] *\(\[[0-9;]*[a-zA-Z] *\)*\)\'" from remote shell
11:32:48.586358 tramp-process-one-action (5) # Looking for regexp "\(\(Are you sure you want to continue connecting (yes/no)\?\)\s-*\)\'" from remote shell
11:32:48.586670 tramp-process-one-action (5) # Looking for regexp "\(\(\(?:Store key in cache\? (y/\|Update cached key\? (y/n, Return cancels connectio\)n)\)\s-*\)\'" from remote shell
11:32:48.586980 tramp-process-one-action (5) # Looking for regexp "\(\(TERM = (.*)\|Terminal type\? \[.*\]\)\s-*\)\'" from remote shell
11:32:48.587299 tramp-process-one-action (5) # Looking for regexp "\(\)\'" from remote shell
11:32:48.587598 tramp-process-one-action (5) # Call `tramp-action-process-alive'
11:32:49.588834 tramp-process-one-action (5) # Looking for regexp "\(.*ogin\( .*\)?: *\)\'" from remote shell
11:32:49.589405 tramp-process-one-action (5) # Looking for regexp "\(^.*\([pP]assword\|[pP]assphrase\).*:? *\)\'" from remote shell
11:32:49.589905 tramp-process-one-action (5) # Looking for regexp "\(^.*\(Connection \(?:\(?:clo\|refu\)sed\)\|Host key verification failed\.\|Login \(?:[Ii]ncorrect\)\|N\(?:ame or service not known\|o supported authentication methods left to try!\)\|Permission denied\|\(?:Sorry, try again\|Timeout, server not responding\)\.\).*\|^.*\(Received signal [0-9]+\).*\)\'" from remote shell
11:32:49.590412 tramp-process-one-action (5) # Looking for regexp "\(^[^#$%>
]*[#$%>] *\)\'" from remote shell
11:32:49.590874 tramp-process-one-action (5) # Looking for regexp "\(\(?:^\|\)[^]#$%>
]*#?[]#$%>] *\(\[[0-9;]*[a-zA-Z] *\)*\)\'" from remote shell
11:32:49.591253 tramp-process-one-action (5) # Looking for regexp "\(\(Are you sure you want to continue connecting (yes/no)\?\)\s-*\)\'" from remote shell
11:32:49.591571 tramp-process-one-action (5) # Looking for regexp "\(\(\(?:Store key in cache\? (y/\|Update cached key\? (y/n, Return cancels connectio\)n)\)\s-*\)\'" from remote shell
11:32:49.591873 tramp-process-one-action (5) # Looking for regexp "\(\(TERM = (.*)\|Terminal type\? \[.*\]\)\s-*\)\'" from remote shell
11:32:49.592160 tramp-process-one-action (5) # Looking for regexp "\(\)\'" from remote shell
11:32:49.592499 tramp-process-one-action (5) # Call `tramp-action-process-alive'
11:32:50.085383 tramp-process-one-action (5) # Looking for regexp "\(.*ogin\( .*\)?: *\)\'" from remote shell
11:32:50.086188 tramp-process-one-action (5) # Looking for regexp "\(^.*\([pP]assword\|[pP]assphrase\).*:? *\)\'" from remote shell
11:32:50.086582 tramp-process-one-action (5) # Looking for regexp "\(^.*\(Connection \(?:\(?:clo\|refu\)sed\)\|Host key verification failed\.\|Login \(?:[Ii]ncorrect\)\|N\(?:ame or service not known\|o supported authentication methods left to try!\)\|Permission denied\|\(?:Sorry, try again\|Timeout, server not responding\)\.\).*\|^.*\(Received signal [0-9]+\).*\)\'" from remote shell
11:32:50.086974 tramp-process-one-action (5) # Looking for regexp "\(^[^#$%>
]*[#$%>] *\)\'" from remote shell
11:32:50.087331 tramp-process-one-action (5) # Looking for regexp "\(\(?:^\|\)[^]#$%>
]*#?[]#$%>] *\(\[[0-9;]*[a-zA-Z] *\)*\)\'" from remote shell
11:32:50.087667 tramp-process-one-action (5) # Looking for regexp "\(\(Are you sure you want to continue connecting (yes/no)\?\)\s-*\)\'" from remote shell
11:32:50.087986 tramp-process-one-action (5) # Looking for regexp "\(\(\(?:Store key in cache\? (y/\|Update cached key\? (y/n, Return cancels connectio\)n)\)\s-*\)\'" from remote shell
11:32:50.088299 tramp-process-one-action (5) # Looking for regexp "\(\(TERM = (.*)\|Terminal type\? \[.*\]\)\s-*\)\'" from remote shell
11:32:50.088703 tramp-process-one-action (5) # Looking for regexp "\(\)\'" from remote shell
11:32:50.089013 tramp-process-one-action (5) # Call `tramp-action-process-alive'
11:32:50.283008 tramp-process-one-action (5) # Looking for regexp "\(.*ogin\( .*\)?: *\)\'" from remote shell
11:32:50.283794 tramp-process-one-action (5) # Looking for regexp "\(^.*\([pP]assword\|[pP]assphrase\).*:? *\)\'" from remote shell
11:32:50.284301 tramp-process-one-action (5) # Call `tramp-action-password'
11:32:50.284748 tramp-action-password (3) # Sending password
11:32:50.285818 tramp-process-one-action (5) # Looking for regexp "\(^.*\(Connection \(?:\(?:clo\|refu\)sed\)\|Host key verification failed\.\|Login \(?:[Ii]ncorrect\)\|N\(?:ame or service not known\|o supported authentication methods left to try!\)\|Permission denied\|\(?:Sorry, try again\|Timeout, server not responding\)\.\).*\|^.*\(Received signal [0-9]+\).*\)\'" from remote shell
11:32:50.286239 tramp-process-one-action (5) # Looking for regexp "\(^[^#$%>
]*[#$%>] *\)\'" from remote shell
11:32:50.286559 tramp-process-one-action (5) # Looking for regexp "\(\(?:^\|\)[^]#$%>
]*#?[]#$%>] *\(\[[0-9;]*[a-zA-Z] *\)*\)\'" from remote shell
11:32:50.286890 tramp-process-one-action (5) # Looking for regexp "\(\(Are you sure you want to continue connecting (yes/no)\?\)\s-*\)\'" from remote shell
11:32:50.287223 tramp-process-one-action (5) # Looking for regexp "\(\(\(?:Store key in cache\? (y/\|Update cached key\? (y/n, Return cancels connectio\)n)\)\s-*\)\'" from remote shell
11:32:50.287547 tramp-process-one-action (5) # Looking for regexp "\(\(TERM = (.*)\|Terminal type\? \[.*\]\)\s-*\)\'" from remote shell
11:32:50.287856 tramp-process-one-action (5) # Looking for regexp "\(\)\'" from remote shell
11:32:50.288159 tramp-process-one-action (5) # Call `tramp-action-process-alive'
11:32:50.288638 tramp-process-one-action (5) # Looking for regexp "\(.*ogin\( .*\)?: *\)\'" from remote shell
11:32:50.288971 tramp-process-one-action (5) # Looking for regexp "\(^.*\([pP]assword\|[pP]assphrase\).*:? *\)\'" from remote shell
11:32:50.289315 tramp-process-one-action (5) # Looking for regexp "\(^.*\(Connection \(?:\(?:clo\|refu\)sed\)\|Host key verification failed\.\|Login \(?:[Ii]ncorrect\)\|N\(?:ame or service not known\|o supported authentication methods left to try!\)\|Permission denied\|\(?:Sorry, try again\|Timeout, server not responding\)\.\).*\|^.*\(Received signal [0-9]+\).*\)\'" from remote shell
11:32:50.289649 tramp-process-one-action (5) # Looking for regexp "\(^[^#$%>
]*[#$%>] *\)\'" from remote shell
11:32:50.289962 tramp-process-one-action (5) # Looking for regexp "\(\(?:^\|\)[^]#$%>
]*#?[]#$%>] *\(\[[0-9;]*[a-zA-Z] *\)*\)\'" from remote shell
11:32:50.290269 tramp-process-one-action (5) # Looking for regexp "\(\(Are you sure you want to continue connecting (yes/no)\?\)\s-*\)\'" from remote shell
11:32:50.290578 tramp-process-one-action (5) # Looking for regexp "\(\(\(?:Store key in cache\? (y/\|Update cached key\? (y/n, Return cancels connectio\)n)\)\s-*\)\'" from remote shell
11:32:50.290886 tramp-process-one-action (5) # Looking for regexp "\(\(TERM = (.*)\|Terminal type\? \[.*\]\)\s-*\)\'" from remote shell
11:32:50.291189 tramp-process-one-action (5) # Looking for regexp "\(\)\'" from remote shell
11:32:50.291482 tramp-process-one-action (5) # Call `tramp-action-process-alive'
11:32:50.817534 tramp-process-one-action (5) # Looking for regexp "\(.*ogin\( .*\)?: *\)\'" from remote shell
11:32:50.818348 tramp-process-one-action (5) # Looking for regexp "\(^.*\([pP]assword\|[pP]assphrase\).*:? *\)\'" from remote shell
11:32:50.818876 tramp-process-one-action (5) # Call `tramp-action-password'
11:32:50.819275 tramp-action-password (3) # Sending password
11:32:54.579579 tramp-process-one-action (5) # Looking for regexp "\(^.*\(Connection \(?:\(?:clo\|refu\)sed\)\|Host key verification failed\.\|Login \(?:[Ii]ncorrect\)\|N\(?:ame or service not known\|o supported authentication methods left to try!\)\|Permission denied\|\(?:Sorry, try again\|Timeout, server not responding\)\.\).*\|^.*\(Received signal [0-9]+\).*\)\'" from remote shell
11:32:54.580098 tramp-process-one-action (5) # Looking for regexp "\(^[^#$%>
]*[#$%>] *\)\'" from remote shell
11:32:54.580550 tramp-process-one-action (5) # Looking for regexp "\(\(?:^\|\)[^]#$%>
]*#?[]#$%>] *\(\[[0-9;]*[a-zA-Z] *\)*\)\'" from remote shell
11:32:54.580918 tramp-process-one-action (5) # Looking for regexp "\(\(Are you sure you want to continue connecting (yes/no)\?\)\s-*\)\'" from remote shell
11:32:54.581252 tramp-process-one-action (5) # Looking for regexp "\(\(\(?:Store key in cache\? (y/\|Update cached key\? (y/n, Return cancels connectio\)n)\)\s-*\)\'" from remote shell
11:32:54.581587 tramp-process-one-action (5) # Looking for regexp "\(\(TERM = (.*)\|Terminal type\? \[.*\]\)\s-*\)\'" from remote shell
11:32:54.581904 tramp-process-one-action (5) # Looking for regexp "\(\)\'" from remote shell
11:32:54.582214 tramp-process-one-action (5) # Call `tramp-action-process-alive'
11:32:54.582661 tramp-process-one-action (5) # Looking for regexp "\(.*ogin\( .*\)?: *\)\'" from remote shell
11:32:54.582995 tramp-process-one-action (5) # Looking for regexp "\(^.*\([pP]assword\|[pP]assphrase\).*:? *\)\'" from remote shell
11:32:54.583343 tramp-process-one-action (5) # Looking for regexp "\(^.*\(Connection \(?:\(?:clo\|refu\)sed\)\|Host key verification failed\.\|Login \(?:[Ii]ncorrect\)\|N\(?:ame or service not known\|o supported authentication methods left to try!\)\|Permission denied\|\(?:Sorry, try again\|Timeout, server not responding\)\.\).*\|^.*\(Received signal [0-9]+\).*\)\'" from remote shell
11:32:54.583697 tramp-process-one-action (5) # Looking for regexp "\(^[^#$%>
]*[#$%>] *\)\'" from remote shell
11:32:54.584006 tramp-process-one-action (5) # Looking for regexp "\(\(?:^\|\)[^]#$%>
]*#?[]#$%>] *\(\[[0-9;]*[a-zA-Z] *\)*\)\'" from remote shell
11:32:54.584317 tramp-process-one-action (5) # Looking for regexp "\(\(Are you sure you want to continue connecting (yes/no)\?\)\s-*\)\'" from remote shell
11:32:54.584655 tramp-process-one-action (5) # Looking for regexp "\(\(\(?:Store key in cache\? (y/\|Update cached key\? (y/n, Return cancels connectio\)n)\)\s-*\)\'" from remote shell
11:32:54.584967 tramp-process-one-action (5) # Looking for regexp "\(\(TERM = (.*)\|Terminal type\? \[.*\]\)\s-*\)\'" from remote shell
11:32:54.585269 tramp-process-one-action (5) # Looking for regexp "\(\)\'" from remote shell
11:32:54.585567 tramp-process-one-action (5) # Call `tramp-action-process-alive'
11:32:55.445108 tramp-process-one-action (5) # Looking for regexp "\(.*ogin\( .*\)?: *\)\'" from remote shell
11:32:55.445692 tramp-process-one-action (5) # Looking for regexp "\(^.*\([pP]assword\|[pP]assphrase\).*:? *\)\'" from remote shell
11:32:55.446211 tramp-process-one-action (5) # Looking for regexp "\(^.*\(Connection \(?:\(?:clo\|refu\)sed\)\|Host key verification failed\.\|Login \(?:[Ii]ncorrect\)\|N\(?:ame or service not known\|o supported authentication methods left to try!\)\|Permission denied\|\(?:Sorry, try again\|Timeout, server not responding\)\.\).*\|^.*\(Received signal [0-9]+\).*\)\'" from remote shell
11:32:55.446718 tramp-process-one-action (5) # Looking for regexp "\(^[^#$%>
]*[#$%>] *\)\'" from remote shell
11:32:55.447054 tramp-process-one-action (5) # Call `tramp-action-succeed'
11:32:55.447397 tramp-process-actions (6) # 
Welcome to DropBear SSH Server II!
root@192.168.0.24's password: 
Permission denied, please try again.
root@192.168.0.24's password: 
-sh-3.2# 
11:32:55.447786 tramp-maybe-open-connection (3) # Found remote shell prompt on `zte'
11:32:55.448125 tramp-open-shell (5) # Opening remote shell `/bin/sh'...
11:32:55.448604 tramp-send-command (6) # exec env ENV='' PROMPT_COMMAND='' PS1=\#\$\  PS2='' PS3='' /bin/sh 
11:32:55.699619 tramp-process-sentinel (5) # Sentinel called: `*tramp/ssh zte*' `exited abnormally with code 127
'
11:32:55.700735 tramp-wait-for-regexp (1) # File error: Process has died
11:32:55.701319 tramp-wait-for-regexp (5) # Opening remote shell `/bin/sh'...done
11:32:55.701642 tramp-wait-for-regexp (3) # Opening connection for zte
using ssh...done
--8<---------------cut here---------------end--------------->8---

BTW 'scpc' method is no more working (hanging forever in host completion) connecting on another machine on my
LAN (not a mobile device).

Thanks.

-- 
Thierry
Get my Gnupg key:
gpg --keyserver pgp.mit.edu --recv-keys 59F29997