I don't know why this was closed for inactivity. I provided the
information I was asked for, so this hould not have remnained in the
Incomplete state in the first place.
I can still reproduce this, systematically, and I have observed it on
several machines and with several servers (with different linux
distributions and from different hosting providers). So I'm going to
change this to "confirmed".
There is one thing worth noting, though: this seems to happen when the client
is connected via WIFI (to a LAN connected to the Internet, of course), but not
when connected via an ethernet cable.
So, I guess this may be triggered by a network connection issue, not by the
server closing the connection?
In ANY case, the client should show a meaningful error message and quit, if the
connection really is broken: not doing so is a bug for sure; and it doesn't
seem there's a good reason for it breaking in the first place, either.
@zulcss please could you try if you can reproduce it when connected via
wifi?
** Changed in: openssh (Ubuntu)
Status: Expired => Confirmed
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https://bugs.launchpad.net/bugs/790774
Title:
ssh hangs after inactivity (maybe when connection is lost)
Status in openssh package in Ubuntu:
Confirmed
Bug description:
Steps to reproduce:
1. Open a terminal
2. Write:
ssh u...@myhost.com
where myhost.com is some host where you have ssh access and user is the user
name
3. Enter the password when prompted
4. Wait for several minutes or hours without doing anything
5. try to type something
Expected: either the connection is still alive, in which case you
should be able to type, see what you type, and do things while logged
on the remote machine, OR the connection has been closed due to
inactivity, in which case ssh should show a message and gracefully
quit.
Observed: ssh hangs; No message is shown; the remote machine's
"prompt" is still shown and the cursor still blinks, but you are
unable to type anything. You can't even quit ssh (typing "exit" has no
effect) and return to normal local terminal operation. The only way
out is to close the terminal (or open another one and kill the ssh
process)
I guess this happens when the connection with the server is lost,
probably closed by the server due to inactivity; however the client
should detect this and gracefully exit.
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: ssh (not installed)
ProcVersionSignature: Ubuntu 2.6.32-31.61-generic 2.6.32.32+drm33.14
Uname: Linux 2.6.32-31-generic i686
NonfreeKernelModules: nvidia
Architecture: i386
Date: Tue May 31 18:04:56 2011
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
ProcEnviron:
PATH=(custom, no user)
LANG=en_US.utf8
SHELL=/bin/bash
SourcePackage: openssh
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