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-   -   ssh-to-rawhide hangs (uninterruptible) for 2 minutes, then fails (http://www.linux-archive.org/fedora-development/574011-ssh-rawhide-hangs-uninterruptible-2-minutes-then-fails.html)

Jim Meyering 09-10-2011 07:28 PM

ssh-to-rawhide hangs (uninterruptible) for 2 minutes, then fails
 
I cannot ssh to my rawhide VM today:

$ date; ssh r; date
Sat 2011-09-10 19:55:35 +0200
Write failed: Broken pipe
Sat 2011-09-10 19:57:35 +0200

Note the two-minute delay.
I was unable to interrupt it, nor suspend. Very annoying.

Using the console, I see nothing in /var/log/messages
or /var/log/audit/*.

The above was using an agent.
The same thing happens without, but only after authentication.

If I repeat the above with -v, it always hangs right after
"Entering interactive session.":

debug3: sign_and_send_pubkey: ---
debug1: Enabling compression at level 6.
debug1: Authentication succeeded (publickey).
Authenticated to r ([192.168.122.3]:22).
debug1: setting up multiplex master socket
debug2: fd 4 setting O_NONBLOCK
debug3: fd 4 is O_NONBLOCK
debug3: fd 4 is O_NONBLOCK
debug1: channel 0: new [/h/j/.ssh/sockets/22-r]
debug3: muxserver_listen: mux listener channel 0 fd 4
debug1: channel 1: new [client-session]
debug3: ssh_session2_open: channel_new: 1
debug2: channel 1: send open
debug1: Entering interactive session.

Just in case, I turned off compression via the client and retried.
Same result, but without the "Enabling compression..." line.

Next step was to turn off SELinux enforcing, just in case.
That didn't make a difference.

Then I turned on debugging with LogLevel DEBUG3, restarted sshd and
repeated the experiment. Nothing obviously suspicious there, at least
not to my untrained eye.

This is with openssh-5.9p1-2.fc17.x86_64 (same for -server).

Filed as http://bugzilla.redhat.com/737295

Is anyone else seeing this?
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darrell pfeifer 09-10-2011 07:34 PM

ssh-to-rawhide hangs (uninterruptible) for 2 minutes, then fails
 
Jim,
Fails for me too, with the same error.
darrell

On Sat, Sep 10, 2011 at 12:28, Jim Meyering <jim@meyering.net> wrote:

I cannot ssh to my rawhide VM today:



* *$ date; ssh r; date

* *Sat 2011-09-10 19:55:35 +0200

* *Write failed: Broken pipe

* *Sat 2011-09-10 19:57:35 +0200



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Kevin Fenzi 09-10-2011 07:40 PM

ssh-to-rawhide hangs (uninterruptible) for 2 minutes, then fails
 
See:

https://bugzilla.redhat.com/show_bug.cgi?id=735970

Seems to just be broken in the 5.9 series. ;(

Hopefully it gets fixed up soon.

kevin
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Jim Meyering 09-10-2011 08:01 PM

ssh-to-rawhide hangs (uninterruptible) for 2 minutes, then fails
 
Kevin Fenzi wrote:
> See:
>
> https://bugzilla.redhat.com/show_bug.cgi?id=735970
>
> Seems to just be broken in the 5.9 series. ;(

Thanks. I've marked mine as a duplicate of that one.
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