SSH session will not create a shell

Output of ssh -vT
OpenSSH_5.3p1, OpenSSL 1.0.1e-fips 11 Feb 2013
debug1: Reading configuration data /root/.ssh/config
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Applying options for *
debug1: Connecting to somehost [xx.xxx.xx.xxx] port 22.
debug1: Connection established.
debug1: permanently_set_uid: 0/0
debug1: identity file /root/.ssh/id_rsa type 1
debug1: identity file /root/.ssh/id_rsa-cert type -1
debug1: identity file /root/.ssh/id_dsa type -1
debug1: identity file /root/.ssh/id_dsa-cert type -1
debug1: Remote protocol version 2.0, remote software version OpenSSH_5.3
debug1: match: OpenSSH_5.3 pat OpenSSH*
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_5.3
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: server->client aes256-ctr hmac-sha2-512 none
debug1: kex: client->server aes256-ctr hmac-sha2-512 none
debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(102440968192) sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP
debug1: SSH2_MSG_KEX_DH_GEX_INIT sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY
debug1: Host 'somehost' is known and matches the RSA host key.
debug1: Found key in /root/.ssh/known_hosts:203
debug1: ssh_rsa_verify: signature correct
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug1: SSH2_MSG_NEWKEYS received
debug1: SSH2_MSG_SERVICE_REQUEST sent
debug1: SSH2_MSG_SERVICE_ACCEPT received
|-----------------------------------------------------------------|
| This computer system and any networks that it may be connected  |
| to are for use only by authorised personnel. All use of this    |
| computer system and any attached devices or networks may be     |
| monitored or recorded for security purposes. Such monitoring    |
| may result in the acquisition, recording and analysis of all    |
| data being communicated, transmitted, processed or stored in    |
| this system by a user.  Use of this system is expressed consent |
| to such monitoring and recording.  Any unauthorized access or   |
| use of this system is prohibited and could be subject to legal  |
| and/or administrative action.                                   |
|-----------------------------------------------------------------|
debug1: Authentications that can continue: publickey,password
debug1: Next authentication method: publickey
debug1: Offering public key: /root/.ssh/id_rsa
debug1: Server accepts key: pkalg ssh-rsa blen 277
debug1: read PEM private key done: type RSA
debug1: Authentication succeeded (publickey).
debug1: channel 0: new [client-session]
debug1: Requesting no-more-sessions@openssh.com
debug1: Entering interactive session.
debug1: Sending environment.
debug1: Sending env LANG = en_US.UTF-8
--- Hang point for close to an hour --->
debug1: channel 0: free: client-session, nchannels 1
Connection to somehost closed by remote host.
Transferred: sent 2304, received 3288 bytes, in 3600.1 seconds
Bytes per second: sent 0.6, received 0.9
debug1: Exit status -1