[Bug 1074659] Re: ssh hangs if pm-hibernate ran on server

[Robie Basak]

Thank you for taking the time to report this bug and helping to make
Ubuntu better.

Please could you confirm how long you've waited for the client to time
out, and whether you have tried to send any data from the client or if
you are expecting it to time out on its own?

ssh_config(5) indicates that by default TCP keepalives are enabled, and
on my system it looks like Linux won't default to timing out on TCP
keepalives for at least two hours and eleven minutes
(tcp_keepalive_time=7200, tcp_keepalive_intvl=75,
tcp_keepalive_probes=9). Have you waited this long?

Additionally, are you aware of the ServerAliveInterval (and/or
ClientAliveInterval on the server side) option?

Please could you also clarify if the bug that you are reporting is that
you want the default timeout options changed, the timeout tuning options
don't work, or something else?

** Changed in: openssh (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1074659

Title:
  ssh hangs if pm-hibernate ran on server

Status in “openssh” package in Ubuntu:
  Incomplete

Bug description:
  If pm-hibernate is ran on an OpenSSH server machine, the ssh client
  app never times out, and has to be killed. Not sure if pm-tools is to
  blame here, but the ssh client should be timing out.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: openssh-client 1:5.9p1-5ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-32.51-generic 3.2.30
  Uname: Linux 3.2.0-32-generic x86_64
  NonfreeKernelModules: fglrx wl
  ApportVersion: 2.0.1-0ubuntu14
  Architecture: amd64
  Date: Sat Nov  3 14:16:23 2012
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
  ProcEnviron:
   LANGUAGE=en_GB:en
   TERM=xterm
   PATH=(custom, user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  RelatedPackageVersions:
   ssh-askpass       N/A
   libpam-ssh        N/A
   keychain          N/A
   ssh-askpass-gnome 1:5.9p1-5ubuntu1
  SSHClientVersion: OpenSSH_5.9p1 Debian-5ubuntu1, OpenSSL 1.0.1 14 Mar 2012
  SourcePackage: openssh
  UpgradeStatus: No upgrade log present (probably fresh install)

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