[Bug 395678] [NEW] tcp connections fail with linux 2.6.31-1-server on x86-64

[Aaron Howell]

Public bug reported:

Binary package hint: vpnc

As of Linux 2.6.31-1-server, tcp connections fail to establish to sites inside the vpn.
in 2.6.30 and prior, everything works as expected.
Now, the connection just hangs, although I can ping and traceroute to the effected hosts and the traces show the correct path.
I was also able to reliably reproduce kernel oopses when trying to make connections, which seemed to disable the network stack,
however when I loaded netconsole to try to gather this information, the oopses stopped happeneing, and as I have no sight, I can't read them directly off the console.

ProblemType: Bug
Architecture: amd64
Date: Sun Jul  5 14:29:23 2009
DistroRelease: Ubuntu 9.10
Package: vpnc 0.5.3-1
ProcEnviron:
 SHELL=/bin/bash
 LANG=en_AU.UTF-8
ProcVersionSignature: Ubuntu 2.6.31-1.14-server
SourcePackage: vpnc
Uname: Linux 2.6.31-1-server x86_64

** Affects: vpnc (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug

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tcp connections fail with linux 2.6.31-1-server on x86-64
https://bugs.launchpad.net/bugs/395678
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