Mailing List Archive: Openswan and Xen DomainU

While trying to configure Openswan, using L2TP, I kept encountering
the following error message during authentication:
May 6 10:06:28 linux002 l2tpd[2654]: getPtyMaster: No more free pseudo-tty's
May 6 10:06:28 linux002 l2tpd[2654]: start_pppd: unable to allocate
pty, abandoning!
May 6 10:06:28 linux002 l2tpd[2654]: control_finish: Call established
with 192.168.4.129, Local: 24770, Remote: 1, Serial: 0
May 6 10:06:28 linux002 l2tpd[2654]: write_packet: tty is not open yet.
May 6 10:06:28 linux002 l2tpd[2654]: write_packet: tty is not open yet.
May 6 10:06:28 linux002 l2tpd[2654]: write_packet: tty is not open yet.

Googling the "getPtyMaster: No more free pseudo-tty's" message reveals
that I need to configure "Legacy (BSD) PTY support" under "device
drivers/character devices" in my kernel config. However, the
configuration for DomainU does not make character devices available
under device drivers (Domain0 does though).

Is there a way to do this? I was unable to find patches for the otehr
programs to work around this, leaving me with Xen-domainU as my
problem.

Xen: 2.0.5
Kernel Source: 2.6.10
No patches other than Xen

--
Kenneth Power

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As a temporary workaround, use the xen0 kernel as your domU kernel. It's
perfectly secure and should give you what you need.

We may need to fiddle the configuration a bit to make this possible in a domU
kernel...

Cheers,
Mark

On Friday 06 May 2005 17:00, Kenneth Power wrote:
> While trying to configure Openswan, using L2TP, I kept encountering
> the following error message during authentication:
> May 6 10:06:28 linux002 l2tpd[2654]: getPtyMaster: No more free
> pseudo-tty's May 6 10:06:28 linux002 l2tpd[2654]: start_pppd: unable to
> allocate pty, abandoning!
> May 6 10:06:28 linux002 l2tpd[2654]: control_finish: Call established
> with 192.168.4.129, Local: 24770, Remote: 1, Serial: 0
> May 6 10:06:28 linux002 l2tpd[2654]: write_packet: tty is not open yet.
> May 6 10:06:28 linux002 l2tpd[2654]: write_packet: tty is not open yet.
> May 6 10:06:28 linux002 l2tpd[2654]: write_packet: tty is not open yet.
>
> Googling the "getPtyMaster: No more free pseudo-tty's" message reveals
> that I need to configure "Legacy (BSD) PTY support" under "device
> drivers/character devices" in my kernel config. However, the
> configuration for DomainU does not make character devices available
> under device drivers (Domain0 does though).
>
> Is there a way to do this? I was unable to find patches for the otehr
> programs to work around this, leaving me with Xen-domainU as my
> problem.
>
> Xen: 2.0.5
> Kernel Source: 2.6.10
> No patches other than Xen

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