[pptp-server] pptpd on 2.4.1 kernel

robert berzerke at swbell.net
Wed Mar 7 09:43:44 CST 2001


Yes, it does work with 2.4.1 kernel (and 2.4.2; I tested it yesterday).  I 
have written a howto on pptpd and the 2.4 kernel series.  It is at 
http://home.swbell.net/berzerke/2.4_Kernel_PPTPD-HOWTO.txt (mirroring 
permitted and encouraged).

As a quick answer, it looks like your modules.conf needs updating.

alias char-major-108 ppp_generic
alias tty-ldisc-3 ppp_async
alias tty-ldisc-14 ppp_synctty

alias ppp-compress-18 ppp_mppe
alias ppp-compress-21 bsd_comp
alias ppp-compress-24 ppp_deflate
alias ppp-compress-26 ppp_deflate

But see the howto for complete instructions.  You may have other problems as 
well.

On Wednesday 07 March 2001 02:17, Nicolas Jouanin wrote:
> Hi,
>
> Is pptpd compatible with 2.4.1 kernel ?
> I used previously on a 2.2.x kernel without any problems, but now I get the
> following messages in syslog:
>
> ---------------------------------------------------------------------------
>- ---------------
> Mar  6 17:03:06 onyx pptpd[7136]: CTRL: Starting call (launching pppd,
> opening GRE)
> Mar  6 17:03:06 onyx modprobe: modprobe: Can't locate module char-major-108
> Mar  6 17:03:06 onyx modprobe: modprobe: Can't locate module ppp0
> Mar  6 17:03:06 onyx modprobe: modprobe: Can't locate module tty-ldisc-3
> Mar  6 17:03:06 onyx pppd[7137]: ioctl(TIOCSETD(PPP)): Invalid argument(22)
> Mar  6 17:03:06 onyx pptpd[7136]: GRE: read(fd=4,buffer=804da00,len=8196)
> from PTY failed: status = -1 error = Input/output error
> Mar  6 17:03:06 onyx pptpd[7136]: CTRL: PTY read or GRE write failed
> (pty,gre)=(4,5)
> ---------------------------------------------------------------------------
>- ---------------
>
> Where does this problem come from ?
>    - bad kernel configuration, so that some modules are missing
> (char-major-108, ppp0, tty-ldisc-3).
>    - pptpd / kernel 2.4.1 incompatibility
>    - some patch missing in my kernel sources
>    - something else ....
>
>
> Can anyone help me with this problem ?
>
> Thanks,
>
> Nicolas JOUANIN.
>
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