[Xastir] AX 25 networking kernel warnings --- heads up all AX.25 users Re: Error in Syslog

[Tom Russo]

On Sun, Jan 28, 2018 at 02:31:08PM -0700, we recorded a bogon-computron collision of the <russo at bogodyn.org> flavor, containing:
> Changing the subject line to get more people to see this.
> 
[...]
> 
> It took a while, but I think I found some code that should work (using
> AF_PACKET and SOCK_DGRAM), and am pushing it to github on my own fork so you 
> can try it out.  If the warnings go away for you, and AX.25 networking still 
> work for everyone who reports in, then I will push it to the main line code.
> 
> You can test it out easily:
> 
>    git checkout master      # Likely a no-op, but let's be careful
>    git checkout -b tvr-fix-ax25
>    git pull https://github.com/tvrusso/Xastir.git fix-ax25
> 
> then rebuild the code and try it out.  You should be able to start an AX.25
> kernel port in Xastir and NOT see those warnings in your syslog.  If it works,
> please let me know and I'll merge it to main line.  It is working for me Just
> Fine.  But then again, I never had those warnings in syslog.

[...]

> I would appreciate it if *everyone* on the list who uses AX.25 networking
> routinely would test out this code --- it impacts *everyone* who uses AX.25 
> networking in Xastir.

I opened a new pull request for this branch to encourage discussion on it:
https://github.com/Xastir/Xastir/pull/20
If you try out the code, commenting on the pull request would be welcome.  If
you spot some horrid error in it, too, that would be a good thing to comment on.

> >On Sun, Jan 28, 2018 at 12:14:39PM -0700, we recorded a bogon-computron collision of the <russo at bogodyn.org> flavor, containing:
> >> 
> >> I just experimented with fixing the preprocessor symbol so it actually
> >> detects we're running with a newer GLIBC, and it made Xastir AX.25 connections
> >> broken, so this code that has never actually been enabled isn't in fact
> >> correct.  Turns out that replacing PF_INET,SOCK_PACKET with PF_INET,SOCK_DGRAM,
> >> as is done in that block of code, was never right.  The correct thing is
> >> to use AF_PACKET,SOCK_PACKET instead of PF_INET,SOCK_PACKET.  If I fix
> >> the symbol *and* fix that usage, Xastir builds and does connect to an
> >> AX.25 interface correctly.
> >
> >Actually, SOCK_PACKET is deprecated, too, and should not be used in new
> >programs.  This is going to take a little more careful experimentation.
> 
> 
> > > On Sun, Jan 28, 2018 at 05:58:54PM +0000, we recorded a bogon-computron collision of the <kg4pid at yahoo.com> flavor, containing:
> > > > Looking the the file /var/log/syslog, I noticed this...
> > > > 'Jan 27 07:13:18 Igate kernel: [26779.439570] xastir uses obsolete (PF_INET,SOCK_PACKET)'
> > > > 
> > > > I don't have a clue what it means or if I should even worry about it. Anyone else see this?
> > > > I just did an install a week ago so it's the latest version of xastir.
> > > > Thanks, Max KG4PID??
> > > > _______________________________________________
> > > > Xastir mailing list
> > > > Xastir at lists.xastir.org
> > > > http://xastir.org/mailman/listinfo/xastir
> > > 
> > > -- 
> > > Tom Russo    KM5VY   SAR502   DM64ux          http://www.swcp.com/~russo/
> > > Tijeras, NM  QRPL#1592 K2#398  SOC#236        http://kevan.org/brain.cgi?DDTNM
> > >  echo "prpv_a'rfg_cnf_har_cvcr" | sed -e 's/_/ /g' | tr [a-m][n-z] [n-z][a-m]
> > > 
> > >  
> > > 
> > > 
> > > _______________________________________________
> > > Xastir mailing list
> > > Xastir at lists.xastir.org
> > > http://xastir.org/mailman/listinfo/xastir
> > 
> > -- 
> > Tom Russo    KM5VY   SAR502   DM64ux          http://www.swcp.com/~russo/
> > Tijeras, NM  QRPL#1592 K2#398  SOC#236        http://kevan.org/brain.cgi?DDTNM
> >  echo "prpv_a'rfg_cnf_har_cvcr" | sed -e 's/_/ /g' | tr [a-m][n-z] [n-z][a-m]
> > 
> >  
> > 
> > 
> > _______________________________________________
> > Xastir mailing list
> > Xastir at lists.xastir.org
> > http://xastir.org/mailman/listinfo/xastir
> 
> -- 
> Tom Russo    KM5VY   SAR502   DM64ux          http://www.swcp.com/~russo/
> Tijeras, NM  QRPL#1592 K2#398  SOC#236        http://kevan.org/brain.cgi?DDTNM
>  echo "prpv_a'rfg_cnf_har_cvcr" | sed -e 's/_/ /g' | tr [a-m][n-z] [n-z][a-m]
> 
>  
> 
> 
> _______________________________________________
> Xastir mailing list
> Xastir at lists.xastir.org
> http://xastir.org/mailman/listinfo/xastir

-- 
Tom Russo    KM5VY   SAR502   DM64ux          http://www.swcp.com/~russo/
Tijeras, NM  QRPL#1592 K2#398  SOC#236        http://kevan.org/brain.cgi?DDTNM
 echo "prpv_a'rfg_cnf_har_cvcr" | sed -e 's/_/ /g' | tr [a-m][n-z] [n-z][a-m]