Re: autofs reverts to IPv4 for multi-homed IPv6 server ?

[Christof Koehler <christof.koehler@bccms.uni-bremen.de>]

OK, this actually fails to mount anything at all

Apr  8 18:12:53 core324 automount[963]: parse_mount: parse(sun): core of entry: options=fstype=nfs4,rw,intr,nosuid,soft,nodev, loc=core320:/locals
Apr  8 18:12:53 core324 automount[963]: sun_mount: parse(sun): mounting root /local, mountpoint core320, what core320:/locals, fstype nfs4, options rw,intr,nosuid,soft,nodev
Apr  8 18:12:53 core324 automount[963]: mount_mount: mount(nfs): root=/local name=core320 what=core320:/locals, fstype=nfs4, options=rw,intr,nosuid,soft,nodev
Apr  8 18:12:53 core324 automount[963]: mount_mount: mount(nfs): nfs options="rw,intr,nosuid,soft,nodev", nobind=0, nosymlink=0, ro=0
Apr  8 18:12:53 core324 automount[963]: get_nfs_info: called with host core320(192.168.220.70) proto 6 version 0x40
Apr  8 18:12:53 core324 automount[963]: get_nfs_info: called with host core320(2001:638:708:1261:2000::70) proto 6 version 0x40
Apr  8 18:12:53 core324 automount[963]: mount(nfs): no hosts available
Apr  8 18:12:53 core324 automount[963]: dev_ioctl_send_fail: token = 3006
Apr  8 18:12:53 core324 automount[963]: failed to mount /local/core320
Apr  8 18:12:53 core324 automount[963]: handle_packet: type = 3

Maybe I am missing dependencies ... 


On Fri, Apr 08, 2016 at 06:12:26PM +0200, Christof Koehler wrote:
> Hello,
> 
> I managed to build a new autofs 5.1.1 from the ubuntu 16.04 source
> package after throwing out all systemd dependencies. With that
> 
> root@core324:~/autofs-5.1.1# ldd /usr/lib/x86_64-linux-gnu/autofs/mount_nfs.so
>         linux-vdso.so.1 =>  (0x00007ffff7ffd000)
>         libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007ffff7b73000)
>         libtirpc.so.1 => /lib/x86_64-linux-gnu/libtirpc.so.1 (0x00007ffff794b000)
>         libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007ffff7585000)
>         /lib64/ld-linux-x86-64.so.2 (0x0000555555554000)
>         libgssglue.so.1 => /lib/x86_64-linux-gnu/libgssglue.so.1 (0x00007ffff737b000)
>         libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007ffff7177000)
> 
> However, I had to edit lib/rpc_subs.c as indicated in 
> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=737679, otherwise it would not 
> work (/usr/lib/x86_64-linux-gnu/autofs/mount_nfs.so: undefined symbol: auth_put).
> 
> With the new binary /local/core330 does not mount either, but the error message is
> probably an improvement:
> 
> Apr  8 18:05:25 core324 automount[963]: parse_mount: parse(sun): dequote("core330:/locals"
> ) -> core330:/locals
> Apr  8 18:05:25 core324 automount[963]: parse_mount: parse(sun): core of entry: options=fs
> type=nfs4,rw,intr,nosuid,soft,nodev, loc=core330:/locals
> Apr  8 18:05:25 core324 automount[963]: sun_mount: parse(sun): mounting root /local, mount
> point core330, what core330:/locals, fstype nfs4, options rw,intr,nosuid,soft,nodev
> Apr  8 18:05:25 core324 automount[963]: mount_mount: mount(nfs): root=/local name=core330 
> what=core330:/locals, fstype=nfs4, options=rw,intr,nosuid,soft,nodev
> Apr  8 18:05:25 core324 automount[963]: mount_mount: mount(nfs): nfs options="rw,intr,nosu
> id,soft,nodev", nobind=0, nosymlink=0, ro=0
> Apr  8 18:05:25 core324 automount[963]: get_nfs_info: called with host core330(192.168.220
> .118) proto 6 version 0x40
> Apr  8 18:05:25 core324 automount[963]: get_nfs_info: called with host core330(fd5f:852:a27c:1261:2000::118) proto 6 version 0x40
> Apr  8 18:05:25 core324 automount[963]: get_nfs_info: called with host core330(2001:638:708:1261:2000::118) proto 6 version 0x40
> Apr  8 18:05:25 core324 automount[963]: mount(nfs): no hosts available
> Apr  8 18:05:25 core324 automount[963]: dev_ioctl_send_fail: token = 3004
> Apr  8 18:05:25 core324 automount[963]: failed to mount /local/core330
> Apr  8 18:05:25 core324 automount[963]: handle_packet: type = 3
> Apr  8 18:05:25 core324 automount[963]: handle_packet_missing_indirect: token 3005, name core330, request pid 2397
> 
> I had no success trying to get the 5.0.7 source package to actually link libtirpc, 
> no idea why.
>  
> Best Regards
> 
> Christof
> 
> On Fri, Apr 08, 2016 at 04:29:07PM +0200, Christof Koehler wrote:
> > Hello,
> > 
> > apparently I confused my 5.1.1 source built experiment and my debian
> > package rebuild experiment when I reported that libtirpc was used in my
> > last email. So here is a new try to rebuild the deb source with
> > --with-libtirpc.
> > 
> > I did a apt-get source autofs and added --with-libtirpc to debian rules.
> > After that it would of course not allow me to build a package, "aborting
> > due to unexpected upstream changes". So I just did a "dpkg-buildpackage
> > -b" and then dpkg -i autofs... . Attached is the file build.out.gz which
> > contains the stdout output. Clearly libtirpc is used somehow in the build.
> > 
> > After restoring maps in /etc I did a service restart autofs and with
> > debug loglevel I get 
> > 
> > Apr  8 16:20:33 core324 automount[14615]: open_mount:247: parse(sun):
> > cannot open mount module nfs
> > (/usr/lib/x86_64-linux-gnu/autofs/mount_nfs.so: undefined symbol:
> > clnt_dg_create)
> > 
> > as reported. I then double checked and actually
> > 
> > root@core324:~# ldd /usr/lib/x86_64-linux-gnu/autofs/mount_nfs.so
> >         linux-vdso.so.1 =>  (0x00007ffff7ffd000)
> >         libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6
> > (0x00007ffff79f3000)
> >         /lib64/ld-linux-x86-64.so.2 (0x0000555555554000)
> > 
> > no libtirpc. 
> > 
> > I will have to read up on how to properly rebuild the package. The
> > debian documentation is unfortunately not very user friendly, any
> > hints are appreciated.
> > 
> > Best Regards
> > 
> > Christof
> > 
> > On Fri, Apr 08, 2016 at 02:25:52PM +0200, Christof Koehler wrote:
> > > Hello again,
> > > > I've been thinking about this and I have a couple of thoughts.
> > > > 
> > > > As far a IPv6 goes using glibc RPC is, I think, not going to work!
> > > > 
> > > > That's the first thing that needs to be sorted out.
> > > > 
> > > > I've been using libtirpc in Fedora and RHEL builds for nearly 10 years
> > > > so I don't think the library problem is with autofs.
> > > > 
> > > > This is an indication someone is doing something a little dumb:
> > > > 
> > > > automount[20444]: open_mount:247: parse(sun): cannot open mount module
> > > > nfs (/usr/lib/x86_64-linux-gnu/autofs/mount_nfs.so: undefined symbol:
> > > > clnt_dg_create)
> > > 
> > > concerning my failures to build autofs. First the client has all
> > > libtirpc packages I think are necessary:
> > > # dpkg -l libtirpc\*|grep ii
> > > ii  libtirpc-dev                                   0.2.2-5ubuntu2
> > > ii  libtirpc1:amd64                                0.2.2-5ubuntu2
> > > 
> > > We have libtirpc1 on the machines by default and I had to
> > > install libtirpc-dev so that ./configure would conclude that
> > > --with-libtirpc should do anything. 
> > > 
> > > Actually I tried to compile autofs 5.1.1 from source and a new 5.0.7
> > > package from ubuntu's source deb.
> > > 
> > > Using the sources at https://www.kernel.org/pub/linux/daemons/autofs/v5/
> > > I was basically confused what to do about the patches. Do I have to
> > > apply everything in patches-5.1.2 to autofs-5.1.1.tar.gz to get 5.1.2 ? 
> > > How do I do that automatically ? I noticed that autofs-5.1.1.tar.gz
> > > misses the patch mentioned in message 15 of
> > > https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=737679
> > > but contained in autofs-5.1.1-revert-fix-libtirpc-name-clash.patch.
> > > 
> > > So to make it short I certainly messed something up
> > > somewhere, the final binary and libs were no success . Additionally
> > > installation did not play nice, although --prefix= was set it overwrote
> > > configuration files in /etc.  But I think I
> > > cleaned everything up afterwards.
> > > 
> > > If someone can provide some hints I would try it again.
> > > 
> > > After that I rebuild the 5.0.7 package from source deb after adding
> > > --with-libtirpc to debian/rules as suggested in the bug reports. I
> > > installed from that package.  I checked with ldd after installing
> > > that ldd /usr/lib/x86_64-linux-gnu/autofs/mount_nfs.so was build with a
> > > reference to libtirpc. 
> > > 
> > > This try gave the error message in the ubuntu bug
> > > report https://bugs.launchpad.net/ubuntu/+source/autofs/+bug/1564380
> > > 
> > > So, any hints are appreciated. As long as I can stick to 5.0.7 rebuilt
> > > from the source deb installing/re-installing is no problem and I can try
> > > different things you might want. Assuming I can get the program to work :-)
> > > 
> > > Thank you very much for all your help !
> > > 
> > > 
> > > Best Regards
> > > 
> > > Christof
> > > 
> > > 
> > > 
> > > -- 
> > > Dr. rer. nat. Christof Köhler       email: c.koehler@bccms.uni-bremen.de
> > > Universitaet Bremen/ BCCMS          phone:  +49-(0)421-218-62334
> > > Am Fallturm 1/ TAB/ Raum 3.12       fax: +49-(0)421-218-62770
> > > 28359 Bremen  
> > > 
> > > PGP: http://www.bccms.uni-bremen.de/cms/people/c_koehler/
> > > --
> > > To unsubscribe from this list: send the line "unsubscribe autofs" in
> > 
> > -- 
> > Dr. rer. nat. Christof Köhler       email: c.koehler@bccms.uni-bremen.de
> > Universitaet Bremen/ BCCMS          phone:  +49-(0)421-218-62334
> > Am Fallturm 1/ TAB/ Raum 3.12       fax: +49-(0)421-218-62770
> > 28359 Bremen  
> > 
> > PGP: http://www.bccms.uni-bremen.de/cms/people/c_koehler/
> 
> 
> 
> -- 
> Dr. rer. nat. Christof Köhler       email: c.koehler@bccms.uni-bremen.de
> Universitaet Bremen/ BCCMS          phone:  +49-(0)421-218-62334
> Am Fallturm 1/ TAB/ Raum 3.12       fax: +49-(0)421-218-62770
> 28359 Bremen  
> 
> PGP: http://www.bccms.uni-bremen.de/cms/people/c_koehler/
> --
> To unsubscribe from this list: send the line "unsubscribe autofs" in

-- 
Dr. rer. nat. Christof Köhler       email: c.koehler@bccms.uni-bremen.de
Universitaet Bremen/ BCCMS          phone:  +49-(0)421-218-62334
Am Fallturm 1/ TAB/ Raum 3.12       fax: +49-(0)421-218-62770
28359 Bremen  

PGP: http://www.bccms.uni-bremen.de/cms/people/c_koehler/
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