Re: Help with rtems nfs mounting

[Chris Johns via Tech-talk <tech-talk at aps.anl.gov>]

On 7/9/2024 6:27 am, Miceli, Antonino via Tech-talk wrote:
> Hi, 
> 
> I have some legacy rtems IOCs. I can't get the NFS mount to work after our IT
> upgraded to RHEL9. So, they setup an RHEL8 VM with nfs v2 activated.  They say
> it is working:
> 
> [root@dplab ~]# mount -o vers=2 rtems-dserv:/xorApps  /mnt
> [root@dplab ~]# mount | grep mnt
> rtems-dserv:/xorApps on /mnt type nfs (rw,vers=2,addr=10.54.100.9)
> 
> But not of the IOC below.... 
> 
> Any advices on debugging this?
> 
> B$ printenv
> FACTORY=Arcturus Networks Inc.
> REVISION=uC5282-16E16C64
> SERIAL=X4CB88918-01660
> CONSOLE=ttyS0
> KERNEL=0:linux.bin
> KERNEL_ARGS=root=/dev/mtdblock0 quiet
> HWADDR0=00:06:3b:01:36:60
> FW_VERSION=010809000
> RAMIMAGE=yes
> CACHE=on
> _0=10000000:400000:RW
> BOOTFILE=/xorApps/epics/synApps_5_3/ioc/dth/bin/RTEMS-uC5282/dthApp.boot
> CMDLINE=/xorApps/epics/synApps_5_3/ioc/dth/iocBoot/iocdth3/st.rtems.cmd
> NETMASK=255.255.255.0
> AUTOBOOT=20
> HOSTNAME=iocdth3
> IPADDR0=10.54.112.70
> GATEWAY=10.54.112.1
> NAMESERVER=10.54.100.9
> SERVER=10.54.100.9
> NTPSERVER=10.54.100.9
> NFSMOUNT=10.54.100.9:/xorApps:/xorApps
> B$ go!
> go!: command not found
> B$ go
> Copy...done
> go! 0x40000
> 
> ***** Initializing network *****
> Startup after Software reset.
> fs1: Ethernet address: 00:06:3b:01:36:60
> ***** Initializing NFS *****
> This is RTEMS-RPCIOD Release $Name: rtems-addon-packages-4-7-1 $
> ($Id: rpcio.c,v 1.4 2006/08/30 13:52:10 joel Exp $)
> 
> Till Straumann, Stanford/SLAC/SSRL 2002
> See LICENSE file for licensing info
> This is RTEMS-NFS Release $Name: rtems-addon-packages-4-7-1 $
> ($Id: nfs.c,v 1.3 2006/06/20 00:36:25 ericn Exp $)
> 
> Till Straumann, Stanford/SLAC/SSRL 2002
> See LICENSE file for licensing info
> Trying to mount 10.54.100.9:/xorApps on /xorApps
> RPCIO: server '10.54.100.9' not responding - still trying

This message can happen if the RPC requests times out [1]. I could check NFSv2
RPC support is not firewalled or something like that. Also ..

Is the gateway 10.54.112.1 working?

Are other services like NTP working?

Chris

[1]
https://urldefense.us/v3/__https://gitlab.rtems.org/rtems/pkg/rtems-net-legacy/-/blob/main/nfsclient/src/rpcio.c?ref_type=heads*L1379__;Iw!!G_uCfscf7eWS!bY-GqBCf1ym5iz-IBJzf5vV5nAAH-kyZz_dpPz7gHimhFNnuMEHR44Q70mNpzk2hQbM3yPKNRiDe5J5HN-w$ 

> ***** Initializing NTP *****
> ***** Initializing NTP *****
> ***** Initializing NTP *****
> ***** Initializing NTP *****
> ***** Initializing NTP *****
> ***** Initializing NTP *****
> ***** Initializing NTP *****
> ***** Initializing NTP *****
> ***** Initializing NTP *****
> ***** Initializing NTP *****
> ***** Initializing NTP *****
> ***** Initializing NTP *****
> ***** Initializing NTP *****
>     *************** WARNING ***************
>     ***** NO RESPONSE FROM NTP SERVER *****
>     *****  TIME SET TO DEFAULT VALUE  *****
>     ***************************************
> ***** Starting EPICS application *****
> #------------------------------------------------------------------------------
> # RTEMS startup file for the uCDIMM
> #------------------------------------------------------------------------------
> #------------------------------------------------------------------------------
> # NFS mount external file systems
> < ../nfsCommands
> #nfsMount s100dserv.xray.aps.anl.gov /APSshare /APSshare
> nfsMount rtems-dserv.xray.aps.anl.gov /APSshare /APSshare
> nfsMount: host 'rtems-dserv.xray.aps.anl.gov' not found
> #------------------------------------------------------------------------------
> 
> 
> Thanks, 
> Nino 
> 
> 
> 
>