On Tue, Jan 29, 2013 at 01:19:44PM -0500, Thierry Moreau wrote: > Dear nfs developers, > > I just SOLVED my operational problem. Maybe the symptom vs solution > is of interest to you. > > Kernel 3.5.4, nfs-utils 1.2.7 > > ./configure --prefix=/usr \ > --mandir=/usr/man \ > --sysconfdir=/etc \ > --with-statedir=/var/lib/nfs \ > --disable-gss \ > --with-tcp-wrappers \ > --enable-libmount-mount > > starting script: > > /sbin/rpcbind -h 192.168.1.17 > /bin/mount -t nfsd nfsd $NFSD > /bin/mount -t rpc_pipefs rpc_pipefs $PIPEFS > /usr/sbin/rpc.idmapd > /usr/sbin/exportfs -a > /usr/sbin/rpc.mountd > /usr/sbin/rpc.statd --no-notify > /usr/sbin/rpc.nfsd --syslog 8A <==== this is where the > kernel would report an error > /usr/sbin/sm-notify > > kernel configuration changes > > bash-4.2# diff config_02 config_04 > d2437c2447,2448 > < # CONFIG_NFSD_V4 is not set > --- > > CONFIG_NFSD_V4=y > > # CONFIG_NFSD_FAULT_INJECTION is not set > 2441a2453 > > CONFIG_SUNRPC_GSS=m > d2622c2639,2641 > < # CONFIG_KEYS is not set > --- > > CONFIG_KEYS=y > > CONFIG_ENCRYPTED_KEYS=m > > CONFIG_KEYS_DEBUG_PROC_KEYS=y > 2625a2645 > > # CONFIG_DEFAULT_SECURITY_SELINUX is not set > 2646a2667 > > CONFIG_CRYPTO_RNG=m > 2700c2721 > < # CONFIG_CRYPTO_SHA256 is not set > --- > > CONFIG_CRYPTO_SHA256=m > > With config_02 kernel, nfsd would not work (no big deal so far). But > it did work fine prior to a controlled system reboot where prior > live system had experienced extensive playing with nfsd installation > (not much help for you since I can not tell what made it work). > > What may be of interest to you is that with config_02 kernel, it is > the *kernel* that reports an error message on the system console, > right upon nfsd startup. It is only by (painful) trial and error > that the cause for the kernel message was found. The kernel message > message occurred even with the --disable-nfsv4/nfsv41 configure > options. > > I don't have the exact kernel messages at hand (circa memory mapping > then circa NULL pointer dereferencing during the trial-and-error > chase). > > I might be able to provide additional information if you ask > politely. Maybe I owe it to this great free software contribution > anyway. Most useful would probably be the exact kernel messages if you have a way to find them or regenerate them again. --b. -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html