On Monday 07 of January 2013 09:47:09 Steve Dickson wrote:
> 
> On 05/01/13 05:08, Paweł Sikora wrote:
> > On Thursday 03 of January 2013 09:42:01 Steve Dickson wrote:
> >>
> >> On 03/01/13 04:27, Paweł Sikora wrote:
> >>> Hi,
> >>>
> >>> with the latest nfs-1.2.7/kernel-3.7.1 tools i've noticed an error during autofs mounting.
> >>> reduced testcase shows that mount.nfs with 'vers=4' has a problem:
> >>>
> >>> [root@chufu ~]# mount.nfs -v -o vers=4 192.168.2.100:/home/atest/farm-local /mnt
> >>> mount.nfs: timeout set for Thu Jan  3 10:22:00 2013
> >>> mount.nfs: trying text-based options 'vers=4,addr=192.168.2.100,clientaddr=192.168.2.103'
> >>> mount.nfs: mount(2): Cannot allocate memory
> >>> mount.nfs: Cannot allocate memory
> >>>
> >>> while the vers=3 works fine:
> >>>
> >>> [root@chufu ~]# mount.nfs -v -o vers=3 192.168.2.100:/home/atest/farm-local /mnt
> >>> mount.nfs: timeout set for Thu Jan  3 10:22:04 2013
> >>> mount.nfs: trying text-based options 'vers=3,addr=192.168.2.100'
> >>> mount.nfs: prog 100003, trying vers=3, prot=6
> >>> mount.nfs: trying 192.168.2.100 prog 100003 vers 3 prot TCP port 2049
> >>> mount.nfs: prog 100005, trying vers=3, prot=17
> >>> mount.nfs: trying 192.168.2.100 prog 100005 vers 3 prot UDP port 42412
> >>>
> >>> no obvious errors in logs on nfs server/client side :(
> >>> i can provide more info if you need to diagnose this issue.
> >>
> >> Please set the kernel debugging with 'rpcdebug -m nfs -s mount' then post the out put found in /var/log/messages.
> > 
> > [root@pawels ~]# mount.nfs -v -o vers=4 192.168.2.100:/home/atest/farm-local /mnt
> > 
> > mount.nfs: timeout set for Sat Jan  5 11:08:42 2013
> > mount.nfs: trying text-based options 'vers=4,addr=192.168.2.100,clientaddr=10.0.2.35'
> > mount.nfs: mount(2): Cannot allocate memory
> > mount.nfs: Cannot allocate memory
> > 
> > [root@pawels ~]# dmesg|tail                                                      
> > 
> > [ 4187.654183] NFS: nfs mount opts='vers=4,addr=192.168.2.100,clientaddr=10.0.2.35'
> > [ 4187.654188] NFS:   parsing nfs mount option 'vers=4'
> > [ 4187.654193] NFS:   parsing nfs mount option 'addr=192.168.2.100'
> > [ 4187.654198] NFS:   parsing nfs mount option 'clientaddr=10.0.2.35'
> > [ 4187.654204] NFS: MNTPATH: '/home/atest/farm-local'
> > [ 4187.654206] --> nfs4_try_mount()
> > [ 4187.975255] <-- nfs4_try_mount() = -12 [error]
> > 
> Hmm... it appears to me that the kernel modules are not be loaded... 
> What does 'lsmod | grep nfs' show, anything?
> 
> steved.

in fact, all modules are automatically loaded by kernel. better log attached.