Paweł Sikora 写道: > 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. >> > > rpcdebug can't find the /proc/sys/sunrpc/nfs_debug file in my system. how can i enable it? > Hi, I found that the upstream kernel didn't create /proc/sys/sunrpc/nfs_debug default, if you want to debug rpc,you should set CONFIG_SUNRPC_DEBUG = y. #cat .config ............................. CONFIG_SUNRPC_BACKCHANNEL=y CONFIG_SUNRPC_XPRT_RDMA=m CONFIG_RPCSEC_GSS_KRB5=m CONFIG_SUNRPC_DEBUG=y <-----CONFIG_SUNRPC_DEBUG = y CONFIG_CEPH_FS=m CONFIG_CIFS=m ....................... > -- > 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 > -- 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
