On Wed, Mar 30, 2011 at 09:31:57PM -0400, Eric Paris wrote: > On Wed, 2011-03-30 at 17:33 -0400, Eric Paris wrote: > > On Wed, 2011-03-30 at 17:12 -0400, Bryan Schumaker wrote: > > > On 03/30/2011 03:32 PM, Eric Paris wrote: > > > > $ git bisect good > > > > 8f70e95f9f4159184f557a1db60c909d7c1bd2e3 is the first bad commit > > > > commit 8f70e95f9f4159184f557a1db60c909d7c1bd2e3 > > > > Author: Bryan Schumaker <bjschuma@xxxxxxxxxx> > > > > Date: Thu Mar 24 17:12:31 2011 +0000 > > > > > > > > NFS: Determine initial mount security > > > > > > > > When sec=<something> is not presented as a mount option, > > > > we should attempt to determine what security flavor the > > > > server is using. > > > > > > > > Signed-off-by: Bryan Schumaker <bjschuma@xxxxxxxxxx> > > > > Signed-off-by: Trond Myklebust <Trond.Myklebust@xxxxxxxxxx> > > > > > > > > Using a linux-next kernel for the last 2 days I have been unable to > > > > mount exports from my RHEL6 server. mount(2) returned EAGAIN. Turned > > > > > > Thanks for letting me know. What does your exports file look like? > > > > # cat /etc/exports > > / 127.0.0.1(fsid=0) > > /export *(rw,fsid=1,all_squash,anonuid=500,anongid=500) > > At jlayton's suggestion I changed /exports to not include the / > 127.0.0.1 and removed both explicit fsid= and it works. So this patch > broke my setup, but I have a workaround. OK, but I'm a little confused why that would make any difference to client security negotiation code. Do we understand why your setup broke after that client change? --b > (I'm pretty sure the > previous / 127 entry was a workaround for a problem when all my clients > broke during Fedora's switch to use NFSv4 default. Funny one workaround > comes back to bit me again :)) > > Thanks! > > > > The client fstab looks like: > > paris.rdu.redhat.com:/export/ /storage nfs tcp,noatime,nodiratime,noauto,users,exec,suid 0 0 > > > > > > > > Bryan > > > > > > > up debugging (thanks jlayton) and got: > > > > > > > > [ 1732.795056] NFS: nfs mount opts='tcp,vers=4,addr=10.11.231.241,clientaddr=10.11.231.191' > > > > [ 1732.798079] NFS: parsing nfs mount option 'tcp' > > > > [ 1732.800210] NFS: parsing nfs mount option 'vers=4' > > > > [ 1732.802324] NFS: parsing nfs mount option 'addr=10.11.231.241' > > > > [ 1732.804477] NFS: parsing nfs mount option 'clientaddr=10.11.231.191' > > > > [ 1732.805790] NFS: MNTPATH: '/export/' > > > > [ 1732.806663] --> nfs4_try_mount() > > > > [ 1732.807459] --> nfs4_create_server() > > > > [ 1732.808301] --> nfs4_init_server() > > > > [ 1732.809136] --> nfs4_set_client() > > > > [ 1732.809898] --> nfs_get_client(paris.rdu.redhat.com,v4) > > > > [ 1732.811122] NFS: get client cookie (0xffff880039cfd9e8/0xffff88003b889000) > > > > [ 1732.813771] NFS: Callback listener port = 36700 (af 2) > > > > [ 1732.814931] NFS: Callback listener port = 60202 (af 10) > > > > [ 1732.816199] --> nfs_get_client() = ffff880039cfd9e8 [new] > > > > [ 1732.817356] <-- nfs4_set_client() = 0 [new ffff880039cfd9e8] > > > > [ 1732.818587] <-- nfs4_init_server() = 0 > > > > [ 1732.819476] --> nfs4_get_rootfh() > > > > [ 1732.820282] encode_compound: tag= > > > > [ 1732.822070] encode_compound: tag= > > > > [ 1732.822937] nfs4_get_rootfh: getroot error = 11 > > > > [ 1732.823982] <-- nfs4_get_rootfh() = -11 > > > > [ 1732.824880] --> nfs_free_server() > > > > [ 1732.846219] --> nfs_put_client({1}) > > > > [ 1732.847888] --> nfs_free_client(4) > > > > [ 1732.850236] NFS: releasing client cookie (0xffff880039cfd9e8/0xffff88003b889000) > > > > [ 1732.853726] <-- nfs_free_client() > > > > [ 1732.854505] <-- nfs_free_server() > > > > [ 1732.855274] <-- nfs4_create_server() = error -11 > > > > [ 1732.856187] <-- nfs4_try_mount() = -11 [error] > > > > > > > > Bisected and got the commit listed above. > > > > > > > > > > > > -- > 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