$ 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
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.
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