Hi Bruce-
Updated patch series to remove the SUNRPC_REGISTER_V4 kernel build
option. These address kernel bugzilla 12256 ("RPC: failed to contact
local rpcbind server (errno 5)." if CONFIG_SUNRPC_REGISTER_V4 is set
to Y"). Please include them in your for-2.6.30 branch, replacing
any previous version of this patch series.
There may be some problems applying this patch set to linux-next, as
that may have recent patches that split up fs/Kconfig.
Steve Dickson also reports this related problem:
------ cut here ------
On a 2.6.29 kernel that has IPv6 turned off by
1) adding 'blacklist ipv6' to /etc/modprobe.d/blacklist
2) Adding NETWORKING_IPV6=no to /etc/sysconfig/network
(note: not clear how much of this is effective since it's unknown
if Network Manager even looks at this stuff)
When an ordinary v3 mount is tried:
mount -v server:/music /mnt/music
It fails in the following way:
mount.nfs: timeout set for Fri Jan 23 07:22:16 2009
mount.nfs: text-based options: 'addr=10.16.43.237'
mount.nfs: mount(2): Address family not supported by protocol
mount.nfs: Address family not supported by protocol
With the following being logged to /var/log/messages:
Jan 23 07:20:16 localhost kernel: RPC: failed to contact local rpcbind
server (errno 5).
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When CONFIG_SUNRPC_REGISTER_V4 is removed, this exposes a second
problem, addressed by "lockd: Use AF_INET6 listener only when IPv6
support is built in." It turns out that some Linux networking
infrastructure simply doesn't support IPv6, so it is a popular
workaround to blacklist the ipv6 module in a distribution-built
kernel.
Unfortunately, if the module is blacklisted but was built during
the kernel build, lockd still attempts to create an AF_INET6
listener, even for IPv4 mounts, and fails.
For now, we'll work around the problem by changing lockd to
create AF_INET6 listeners only if IPv6 support is built into the
kernel, and pursue a long-term fix in the mean time.
---
Chuck Lever (7):
SUNRPC: Remove CONFIG_SUNRPC_REGISTER_V4
SUNRPC: rpcb_register() should handle errors silently
SUNRPC: Simplify kernel RPC service registration
SUNRPC: Simplify svc_unregister()
SUNRPC: Don't return EPROTONOSUPPORT in svc_register()'s helpers
SUNRPC: Use IPv4 loopback for registering AF_INET6 kernel RPC services
lockd: Use AF_INET6 listener only when IPv6 support is built in
fs/lockd/svc.c | 11 +++--
net/sunrpc/Kconfig | 22 ----------
net/sunrpc/rpcb_clnt.c | 25 +++---------
net/sunrpc/svc.c | 102 +++++++++++++++++++++---------------------------
4 files changed, 58 insertions(+), 102 deletions(-)
--
Chuck Lever
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