On Wed, Nov 14, 2007 at 03:19:43PM -0800, Kaz Kylheku wrote: > I have an NFS problem on a multi-node MIPS system running kernel > 2.6.17.7. NFS utils is 1.1.0. ABI is n32. > > One node (call it primary) exports a directory which is mounted by > several others (the secondaries) as their root filesystem. > > If I run "exportfs -a" on the primary, the secondary nodes lose their > root filesystem and so everything stops working. > > I turned on all NFS debugging on a secondary node (sysctl -w > sunrpc.nfs_debug=65535). What is happening is that NFS operations > suddenly start returning error -151 (stale NFS filehandle). > > I don't see exportfs causing this problem on other systems. If I run > "exportfs -a" on a big NFS server (Fedora Core 5, i686) which has lots > of diskless clients, nothing bad happens. (And some of those diskless > clients are MIPS systems just like this one!) > > I'm pretty sure that exportfs -a shouldn't screw up the existing mounted > clients. > > Could there be some ABI problem that corrupts up the effect of the > re-exporting operation on the server? Can you test below patch? Ralf Signed-off-by: Ralf Baechle <ralf@xxxxxxxxxxxxxx> diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index 118be24..01993ec 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -293,7 +293,7 @@ EXPORT(sysn32_call_table) PTR sys_ni_syscall /* 6170, was get_kernel_syms */ PTR sys_ni_syscall /* was query_module */ PTR sys_quotactl - PTR sys_nfsservctl + PTR compat_sys_nfsservctl PTR sys_ni_syscall /* res. for getpmsg */ PTR sys_ni_syscall /* 6175 for putpmsg */ PTR sys_ni_syscall /* res. for afs_syscall */
