Hi,

I'm encountering some annoyances building (out-of-tree) modules on an NFS 
filesystem.  The NFS filesystem is exported with the default root_squash 
option.  When I build as a normal user, then su to root to do the final make 
modules_install, it fails with permission denied.  For example, 
modules_install tries to delete all the files in the .tmp_versions 
subdirectory, or tries to write to Module.symvers, but the nfs root_squash 
prevents root from having any special write permissions.  I've verified this 
problem with 2.6.18 and 2.6.20 kernels.  It didn't happen with the old kernel 
I was using (2.6.8).

Is there any reason that a "make modules_install" has to modify files in the 
source tree?

-- 
Frank

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