Oliver Welter:
> I dont get OOM messages, I guess libau is the "readdir in userspace"
> option from the kernel config?
>
> As I am running aufs in vservers (kind of jail) - is it necessary to
> install the aufs-userspace helpers in every guest or is this all handled
> from the root context?

Then what is the message from kernel? Do you get the stack trace?

libau.so is based upon ld.so/ld-linux.so's feature, and you need to set
some environment variables.
Generally, when your application calls readdir(3), ld.so binds it to the
one in libc.so. If you set environment var, it will be bound to the one
in libau.so. It means libau.so (the file itself) and env. var are
necessary for every guests. It doesn't matter whatever you place
libau.so as long as application in guests can refer to it.
Please see the manual in detail.

But if your problem is unrelated to OOM, libau may not help.


J. R. Okajima

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