[uml-devel] new_mm : /proc/mm copy_segments failed, err = 0

[Jason Lunz <lunz@falooley.org>]

mingo@elte.hu said:
> the attached patch makes the combo 2.6.0 patch compile for the
> !CONFIG_PROC_MM case. (necessary if forcing TT mode by disabling skas.)
>
> This is also a small cleanup as it moves the architecture-independent
> ptrace functions into the generic kernel/ptrace.c file.
>
> i've also uploaded a new combo patch with the alignment fix plus these
> changes included:
>
>     redhat.com/~mingo/UML-patches/uml-combo-2.6.0-A2

OK, I've complied a 2.6.0 host with this (and only this) -A2 patch for
an SMP pentium III. The host is running debian unstable.

I also compiled a 2.4.23 uml kernel using uml-patch-2.4.22-7.bz2 and the
small ELF_PLAT_INIT fix.

Using a very simple root_fs (it basically only contains a busybox
/bin/sh and a statically compiled /bin/zsh4), the uml boots and detects
skas3 and /proc/mm on the host.

The problem is that on every process fork, I see $Subject appear one or
more times on the console, and subjectively the uml seems to be running
a little slowly. Is this normal?

Jason



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