Questions about User Mode Linux

[jiangtao.jit@gmail.com (tao jiang)]

michi:

Thank you.



2011/10/12  <michi1@michaelblizek.twilightparadox.com>:
> Hi!
>
> On 19:15 Wed 12 Oct ? ? , jiangtao.jit wrote:
>> Hi:
>>
>> Need help with UML issue
>>
>> 1.is User Mode Linux still supported?
>
> I think so
>
>> 2.where can I find the latest Docs and guidelines?
>
> I usually refer to http://user-mode-linux.sourceforge.net/old/index.html . It
> probably is not really the latest version, but it has been good enough for me
> so far.
>
>> 3.compile error?
>> ? ? ? on kernel version 2.6.39
>> ? ? ? gcc 4.1.2
>> ? ? ? I compile with: make ARCH=um linux
>> ? ? errors ocurred
>> ? ? ? ? ? ? ? /usr/bin/ld:arch/um/kernel/vmlinux.lds:237: syntax error
>> ? ? ? ? ? ? ? collect2: ld returned 1 exit status
>> ? ? ? ? ? ? ? KSYM ? ?.tmp_kallsyms1.S
>> ? ? ? ? ? ? ? nm: '.tmp_vmlinux1': No such file
>> ? ? ? ? ? ? ? No valid symbol.
>> ? ? ? ? ? ? ? make: *** [.tmp_kallsyms1.S] Error 1
>
> 1) gcc 4.1.2 looks very old. Even my debian stable here already has 4.4.5.
> 2) I use the command "ARCH=um make linux". It will probably not make any
> ? difference, but ...
> 3) Sometimes UML is a real pain. When I upgrade my testing kernel, I usually
> ? have to spend some time searching the internet for fixes. I do not remember
> ? this error, tough. You can find my current (3.0) kernel at
> ? http://repo.or.cz/w/cor.git , if you are interested.
>
> ? ? ? ?-Michi
> --
> programing a layer 3+4 network protocol for mesh networks
> see http://michaelblizek.twilightparadox.com
>