Re: [vserver] vc_unset_mapping(): Function not implemented

From: Herbert Poetzl <herbert_at_13thfloor.at>
Date: Sun 11 Dec 2011 - 20:58:33 GMT
Message-ID: <20111211205833.GH6554@MAIL.13thfloor.at>

On Sun, Dec 11, 2011 at 07:55:49PM +0100, Jarry wrote:
> On 10-Dec-11 0:54, Herbert Poetzl wrote:
>> On Fri, Dec 09, 2011 at 08:13:20PM +0100, Jarry wrote:

>>> # echo "MKNOD">> /etc/vservers/vs4/bcapabilities
>>> # mkdir -p /etc/vservers/vs4/apps/vdevmap/null
>>> # touch /etc/vservers/vs4/apps/vdevmap/null/create
>>> # echo "null"> /etc/vservers/vs4/apps/vdevmap/null/device
>>> # touch /etc/vservers/vs4/apps/vdevmap/null/open

>>> Now withount changing anything more whenever I stop guest,
>>> the very last message I see is:

>>> vc_unset_mapping(): Function not implemented

>>> What does that message mean?

>> it means, that your kernel reports that specific
>> Linux-VServer syscall comman as unimplemented.

>>> Did I miss something?

>> as usual, the kernel, patch and util-vserver
>> version would help a lot ...

> kernel 2.6.35
> vserver 2.3.0.36.32

hmm, we never released a 2.6.35-vs2.3.0.36.32 patch,
till 2.6.35.2 it was vs2.3.0.36.31 ...

anyway, assuming that the kernel .config has
CONFIG_VSERVER_DEVICE=y, the set/unset syscall
command should be implemented and thus you won't
get 'Function not implemented' ...

OTOH, if CONFIG_VSERVER_DEVICE is not set, there
is no point in configuring the device mappper in
the first place ...

but I'd really suggest to update to a more recent
kernel/patch (or at least update to the latest patch
for that kernel branch)

> util-vserver 0.30.216_pre2910

and more recent util-vserver as well, and see if the
issue remains

HTH,
Herbert

> Jarry

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Received on Sun Dec 11 20:58:44 2011

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