watch(8) does not work in jails

[David DEMELIER]

2010/9/3 Roland Smith <rsmith at xs4all.nl>:
> On Fri, Sep 03, 2010 at 08:40:01PM +0200, David DEMELIER wrote:
>> Sorry I made a mistake while I was writing. In fact there is the
>> permissions in the jail :
>>
>> markand at Orange ~ $ sudo jexec 1 tcsh
>> # su -
>> People# ls -l /dev/pts/*
>> crw--w----  1 zazak  tty    0, 118  3 Sep 20:39 /dev/pts/0
>> crw--w----  1 zazak  tty    0,  99  3 Sep 07:07 /dev/pts/4
>> crw--w----  1 zazak  tty    0,  94  3 Sep 20:39 /dev/pts/6
>
> That looks OK.
>
>> People# who
>> zazak           pts/0     1 Sep 19:07 (92.147.166.20:S.)
>> zazak           pts/4    10 Aug 16:00 (92.147.166.20:S.)
>> People# watch pts/0
>> watch: fatal: cannot open snoop device
>
> For watch(1) to work, you need the device snp(4) either loaded as a module or
> built into the kernel. It's not in the GENERIC kernel.
>
> Roland
> --
> R.F.Smith                                   http://www.xs4all.nl/~rsmith/
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>

As I said in the first post it's present in my kernel config. I did
not built as module.

-- 
Demelier David