[Users] /dev/mem: Permission denied

Dean Gostisa dean.gostisa at gmail.com
Tue Feb 26 09:33:53 EST 2008


pic /proc/vz/devperms
.lf 1 /proc/vz/devperms
Version: 2.7
         0 b 016 *:*
         0 c 006 *:*
       104 c 006 1:2

I use Gentoo stable OpenVZ: 2.6.18-028stab053
Should i use newer ?


2008/2/26, Pavel Emelyanov <xemul at openvz.org>:
>
> Dean Gostisa wrote:
> > Um problem remains:
> > I set:
> > vzctl set 104 --devnodes mem:rw --save
> > And restarted VE, then i checked dev nodes in VE:
> > Doktor:/# ls -l /dev/mem
> > crwxrwxrwx 1 root news 1, 1 Apr 24  2007 /dev/mem
>
>
> OK, what's in the /proc/vz/devperms file after ve restart?
> And what's the kernel version you use?
>
>
> > But when i try to install still get same problem:
> > apt-get --reinstall install xfonts-base
> > Reading package lists... Done
> > Building dependency tree... Done
> > 0 upgraded, 0 newly installed, 1 reinstalled, 0 to remove and 0 not
> > upgraded.
> > Need to get 0B/6131kB of archives.
> > After unpacking 0B of additional disk space will be used.
> > Do you want to continue [Y/n]? Y
> > (Reading database ... 20054 files and directories currently installed.)
> > Preparing to replace xfonts-base 1:1.0.0-4 (using
> > .../xfonts-base_1%3a1.0.0-4_all.deb) ...
> > /dev/mem: Permission denied
> > Unpacking replacement xfonts-base ...
> > /dev/mem: Permission denied
> > warning: /usr/lib/X11/fonts/misc does not exist or is not a directory
> > warning: /usr/lib/X11/fonts/misc does not exist or is not a directory
> > Setting up xfonts-base (1.0.0-4) ...
> > /dev/mem: Permission denied
> > warning: /usr/lib/X11/fonts/misc does not exist or is not a directory
> > warning: /usr/lib/X11/fonts/misc does not exist or is not a directory
> >
> > Any other idea?
> >
> >
> >
> > 2008/2/26, Pavel Emelyanov <xemul at openvz.org>:
> >> Dean Gostisa wrote:
> >>> Hi,
> >>>
> >>> I have problem, i have created openvz Gentoo Server, and create Debian
> >> VM on
> >>> it, but when installing some packages like this i get:
> >>> apt-get --reinstall install xfonts-base
> >>> Reading package lists... Done
> >>> Building dependency tree... Done
> >>> 0 upgraded, 0 newly installed, 1 reinstalled, 0 to remove and 0 not
> >>> upgraded.
> >>> Need to get 0B/6131kB of archives.
> >>> After unpacking 0B of additional disk space will be used.
> >>> Do you want to continue [Y/n]? y
> >>> (Reading database ... 20054 files and directories currently
> installed.)
> >>> Preparing to replace xfonts-base 1:1.0.0-4 (using
> >>> .../xfonts-base_1%3a1.0.0-4_all.deb) ...
> >>> /dev/mem: Permission denied
> >>> Unpacking replacement xfonts-base ...
> >>> /dev/mem: Permission denied
> >>> warning: /usr/lib/X11/fonts/misc does not exist or is not a directory
> >>> warning: /usr/lib/X11/fonts/misc does not exist or is not a directory
> >>> Setting up xfonts-base (1.0.0-4) ...
> >>> /dev/mem: Permission denied
> >>> warning: /usr/lib/X11/fonts/misc does not exist or is not a directory
> >>> warning: /usr/lib/X11/fonts/misc does not exist or is not a directory
> >>>
> >>> Do you have any idea why?
> >>
> >> Yup - you should give the device permissions to /dev/mem for this VE.
> >> Read man on vzctl for --devnodes option.
> >>
> >>
> >>> Thank you for your help,
> >>> Dean
> >>>
> >>>
> >>>
> >>>
> ------------------------------------------------------------------------
> >>>
> >>> _______________________________________________
> >>> Users mailing list
> >>> Users at openvz.org
> >>> https://openvz.org/mailman/listinfo/users
> >>
> >
> >
>
>


-- 
Everybody have fun!!!
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