On 21/03/2013, at 7:44 PM, Guillaume Thouvenin <guillaume.thouve...@polymtl.ca>
wrote:
> Hello everybody,
>
> I'm still trying to run an X server in a container with GLX support.
> I compiled the official driver provided by nvidia. Everything worked
> fine and I could load the kernel module. So I started X. The
> nvidia_drv.so was loaded correctly, I was exited but at the end of the
> Xorg.0.log I got:
>
> [174183.355] (II) LoadModule: "nvidia"
> [174183.356] (II) Loading /usr/lib64/xorg/modules/drivers/nvidia_drv.so
> [174183.356] (II) Module nvidia: vendor="NVIDIA Corporation"
> [174183.356] compiled for 4.0.2, module version = 1.0.0
> [174183.356] Module class: X.Org Video Driver
> [174183.356] (II) NVIDIA dlloader X Driver 304.54 Sat Sep 29 00:07:17
> PDT 2012
> [174183.356] (II) NVIDIA Unified Driver for all Supported NVIDIA GPUs
> [174183.356] (--) using VT number 2
>
> [174183.356] (WW) xf86OpenConsole: VT_GETSTATE failed: Invalid argument
> [174183.356] Fatal server error:
> [174183.356] xf86OpenConsole: VT_ACTIVATE failed: Invalid argument
>
>
> I "straced" the problem and I found something that seems intresting to me:
>
> X is opening "/dev/tty2" and does an ioctl that fails:
>
> open("/dev/tty2", O_RDWR|O_NONBLOCK) = 9
> ioctl(9, VT_GETSTATE, 0x7fff94f0fc60) = -1 EINVAL (Invalid argument)
I run a number of machines with dual nvidia cards - 1 running in the host and 1
running in a container. In the container, I start the X server using xinit
directly with the -novtswitch and -sharevts options. Maybe something like that
will help? It works well here - all the goodies are enabled:
[ 42.781] (II) Reloading /usr/lib64/xorg/modules/extensions/libdri2.so
[ 42.781] (II) NVIDIA(1): [DRI2] Setup complete
[ 42.781] (II) NVIDIA(1): [DRI2] VDPAU driver: nvidia
[ 42.781] (==) RandR enabled
[ 42.781] (II) Initializing built-in extension Generic Event Extension
[ 42.781] (II) Initializing built-in extension SHAPE
[ 42.781] (II) Initializing built-in extension MIT-SHM
[ 42.781] (II) Initializing built-in extension XInputExtension
[ 42.781] (II) Initializing built-in extension XTEST
[ 42.781] (II) Initializing built-in extension BIG-REQUESTS
[ 42.781] (II) Initializing built-in extension SYNC
[ 42.781] (II) Initializing built-in extension XKEYBOARD
[ 42.781] (II) Initializing built-in extension XC-MISC
[ 42.781] (II) Initializing built-in extension XINERAMA
[ 42.781] (II) Initializing built-in extension XFIXES
[ 42.781] (II) Initializing built-in extension RENDER
[ 42.781] (II) Initializing built-in extension RANDR
[ 42.781] (II) Initializing built-in extension COMPOSITE
[ 42.781] (II) Initializing built-in extension DAMAGE
[ 42.782] (II) Initializing extension GLX
chris
> I'm using an ubuntu 12.04.2. I created a file /etc/inittab where I added:
>
> c1:2345:respawn:/sbin/agetty -8 38400 tty1 linux
> c2:2345:respawn:/sbin/agetty -8 38400 tty2 linux
> c3:2345:respawn:/sbin/agetty -8 38400 tty3 linux
> c4:2345:respawn:/sbin/agetty -8 38400 tty4 linux
>
> And I also added "lxc.tty = 4" in my lxc configuration file but There
> is still a problem with /dev/tty2.
>
> If anyone has some hints or any links to help me he is welcome :)
>
> Note: I tested the xorg.conf outside the container (ie on the host) and
> it is working. Now I want to do the same but in the container so on the
> host I did an "rmmod" on the nvidia kernel module and halted the X
> server.
>
> The complete lxc config file is pasted at the end of the email.
>
> Regards,
> Guillaume
>
>
> lxc.network.type=veth
> lxc.network.link=local_br
> lxc.network.name=eth0
> lxc.network.flags=up
> lxc.network.hwaddr = 52:54:BE:EF:4b:96
>
> lxc.network.type=veth
> lxc.network.link=mngmtbr
> lxc.network.name=eth1
> lxc.network.flags=up
> lxc.network.hwaddr = 52:54:BE:EF:4b:97
>
> #Network is configured inside the guest otherwise
> #gateway is not well sets. Maybe a LXC bug...
> #lxc.network.ipv4=192.168.35.13/24
> #lxc.network.ipv4.gateway=192.168.35.1
> lxc.utsname = testvm1
>
> lxc.devttydir = lxc
> lxc.tty = 4
> lxc.pts = 1024
> lxc.mount = /var/lib/lxc/testvm1/fstab
> lxc.arch = amd64
> lxc.cap.drop = mac_admin
> lxc.pivotdir = lxc_putold
>
> # uncomment the next line to run the container unconfined:
> #lxc.aa_profile = unconfined
>
> lxc.cgroup.devices.deny = a
> # Allow any mknod (but not using the node)
> lxc.cgroup.devices.allow = c *:* m
> lxc.cgroup.devices.allow = b *:* m
>
> # /dev/mem
> lxc.cgroup.devices.allow = c 1:1 rwm
> # /dev/null and zero
> lxc.cgroup.devices.allow = c 1:3 rwm
> lxc.cgroup.devices.allow = c 1:5 rwm
>
> # consoles
> lxc.cgroup.devices.allow = c 5:1 rwm
> lxc.cgroup.devices.allow = c 5:0 rwm
> lxc.cgroup.devices.allow = c 4:0 rwm
> lxc.cgroup.devices.allow = c 4:1 rwm
> lxc.cgroup.devices.allow = c 4:2 rwm
> lxc.cgroup.devices.allow = c 4:3 rwm
> lxc.cgroup.devices.allow = c 4:4 rwm
>
> # /dev/{,u}random
> lxc.cgroup.devices.allow = c 1:9 rwm
> lxc.cgroup.devices.allow = c 1:8 rwm
> lxc.cgroup.devices.allow = c 136:* rwm
> lxc.cgroup.devices.allow = c 5:2 rwm
>
> # rtc
> lxc.cgroup.devices.allow = c 254:0 rwm
>
> #fuse
> lxc.cgroup.devices.allow = c 10:229 rwm
>
> #tun
> lxc.cgroup.devices.allow = c 10:200 rwm
>
> #full
> lxc.cgroup.devices.allow = c 1:7 rwm
>
> #hpet
> lxc.cgroup.devices.allow = c 10:228 rwm
>
> #kvm
> lxc.cgroup.devices.allow = c 10:232 rwm
>
> # vga_arbiter
> lxc.cgroup.devices.allow = c 10:63 rwm
>
> # nvidia
> lxc.cgroup.devices.allow = c 195:* rwm
>
> # fb0
> lxc.cgroup.devices.allow = c 29:0 rwm
>
> lxc.rootfs = /dev/lxcvg/testvm1lv
>
>
>
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