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'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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