Smoke testing Clear Containers on RHEL7

gistfile1.txt

Roughly the diff from upstream Docker-1.8:
https://github.com/docker/docker/compare/release/1.8...clearlinux:clr-1.8.1-submit

# uname -r
3.10.0-316.el7.x86_64
# getenforce
Enforcing

# cd /etc/yum.repos.d/
# wget http://download.opensuse.org/repositories/home:clearlinux:preview/CentOS_7/home:clearlinux:preview.repo
# yum install clear-containers-docker -y

# rpm -ql linux-container
/usr/lib/kernel
/usr/lib/kernel/config-4.2.0-37.1.container
/usr/lib/kernel/vmlinux-4.2.0-37.1.container
/usr/lib/kernel/vmlinux.container
/usr/lib/kernel/vmlinuz-4.2.0-37.1.container
/usr/lib/kernel/vmlinuz.container

# systemctl start docker
# docker info|grep Execu
Execution Driver: clr-3090

# time docker run -d rhel7 sleep infinity
15b140a29f47d9e81393afdcf8956a1165760c10b1677779ad8289de24fa42cd

real	0m0.255s
user	0m0.013s
sys	0m0.008s


# ps auxwww|grep lkvm

root     21183  115  0.0 4136868 73672 ?       Ssl  17:51   0:33 lkvm run -c 6 -m 1024 --name 15b140a29f47d9e81393afdcf8956a1165760c10b1677779ad8289de24fa42cd --console virtio --kernel /usr/lib/kernel/vmlinux.container --params root=/dev/plkvm0p1 rootfstype=ext4 rootflags=dax,data=ordered init=/usr/lib/systemd/systemd systemd.unit=container.target rw tsc=reliable systemd.show_status=false no_timer_check rcupdate.rcu_expedited=1 console=hvc0 quiet ip=172.18.0.3::172.18.42.1::15b140a29f47::off --shmem 0x200000000:0:file=/var/lib/docker/clear-3090-containers.img:private --network mode=tap,script=none,tapif=tb-15b140a29f47,guest_mac=02:42:ac:12:00:03 --9p /var/lib/docker/overlay/15b140a29f47d9e81393afdcf8956a1165760c10b1677779ad8289de24fa42cd/merged rootfs

# docker run -it rhel7/rhel-tools bash
[root@f20847eabca2 /]# ip a l eth0
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 1000
    link/ether 02:42:ac:12:00:08 brd ff:ff:ff:ff:ff:ff
    inet 172.18.0.8/16 brd 172.18.255.255 scope global eth0
       valid_lft forever preferred_lft forever
    inet6 fe80::42:acff:fe12:8/64 scope link
       valid_lft forever preferred_lft forever
[root@f20847eabca2 /]# mpstat -P ALL
Linux 4.2.0-37.1.container (f20847eabca2) 09/18/2015 _x86_64_ (6 CPU)

05:38:02 PM  CPU    %usr   %nice    %sys %iowait    %irq   %soft  %steal  %guest  %gnice   %idle
05:38:02 PM  all    0.17    0.00    0.57    0.00    0.00    0.00    0.00    0.00    0.00   99.26
05:38:02 PM    0    0.11    0.00    1.23    0.00    0.00    0.00    0.00    0.00    0.00   98.66
05:38:02 PM    1    0.10    0.00    0.71    0.00    0.00    0.00    0.00    0.00    0.00   99.19
05:38:02 PM    2    0.30    0.00    0.61    0.00    0.00    0.00    0.00    0.00    0.00   99.09
05:38:02 PM    3    0.10    0.00    0.31    0.00    0.00    0.00    0.00    0.00    0.00   99.59
05:38:02 PM    4    0.00    0.00    0.20    0.00    0.00    0.00    0.00    0.00    0.00   99.80
05:38:02 PM    5    0.10    0.00    0.30    0.00    0.00    0.00    0.00    0.00    0.00   99.59
[root@f20847eabca2 /]# lscpu
lscpu: failed to determine number of CPUs: /sys/devices/system/cpu/possible: No such file or directory
[root@f20847eabca2 /]# uname -r
4.2.0-37.1.container



On an AMD system:

# docker run -it busybox sh
[    0.356313] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000004
[    0.356313]
[    0.356637] CPU: 0 PID: 1 Comm: systemd Tainted: G        W       4.2.0-37.1.container #1
[    0.356849]  ffffffff81620c00 ffff88003e073c58 ffffffff813a7c93 0000000000000001
[    0.356993]  ffffffff81507716 ffff88003e073cd8 ffffffff813a4c84 ffff88003e06cbc0
[    0.356993]  ffffffff00000010 ffff88003e073ce8 ffff88003e073c88 0000000000000000
[    0.356993] Call Trace:
[    0.356993]  [<ffffffff813a7c93>] dump_stack+0x45/0x57
[    0.356993]  [<ffffffff813a4c84>] panic+0xb9/0x1c5
[    0.356993]  [<ffffffff810548ca>] do_exit+0x473/0x87b
[    0.356993]  [<ffffffff81054d3e>] do_group_exit+0x3f/0x93
[    0.356993]  [<ffffffff8105caa0>] get_signal+0x476/0x4a2
[    0.356993]  [<ffffffff810022e4>] do_signal+0x23/0x494
[    0.356993]  [<ffffffff81002a53>] ? do_trap+0x10f/0x11e
[    0.356993]  [<ffffffff81027a1e>] ? __do_page_fault+0x2a4/0x31e
[    0.356993]  [<ffffffff8105ae4f>] ? __set_task_blocked+0x60/0x67
[    0.356993]  [<ffffffff81027a1e>] ? __do_page_fault+0x2a4/0x31e
[    0.356993]  [<ffffffff8105ae4f>] ? __set_task_blocked+0x60/0x67
[    0.356993]  [<ffffffff81002774>] do_notify_resume+0x1f/0x74
[    0.356993]  [<ffffffff813acd23>] retint_signal+0x3d/0x7a
[    0.356993] Kernel Offset: disabled
[    0.356993] Rebooting in 1 seconds..