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</o:shapelayout></xml><![endif]--></head><body lang=ZH-CN link=blue vlink=purple style='text-justify-trim:punctuation'><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Hi all<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>My OS get crashed when I start more then 20 containers. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>OS</span><span style='font-family:宋体'>:</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Cent OS 6.4<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Lxc version</span><span style='font-family:宋体'>:</span><span lang=EN-US>0.8.0<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>uname –a<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Linux lxc 2.6.32-358.6.2.el6.x86_64 #1 SMP Thu May 16 20:59:36 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Part of vmcore-dmesg.txt</span><span style='font-family:宋体'>:</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><6>br0: port 73(vethu6B7Bf) entering forwarding state<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><7>SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><7>SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><6>br0: port 64(vethT6IQft) entering forwarding state<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><7>SELinux: initialized (dev devpts, type devpts), uses transition SIDs<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><6>br0: port 65(vethknYQMF) entering forwarding state<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><6>br0: port 66(vethm89XzF) entering forwarding state<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><7>SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><7>SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><7>SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><7>SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><7>SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><7>SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><7>SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><7>SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><7>SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><7>SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><7>SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><7>SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><7>SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><7>SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><7>SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><7>SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><1>BUG: unable to handle kernel NULL pointer dereference at 0000000000000008<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><1>IP: [<ffffffff81448834>] process_backlog+0x74/0x100<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><4>PGD 0<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><4>Oops: 0002 [#1] SMP<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><4>last sysfs file: /sys/devices/virtual/net/vethu6B7Bf/flags<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><4>CPU 70<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><4>Modules linked in: veth autofs4 sunrpc cpufreq_ondemand acpi_cpufreq freq_table mperf bridge stp llc ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv4 iptable_filter ip_tables ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables ipv6 microcode mlx4_core igb dca ptp pps_core i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support sg i7core_edac edac_core ext4 mbcache jbd2 sr_mod cdrom sd_mod crc_t10dif pata_acpi ata_generic ata_piix megaraid_sas dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan]<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><4><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><4>Pid: 0, comm: swapper Not tainted 2.6.32-358.6.2.el6.x86_64 #1 Supermicro X8OBN/X8OBN<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><7>SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><4><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><4>RIP: 0010:[<ffffffff81448834>] [<ffffffff81448834>] process_backlog+0x74/0x100<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><4>RSP: 0018:ffff8800282c3e20 EFLAGS: 00010002<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><4>RAX: ffff8800282d3ef0 RBX: ffff8800282d3f08 RCX: 0000000000000000<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><4>RDX: 0000000000000000 RSI: ffff88401e1e8c80 RDI: ffff88401e1e8d80<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><4>RBP: ffff8800282c3e60 R08: 0000000000000000 R09: ffff8840259ed038<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><4>R10: ffff8a0022126e20 R11: ffff894022d45200 R12: ffff8800282d3e80<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><4>R13: 0000000000000014 R14: ffff8800282d3ef0 R15: ffff8800282d3f04<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><4>FS: 0000000000000000(0000) GS:ffff8800282c0000(0000) knlGS:0000000000000000<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><4>CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><4>CR2: 0000000000000008 CR3: 0000000001a85000 CR4: 00000000000007e0<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Container config</span><span style='font-family:宋体'>:</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>lxc.tty = 4<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>lxc.pts = 1024<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>lxc.cgroup.devices.deny = a<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>lxc.network.type = veth<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>lxc.network.ipv4 = 172.16.40.153/16<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>lxc.network.flags = up<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>lxc.network.link = br0<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US># /dev/null and zero<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>lxc.cgroup.devices.allow = c 1:3 rwm<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>lxc.cgroup.devices.allow = c 1:5 rwm<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US># consoles<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>lxc.cgroup.devices.allow = c 5:1 rwm<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>lxc.cgroup.devices.allow = c 5:0 rwm<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>lxc.cgroup.devices.allow = c 4:0 rwm<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>lxc.cgroup.devices.allow = c 4:1 rwm<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US># /dev/{,u}random<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>lxc.cgroup.devices.allow = c 1:9 rwm<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>lxc.cgroup.devices.allow = c 1:8 rwm<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>lxc.cgroup.devices.allow = c 136:* rwm<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>lxc.cgroup.devices.allow = c 5:2 rwm<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US># rtc<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>lxc.cgroup.devices.allow = c 254:0 rwm<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US># mounts point<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>lxc.mount.entry=proc /usr/local/var/lib/lxc/lxc-tpl-server/rootfs/proc proc nodev,noexec,nosuid 0 0<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>lxc.mount.entry=sysfs /usr/local/var/lib/lxc/lxc-tpl-server/rootfs/sys sysfs defaults 0 0<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>lxc.utsname = idleserver00<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>lxc.rootfs = /usr/local/var/lib/lxc/idleserver00/rootfs<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>lxc.cgroup.blkio.throttle.read_bps_device = 8:0 104857600<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>lxc.cgroup.blkio.throttle.write_bps_device = 8:0 104857600<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I searched but cant find why or how to fix it<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><div style='mso-element:para-border-div;border:none;border-bottom:solid windowtext 1.0pt;padding:0cm 0cm 1.0pt 0cm'><p class=MsoNormal style='border:none;padding:0cm'><span lang=EN-US>Thanks,<o:p></o:p></span></p><p class=MsoNormal style='border:none;padding:0cm'><span lang=EN-US><o:p> </o:p></span></p></div><p class=MsoNormal><span lang=EN-US>yaozhicheng@emails.bjut.edu.cn<o:p></o:p></span></p></div></body></html>