Re: [Lxc-users] Problem with lxc and mutliple ips
Thanks Tamas and Guido for your help. Dealing with stp options on the bridge wasn't a good option for us because we don't use a closed network solution and it could shutdown our provider net. (if they use stp too) We figured out that interfaces starts smoother in lxc if we set lxc.network.hwaddr. Sometimes an ip won't get configured for the first time but that repairs a arping or pinging the gateway inside container. Regards, Andreas Am 11.10.2013 14:58, schrieb Tamas Papp: On 10/11/2013 02:42 PM, Andreas Laut wrote: Hi, actually can't get lxc nightly compiled with debian right now, configure has problems with pkg-config python3-dev (package pkg-config and python3-dev is installed) (configure line 5588) I tried instead lxc 0.9 from tarball and got the same problem. Our LXC Config is attached, maybe this helps. Our lxc-host bridge is configured like auto br0 iface br0 inet static bridge_ports eth4 bridge_stp off address 10.5.255.80 netmask 255.255.0.0 gateway 10.5.255.252 I used to add bridge_fd 0 bridge_maxwait 0 to the bridge config. tamas -- October Webinars: Code for Performance Free Intel webinars can help you accelerate application performance. Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from the latest Intel processors and coprocessors. See abstracts and register http://pubads.g.doubleclick.net/gampad/clk?id=60134071iu=/4140/ostg.clktrk ___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users -- October Webinars: Code for Performance Free Intel webinars can help you accelerate application performance. Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from the latest Intel processors and coprocessors. See abstracts and register http://pubads.g.doubleclick.net/gampad/clk?id=60135031iu=/4140/ostg.clktrk ___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
Re: [Lxc-users] Problem with lxc and mutliple ips
Ok, sorry. You're right. We are using a bridge named br0 bound to eth0 at lxc host. On the containers we are using veth, but this problem happens also with type macvlan. No change at all. We also tried using hwaddr. We're doing further research in hope to show a way to reproduce this for you. Andreas Am 11.10.2013 09:41, schrieb Jäkel, Guido: Dear Andreas, please substantiate your term start a lxc with multiple IPs and the line If we are using only one IP for LXC, all is fine: What kind of network setup do you use, is it e.g. a bridge on the lxc host and veth's on the containers? A guess might be that you have a MAC address clash; did you override the lxc.network.hwaddr? Guido -Original Message- From: Andreas Laut [mailto:andreas.l...@spark5.de] Sent: Friday, October 11, 2013 8:53 AM To: lxc-users@lists.sourceforge.net Subject: [Spam-Wahrscheinlichkeit=45][Lxc-users] Problem with lxc and mutliple ips Dear list, we are using lxc 0.8 on Debian Wheezy (official debian package). Now we wanted to start a lxc with more than one IP address and we have gotten strange behaviors. As starting the lxc some IPs are reachable, some not. If we shut down the lxc and boot again, some other IPs are reachable. There seams no logic behind this. And - in no time - there were all IPs reachable. If we are using only one IP for LXC, all is fine. Do someone else have gotten this problem? All help and ideas are appreciated. -- October Webinars: Code for Performance Free Intel webinars can help you accelerate application performance. Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from the latest Intel processors and coprocessors. See abstracts and register http://pubads.g.doubleclick.net/gampad/clk?id=60134071iu=/4140/ostg.clktrk ___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
Re: [Lxc-users] Problem with lxc and mutliple ips
On 10/11/2013 10:40 AM, Andreas Laut wrote: Ok, sorry. You're right. We are using a bridge named br0 bound to eth0 at lxc host. On the containers we are using veth, but this problem happens also with type macvlan. No change at all. We also tried using hwaddr. We're doing further research in hope to show a way to reproduce this for you. Are you able to reproduce that against recent nightly build? tamas -- October Webinars: Code for Performance Free Intel webinars can help you accelerate application performance. Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from the latest Intel processors and coprocessors. See abstracts and register http://pubads.g.doubleclick.net/gampad/clk?id=60134071iu=/4140/ostg.clktrk ___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
Re: [Lxc-users] Problem with lxc and mutliple ips
Dear Andreas, Thank you for the first clarification. But now I want to ask what exactly is not working: * Are you trying to use more than one Containers with one IP or one Container with more than one IP? * Are you using the same subnets? * From what location you can't reach the IP, did this station list the right MAC in it's ARP table at least? * Can you reach the LXC host from there? Can you reach others from the Host? Can you reach the host or others from the Containers? * Has your host an IP (on the bridge)? Is STP enabled, is the forward delay and hello time at an appropriate low value? * Is the Host connected to a Switched Network? What did you observe here with respect to the used MACs / IPs? Greetings Guido -Original Message- From: Andreas Laut [mailto:andreas.l...@spark5.de] Sent: Friday, October 11, 2013 10:41 AM To: Jäkel, Guido; 'lxc-users@lists.sourceforge.net' Subject: Re: [Lxc-users] Problem with lxc and mutliple ips Ok, sorry. You're right. We are using a bridge named br0 bound to eth0 at lxc host. On the containers we are using veth, but this problem happens also with type macvlan. No change at all. We also tried using hwaddr. We're doing further research in hope to show a way to reproduce this for you. Andreas Am 11.10.2013 09:41, schrieb Jäkel, Guido: Dear Andreas, please substantiate your term start a lxc with multiple IPs and the line If we are using only one IP for LXC, all is fine: What kind of network setup do you use, is it e.g. a bridge on the lxc host and veth's on the containers? A guess might be that you have a MAC address clash; did you override the lxc.network.hwaddr? Guido -Original Message- From: Andreas Laut [mailto:andreas.l...@spark5.de] Sent: Friday, October 11, 2013 8:53 AM To: lxc-users@lists.sourceforge.net Subject: [Spam-Wahrscheinlichkeit=45][Lxc-users] Problem with lxc and mutliple ips Dear list, we are using lxc 0.8 on Debian Wheezy (official debian package). Now we wanted to start a lxc with more than one IP address and we have gotten strange behaviors. As starting the lxc some IPs are reachable, some not. If we shut down the lxc and boot again, some other IPs are reachable. There seams no logic behind this. And - in no time - there were all IPs reachable. If we are using only one IP for LXC, all is fine. Do someone else have gotten this problem? All help and ideas are appreciated. -- October Webinars: Code for Performance Free Intel webinars can help you accelerate application performance. Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from the latest Intel processors and coprocessors. See abstracts and register http://pubads.g.doubleclick.net/gampad/clk?id=60134071iu=/4140/ostg.clktrk ___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
Re: [Lxc-users] Problem with lxc and mutliple ips
Hi, actually can't get lxc nightly compiled with debian right now, configure has problems with pkg-config python3-dev (package pkg-config and python3-dev is installed) (configure line 5588) I tried instead lxc 0.9 from tarball and got the same problem. Our LXC Config is attached, maybe this helps. Our lxc-host bridge is configured like auto br0 iface br0 inet static bridge_ports eth4 bridge_stp off address 10.5.255.80 netmask 255.255.0.0 gateway 10.5.255.252 Andreas Am 11.10.2013 10:45, schrieb Tamas Papp: On 10/11/2013 10:40 AM, Andreas Laut wrote: Ok, sorry. You're right. We are using a bridge named br0 bound to eth0 at lxc host. On the containers we are using veth, but this problem happens also with type macvlan. No change at all. We also tried using hwaddr. We're doing further research in hope to show a way to reproduce this for you. Are you able to reproduce that against recent nightly build? tamas -- October Webinars: Code for Performance Free Intel webinars can help you accelerate application performance. Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from the latest Intel processors and coprocessors. See abstracts and register http://pubads.g.doubleclick.net/gampad/clk?id=60134071iu=/4140/ostg.clktrk ___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users # /var/lib/lxc/lxc-container/config ## Container lxc.utsname = lxc-container lxc.network.type= veth lxc.network.flags = up lxc.network.link= br0 lxc.network.ipv4= 10.05.225.10/16 lxc.network.type= veth lxc.network.flags = up lxc.network.link= br0 lxc.network.ipv4= 10.05.225.11/16 lxc.network.type= veth lxc.network.flags = up lxc.network.link= br0 lxc.network.ipv4= 10.05.100.12/16 lxc.network.type= veth lxc.network.flags = up lxc.network.link= br0 lxc.network.ipv4= 10.05.100.13/16 lxc.network.type= veth lxc.network.flags = up lxc.network.link= br0 lxc.network.ipv4= 10.05.225.14/16 lxc.network.ipv4.gateway= 10.05.255.252 lxc.rootfs = /var/lib/lxc/lxc-container/rootfs lxc.arch= x86_64 #lxc.console= /var/log/lxc/lxc-container.console lxc.tty = 5 lxc.pts = 1024 ## Capabilities lxc.cap.drop= mac_admin lxc.cap.drop= mac_override lxc.cap.drop= sys_admin lxc.cap.drop= sys_module lxc.cap.drop= sys_rawio ## Devices # Allow all devices #lxc.cgroup.devices.allow = a # Deny all devices lxc.cgroup.devices.deny = a # Allow to mknod all devices (but not using them) lxc.cgroup.devices.allow= c *:* m lxc.cgroup.devices.allow= b *:* m # /dev/console lxc.cgroup.devices.allow= c 5:1 rwm # /dev/fuse lxc.cgroup.devices.allow= c 10:229 rwm # /dev/null lxc.cgroup.devices.allow= c 1:3 rwm # /dev/ptmx lxc.cgroup.devices.allow= c 5:2 rwm # /dev/pts/* lxc.cgroup.devices.allow= c 136:* rwm # /dev/random lxc.cgroup.devices.allow= c 1:8 rwm # /dev/rtc lxc.cgroup.devices.allow= c 254:0 rwm # /dev/tty lxc.cgroup.devices.allow= c 5:0 rwm # /dev/urandom lxc.cgroup.devices.allow= c 1:9 rwm # /dev/zero lxc.cgroup.devices.allow= c 1:5 rwm ## Limits #lxc.cgroup.cpu.shares = 1024 #lxc.cgroup.cpuset.cpus = 0 #lxc.cgroup.memory.limit_in_bytes = 4G #lxc.cgroup.memory.memsw.limit_in_bytes = 1G #lxc.cgroup.blkio.weight= 500 ## Filesystem lxc.mount.entry = proc /var/lib/lxc/lxc-container/rootfs/proc proc nodev,noexec,nosuid,ro 0 0 lxc.mount.entry = sysfs /var/lib/lxc/lxc-container/rootfs/sys sysfs defaults,ro 0 0 -- October Webinars: Code for Performance Free Intel webinars can help you accelerate application performance. Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from the latest Intel processors and
Re: [Lxc-users] Problem with lxc and mutliple ips
Sorry, found the mistake in my lxc config by myself, need to do further tests. Am 11.10.2013 14:42, schrieb Andreas Laut: Hi, actually can't get lxc nightly compiled with debian right now, configure has problems with pkg-config python3-dev (package pkg-config and python3-dev is installed) (configure line 5588) I tried instead lxc 0.9 from tarball and got the same problem. Our LXC Config is attached, maybe this helps. Our lxc-host bridge is configured like auto br0 iface br0 inet static bridge_ports eth4 bridge_stp off address 10.5.255.80 netmask 255.255.0.0 gateway 10.5.255.252 Andreas Am 11.10.2013 10:45, schrieb Tamas Papp: On 10/11/2013 10:40 AM, Andreas Laut wrote: Ok, sorry. You're right. We are using a bridge named br0 bound to eth0 at lxc host. On the containers we are using veth, but this problem happens also with type macvlan. No change at all. We also tried using hwaddr. We're doing further research in hope to show a way to reproduce this for you. Are you able to reproduce that against recent nightly build? tamas -- October Webinars: Code for Performance Free Intel webinars can help you accelerate application performance. Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from the latest Intel processors and coprocessors. See abstracts and register http://pubads.g.doubleclick.net/gampad/clk?id=60134071iu=/4140/ostg.clktrk ___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users -- October Webinars: Code for Performance Free Intel webinars can help you accelerate application performance. Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from the latest Intel processors and coprocessors. See abstracts and register http://pubads.g.doubleclick.net/gampad/clk?id=60134071iu=/4140/ostg.clktrk ___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users -- October Webinars: Code for Performance Free Intel webinars can help you accelerate application performance. Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from the latest Intel processors and coprocessors. See abstracts and register http://pubads.g.doubleclick.net/gampad/clk?id=60134071iu=/4140/ostg.clktrk___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
Re: [Lxc-users] Problem with lxc and mutliple ips
On 10/11/2013 02:42 PM, Andreas Laut wrote: Hi, actually can't get lxc nightly compiled with debian right now, configure has problems with pkg-config python3-dev (package pkg-config and python3-dev is installed) (configure line 5588) I tried instead lxc 0.9 from tarball and got the same problem. Our LXC Config is attached, maybe this helps. Our lxc-host bridge is configured like auto br0 iface br0 inet static bridge_ports eth4 bridge_stp off address 10.5.255.80 netmask 255.255.0.0 gateway 10.5.255.252 I used to add bridge_fd 0 bridge_maxwait 0 to the bridge config. tamas -- October Webinars: Code for Performance Free Intel webinars can help you accelerate application performance. Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from the latest Intel processors and coprocessors. See abstracts and register http://pubads.g.doubleclick.net/gampad/clk?id=60134071iu=/4140/ostg.clktrk ___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
Re: [Lxc-users] Problem with lxc
Quoting Kristian Kirilov (d3v1...@d3v1ous.info): ... lxc-checkconfig show this status: blackbird:~# lxc-checkconfig Kernel config /proc/config.gz not found, looking in other places... Found kernel config file /boot/config-3.0.4 --- Namespaces --- Namespaces: enabled Utsname namespace: enabled Ipc namespace: enabled Pid namespace: enabled User namespace: enabled Network namespace: enabled Multiple /dev/pts instances: enabled --- Control groups --- Cgroup: enabled Cgroup namespace: required This one should be fine to ignore. I've sent a patch to not warn about this when there's not an actual problem. Do you get a failure when you actually try to start a container? Cgroup device: enabled Cgroup sched: enabled Cgroup cpu account: enabled Cgroup memory controller: enabled Cgroup cpuset: enabled --- Misc --- Veth pair device: enabled Macvlan: enabled Vlan: enabled File capabilities: enabled Note : Before booting a new kernel, you can check its configuration usage : CONFIG=/path/to/config /usr/local/bin/lxc-checkconfig blackbird:~# Can somebody help to me to fix this issue? Thanks -- BlackBerryreg; DevCon Americas, Oct. 18-20, San Francisco, CA http://p.sf.net/sfu/rim-devcon-copy2 ___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users -- BlackBerryreg; DevCon Americas, Oct. 18-20, San Francisco, CA Learn about the latest advances in developing for the BlackBerryreg; mobile platform with sessions, labs more. See new tools and technologies. Register for BlackBerryreg; DevCon today! http://p.sf.net/sfu/rim-devcon-copy1 ___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
Re: [Lxc-users] Problem with lxc-attach on Linux v3.1.0
Thanks Daniel! The linux-3.0 patches don't seem to be working for me unfortunately. I compiled lxc-0.7.5 with the patched linux-3.0. After starting a container foo via lxc-execute,I ran the following command: $ lxc-attach -n foo -- /bin/bash When I run lxc-attach, I get the following error: lxc-attach: Function not implemented - failed to set namespace 'pid' lxc-attach: failed to enter the namespace Upon more probing into the errno, I found: errno = 38 strerror says: Function not implemented The required ns files do seem to be present in /proc/pid/ns: $ ls /proc/28559/ns/ ipc mnt net pid user uts I also double-checked that all the setns patches were properly applied to the kernel: $ quilt top 0016-ns-proc-Enable-setns-for-support-for-the-pid-namespa.patch I'd appreciate any help in fixing this error. Thanks, Nikhil On Wed, Sep 7, 2011 at 6:55 AM, Matteo Bernardini matteo.bernard...@gmail.com wrote: http://lxc.sourceforge.net/patches/linux/3.0.0/3.0.0-lxc1/ I've done a quick try of the patches with linux-3.0.4 with lxc-0.7.5, slackware64-13.37 and my existing containers and I'm able to turn them off easily with lxc-attach -n mycontainer -- /sbin/halt \o/ I'll test them more, but in the meantime thanks Daniel! Matteo -- Using storage to extend the benefits of virtualization and iSCSI Virtualization increases hardware utilization and delivers a new level of agility. Learn what those decisions are and how to modernize your storage and backup environments for virtualization. http://www.accelacomm.com/jaw/sfnl/114/51434361/ ___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users -- Doing More with Less: The Next Generation Virtual Desktop What are the key obstacles that have prevented many mid-market businesses from deploying virtual desktops? How do next-generation virtual desktops provide companies an easier-to-deploy, easier-to-manage and more affordable virtual desktop model.http://www.accelacomm.com/jaw/sfnl/114/51426474/___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
Re: [Lxc-users] Problem with lxc-attach on Linux v3.1.0
I just tried running lxc-attach with linux-2.6.38. I got the same error as with linux-3.0 -- Function not implemented - failed to set namespace 'pid'. Here's the exact sequence of steps that I followed: Compiled linux-2.6.38.2 with the corresponding setns patches ( http://lxc.sourceforge.net/patches/linux/2.6.38/2.6.38.2-lxc1/). Rebooted into 2.6.38.2 $ uname -a Linux nf-build2 2.6.38.2-lxc-0.7.4-with-setns #1 SMP Thu Sep 8 08:42:40 PDT 2011 x86_64 GNU/Linux Compiled lxc-0.7.4: $ git checkout lxc-0.7.4 $ ./configure; make; sudo make install Created a container: # lxc-execute -n foo -f /etc/mn/host.conf -- /bin/bash root@mnhost:~# In a separate terminal, tried running lxc-attach: # lxc-attach -n foo -- /bin/bash lxc-attach: Function not implemented - failed to set namespace 'pid' lxc-attach: failed to enter the namespace Even in linux-2.6.38.2, lxc-attach is failing at the point where it calls setns. Am I doing something wrong here? By the way, I'm using Ubuntu 8.04, if that makes any difference. Thanks, Nikhil On Thu, Sep 8, 2011 at 8:23 AM, Nikhil Handigol nikhil.handi...@gmail.comwrote: Thanks Daniel! The linux-3.0 patches don't seem to be working for me unfortunately. I compiled lxc-0.7.5 with the patched linux-3.0. After starting a container foo via lxc-execute,I ran the following command: $ lxc-attach -n foo -- /bin/bash When I run lxc-attach, I get the following error: lxc-attach: Function not implemented - failed to set namespace 'pid' lxc-attach: failed to enter the namespace Upon more probing into the errno, I found: errno = 38 strerror says: Function not implemented The required ns files do seem to be present in /proc/pid/ns: $ ls /proc/28559/ns/ ipc mnt net pid user uts I also double-checked that all the setns patches were properly applied to the kernel: $ quilt top 0016-ns-proc-Enable-setns-for-support-for-the-pid-namespa.patch I'd appreciate any help in fixing this error. Thanks, Nikhil On Wed, Sep 7, 2011 at 6:55 AM, Matteo Bernardini matteo.bernard...@gmail.com wrote: http://lxc.sourceforge.net/patches/linux/3.0.0/3.0.0-lxc1/ I've done a quick try of the patches with linux-3.0.4 with lxc-0.7.5, slackware64-13.37 and my existing containers and I'm able to turn them off easily with lxc-attach -n mycontainer -- /sbin/halt \o/ I'll test them more, but in the meantime thanks Daniel! Matteo -- Using storage to extend the benefits of virtualization and iSCSI Virtualization increases hardware utilization and delivers a new level of agility. Learn what those decisions are and how to modernize your storage and backup environments for virtualization. http://www.accelacomm.com/jaw/sfnl/114/51434361/ ___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users -- Doing More with Less: The Next Generation Virtual Desktop What are the key obstacles that have prevented many mid-market businesses from deploying virtual desktops? How do next-generation virtual desktops provide companies an easier-to-deploy, easier-to-manage and more affordable virtual desktop model.http://www.accelacomm.com/jaw/sfnl/114/51426474/___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
Re: [Lxc-users] Problem with lxc-attach on Linux v3.1.0
On 09/08/2011 06:30 PM, Nikhil Handigol wrote: I just tried running lxc-attach with linux-2.6.38. I got the same error as with linux-3.0 -- Function not implemented - failed to set namespace 'pid'. Here's the exact sequence of steps that I followed: Compiled linux-2.6.38.2 with the corresponding setns patches ( http://lxc.sourceforge.net/patches/linux/2.6.38/2.6.38.2-lxc1/). Rebooted into 2.6.38.2 $ uname -a Linux nf-build2 2.6.38.2-lxc-0.7.4-with-setns #1 SMP Thu Sep 8 08:42:40 PDT 2011 x86_64 GNU/Linux Compiled lxc-0.7.4: $ git checkout lxc-0.7.4 $ ./configure; make; sudo make install Is it possible you have another lxc version installed on your system ? For instance, /usr/bin and the one you are compiling is installed in /usr/local/bin. -- Doing More with Less: The Next Generation Virtual Desktop What are the key obstacles that have prevented many mid-market businesses from deploying virtual desktops? How do next-generation virtual desktops provide companies an easier-to-deploy, easier-to-manage and more affordable virtual desktop model.http://www.accelacomm.com/jaw/sfnl/114/51426474/ ___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
Re: [Lxc-users] Problem with lxc-attach on Linux v3.1.0
Just to be sure that wasn't the case, I tried running the executable directly from the lxc source directory. I got the same error: $ cd src/lxc $ ./lxc-execute -n foo -f /etc/mn/host.conf -- /bin/bash root@mnhost:/home/nikhilh/lxc/src/lxc# In another terminal: $ cd src/lxc $ ./lxc-attach -n foo -- /bin/bash lxc-attach: Function not implemented - failed to set namespace 'pid' lxc-attach: failed to enter the namespace -- Nikhil On Thu, Sep 8, 2011 at 9:40 AM, Daniel Lezcano daniel.lezc...@free.frwrote: On 09/08/2011 06:30 PM, Nikhil Handigol wrote: I just tried running lxc-attach with linux-2.6.38. I got the same error as with linux-3.0 -- Function not implemented - failed to set namespace 'pid'. Here's the exact sequence of steps that I followed: Compiled linux-2.6.38.2 with the corresponding setns patches ( http://lxc.sourceforge.net/patches/linux/2.6.38/2.6.38.2-lxc1/). Rebooted into 2.6.38.2 $ uname -a Linux nf-build2 2.6.38.2-lxc-0.7.4-with-setns #1 SMP Thu Sep 8 08:42:40 PDT 2011 x86_64 GNU/Linux Compiled lxc-0.7.4: $ git checkout lxc-0.7.4 $ ./configure; make; sudo make install Is it possible you have another lxc version installed on your system ? For instance, /usr/bin and the one you are compiling is installed in /usr/local/bin. -- Doing More with Less: The Next Generation Virtual Desktop What are the key obstacles that have prevented many mid-market businesses from deploying virtual desktops? How do next-generation virtual desktops provide companies an easier-to-deploy, easier-to-manage and more affordable virtual desktop model.http://www.accelacomm.com/jaw/sfnl/114/51426474/___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
Re: [Lxc-users] Problem with lxc-attach on Linux v3.1.0
If I understand the lxc code right, it's failing in the function get_cgroup_mount in src/lxc/cgroup.c, which tries to read the cgroup mount point from /proc/mounts. /proc/mount seems to be fine on my machine: $ cat /proc/mounts ... ... cgroup /cgroup cgroup rw,relatime,blkio,net_cls,freezer,devices,memory,cpuacct,cpu,debug,cpuset,clone_children 0 0 The cgroup entry is present, but it seems it's unable to open /proc/mounts. -/\/ On Thu, Sep 8, 2011 at 1:16 PM, Nikhil Handigol nikhil.handi...@gmail.comwrote: Ah! That was something I had missed. I recompiled lxc with the --with-linuxdir option and the old error went away. Now I'm getting the following error: $ lxc-attach -n foo -- /bin/bash lxc-attach: No such file or directory - failed to open /proc/mounts lxc-attach: cgroup is not mounted lxc-attach: No such file or directory - failed to get cgroup path for cgroup foo On my machine, cgroup is mounted on /cgroup via the following command: mount -t cgroup cgroup /cgroup It looks like I also need to specify where cgroup is mounted? How do I do that? (I think we're close to getting this to work) Thanks, -/\/ On Thu, Sep 8, 2011 at 1:07 PM, Daniel Lezcano daniel.lezc...@free.frwrote: On 09/08/2011 07:12 PM, Nikhil Handigol wrote: It is indeed the case: $ type lxc-attach lxc-attach is /usr/local/bin/lxc-attach Ok. Did you specified the kernel source tree when invoking configure ? It is the --with-linuxdir=path_to_the_patched_kernel Make sure to remove src/lxc/setns.h file which is automatically generated. -- Doing More with Less: The Next Generation Virtual Desktop What are the key obstacles that have prevented many mid-market businesses from deploying virtual desktops? How do next-generation virtual desktops provide companies an easier-to-deploy, easier-to-manage and more affordable virtual desktop model.http://www.accelacomm.com/jaw/sfnl/114/51426474/___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
Re: [Lxc-users] Problem with lxc-attach on Linux v3.1.0
On Wed, 2011-09-07 at 10:38 +0200, Daniel Lezcano wrote: On 09/07/2011 02:17 AM, Nikhil Handigol wrote: Hi, I have been facing problems getting lxc (more specifically, lxc-attach) to work on Linux v3.1.0-rc4. When I run lxc-attach, I get the following error: $ lxc-attach -n foo -- /bin/bash lxc-attach: No such file or directory - failed to open '/proc/821/ns/pid' lxc-attach: failed to enter the namespace lxc-attach is ready but in the kernel there is a missing piece, the patchset is ready. We plan to have it for 3.2. Hi Daniel, Is there a place where one can find this patchset ? I've tried here: http://git.kernel.org/?p=linux/kernel/git/ebiederm/linux-namespace-control-devel.git but unfortunately kernel.org is still down because of security issues... Cheers. -- Gregory Kurz gk...@fr.ibm.com Software Engineer @ IBM/Meiosys http://www.ibm.com Tel +33 (0)534 638 479 Fax +33 (0)561 400 420 Anarchy is about taking complete responsibility for yourself. Alan Moore. -- Using storage to extend the benefits of virtualization and iSCSI Virtualization increases hardware utilization and delivers a new level of agility. Learn what those decisions are and how to modernize your storage and backup environments for virtualization. http://www.accelacomm.com/jaw/sfnl/114/51434361/ ___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
Re: [Lxc-users] Problem with lxc-attach on Linux v3.1.0
On 09/07/2011 11:33 AM, Greg Kurz wrote: On Wed, 2011-09-07 at 10:38 +0200, Daniel Lezcano wrote: On 09/07/2011 02:17 AM, Nikhil Handigol wrote: Hi, I have been facing problems getting lxc (more specifically, lxc-attach) to work on Linux v3.1.0-rc4. When I run lxc-attach, I get the following error: $ lxc-attach -n foo -- /bin/bash lxc-attach: No such file or directory - failed to open '/proc/821/ns/pid' lxc-attach: failed to enter the namespace lxc-attach is ready but in the kernel there is a missing piece, the patchset is ready. We plan to have it for 3.2. Hi Daniel, Is there a place where one can find this patchset ? I've tried here: http://git.kernel.org/?p=linux/kernel/git/ebiederm/linux-namespace-control-devel.git Uploaded at: http://lxc.sourceforge.net/patches/linux/3.0.0/3.0.0-lxc1/ Cheers -- Daniel -- Using storage to extend the benefits of virtualization and iSCSI Virtualization increases hardware utilization and delivers a new level of agility. Learn what those decisions are and how to modernize your storage and backup environments for virtualization. http://www.accelacomm.com/jaw/sfnl/114/51434361/ ___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
Re: [Lxc-users] Problem with lxc-attach on Linux v3.1.0
http://lxc.sourceforge.net/patches/linux/3.0.0/3.0.0-lxc1/ I've done a quick try of the patches with linux-3.0.4 with lxc-0.7.5, slackware64-13.37 and my existing containers and I'm able to turn them off easily with lxc-attach -n mycontainer -- /sbin/halt \o/ I'll test them more, but in the meantime thanks Daniel! Matteo -- Using storage to extend the benefits of virtualization and iSCSI Virtualization increases hardware utilization and delivers a new level of agility. Learn what those decisions are and how to modernize your storage and backup environments for virtualization. http://www.accelacomm.com/jaw/sfnl/114/51434361/ ___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
Re: [Lxc-users] Problem with lxc-attach on Linux v3.1.0
Thank you, Daniel. If lxc-attach enters the mainline kernels it will, with the LANA netgraph implementation, become a powerful tool for network simulation. The only component inside the kernel that is still missing are union mounts. On Wed, Sep 7, 2011 at 3:55 PM, Matteo Bernardini matteo.bernard...@gmail.com wrote: http://lxc.sourceforge.net/patches/linux/3.0.0/3.0.0-lxc1/ I've done a quick try of the patches with linux-3.0.4 with lxc-0.7.5, slackware64-13.37 and my existing containers and I'm able to turn them off easily with lxc-attach -n mycontainer -- /sbin/halt \o/ I'll test them more, but in the meantime thanks Daniel! Matteo -- Using storage to extend the benefits of virtualization and iSCSI Virtualization increases hardware utilization and delivers a new level of agility. Learn what those decisions are and how to modernize your storage and backup environments for virtualization. http://www.accelacomm.com/jaw/sfnl/114/51434361/ ___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users -- Using storage to extend the benefits of virtualization and iSCSI Virtualization increases hardware utilization and delivers a new level of agility. Learn what those decisions are and how to modernize your storage and backup environments for virtualization. http://www.accelacomm.com/jaw/sfnl/114/51434361/___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
