Re: [Lxc-users] lxc-stop crashes the host
Am Dienstag, 25. Oktober 2011, 08:52:58 schrieb Ulli Horlacher: On Mon 2011-10-24 (18:56), Ulli Horlacher wrote: vms1 is an Ubuntu 10.04 based host system (4 * Xeon 64bit) with: root@vms1:/lxc# uname -a Linux vms1 2.6.38-11-server #50~lucid1-Ubuntu SMP Tue Sep 13 22:10:53 UTC 2011 x86_64 GNU/Linux Today 2.6.38-12-server has come. But when I try to stop this container with: root@vms1:/lxc# lxc-stop -n fex the host (vms1) crashes with a kernel traceback. The bug is still there. But I was able to localize what triggers this bug: I am able to start/stop the container if I do not use iptables inside the container. When I set my ipfilter rules with iptables and then try to stop the container, the host crashes again. It seems as you trigger a netfilter bug (http://bugzilla.netfilter.org/show_bug.cgi?id=726). Try to modprobe nfnetfilter as early as possible in user space (Ubuntu hint add to /etc/modules). Best regards Joerg -- The demand for IT networking professionals continues to grow, and the demand for specialized networking skills is growing even more rapidly. Take a complimentary Learning@Cisco Self-Assessment and learn about Cisco certifications, training, and career opportunities. http://p.sf.net/sfu/cisco-dev2dev ___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
Re: [Lxc-users] lxc-stop crashes the host
On Tue 2011-10-25 (09:11), Joerg Gollnick wrote: Try to modprobe nfnetfilter as early as possible in user space (Ubuntu hint add to /etc/modules). There is no such module: root@vms1:/etc# lsmod | grep filter iptable_filter 12810 1 ip_tables 27177 2 iptable_nat,iptable_filter x_tables 29521 8 ipt_MASQUERADE,iptable_nat,ipt_REJECT,xt_state,ipt_LOG,xt_tcpudp,iptable_filter,ip_tables root@vms1:/etc# modprobe nfnetfilter FATAL: Module nfnetfilter not found. root@vms1:/etc# locate nfnetfilter root@vms1:/etc# uname -a Linux vms1 2.6.38-12-server #51~lucid1-Ubuntu SMP Thu Sep 29 20:09:53 UTC 2011 x86_64 GNU/Linux -- Ullrich Horlacher Server- und Arbeitsplatzsysteme Rechenzentrum E-Mail: horlac...@rus.uni-stuttgart.de Universitaet Stuttgart Tel:++49-711-685-65868 Allmandring 30 Fax:++49-711-682357 70550 Stuttgart (Germany) WWW:http://www.rus.uni-stuttgart.de/ -- The demand for IT networking professionals continues to grow, and the demand for specialized networking skills is growing even more rapidly. Take a complimentary Learning@Cisco Self-Assessment and learn about Cisco certifications, training, and career opportunities. http://p.sf.net/sfu/cisco-dev2dev ___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
Re: [Lxc-users] lxc-stop crashes the host
On Tue 2011-10-25 (08:58), Jean-Philippe Menil wrote: your kernel seems to have CONFIG_NETFILTER_XT_MATCH_RECENT set? root@vms1:/etc# uname -a Linux vms1 2.6.38-12-server #51~lucid1-Ubuntu SMP Thu Sep 29 20:09:53 UTC 2011 x86_64 GNU/Linux root@vms1:/etc# grep CONFIG_NETFILTER_XT_MATCH_RECENT /boot/config-2.6.38-12-server CONFIG_NETFILTER_XT_MATCH_RECENT=m Do you use the recent match in your iptables rules? Yes. -- Ullrich Horlacher Server- und Arbeitsplatzsysteme Rechenzentrum E-Mail: horlac...@rus.uni-stuttgart.de Universitaet Stuttgart Tel:++49-711-685-65868 Allmandring 30 Fax:++49-711-682357 70550 Stuttgart (Germany) WWW:http://www.rus.uni-stuttgart.de/ -- The demand for IT networking professionals continues to grow, and the demand for specialized networking skills is growing even more rapidly. Take a complimentary Learning@Cisco Self-Assessment and learn about Cisco certifications, training, and career opportunities. http://p.sf.net/sfu/cisco-dev2dev ___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
Re: [Lxc-users] lxc-stop crashes the host
On Tue 2011-10-25 (12:50), Joerg Gollnick wrote: Am Dienstag, 25. Oktober 2011, 12:36:36 schrieb Ulli Horlacher: On Tue 2011-10-25 (09:11), Joerg Gollnick wrote: Try to modprobe nfnetfilter as early as possible in user space (Ubuntu hint add to /etc/modules). There is no such module: root@vms1:/etc# lsmod | grep filter iptable_filter 12810 1 ip_tables 27177 2 iptable_nat,iptable_filter x_tables 29521 8 ipt_MASQUERADE,iptable_nat,ipt_REJECT,xt_state,ipt_LOG,xt_tcpudp,iptable_fi lter,ip_tables root@vms1:/etc# modprobe nfnetfilter FATAL: Module nfnetfilter not found. root@vms1:/etc# locate nfnetfilter root@vms1:/etc# uname -a Linux vms1 2.6.38-12-server #51~lucid1-Ubuntu SMP Thu Sep 29 20:09:53 UTC 2011 x86_64 GNU/Linux Sorry my fault, module should read as nfnetlink. Does not work :-( Added nfnetlink to /etc/modules and rebooted: root@vms1:~# lsmod | grep nfn nfnetlink 14327 0 root@vms1:/lxc# lxc-start -f fex.cfg -n fex -d -o fex.log root@vms1:/lxc# lxc -l container disk (MB)RAM (MB) start-PIDstatus bunny - 0 0 stopped fex- 33337 running ubuntu - 0 0 stopped vmtest1- 0 0 stopped vmtest8- 0 0 stopped root@vms1:/lxc# lxc-stop -n fex ... and crash, again. -- Ullrich Horlacher Server- und Arbeitsplatzsysteme Rechenzentrum E-Mail: horlac...@rus.uni-stuttgart.de Universitaet Stuttgart Tel:++49-711-685-65868 Allmandring 30 Fax:++49-711-682357 70550 Stuttgart (Germany) WWW:http://www.rus.uni-stuttgart.de/ -- The demand for IT networking professionals continues to grow, and the demand for specialized networking skills is growing even more rapidly. Take a complimentary Learning@Cisco Self-Assessment and learn about Cisco certifications, training, and career opportunities. http://p.sf.net/sfu/cisco-dev2dev ___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
Re: [Lxc-users] lxc-stop crashes the host
Le 25/10/2011 14:39, Ulli Horlacher a écrit : On Tue 2011-10-25 (08:58), Jean-Philippe Menil wrote: Do you use the recent match in your iptables rules? THIS was the decisive tip! After commenting out the iptables -m recent rules in the container boot configuration, the host does not crash any more on lxc-stop! I can live without the iptables recent config for the next time, but I hope this kernel bug will be fixed in the future. Shall I submit it as a kernel bug? Where? Ok, so it seems there is a problem with recent match and network namespaces. You can report the bug on the netfilter-dev mailing list, i suppose, but it's preferable to have a full trace of the crash. Regards. -- Jean-Philippe Menil - Pôle réseau Service IRTS DSI Université de Nantes jean-philippe.me...@univ-nantes.fr Tel : 02.53.48.49.27 - Fax : 02.53.48.49.09 -- The demand for IT networking professionals continues to grow, and the demand for specialized networking skills is growing even more rapidly. Take a complimentary Learning@Cisco Self-Assessment and learn about Cisco certifications, training, and career opportunities. http://p.sf.net/sfu/cisco-dev2dev ___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
Re: [Lxc-users] lxc-stop crashes the host
Quoting Ulli Horlacher (frams...@rus.uni-stuttgart.de): On Mon 2011-10-24 (18:56), Ulli Horlacher wrote: vms1 is an Ubuntu 10.04 based host system (4 * Xeon 64bit) with: root@vms1:/lxc# uname -a Linux vms1 2.6.38-11-server #50~lucid1-Ubuntu SMP Tue Sep 13 22:10:53 UTC 2011 x86_64 GNU/Linux Today 2.6.38-12-server has come. But when I try to stop this container with: root@vms1:/lxc# lxc-stop -n fex the host (vms1) crashes with a kernel traceback. The bug is still there. But I was able to localize what triggers this bug: I am able to start/stop the container if I do not use iptables inside the container. When I set my ipfilter rules with iptables and then try to stop the container, the host crashes again. Daniel, one of your emails yesterday implied you've figured out the cause? Is that the case? thanks, -serge -- The demand for IT networking professionals continues to grow, and the demand for specialized networking skills is growing even more rapidly. Take a complimentary Learning@Cisco Self-Assessment and learn about Cisco certifications, training, and career opportunities. http://p.sf.net/sfu/cisco-dev2dev ___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
Re: [Lxc-users] lxc-stop crashes the host
On 10/25/2011 03:09 PM, Serge E. Hallyn wrote: Quoting Ulli Horlacher (frams...@rus.uni-stuttgart.de): On Mon 2011-10-24 (18:56), Ulli Horlacher wrote: vms1 is an Ubuntu 10.04 based host system (4 * Xeon 64bit) with: root@vms1:/lxc# uname -a Linux vms1 2.6.38-11-server #50~lucid1-Ubuntu SMP Tue Sep 13 22:10:53 UTC 2011 x86_64 GNU/Linux Today 2.6.38-12-server has come. But when I try to stop this container with: root@vms1:/lxc# lxc-stop -n fex the host (vms1) crashes with a kernel traceback. The bug is still there. But I was able to localize what triggers this bug: I am able to start/stop the container if I do not use iptables inside the container. When I set my ipfilter rules with iptables and then try to stop the container, the host crashes again. Daniel, one of your emails yesterday implied you've figured out the cause? Is that the case? I am not 100% sure but I think the recent iptables should be flushed before exiting the namespace. I am setting up a qemu with a custom kernel to check the fix works. With the robbery of my laptop bag with the laptop and the backup disk, I have to put in place my testing environment from scratch *gasp* :/ -- The demand for IT networking professionals continues to grow, and the demand for specialized networking skills is growing even more rapidly. Take a complimentary Learning@Cisco Self-Assessment and learn about Cisco certifications, training, and career opportunities. http://p.sf.net/sfu/cisco-dev2dev ___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
Re: [Lxc-users] lxc-stop crashes the host
Quoting Ulli Horlacher (frams...@rus.uni-stuttgart.de): vms1 is an Ubuntu 10.04 based host system (4 * Xeon 64bit) with: root@vms1:/lxc# uname -a Linux vms1 2.6.38-11-server #50~lucid1-Ubuntu SMP Tue Sep 13 22:10:53 UTC 2011 x86_64 GNU/Linux root@vms1:/lxc# lxc-version lxc version: 0.7.5 I can start (Ubuntu 10.04) containers without problems: root@vms1:/lxc# lxc-start -f fex.cfg -n fex -d -o fex.log root@vms1:/lxc# lxc-info -n fex state: RUNNING pid: 4073 But when I try to stop this container with: root@vms1:/lxc# lxc-stop -n fex the host (vms1) crashes with a kernel traceback. After reboot of vms1 no crash traces are found in /var/log/ I have attached vms1 to a console server, where I can make screenshots: http://fex.rus.uni-stuttgart.de/tmp/vms1-crash.png It's a pity, but this console server (HP IP console) cannot log ASCII based, it is GUI only. I can make only screenshots and cannot scroll back, so the beginning of the kernel crash message is missing. Any tips for debugging or even problem solving? Can you use some screencast program to grab the video as the error passes by on the gui? Then export a .jpg from the screencast video? -- The demand for IT networking professionals continues to grow, and the demand for specialized networking skills is growing even more rapidly. Take a complimentary Learning@Cisco Self-Assessment and learn about Cisco certifications, training, and career opportunities. http://p.sf.net/sfu/cisco-dev2dev ___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
Re: [Lxc-users] lxc-stop crashes the host
Le 24/10/2011 19:46, Ulli Horlacher a écrit : 2011-10-24 19:34:40 [ 318.526208] br0: port 2(veth2WqDOb) entering forwarding state 2011-10-24 19:34:40 [ 318.675038] br0: port 2(veth2WqDOb) entering disabled state 2011-10-24 19:34:40 [ 318.703903] [ cut here ] 2011-10-24 19:34:40 [ 318.703960] kernel BUG at /build/buildd/linux-lts-backport-maverick-2.6.35/net/netfilter/xt_recent.c:609! Hi, try to load netconsole with appropriate config instead of screenshot. It's a know bug with kernel 2.6.37, take a lokk at this thread, one year ago: https://lkml.org/lkml/2010/8/5/120 Regards -- Jean-Philippe Menil - Pôle réseau Service IRTS DSI Université de Nantes jean-philippe.me...@univ-nantes.fr Tel : 02.53.48.49.27 - Fax : 02.53.48.49.09 -- The demand for IT networking professionals continues to grow, and the demand for specialized networking skills is growing even more rapidly. Take a complimentary Learning@Cisco Self-Assessment and learn about Cisco certifications, training, and career opportunities. http://p.sf.net/sfu/cisco-dev2dev ___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
Re: [Lxc-users] lxc-stop crashes the host
On 10/24/2011 07:46 PM, Ulli Horlacher wrote: On Mon 2011-10-24 (12:33), Serge E. Hallyn wrote: http://fex.rus.uni-stuttgart.de/tmp/vms1-crash.png It's a pity, but this console server (HP IP console) cannot log ASCII based, it is GUI only. I can make only screenshots and cannot scroll back, so the beginning of the kernel crash message is missing. Any tips for debugging or even problem solving? Can you use some screencast program to grab the video as the error passes by on the gui? Then export a .jpg from the screencast video? I have now booted vms1 with kernel 2.6.35 instead of 2.6.38 (as before)/ This kernel crashes also on lxc-stop but it writes something to /var/log/kern.log : 2011-10-24 19:34:40 [ 318.526208] br0: port 2(veth2WqDOb) entering forwarding state 2011-10-24 19:34:40 [ 318.675038] br0: port 2(veth2WqDOb) entering disabled state 2011-10-24 19:34:40 [ 318.703903] [ cut here ] 2011-10-24 19:34:40 [ 318.703960] kernel BUG at /build/buildd/linux-lts-backport-maverick-2.6.35/net/netfilter/xt_recent.c:609! 2011-10-24 19:34:40 [ 318.704017] invalid opcode: [#1] SMP 2011-10-24 19:34:40 [ 318.704137] last sysfs file: /sys/devices/system/cpu/cpu3/cache/index1/shared_cpu_map 2011-10-24 19:34:40 [ 318.704189] CPU 3 2011-10-24 19:34:40 [ 318.704231] Modules linked in: xt_recent veth btrfs zlib_deflate crc32c libcrc32c ufs qnx4 hfsplus hfs minix ntfs vfat msdos fat jfs xfs reiserfs nfs fscache pci_stub vboxpci vboxnetadp vboxnetflt vboxdrv nfsd lockd nfs_acl auth_rpcgss sunrpc exportfs ipt_MASQUERADE iptable_nat nf_nat ipt_REJECT kvm_intel kvm nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ipt_LOG xt_tcpudp iptable_filter ip_tables x_tables bridge 8021q garp stp ppdev parport_pc i5000_edac edac_core i5k_amb psmouse serio_raw shpchp lp parport tg3 floppy megaraid_sas 2011-10-24 19:34:40 [ 318.706762] 2011-10-24 19:34:40 [ 318.706806] Pid: 21, comm: netns Not tainted 2.6.35-30-server #60~lucid1-Ubuntu D2119/PRIMERGY RX300 S3 2011-10-24 19:34:40 [ 318.706861] RIP: 0010:[a08eb0ac] [a08eb0ac] recent_net_exit+0x3c/0x40 [xt_recent] 2011-10-24 19:34:40 [ 318.706960] RSP: 0018:880236d67d90 EFLAGS: 00010283 2011-10-24 19:34:40 [ 318.707008] RAX: 88022c0a46e0 RBX: a08ec860 RCX: 0281 2011-10-24 19:34:40 [ 318.707059] RDX: 880235ba5200 RSI: 880236d67dd0 RDI: 88022a6b8880 2011-10-24 19:34:40 [ 318.707124] RBP: 880236d67d90 R08: f000f000 R09: 2011-10-24 19:34:40 [ 318.707189] R10: 88022a6c4000 R11: ffc8ffc8 R12: 88022a6b8880 2011-10-24 19:34:40 [ 318.707253] R13: 880236d67dd0 R14: 880001e18dc0 R15: 880236d67fd8 2011-10-24 19:34:40 [ 318.707319] FS: () GS:880001f8() knlGS: 2011-10-24 19:34:40 [ 318.707400] CS: 0010 DS: ES: CR0: 8005003b 2011-10-24 19:34:40 [ 318.707463] CR2: 7f0c32bf61e0 CR3: 000232f69000 CR4: 06e0 2011-10-24 19:34:40 [ 318.707528] DR0: DR1: DR2: 2011-10-24 19:34:40 [ 318.707593] DR3: DR6: 0ff0 DR7: 0400 2011-10-24 19:34:40 [ 318.707659] Process netns (pid: 21, threadinfo 880236d66000, task 880236d5c4d0) 2011-10-24 19:34:40 [ 318.707738] Stack: 2011-10-24 19:34:40 [ 318.707793] 880236d67dc0 814ac4a6 880236d67da0 880236d67dd0 2011-10-24 19:34:40 [ 318.707970] 0 a08ec860 814ac780 880236d67e00 814ac88b 2011-10-24 19:34:40 [ 318.708234] 0 88022a6b88a8 88022a6b88a8 88022a6b8898 88022a6b8898 2011-10-24 19:34:40 [ 318.708547] Call Trace: 2011-10-24 19:34:40 [ 318.708613] [814ac4a6] ops_exit_list+0x36/0x70 2011-10-24 19:34:40 [ 318.708677] [814ac780] ? cleanup_net+0x0/0x1c0 2011-10-24 19:34:40 [ 318.708741] [814ac88b] cleanup_net+0x10b/0x1c0 2011-10-24 19:34:40 [ 318.708808] [8107b2a5] run_workqueue+0xc5/0x1a0 2011-10-24 19:34:40 [ 318.708872] [8107b423] worker_thread+0xa3/0x110 2011-10-24 19:34:40 [ 318.708936] [810800d0] ? autoremove_wake_function+0x0/0x40 2011-10-24 19:34:40 [ 318.709002] [8107b380] ? worker_thread+0x0/0x110 2011-10-24 19:34:40 [ 318.709066] [8107fb56] kthread+0x96/0xa0 2011-10-24 19:34:40 [ 318.709131] [8100aee4] kernel_thread_helper+0x4/0x10 2011-10-24 19:34:40 [ 318.709195] [8107fac0] ? kthread+0x0/0xa0 2011-10-24 19:34:40 [ 318.709257] [8100aee0] ? kernel_thread_helper+0x0/0x10 2011-10-24 19:34:40 [ 318.709320] Code: 97 48 08 00 00 85 c0 74 1e 3b 02 77 1a 48 98 48 8b 44 c2 10 48 3b 00 75 12 48 c7 c6 52 c6 8e a0 e8 8a b3 8c e0 c9 c3 0f 0b eb fe 0f 0b eb fe 55 48 89 e5 53 48 83 ec 08 0f 1f 44 00 00 8b 05 74
Re: [Lxc-users] lxc-stop crashes the host
On 10/24/2011 07:46 PM, Ulli Horlacher wrote: On Mon 2011-10-24 (12:33), Serge E. Hallyn wrote: http://fex.rus.uni-stuttgart.de/tmp/vms1-crash.png It's a pity, but this console server (HP IP console) cannot log ASCII based, it is GUI only. I can make only screenshots and cannot scroll back, so the beginning of the kernel crash message is missing. Any tips for debugging or even problem solving? Can you use some screencast program to grab the video as the error passes by on the gui? Then export a .jpg from the screencast video? I have now booted vms1 with kernel 2.6.35 instead of 2.6.38 (as before)/ This kernel crashes also on lxc-stop but it writes something to /var/log/kern.log : Can you send the iptables rules defined within the container if there are ? Thanks -- Daniel -- The demand for IT networking professionals continues to grow, and the demand for specialized networking skills is growing even more rapidly. Take a complimentary Learning@Cisco Self-Assessment and learn about Cisco certifications, training, and career opportunities. http://p.sf.net/sfu/cisco-dev2dev ___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
Re: [Lxc-users] lxc-stop crashes the host
On 10/24/2011 08:59 PM, Daniel Lezcano wrote: On 10/24/2011 07:46 PM, Ulli Horlacher wrote: On Mon 2011-10-24 (12:33), Serge E. Hallyn wrote: http://fex.rus.uni-stuttgart.de/tmp/vms1-crash.png It's a pity, but this console server (HP IP console) cannot log ASCII based, it is GUI only. I can make only screenshots and cannot scroll back, so the beginning of the kernel crash message is missing. Any tips for debugging or even problem solving? Can you use some screencast program to grab the video as the error passes by on the gui? Then export a .jpg from the screencast video? I have now booted vms1 with kernel 2.6.35 instead of 2.6.38 (as before)/ This kernel crashes also on lxc-stop but it writes something to /var/log/kern.log : Can you send the iptables rules defined within the container if there are Never mind, with the lkml link Jean-Philippe has just send I was able to reproduce the problem on a 3.0 kernel :/ It is weird this bug is not fixed... -- The demand for IT networking professionals continues to grow, and the demand for specialized networking skills is growing even more rapidly. Take a complimentary Learning@Cisco Self-Assessment and learn about Cisco certifications, training, and career opportunities. http://p.sf.net/sfu/cisco-dev2dev ___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
Re: [Lxc-users] lxc-stop crashes the host
On Mon 2011-10-24 (20:56), Daniel Lezcano wrote: I have now booted vms1 with kernel 2.6.35 instead of 2.6.38 (as before)/ This kernel crashes also on lxc-stop but it writes something to /var/log/kern.log : (...) 2011-10-24 19:34:40 [ 318.711984] ---[ end trace 20014711382a5389 ]--- Do you have also the fixing recursive fault but reboot is needed right after the end trace ? No, that was all in the log. -- Ullrich Horlacher Server- und Arbeitsplatzsysteme Rechenzentrum E-Mail: horlac...@rus.uni-stuttgart.de Universitaet Stuttgart Tel:++49-711-685-65868 Allmandring 30 Fax:++49-711-682357 70550 Stuttgart (Germany) WWW:http://www.rus.uni-stuttgart.de/ -- The demand for IT networking professionals continues to grow, and the demand for specialized networking skills is growing even more rapidly. Take a complimentary Learning@Cisco Self-Assessment and learn about Cisco certifications, training, and career opportunities. http://p.sf.net/sfu/cisco-dev2dev ___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
Re: [Lxc-users] lxc-stop crashes the host
On Mon 2011-10-24 (21:04), Daniel Lezcano wrote: On 10/24/2011 08:40 PM, Jean-Philippe Menil wrote: Le 24/10/2011 19:46, Ulli Horlacher a écrit : 2011-10-24 19:34:40 [ 318.526208] br0: port 2(veth2WqDOb) entering forwarding state 2011-10-24 19:34:40 [ 318.675038] br0: port 2(veth2WqDOb) entering disabled state 2011-10-24 19:34:40 [ 318.703903] [ cut here ] 2011-10-24 19:34:40 [ 318.703960] kernel BUG at /build/buildd/linux-lts-backport-maverick-2.6.35/net/netfilter/xt_recent.c:609! Hi, try to load netconsole with appropriate config instead of screenshot. It's a know bug with kernel 2.6.37, It seems this bug appears with a 2.6.38-11 kernel version also. Yes, see my first mail on this subject: root@vms1:/lxc# uname -a Linux vms1 2.6.38-11-server #50~lucid1-Ubuntu SMP Tue Sep 13 22:10:53 UTC 2011 x86_64 GNU/Linux -- Ullrich Horlacher Server- und Arbeitsplatzsysteme Rechenzentrum E-Mail: horlac...@rus.uni-stuttgart.de Universitaet Stuttgart Tel:++49-711-685-65868 Allmandring 30 Fax:++49-711-682357 70550 Stuttgart (Germany) WWW:http://www.rus.uni-stuttgart.de/ -- The demand for IT networking professionals continues to grow, and the demand for specialized networking skills is growing even more rapidly. Take a complimentary Learning@Cisco Self-Assessment and learn about Cisco certifications, training, and career opportunities. http://p.sf.net/sfu/cisco-dev2dev ___ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
