[libvirt] libvirtd 0.6.3 - Kernel Panic - 2.6.27-openvz-briullov.1

[Evan Borgstrom]

Hi,

I have a machine running 4 OpenVZ VE's and am looking at libvirt as a  
management tool.

My machine is a Sun Fire X2250 with 1 CPU and 4GB of RAM running Gentoo.

When I start libvirtd the output below appears in the dmesg output and  
the machine continues to function for about 30s longer before it  
starts dumping piles of continuous backtrace onto the console.

Can I provide anymore info that will help diagnose this problem or  
should I open a bug about this?

Thanks!
-Evan

[  426.613841] WARNING: at fs/sysfs/dir.c:463 sysfs_add_one+0x2a/0x36()
[  426.613843] sysfs: duplicate filename 'lo' can not be created
[  426.613845] Modules linked in: ipt_MASQUERADE iptable_nat nf_nat  
nf_conntrack_ipv4 xt_state nf_conntrack ipt_REJECT iptable_filter  
ip_tables simfs vznetdev vzrst vzcpt tun vzdquota vzethdev vzmon vzdev  
8021q bridge stp llc
[  426.613859] Pid: 17966, comm: libvirtd Not tainted 2.6.27-openvz- 
briullov.1-r1-fb3 #1
[  426.613863]  [<c022291e>] warn_slowpath+0x4b/0x6c
[  426.613869]  [<c0333d00>] ? vsnprintf+0x233/0x531
[  426.613874]  [<c02294d1>] ? __sysctl_head_next+0x14/0x99
[  426.613878]  [<c032f826>] ? idr_get_empty_slot+0x13c/0x1f0
[  426.613883]  [<c032f9aa>] ? ida_get_new_above+0xd0/0x171
[  426.613887]  [<c028f9ca>] ? find_inode+0x1f/0x5b
[  426.613891]  [<c02bbf5c>] ? sysfs_ilookup_test+0x0/0x11
[  426.613894]  [<c028fac5>] ? ifind+0x32/0x71
[  426.613897]  [<c02bc129>] ? sysfs_find_dirent+0x16/0x27
[  426.613900]  [<c02bc2b9>] sysfs_add_one+0x2a/0x36
[  426.613903]  [<c02bc773>] create_dir+0x43/0x72
[  426.613906]  [<c02bc7e9>] sysfs_create_dir+0x47/0x5b
[  426.613909]  [<c033028b>] ? kobject_get+0x12/0x17
[  426.613912]  [<c0330390>] kobject_add_internal+0xb2/0x153
[  426.613915]  [<c03304dc>] kobject_add_varg+0x35/0x41
[  426.613919]  [<c033054d>] kobject_add+0x43/0x49
[  426.613921]  [<c03888e8>] device_add+0x7f/0x470
[  426.613926]  [<c027cd9d>] ? __percpu_alloc_mask+0xb6/0xd5
[  426.613931]  [<c023e5e7>] ? ub_slab_charge+0x4c/0x65
[  426.613935]  [<c03330fe>] ? strlcpy+0x17/0x49
[  426.613938]  [<c045a40c>] netdev_register_kobject+0x59/0x5c
[  426.613943]  [<c0451afe>] register_netdevice+0x270/0x332
[  426.613947]  [<c0451bf2>] register_netdev+0x32/0x3f
[  426.613950]  [<c03ad540>] loopback_net_init+0x34/0x63
[  426.613955]  [<c044d1eb>] setup_net+0x71/0xbb
[  426.613958]  [<c044d534>] copy_net_ns+0x3d/0x99
[  426.613960]  [<c023712b>] create_new_namespaces+0x109/0x196
[  426.613965]  [<c0237370>] copy_namespaces+0x62/0x92
[  426.613967]  [<c0221a50>] copy_process+0x8df/0x105a
[  426.613971]  [<c02222b6>] do_fork_pid+0xeb/0x25a
[  426.613973]  [<c027f8a2>] ? __fput+0x138/0x140
[  426.613977]  [<c0222438>] do_fork+0x13/0x15
[  426.613980]  [<c02023cb>] sys_clone+0x1f/0x21
[  426.613983]  [<c020399e>] syscall_call+0x7/0xb
[  426.613986]  [<c04f0000>] ? init_scattered_cpuid_features+0x4f/0x7d
[  426.613992]  =======================
[  426.613994] ---[ end trace 3809b0ba52b812c7 ]---
[  426.613997] kobject_add_internal failed for lo with -EEXIST, don't  
try to register things with the same name in the same directory.
[  426.614001] Pid: 17966, comm: libvirtd Tainted: G        W 2.6.27- 
openvz-briullov.1-r1-fb3 #1
[  426.614004]  [<c033041f>] kobject_add_internal+0x141/0x153
[  426.614008]  [<c03304dc>] kobject_add_varg+0x35/0x41
[  426.614011]  [<c033054d>] kobject_add+0x43/0x49
[  426.614014]  [<c03888e8>] device_add+0x7f/0x470
[  426.614017]  [<c027cd9d>] ? __percpu_alloc_mask+0xb6/0xd5
[  426.614020]  [<c023e5e7>] ? ub_slab_charge+0x4c/0x65
[  426.614024]  [<c03330fe>] ? strlcpy+0x17/0x49
[  426.614027]  [<c045a40c>] netdev_register_kobject+0x59/0x5c
[  426.614030]  [<c0451afe>] register_netdevice+0x270/0x332
[  426.614033]  [<c0451bf2>] register_netdev+0x32/0x3f
[  426.614036]  [<c03ad540>] loopback_net_init+0x34/0x63
[  426.614040]  [<c044d1eb>] setup_net+0x71/0xbb
[  426.614042]  [<c044d534>] copy_net_ns+0x3d/0x99
[  426.614045]  [<c023712b>] create_new_namespaces+0x109/0x196
[  426.614048]  [<c0237370>] copy_namespaces+0x62/0x92
[  426.614051]  [<c0221a50>] copy_process+0x8df/0x105a
[  426.614054]  [<c02222b6>] do_fork_pid+0xeb/0x25a
[  426.614057]  [<c027f8a2>] ? __fput+0x138/0x140
[  426.614060]  [<c0222438>] do_fork+0x13/0x15
[  426.614063]  [<c02023cb>] sys_clone+0x1f/0x21
[  426.614066]  [<c020399e>] syscall_call+0x7/0xb
[  426.614068]  [<c04f0000>] ? init_scattered_cpuid_features+0x4f/0x7d
[  426.614073]  =======================

--
Evan Borgstrom <evan at fatbox.ca> - FatBox Inc.
Find me on LinkedIn - http://www.linkedin.com/in/evanb