[Users] vzctl lockup

[Mark Olliver]

vzctl start xxx lockups after adding ip addresses and then can not be
killed. The out put of strace is below as it the messages log.

The server is ubuntu 9.04 with kernel 2.6.24.


strace output:
ioctl(4, 0x4018280

'4' is /dev/vzctl




/var/log/messages
Jul 28 20:05:30 eu-box10 kernel: [2778415.943648] Modules linked in:
simfs nfsd auth_rpcgss exportfs nfs lockd nfs_acl sunrpc tcp_bic drbd
vzethdev vznetdev vzdquota vzmon ipt_REJECT vzdev xt_tcpudp
iptable_filter ip_tables x_tables bridge kvm_intel kvm ipmi_devintf
ipmi_si ipmi_msghandler video output 8021q lp parport iTCO_wdt serio_raw
i5000_edac iTCO_vendor_support shpchp edac_core pcspkr psmouse joydev
mptsas mptscsih mptbase usbhid e1000 megaraid_sas scsi_transport_sas
bnx2 raid10 raid456 async_xor async_memcpy async_tx xor raid1 raid0
multipath linear
Jul 28 20:05:30 eu-box10 kernel: [2778416.036679] Pid: 31985, comm:
vzctl Tainted:  G      D 2.6.24 #12 ovz009
Jul 28 20:05:30 eu-box10 kernel: [2778416.050404] RIP:
0010:[<ffffffff88218a1e>]
[<ffffffff88218a1e>] :vzmon:alloc_ve_tty_driver+0x3e/0x110
Jul 28 20:05:30 eu-box10 kernel: [2778416.069356] RSP:
0018:ffff8103caf7dd38  EFLAGS: 00010286
Jul 28 20:05:30 eu-box10 kernel: [2778416.080306] RAX: ffff810437233000
RBX: ffff810437233000 RCX: 000000000000003c
Jul 28 20:05:30 eu-box10 kernel: [2778416.094909] RDX: 0000000000000000
RSI: 0000000000000000 RDI: ffff810437233000
Jul 28 20:05:30 eu-box10 kernel: [2778416.109515] RBP: ffff8103caf7dd58
R08: 0000000000000000 R09: 00000000002000d0
Jul 28 20:05:30 eu-box10 kernel: [2778416.124119] R10: 00000000ffffffff
R11: ffffffff88218a0b R12: 0000000000000000
Jul 28 20:05:30 eu-box10 kernel: [2778416.138725] R13: ffff810559f68000
R14: ffff8107ecf70000 R15: ffffffff8076f8a0
Jul 28 20:05:30 eu-box10 kernel: [2778416.153330] FS:
00002b07f44f46f0(0000) GS:ffff81087d86c200(0000) knlGS:0000000000000000
Jul 28 20:05:30 eu-box10 kernel: [2778416.169841] CS:  0010 DS: 0000 ES:
0000 CR0: 000000008005003b
Jul 28 20:05:30 eu-box10 kernel: [2778416.181658] CR2: 0000000000000000
CR3: 00000002c2313000 CR4: 00000000000026a0
Jul 28 20:05:30 eu-box10 kernel: [2778416.196265] DR0: 0000000000000000
DR1: 0000000000000000 DR2: 0000000000000000
Jul 28 20:05:30 eu-box10 kernel: [2778416.210871] DR3: 0000000000000000
DR6: 00000000ffff0ff0 DR7: 0000000000000400
Jul 28 20:05:30 eu-box10 kernel: [2778416.225477] Process vzctl (pid:
31985, veid=0, threadinfo ffff8103caf7c000, task ffff8103fba74000)
Jul 28 20:05:30 eu-box10 kernel: [2778416.243724] Stack:
ffff8103fba74000 0000000000000000 ffff8103fba74000 ffff810559f68000
Jul 28 20:05:30 eu-box10 kernel: [2778416.260117]  ffff8103caf7ddf8
ffffffff88219fdb ffff81087152a440 000000000002da9f
Jul 28 20:05:30 eu-box10 kernel: [2778416.275285]  ffff810559f68030
ffff810559f68038 ffffffff80772f80 ffffffff80772f80
Jul 28 20:05:30 eu-box10 kernel: [2778416.290082] Call Trace:
Jul 28 20:05:30 eu-box10 kernel: [2778416.295685]
[<ffffffff88219fdb>] :vzmon:real_env_create+0xdeb/0x1460
Jul 28 20:05:30 eu-box10 kernel: [2778416.308893]
[<ffffffff8821aa49>] :vzmon:vzcalls_ioctl+0x3f9/0x560
Jul 28 20:05:30 eu-box10 kernel: [2778416.321580]  [__up_read+0x8f/0xb0]
__up_read+0x8f/0xb0
Jul 28 20:05:30 eu-box10 kernel: [2778416.332012]
[<ffffffff8820d202>] :vzdev:vzctl_ioctl+0x52/0x78
Jul 28 20:05:30 eu-box10 kernel: [2778416.344006]  [do_ioctl+0x31/0xa0]
do_ioctl+0x31/0xa0
Jul 28 20:05:30 eu-box10 kernel: [2778416.354263]  [vfs_ioctl
+0x273/0x2e0] vfs_ioctl+0x273/0x2e0
Jul 28 20:05:30 eu-box10 kernel: [2778416.365040]  [sys_ioctl+0x4a/0x80]
sys_ioctl+0x4a/0x80
Jul 28 20:05:30 eu-box10 kernel: [2778416.375474]  [system_call
+0x7e/0x83] system_call+0x7e/0x83
Jul 28 20:05:30 eu-box10 kernel: [2778416.386250]
Jul 28 20:05:30 eu-box10 kernel: [2778416.389570]
Jul 28 20:05:30 eu-box10 kernel: [2778416.389570] Code: f3 48 a5 48 c7
80 00 01 00 00 00 00 00 00 f6 83 cc 00 00 00
Jul 28 20:05:30 eu-box10 kernel: [2778416.422163]  RSP
<ffff8103caf7dd38>
Jul 28 20:05:30 eu-box10 kernel: [2778416.436829] ---[ end trace
a1599b1d0c4702b2 ]---