Stuart, it looks like you are using NFS inside VE, so kthreads should be allowed via: # echo 1 > /proc/sys/kernel/ve_allow_kthreads
and these call traces will go away. If you experience a lockup again, please press Alt-SysRq-P multiple times and Alt-SysRq-T and provide the output (it can be collected e.g. via net or serial console) Thanks, Kirill Stuart MacIntosh wrote: > Hello everyone, > I'm frequently seeing errors in the logs upon VE start and during a > heavy I/O (cp /something /somwhere on HN) I had a lockup and kernel > panic but did not have a serial console attached to catch the panic > message sorry. > > Is this a bug? I found http://bugzilla.openvz.org/show_bug.cgi?id=470 > with similar problem but it says the bug is fixed(?) > > the errors look like this: > >>Jul 6 02:20:09 server01 kernel: lockd_down: no lockd running. >>Jul 6 02:20:11 server01 kernel: VE: 104: stopped >>Jul 6 02:20:12 server01 kernel: VE: 104: started >>Jul 6 02:20:26 server01 kernel: kernel_thread call inside VE >>Jul 6 02:20:26 server01 kernel: [<c0101569>] kernel_thread+0xc9/0xd0 >>Jul 6 02:20:26 server01 kernel: [<c01505ec>] __alloc_pages+0x2ac/0x370 >>Jul 6 02:20:26 server01 kernel: [<f8ea3080>] svc_create_thread+0x130/0x160 >>[sunrpc] >>Jul 6 02:20:26 server01 kernel: [<f8e89500>] lockd+0x0/0x360 [lockd] >>Jul 6 02:20:26 server01 kernel: [<f8e892dc>] lockd_up+0xfc/0x190 [lockd] >>Jul 6 02:20:26 server01 kernel: [<f8e89500>] lockd+0x0/0x360 [lockd] >>Jul 6 02:20:26 server01 kernel: [<f8f05ff3>] nfs_get_sb+0x513/0x7f0 [nfs] >>Jul 6 02:20:26 server01 kernel: [<f8f04c00>] nfs_compare_super+0x0/0x80 >>[nfs] >>Jul 6 02:20:26 server01 kernel: [<f8f04be0>] nfs_set_super+0x0/0x20 [nfs] >>Jul 6 02:20:26 server01 kernel: [<c0172b4c>] vfs_kern_mount+0x4c/0xa0 >>Jul 6 02:20:26 server01 kernel: [<c0172c12>] do_kern_mount+0x42/0x60 >>Jul 6 02:20:26 server01 kernel: [<c018aa8d>] do_mount+0x26d/0x7a0 >>Jul 6 02:20:26 server01 kernel: [<c013842a>] ub_slab_charge+0x7a/0x140 >>Jul 6 02:20:26 server01 kernel: [<c03fc6b6>] inet_csk_get_port+0x136/0x280 >>Jul 6 02:20:26 server01 kernel: [<c041ccd9>] inet_bind+0xd9/0x210 >>Jul 6 02:20:26 server01 kernel: [<c013c1ef>] pb_free+0x1f/0x30 >>Jul 6 02:20:26 server01 kernel: [<c01506dd>] __get_free_pages+0x2d/0x50 >>Jul 6 02:20:26 server01 kernel: [<c0189657>] copy_mount_options+0x47/0x130 >>Jul 6 02:20:26 server01 kernel: [<c018b058>] sys_mount+0x98/0xe0 >>Jul 6 02:20:26 server01 kernel: [<c0103083>] syscall_call+0x7/0xb >>Jul 6 02:20:26 server01 kernel: lockd_up: create thread failed, error=-1 >>Jul 6 02:43:29 server01 -- MARK -- >>Jul 6 03:02:43 server01 kernel: VE: 104: stopped >>Jul 6 03:02:43 server01 kernel: VE: 104: started >>Jul 6 03:03:13 server01 kernel: kernel_thread call inside VE >>Jul 6 03:03:13 server01 kernel: [<c0101569>] kernel_thread+0xc9/0xd0 >>Jul 6 03:03:13 server01 kernel: [<c01505ec>] __alloc_pages+0x2ac/0x370 >>Jul 6 03:03:13 server01 kernel: [<f8ea3080>] svc_create_thread+0x130/0x160 >>[sunrpc] >>Jul 6 03:03:13 server01 kernel: [<f8e89500>] lockd+0x0/0x360 [lockd] >>Jul 6 03:03:13 server01 kernel: [<f8e892dc>] lockd_up+0xfc/0x190 [lockd] >>Jul 6 03:03:13 server01 kernel: [<f8e89500>] lockd+0x0/0x360 [lockd] >>Jul 6 03:03:13 server01 kernel: [<f8f05ff3>] nfs_get_sb+0x513/0x7f0 [nfs] >>Jul 6 03:03:13 server01 kernel: [<f8f04c00>] nfs_compare_super+0x0/0x80 >>[nfs] >>Jul 6 03:03:13 server01 kernel: [<f8f04be0>] nfs_set_super+0x0/0x20 [nfs] >>Jul 6 03:03:13 server01 kernel: [<c0172b4c>] vfs_kern_mount+0x4c/0xa0 >>Jul 6 03:03:13 server01 kernel: [<c0172c12>] do_kern_mount+0x42/0x60 >>Jul 6 03:03:13 server01 kernel: [<c018aa8d>] do_mount+0x26d/0x7a0 >>Jul 6 03:03:13 server01 kernel: [<c013842a>] ub_slab_charge+0x7a/0x140 >>Jul 6 03:03:13 server01 kernel: [<c03fc6b6>] inet_csk_get_port+0x136/0x280 >>Jul 6 03:03:13 server01 kernel: [<c041ccd9>] inet_bind+0xd9/0x210 >>Jul 6 03:03:13 server01 kernel: [<c013c1ef>] pb_free+0x1f/0x30 >>Jul 6 03:03:13 server01 kernel: [<c01506dd>] __get_free_pages+0x2d/0x50 >>Jul 6 03:03:13 server01 kernel: [<c0189657>] copy_mount_options+0x47/0x130 >>Jul 6 03:03:13 server01 kernel: [<c018b058>] sys_mount+0x98/0xe0 >>Jul 6 03:03:13 server01 kernel: [<c0103083>] syscall_call+0x7/0xb >>Jul 6 03:03:13 server01 kernel: lockd_up: create thread failed, error=-1 >>Jul 6 03:05:05 server01 kernel: VE: 104: stopped >>Jul 6 03:05:09 server01 kernel: VE: 104: started >>Jul 6 03:05:23 server01 kernel: kernel_thread call inside VE >>Jul 6 03:05:23 server01 kernel: [<c0101569>] kernel_thread+0xc9/0xd0 >>Jul 6 03:05:23 server01 kernel: [<c01505ec>] __alloc_pages+0x2ac/0x370 >>Jul 6 03:05:23 server01 kernel: [<f8ea3080>] svc_create_thread+0x130/0x160 >>[sunrpc] >>Jul 6 03:05:23 server01 kernel: [<f8e89500>] lockd+0x0/0x360 [lockd] >>Jul 6 03:05:23 server01 kernel: [<f8e892dc>] lockd_up+0xfc/0x190 [lockd] >>Jul 6 03:05:23 server01 kernel: [<f8e89500>] lockd+0x0/0x360 [lockd] >>Jul 6 03:05:23 server01 kernel: [<f8f05ff3>] nfs_get_sb+0x513/0x7f0 [nfs] >>Jul 6 03:05:23 server01 kernel: [<f8f04c00>] nfs_compare_super+0x0/0x80 >>[nfs] >>Jul 6 03:05:23 server01 kernel: [<f8f04be0>] nfs_set_super+0x0/0x20 [nfs] >>Jul 6 03:05:23 server01 kernel: [<c0172b4c>] vfs_kern_mount+0x4c/0xa0 >>Jul 6 03:05:23 server01 kernel: [<c0172c12>] do_kern_mount+0x42/0x60 >>Jul 6 03:05:23 server01 kernel: [<c018aa8d>] do_mount+0x26d/0x7a0 >>Jul 6 03:05:23 server01 kernel: [<c013842a>] ub_slab_charge+0x7a/0x140 >>Jul 6 03:05:23 server01 kernel: [<c03fc6b6>] inet_csk_get_port+0x136/0x280 >>Jul 6 03:05:23 server01 kernel: [<c041ccd9>] inet_bind+0xd9/0x210 >>Jul 6 03:05:23 server01 kernel: [<c013c1ef>] pb_free+0x1f/0x30 >>Jul 6 03:05:23 server01 kernel: [<c01506dd>] __get_free_pages+0x2d/0x50 >>Jul 6 03:05:23 server01 kernel: [<c0189657>] copy_mount_options+0x47/0x130 >>Jul 6 03:05:23 server01 kernel: [<c018b058>] sys_mount+0x98/0xe0 >>Jul 6 03:05:23 server01 kernel: [<c0103083>] syscall_call+0x7/0xb >>Jul 6 03:05:23 server01 kernel: lockd_up: create thread failed, error=-1 >> >> > > > some other info: > server01:~# uname -a > Linux server01 2.6.18-028stab035.1-ovz #1 Wed Jun 13 21:25:54 CEST 2007 i686 > GNU/Linux > server01:~# cat /proc/version > Linux version 2.6.18-028stab035.1-ovz ([EMAIL PROTECTED]) (gcc version 4.1.2 > 20061115 (prerelease) (Debian 4.1.1-21)) #1 Wed Jun 13 21:25:54 CEST 2007 > > using debian etch with packages from systs.org - are the CentOS kernels more > stable? > > Thanks, > Stuart. > > _______________________________________________ > Users mailing list > [email protected] > https://openvz.org/mailman/listinfo/users > 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