Thanks. The bit of interest is here:

Jul 31 20:43:03 ubuntu-test-server kernel: [  260.437675] BUG: soft lockup - CPU#1 stuck for 11s! [kacpid:48]
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.437729] CPU 1:
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.437732] Modules linked in: iptable_filter ip_tables x_tables ipv6 lp loop af_packet evdev psmouse serio_raw parport_pc parport button intel_agp pcspkr iTCO_wdt iTCO_vendor_support snd_hda_intel shpchp pci_hotplug snd_pcm snd_timer snd_page_alloc snd_hwdep snd soundcore jfs sg sr_mod sd_mod cdrom pata_acpi ata_piix floppy ata_generic ehci_hcd libata scsi_mod e1000 r8169 uhci_hcd usbcore thermal processor fan fbcon tileblit font bitblit softcursor fuse
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.437792] Pid: 48, comm: kacpid Not tainted 2.6.24-19-server #1
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.437796] RIP: 0010:[acpi_ps_alloc_op+0x1/0x8c]  [acpi_ps_alloc_op+0x1/0x8c] acpi_ps_alloc_op+0x1/0x8c
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.437808] RSP: 0018:ffff81007cd6fd50  EFLAGS: 00000286
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.437812] RAX: ffffffff8049d7f0 RBX: ffff81007e42ec00 RCX: ffffc2000030adfb
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.437816] RDX: 0000000000000000 RSI: ffff81007ddd4be0 RDI: 000000000000002d
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.437820] RBP: ffff8100378d8028 R08: 0000000000000000 R09: ffff81007ddd4be0
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.437825] R10: ffff81007e42ec00 R11: 0000000000000000 R12: ffff81007e42ec00
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.437829] R13: ffffffff80388ec1 R14: ffff81007cd6fd80 R15: ffffffff803772ad
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.437834] FS:  0000000000000000(0000) GS:ffff81007f001700(0000) knlGS:0000000000000000
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.437839] CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.437842] CR2: 00000000004391d0 CR3: 0000000000201000 CR4: 00000000000006e0
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.437847] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.437851] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.437854] 
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.437855] Call Trace:
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.437870]  [acpi_ps_parse_loop+0x76f/0x79e] acpi_ps_parse_loop+0x76f/0x79e
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.437888]  [acpi_ps_parse_aml+0x80/0x254] acpi_ps_parse_aml+0x80/0x254
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.437902]  [acpi_ps_execute_method+0x12b/0x1d7] acpi_ps_execute_method+0x12b/0x1d7
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.437913]  [acpi_ns_evaluate+0xa4/0x100] acpi_ns_evaluate+0xa4/0x100
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.437924]  [acpi_ev_asynch_execute_gpe_method+0xc5/0x122] acpi_ev_asynch_execute_gpe_method+0xc5/0x122
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.437935]  [acpi_os_execute_deferred+0x0/0x31] acpi_os_execute_deferred+0x0/0x31
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.437942]  [acpi_os_execute_deferred+0x23/0x31] acpi_os_execute_deferred+0x23/0x31
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.437952]  [run_workqueue+0xcc/0x170] run_workqueue+0xcc/0x170
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.437957]  [worker_thread+0x0/0x110] worker_thread+0x0/0x110
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.437965]  [worker_thread+0x0/0x110] worker_thread+0x0/0x110
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.437972]  [worker_thread+0xa3/0x110] worker_thread+0xa3/0x110
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.437983]  [<ffffffff80254260>] autoremove_wake_function+0x0/0x30
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.437992]  [worker_thread+0x0/0x110] worker_thread+0x0/0x110
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.438000]  [worker_thread+0x0/0x110] worker_thread+0x0/0x110
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.438007]  [kthread+0x4b/0x80] kthread+0x4b/0x80
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.438017]  [child_rip+0xa/0x12] child_rip+0xa/0x12
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.438038]  [kthread+0x0/0x80] kthread+0x0/0x80
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.438044]  [child_rip+0x0/0x12] child_rip+0x0/0x12
Jul 31 20:43:03 ubuntu-test-server kernel: [  260.438052] 
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.236999] BUG: soft lockup - CPU#1 stuck for 11s! [kacpid:48]
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237054] CPU 1:
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237059] Modules linked in: iptable_filter ip_tables x_tables ipv6 lp loop af_packet evdev psmouse serio_raw parport_pc parport button intel_agp pcspkr iTCO_wdt iTCO_vendor_support snd_hda_intel shpchp pci_hotplug snd_pcm snd_timer snd_page_alloc snd_hwdep snd soundcore jfs sg sr_mod sd_mod cdrom pata_acpi ata_piix floppy ata_generic ehci_hcd libata scsi_mod e1000 r8169 uhci_hcd usbcore thermal processor fan fbcon tileblit font bitblit softcursor fuse
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237140] Pid: 48, comm: kacpid Not tainted 2.6.24-19-server #1
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237145] RIP: 0010:[ipv6:kmem_cache_alloc+0x6a/0xa0]  [ipv6:kmem_cache_alloc+0x6a/0xa0] kmem_cache_alloc+0x6a/0xa0
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237161] RSP: 0018:ffff81007cd6fc10  EFLAGS: 00000246
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237166] RAX: ffff81007e9fc040 RBX: 0000000000000282 RCX: 0000000000000000
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237172] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff81007e9fc080
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237178] RBP: ffffffff80385a15 R08: 0000000000000000 R09: ffff81007e9fc040
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237184] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000005
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237190] R13: ffffffff80704f40 R14: ffff81007cc88880 R15: ffffffff803858c8
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237197] FS:  0000000000000000(0000) GS:ffff81007f001700(0000) knlGS:0000000000000000
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237203] CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237208] CR2: 00000000004391d0 CR3: 0000000000201000 CR4: 00000000000006e0
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237214] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237220] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237226] 
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237227] Call Trace:
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237253]  [acpi_ut_allocate_object_desc_dbg+0x34/0x6e] acpi_ut_allocate_object_desc_dbg+0x34/0x6e
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237268]  [acpi_ut_create_internal_object_dbg+0x21/0x7d] acpi_ut_create_internal_object_dbg+0x21/0x7d
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237292]  [acpi_ds_create_operand+0x1a4/0x1ef] acpi_ds_create_operand+0x1a4/0x1ef
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237304]  [acpi_os_release_object+0x9/0x0d] acpi_os_release_object+0x9/0xd
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237315]  [ipv6:kmem_cache_alloc+0x67/0xa0] kmem_cache_alloc+0x67/0xa0
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237332]  [acpi_ds_create_operands+0x21/0x70] acpi_ds_create_operands+0x21/0x70
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237349]  [acpi_ds_exec_end_op+0x87/0x3c5] acpi_ds_exec_end_op+0x87/0x3c5
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237371]  [acpi_ps_parse_loop+0x5d6/0x79e] acpi_ps_parse_loop+0x5d6/0x79e
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237399]  [acpi_ps_parse_aml+0x80/0x254] acpi_ps_parse_aml+0x80/0x254
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237421]  [acpi_ps_execute_method+0x12b/0x1d7] acpi_ps_execute_method+0x12b/0x1d7
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237438]  [acpi_ns_evaluate+0xa4/0x100] acpi_ns_evaluate+0xa4/0x100
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237453]  [acpi_ev_asynch_execute_gpe_method+0xc5/0x122] acpi_ev_asynch_execute_gpe_method+0xc5/0x122
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237471]  [acpi_os_execute_deferred+0x0/0x31] acpi_os_execute_deferred+0x0/0x31
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237481]  [acpi_os_execute_deferred+0x23/0x31] acpi_os_execute_deferred+0x23/0x31
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237493]  [run_workqueue+0xcc/0x170] run_workqueue+0xcc/0x170
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237501]  [worker_thread+0x0/0x110] worker_thread+0x0/0x110
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237513]  [worker_thread+0x0/0x110] worker_thread+0x0/0x110
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237523]  [worker_thread+0xa3/0x110] worker_thread+0xa3/0x110
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237536]  [<ffffffff80254260>] autoremove_wake_function+0x0/0x30
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237551]  [worker_thread+0x0/0x110] worker_thread+0x0/0x110
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237563]  [worker_thread+0x0/0x110] worker_thread+0x0/0x110
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237572]  [kthread+0x4b/0x80] kthread+0x4b/0x80
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237586]  [child_rip+0xa/0x12] child_rip+0xa/0x12
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237622]  [kthread+0x0/0x80] kthread+0x0/0x80
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237631]  [child_rip+0x0/0x12] child_rip+0x0/0x12
Jul 31 20:43:15 ubuntu-test-server kernel: [  272.237643] 
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036323] BUG: soft lockup - CPU#1 stuck for 11s! [kacpid:48]
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036380] CPU 1:
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036384] Modules linked in: iptable_filter ip_tables x_tables ipv6 lp loop af_packet evdev psmouse serio_raw parport_pc parport button intel_agp pcspkr iTCO_wdt iTCO_vendor_support snd_hda_intel shpchp pci_hotplug snd_pcm snd_timer snd_page_alloc snd_hwdep snd soundcore jfs sg sr_mod sd_mod cdrom pata_acpi ata_piix floppy ata_generic ehci_hcd libata scsi_mod e1000 r8169 uhci_hcd usbcore thermal processor fan fbcon tileblit font bitblit softcursor fuse
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036463] Pid: 48, comm: kacpid Not tainted 2.6.24-19-server #1
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036469] RIP: 0010:[memset_c+0x20/0x30]  [memset_c+0x20/0x30] memset_c+0x20/0x30
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036483] RSP: 0018:ffff81007cd6fd08  EFLAGS: 00010246
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036488] RAX: 0000000000000000 RBX: 0000000000000282 RCX: 0000000000000004
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036494] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8100378d8148
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036500] RBP: ffff81007e42ec28 R08: 0000000000000000 R09: ffff8100378d8140
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036506] R10: ffff81007e42ec00 R11: 0000000000000000 R12: 535453487e42ec00
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036512] R13: ffff81007cc887a0 R14: 0000000100000000 R15: 01ff810000000003
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036519] FS:  0000000000000000(0000) GS:ffff81007f001700(0000) knlGS:0000000000000000
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036525] CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036531] CR2: 00000000004391d0 CR3: 0000000000201000 CR4: 00000000000006e0
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036537] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036543] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036547] 
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036549] Call Trace:
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036570]  [ipv6:kmem_cache_alloc+0x67/0xa0] kmem_cache_alloc+0x67/0xa0
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036589]  [acpi_ps_alloc_op+0x4f/0x8c] acpi_ps_alloc_op+0x4f/0x8c
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036603]  [acpi_ps_parse_loop+0x76f/0x79e] acpi_ps_parse_loop+0x76f/0x79e
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036633]  [acpi_ps_parse_aml+0x80/0x254] acpi_ps_parse_aml+0x80/0x254
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036655]  [acpi_ps_execute_method+0x12b/0x1d7] acpi_ps_execute_method+0x12b/0x1d7
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036673]  [acpi_ns_evaluate+0xa4/0x100] acpi_ns_evaluate+0xa4/0x100
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036689]  [acpi_ev_asynch_execute_gpe_method+0xc5/0x122] acpi_ev_asynch_execute_gpe_method+0xc5/0x122
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036707]  [acpi_os_execute_deferred+0x0/0x31] acpi_os_execute_deferred+0x0/0x31
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036717]  [acpi_os_execute_deferred+0x23/0x31] acpi_os_execute_deferred+0x23/0x31
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036730]  [run_workqueue+0xcc/0x170] run_workqueue+0xcc/0x170
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036738]  [worker_thread+0x0/0x110] worker_thread+0x0/0x110
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036750]  [worker_thread+0x0/0x110] worker_thread+0x0/0x110
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036760]  [worker_thread+0xa3/0x110] worker_thread+0xa3/0x110
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036773]  [<ffffffff80254260>] autoremove_wake_function+0x0/0x30
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036788]  [worker_thread+0x0/0x110] worker_thread+0x0/0x110
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036800]  [worker_thread+0x0/0x110] worker_thread+0x0/0x110
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036809]  [kthread+0x4b/0x80] kthread+0x4b/0x80
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036824]  [child_rip+0xa/0x12] child_rip+0xa/0x12
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036859]  [kthread+0x0/0x80] kthread+0x0/0x80
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036868]  [child_rip+0x0/0x12] child_rip+0x0/0x12
Jul 31 20:43:26 ubuntu-test-server kernel: [  284.036880] 
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.835646] BUG: soft lockup - CPU#1 stuck for 11s! [kacpid:48]
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.835703] CPU 1:
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.835708] Modules linked in: iptable_filter ip_tables x_tables ipv6 lp loop af_packet evdev psmouse serio_raw parport_pc parport button intel_agp pcspkr iTCO_wdt iTCO_vendor_support snd_hda_intel shpchp pci_hotplug snd_pcm snd_timer snd_page_alloc snd_hwdep snd soundcore jfs sg sr_mod sd_mod cdrom pata_acpi ata_piix floppy ata_generic ehci_hcd libata scsi_mod e1000 r8169 uhci_hcd usbcore thermal processor fan fbcon tileblit font bitblit softcursor fuse
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.835788] Pid: 48, comm: kacpid Not tainted 2.6.24-19-server #1
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.835794] RIP: 0010:[memset_c+0x28/0x30]  [memset_c+0x28/0x30] memset_c+0x28/0x30
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.835807] RSP: 0018:ffff81007cd6fce8  EFLAGS: 00000246
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.835813] RAX: 0000000000000000 RBX: 0000000000000286 RCX: 0000000000000000
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.835819] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff81007ddd4c30
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.835825] RBP: ffff81007e42ec00 R08: 0000000000000000 R09: ffff81007ddd4be0
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.835831] R10: ffff81007e42ec00 R11: 0000000000000000 R12: 0000000000000000
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.835837] R13: ffff81007e42ec00 R14: 000000037cd6fcb8 R15: ffff81007e9fc040
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.835844] FS:  0000000000000000(0000) GS:ffff81007f001700(0000) knlGS:0000000000000000
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.835850] CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.835855] CR2: 00000000004391d0 CR3: 0000000000201000 CR4: 00000000000006e0
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.835861] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.835867] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.835872] 
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.835874] Call Trace:
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.835892]  [ipv6:kmem_cache_alloc+0x67/0xa0] kmem_cache_alloc+0x67/0xa0
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.835912]  [acpi_ut_create_generic_state+0x2a/0x4a] acpi_ut_create_generic_state+0x2a/0x4a
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.835923]  [acpi_ps_push_scope+0x19/0x6c] acpi_ps_push_scope+0x19/0x6c
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.835941]  [acpi_ps_parse_loop+0x53c/0x79e] acpi_ps_parse_loop+0x53c/0x79e
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.835970]  [acpi_ps_parse_aml+0x80/0x254] acpi_ps_parse_aml+0x80/0x254
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.835991]  [acpi_ps_execute_method+0x12b/0x1d7] acpi_ps_execute_method+0x12b/0x1d7
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.836009]  [acpi_ns_evaluate+0xa4/0x100] acpi_ns_evaluate+0xa4/0x100
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.836024]  [acpi_ev_asynch_execute_gpe_method+0xc5/0x122] acpi_ev_asynch_execute_gpe_method+0xc5/0x122
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.836042]  [acpi_os_execute_deferred+0x0/0x31] acpi_os_execute_deferred+0x0/0x31
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.836052]  [acpi_os_execute_deferred+0x23/0x31] acpi_os_execute_deferred+0x23/0x31
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.836064]  [run_workqueue+0xcc/0x170] run_workqueue+0xcc/0x170
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.836072]  [worker_thread+0x0/0x110] worker_thread+0x0/0x110
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.836084]  [worker_thread+0x0/0x110] worker_thread+0x0/0x110
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.836094]  [worker_thread+0xa3/0x110] worker_thread+0xa3/0x110
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.836107]  [<ffffffff80254260>] autoremove_wake_function+0x0/0x30
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.836121]  [worker_thread+0x0/0x110] worker_thread+0x0/0x110
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.836133]  [worker_thread+0x0/0x110] worker_thread+0x0/0x110
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.836142]  [kthread+0x4b/0x80] kthread+0x4b/0x80
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.836156]  [child_rip+0xa/0x12] child_rip+0xa/0x12
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.836191]  [kthread+0x0/0x80] kthread+0x0/0x80
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.836201]  [child_rip+0x0/0x12] child_rip+0x0/0x12
Jul 31 20:43:38 ubuntu-test-server kernel: [  295.836213] 
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.634970] BUG: soft lockup - CPU#1 stuck for 11s! [kacpid:48]
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635027] CPU 1:
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635031] Modules linked in: iptable_filter ip_tables x_tables ipv6 lp loop af_packet evdev psmouse serio_raw parport_pc parport button intel_agp pcspkr iTCO_wdt iTCO_vendor_support snd_hda_intel shpchp pci_hotplug snd_pcm snd_timer snd_page_alloc snd_hwdep snd soundcore jfs sg sr_mod sd_mod cdrom pata_acpi ata_piix floppy ata_generic ehci_hcd libata scsi_mod e1000 r8169 uhci_hcd usbcore thermal processor fan fbcon tileblit font bitblit softcursor fuse
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635109] Pid: 48, comm: kacpid Not tainted 2.6.24-19-server #1
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635115] RIP: 0010:[snd:strcat+0x14/0x70]  [snd:strcat+0x14/0x70] strcat+0x14/0x30
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635131] RSP: 0018:ffff81007cd6fbe8  EFLAGS: 00000246
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635137] RAX: 0000000000000048 RBX: 0000000000000004 RCX: ffff81007b4d24c0
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635143] RDX: ffff81007b4d24c0 RSI: ffff81007cd6fc00 RDI: ffff81007b4d24c0
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635149] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635155] R10: ffff81007e42ec00 R11: 0000000000000000 R12: ffff81007f005400
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635161] R13: 00000000000000ee R14: ffff81007cd6fc60 R15: ffffffff803809e3
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635168] FS:  0000000000000000(0000) GS:ffff81007f001700(0000) knlGS:0000000000000000
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635174] CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635179] CR2: 00000000004391d0 CR3: 0000000000201000 CR4: 00000000000006e0
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635185] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635191] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635196] 
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635198] Call Trace:
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635219]  [acpi_ex_name_segment+0xa0/0xe9] acpi_ex_name_segment+0xa0/0xe9
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635249]  [acpi_ex_get_name_string+0x17f/0x1f4] acpi_ex_get_name_string+0x17f/0x1f4
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635274]  [acpi_ds_create_operand+0x41/0x1ef] acpi_ds_create_operand+0x41/0x1ef
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635285]  [acpi_ps_get_next_namepath+0x88/0x1ab] acpi_ps_get_next_namepath+0x88/0x1ab
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635296]  [acpi_ps_delete_parse_tree+0x3d/0x5c] acpi_ps_delete_parse_tree+0x3d/0x5c
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635314]  [acpi_ds_create_operands+0x21/0x70] acpi_ds_create_operands+0x21/0x70
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635331]  [acpi_ds_exec_end_op+0x87/0x3c5] acpi_ds_exec_end_op+0x87/0x3c5
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635352]  [acpi_ps_parse_loop+0x5d6/0x79e] acpi_ps_parse_loop+0x5d6/0x79e
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635380]  [acpi_ps_parse_aml+0x80/0x254] acpi_ps_parse_aml+0x80/0x254
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635402]  [acpi_ps_execute_method+0x12b/0x1d7] acpi_ps_execute_method+0x12b/0x1d7
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635419]  [acpi_ns_evaluate+0xa4/0x100] acpi_ns_evaluate+0xa4/0x100
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635434]  [acpi_ev_asynch_execute_gpe_method+0xc5/0x122] acpi_ev_asynch_execute_gpe_method+0xc5/0x122
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635452]  [acpi_os_execute_deferred+0x0/0x31] acpi_os_execute_deferred+0x0/0x31
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635462]  [acpi_os_execute_deferred+0x23/0x31] acpi_os_execute_deferred+0x23/0x31
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635475]  [run_workqueue+0xcc/0x170] run_workqueue+0xcc/0x170
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635483]  [worker_thread+0x0/0x110] worker_thread+0x0/0x110
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635495]  [worker_thread+0x0/0x110] worker_thread+0x0/0x110
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635506]  [worker_thread+0xa3/0x110] worker_thread+0xa3/0x110
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635518]  [<ffffffff80254260>] autoremove_wake_function+0x0/0x30
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635533]  [worker_thread+0x0/0x110] worker_thread+0x0/0x110
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635545]  [worker_thread+0x0/0x110] worker_thread+0x0/0x110
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635554]  [kthread+0x4b/0x80] kthread+0x4b/0x80
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635570]  [child_rip+0xa/0x12] child_rip+0xa/0x12
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635605]  [kthread+0x0/0x80] kthread+0x0/0x80
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635614]  [child_rip+0x0/0x12] child_rip+0x0/0x12
Jul 31 20:43:50 ubuntu-test-server kernel: [  307.635626] 
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434294] BUG: soft lockup - CPU#1 stuck for 11s! [kacpid:48]
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434350] CPU 1:
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434355] Modules linked in: iptable_filter ip_tables x_tables ipv6 lp loop af_packet evdev psmouse serio_raw parport_pc parport button intel_agp pcspkr iTCO_wdt iTCO_vendor_support snd_hda_intel shpchp pci_hotplug snd_pcm snd_timer snd_page_alloc snd_hwdep snd soundcore jfs sg sr_mod sd_mod cdrom pata_acpi ata_piix floppy ata_generic ehci_hcd libata scsi_mod e1000 r8169 uhci_hcd usbcore thermal processor fan fbcon tileblit font bitblit softcursor fuse
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434436] Pid: 48, comm: kacpid Not tainted 2.6.24-19-server #1
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434442] RIP: 0010:[acpi_ex_resolve_operands+0xa5/0x59f]  [acpi_ex_resolve_operands+0xa5/0x59f] acpi_ex_resolve_operands+0xa5/0x59f
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434459] RSP: 0018:ffff81007cd6fcd0  EFLAGS: 00000286
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434464] RAX: 000000000000000e RBX: ffff81007e9fc000 RCX: ffffffff803772ad
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434470] RDX: 0000000000000000 RSI: ffff81007e42ee60 RDI: 0000000000000092
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434476] RBP: ffff81007e42ec00 R08: 0000000000000000 R09: 0000000000000002
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434482] R10: ffff81007e42ec00 R11: 0000000000000000 R12: 0000000000000000
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434488] R13: ffffffff8038d4ae R14: ffff81007e9fc040 R15: ffffffff803772ad
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434496] FS:  0000000000000000(0000) GS:ffff81007f001700(0000) knlGS:0000000000000000
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434503] CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434508] CR2: 00000000004391d0 CR3: 0000000000201000 CR4: 00000000000006e0
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434514] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434520] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434526] 
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434528] Call Trace:
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434561]  [acpi_ds_exec_end_op+0xc8/0x3c5] acpi_ds_exec_end_op+0xc8/0x3c5
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434583]  [acpi_ps_parse_loop+0x5d6/0x79e] acpi_ps_parse_loop+0x5d6/0x79e
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434611]  [acpi_ps_parse_aml+0x80/0x254] acpi_ps_parse_aml+0x80/0x254
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434633]  [acpi_ps_execute_method+0x12b/0x1d7] acpi_ps_execute_method+0x12b/0x1d7
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434650]  [acpi_ns_evaluate+0xa4/0x100] acpi_ns_evaluate+0xa4/0x100
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434665]  [acpi_ev_asynch_execute_gpe_method+0xc5/0x122] acpi_ev_asynch_execute_gpe_method+0xc5/0x122
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434683]  [acpi_os_execute_deferred+0x0/0x31] acpi_os_execute_deferred+0x0/0x31
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434693]  [acpi_os_execute_deferred+0x23/0x31] acpi_os_execute_deferred+0x23/0x31
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434705]  [run_workqueue+0xcc/0x170] run_workqueue+0xcc/0x170
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434713]  [worker_thread+0x0/0x110] worker_thread+0x0/0x110
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434725]  [worker_thread+0x0/0x110] worker_thread+0x0/0x110
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434735]  [worker_thread+0xa3/0x110] worker_thread+0xa3/0x110
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434748]  [<ffffffff80254260>] autoremove_wake_function+0x0/0x30
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434762]  [worker_thread+0x0/0x110] worker_thread+0x0/0x110
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434775]  [worker_thread+0x0/0x110] worker_thread+0x0/0x110
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434784]  [kthread+0x4b/0x80] kthread+0x4b/0x80
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434798]  [child_rip+0xa/0x12] child_rip+0xa/0x12
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434832]  [kthread+0x0/0x80] kthread+0x0/0x80
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434842]  [child_rip+0x0/0x12] child_rip+0x0/0x12
Jul 31 20:44:02 ubuntu-test-server kernel: [  319.434853] 
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.243608] BUG: soft lockup - CPU#1 stuck for 11s! [kacpid:48]
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.243666] CPU 1:
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.243671] Modules linked in: iptable_filter ip_tables x_tables ipv6 lp loop af_packet evdev psmouse serio_raw parport_pc parport button intel_agp pcspkr iTCO_wdt iTCO_vendor_support snd_hda_intel shpchp pci_hotplug snd_pcm snd_timer snd_page_alloc snd_hwdep snd soundcore jfs sg sr_mod sd_mod cdrom pata_acpi ata_piix floppy ata_generic ehci_hcd libata scsi_mod e1000 r8169 uhci_hcd usbcore thermal processor fan fbcon tileblit font bitblit softcursor fuse
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.243751] Pid: 48, comm: kacpid Not tainted 2.6.24-19-server #1
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.243757] RIP: 0010:[acpi_ds_create_operands+0x6f/0x70]  [acpi_ds_create_operands+0x6f/0x70] acpi_ds_create_operands+0x6f/0x70
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.243773] RSP: 0018:ffff81007cd6fd18  EFLAGS: 00000246
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.243779] RAX: 0000000000000000 RBX: ffff81007e42ec00 RCX: 0000000000000000
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.243786] RDX: ffff81007f006780 RSI: ffff81007e42ec00 RDI: ffff81007f006780
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.243791] RBP: 0000000000000000 R08: 0000000000000000 R09: ffff81000221adf0
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.243798] R10: 0000000000000000 R11: 0000000000000000 R12: ffff81007e42ec00
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.243804] R13: 0000000000000286 R14: 0000000000000000 R15: ffff8100378d80c8
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.243810] FS:  0000000000000000(0000) GS:ffff81007f001700(0000) knlGS:0000000000000000
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.243817] CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.243823] CR2: 00000000004391d0 CR3: 0000000000201000 CR4: 00000000000006e0
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.243829] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.243835] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.243840] 
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.243842] Call Trace:
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.243860]  [acpi_ds_exec_end_op+0x87/0x3c5] acpi_ds_exec_end_op+0x87/0x3c5
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.243884]  [acpi_ps_parse_loop+0x5d6/0x79e] acpi_ps_parse_loop+0x5d6/0x79e
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.243915]  [acpi_ps_parse_aml+0x80/0x254] acpi_ps_parse_aml+0x80/0x254
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.243938]  [acpi_ps_execute_method+0x12b/0x1d7] acpi_ps_execute_method+0x12b/0x1d7
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.243958]  [acpi_ns_evaluate+0xa4/0x100] acpi_ns_evaluate+0xa4/0x100
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.243975]  [acpi_ev_asynch_execute_gpe_method+0xc5/0x122] acpi_ev_asynch_execute_gpe_method+0xc5/0x122
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.243994]  [acpi_os_execute_deferred+0x0/0x31] acpi_os_execute_deferred+0x0/0x31
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.244005]  [acpi_os_execute_deferred+0x23/0x31] acpi_os_execute_deferred+0x23/0x31
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.244019]  [run_workqueue+0xcc/0x170] run_workqueue+0xcc/0x170
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.244028]  [worker_thread+0x0/0x110] worker_thread+0x0/0x110
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.244041]  [worker_thread+0x0/0x110] worker_thread+0x0/0x110
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.244053]  [worker_thread+0xa3/0x110] worker_thread+0xa3/0x110
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.244067]  [<ffffffff80254260>] autoremove_wake_function+0x0/0x30
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.244083]  [worker_thread+0x0/0x110] worker_thread+0x0/0x110
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.244097]  [worker_thread+0x0/0x110] worker_thread+0x0/0x110
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.244108]  [kthread+0x4b/0x80] kthread+0x4b/0x80
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.244123]  [child_rip+0xa/0x12] child_rip+0xa/0x12
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.244160]  [kthread+0x0/0x80] kthread+0x0/0x80
Jul 31 20:44:14 ubuntu-test-server kernel: [  331.244171]  [child_rip+0x0/0x12] child_rip+0x0/0x12