Public bug reported:

Here are 3 identical BUG() reports in reverse chronological order.

I also have had a hang at some point. I didn't have any hangs on that
machine in 2 years. Not sure if it related to the install of Dapper (was
running Debian unstable before) or the upgrade of the BIOS.

Jul 17 08:58:22 dolcevita kernel: [17500393.072000] BUG: soft lockup detected 
on CPU#0!
Jul 17 08:58:22 dolcevita kernel: [17500393.072000]
Jul 17 08:58:22 dolcevita kernel: [17500393.072000] Pid: 10242, comm:           
     skype
Jul 17 08:58:22 dolcevita kernel: [17500393.072000] EIP: 
0060:[get_offset_pmtmr+17/1280] CPU: 0
Jul 17 08:58:23 dolcevita kernel: [17500393.072000] EIP is at 
get_offset_pmtmr+0x11/0x500
Jul 17 08:58:23 dolcevita kernel: [17500393.072000]  EFLAGS: 00000292    Not 
tainted  (2.6.15-26-386)
Jul 17 08:58:23 dolcevita kernel: [17500393.072000] EAX: 001b0c56 EBX: 098fade8 
ECX: 00000000 EDX: 00000808
Jul 17 08:58:23 dolcevita kernel: [17500393.072000] ESI: 001ad470 EDI: 098fade8 
EBP: e9ff5f98 DS: 007b ES: 007b
Jul 17 08:58:23 dolcevita kernel: [17500393.072000] CR0: 8005003b CR2: b50f8894 
CR3: 02dc2000 CR4: 00000690
Jul 17 08:58:23 dolcevita kernel: [17500393.072000]  [do_gettimeofday+26/208] 
do_gettimeofday+0x1a/0xd0
Jul 17 08:58:23 dolcevita kernel: [17500393.072000]  [getnstimeofday+16/48] 
getnstimeofday+0x10/0x30
Jul 17 08:58:23 dolcevita kernel: [17500393.072000]  [sys_clock_gettime+61/160] 
sys_clock_gettime+0x3d/0xa0
Jul 17 08:58:23 dolcevita kernel: [17500393.072000]  [sys_clock_gettime+40/160] 
sys_clock_gettime+0x28/0xa0
Jul 17 08:58:23 dolcevita kernel: [17500393.072000]  [sysenter_past_esp+84/121] 
sysenter_past_esp+0x54/0x79
Jul 17 08:58:23 dolcevita kernel: [17500416.284000] BUG: soft lockup detected 
on CPU#0!
Jul 17 08:58:23 dolcevita kernel: [17500416.284000]
Jul 17 08:58:23 dolcevita kernel: [17500416.284000] Pid: 10244, comm:           
     skype
Jul 17 08:58:23 dolcevita kernel: [17500416.284000] EIP: 
0060:[get_offset_pmtmr+23/1280] CPU: 0
Jul 17 08:58:23 dolcevita kernel: [17500416.284000] EIP is at 
get_offset_pmtmr+0x17/0x500
Jul 17 08:58:23 dolcevita kernel: [17500416.284000]  EFLAGS: 00000292    Not 
tainted  (2.6.15-26-386)
Jul 17 08:58:23 dolcevita kernel: [17500416.284000] EAX: 000ef2fe EBX: 000ef2fb 
ECX: 00000000 EDX: 00000808
Jul 17 08:58:23 dolcevita kernel: [17500416.284000] ESI: 000ebb15 EDI: 000ef2f8 
EBP: f085df98 DS: 007b ES: 007b
Jul 17 08:58:23 dolcevita kernel: [17500416.284000] CR0: 8005003b CR2: af4dc000 
CR3: 02dc2000 CR4: 00000690
Jul 17 08:58:23 dolcevita kernel: [17500416.284000]  [do_gettimeofday+26/208] 
do_gettimeofday+0x1a/0xd0
Jul 17 08:58:23 dolcevita kernel: [17500416.284000]  [getnstimeofday+16/48] 
getnstimeofday+0x10/0x30
Jul 17 08:58:23 dolcevita kernel: [17500416.284000]  [sys_clock_gettime+61/160] 
sys_clock_gettime+0x3d/0xa0
Jul 17 08:58:23 dolcevita kernel: [17500416.284000]  [sys_clock_gettime+40/160] 
sys_clock_gettime+0x28/0xa0
Jul 17 08:58:23 dolcevita kernel: [17500416.284000]  [sysenter_past_esp+84/121] 
sysenter_past_esp+0x54/0x79


Jul 17 00:40:08 dolcevita kernel: [17470247.308000] BUG: soft lockup detected 
on CPU#0!
Jul 17 00:40:08 dolcevita kernel: [17470247.308000]
Jul 17 00:40:08 dolcevita kernel: [17470247.308000] Pid: 30112, comm:           
     skype
Jul 17 00:40:08 dolcevita kernel: [17470247.308000] EIP: 
0060:[sysenter_past_esp+28/121] CPU: 0
Jul 17 00:40:08 dolcevita kernel: [17470247.308000] EIP is at 
sysenter_past_esp+0x1c/0x79
Jul 17 00:40:08 dolcevita kernel: [17470247.308000]  EFLAGS: 00000297    Not 
tainted  (2.6.15-26-386)
Jul 17 00:40:08 dolcevita kernel: [17470247.308000] EAX: 00000109 EBX: 00000000 
ECX: b4979398 EDX: 08e286ec
Jul 17 00:40:08 dolcevita kernel: [17470247.308000] ESI: 08e2871c EDI: 0027e1b5 
EBP: b49793f0 DS: 007b ES: 007b
Jul 17 00:40:08 dolcevita kernel: [17470247.308000] CR0: 8005003b CR2: b58f9894 
CR3: 02dc2000 CR4: 00000690
Jul 17 00:40:08 dolcevita kernel: [17470396.360000] BUG: soft lockup detected 
on CPU#0!
Jul 17 00:40:08 dolcevita kernel: [17470396.360000]
Jul 17 00:40:08 dolcevita kernel: [17470396.360000] Pid: 30114, comm:           
     skype
Jul 17 00:40:08 dolcevita kernel: [17470396.360000] EIP: 
0060:[get_offset_pmtmr+20/1280] CPU: 0
Jul 17 00:40:08 dolcevita kernel: [17470396.360000] EIP is at 
get_offset_pmtmr+0x14/0x500
Jul 17 00:40:08 dolcevita kernel: [17470396.360000]  EFLAGS: 00000292    Not 
tainted  (2.6.15-26-386)
Jul 17 00:40:08 dolcevita kernel: [17470396.360000] EAX: 00b724a3 EBX: 08aad294 
ECX: 00000000 EDX: 00000808
Jul 17 00:40:08 dolcevita kernel: [17470396.360000] ESI: 00b6ecbc EDI: 00b724a0 
EBP: c04b9f98 DS: 007b ES: 007b
Jul 17 00:40:08 dolcevita kernel: [17470396.360000] CR0: 8005003b CR2: b7fc1000 
CR3: 02dc2000 CR4: 00000690
Jul 17 00:40:08 dolcevita kernel: [17470396.360000]  [do_gettimeofday+26/208] 
do_gettimeofday+0x1a/0xd0
Jul 17 00:40:08 dolcevita kernel: [17470396.360000]  [getnstimeofday+16/48] 
getnstimeofday+0x10/0x30
Jul 17 00:40:08 dolcevita kernel: [17470396.360000]  [sys_clock_gettime+61/160] 
sys_clock_gettime+0x3d/0xa0
Jul 17 00:40:08 dolcevita kernel: [17470396.360000]  [sys_clock_gettime+40/160] 
sys_clock_gettime+0x28/0xa0


Jul 14 17:45:20 dolcevita kernel: [17272833.092000] BUG: soft lockup detected 
on CPU#0!
Jul 14 17:45:20 dolcevita kernel: [17272833.092000]
Jul 14 17:45:20 dolcevita kernel: [17272833.092000] Pid: 13402, comm:           
     skype
Jul 14 17:45:20 dolcevita kernel: [17272833.092000] EIP: 
0060:[get_offset_pmtmr+17/1280] CPU: 0
Jul 14 17:45:20 dolcevita kernel: [17272833.092000] EIP is at 
get_offset_pmtmr+0x11/0x500
Jul 14 17:45:20 dolcevita kernel: [17272833.092000]  EFLAGS: 00000292    Not 
tainted  (2.6.15-26-386)
Jul 14 17:45:20 dolcevita kernel: [17272833.092000] EAX: 00b1df92 EBX: 02c788d2 
ECX: 00000000 EDX: 00000808
Jul 14 17:45:20 dolcevita kernel: [17272833.092000] ESI: 00b1a7ac EDI: 02c788d2 
EBP: f1437f98 DS: 007b ES: 007b
Jul 14 17:45:20 dolcevita kernel: [17272833.092000] CR0: 8005003b CR2: b40c2894 
CR3: 02dc2000 CR4: 00000690
Jul 14 17:45:20 dolcevita kernel: [17272833.092000]  [do_gettimeofday+26/208] 
do_gettimeofday+0x1a/0xd0
Jul 14 17:45:20 dolcevita kernel: [17272833.092000]  [getnstimeofday+16/48] 
getnstimeofday+0x10/0x30
Jul 14 17:45:20 dolcevita kernel: [17272833.092000]  [sys_clock_gettime+61/160] 
sys_clock_gettime+0x3d/0xa0
Jul 14 17:45:20 dolcevita kernel: [17272833.092000]  [sys_clock_gettime+40/160] 
sys_clock_gettime+0x28/0xa0
Jul 14 17:45:20 dolcevita kernel: [17272833.092000]  [sysenter_past_esp+84/121] 
sysenter_past_esp+0x54/0x79
Jul 14 17:45:20 dolcevita kernel: [17272851.956000] BUG: soft lockup detected 
on CPU#0!
Jul 14 17:45:20 dolcevita kernel: [17272851.956000]
Jul 14 17:45:20 dolcevita kernel: [17272851.956000] Pid: 13404, comm:           
     skype
Jul 14 17:45:20 dolcevita kernel: [17272851.956000] EIP: 
0060:[get_offset_pmtmr+23/1280] CPU: 0
Jul 14 17:45:20 dolcevita kernel: [17272851.956000] EIP is at 
get_offset_pmtmr+0x17/0x500
Jul 14 17:45:20 dolcevita kernel: [17272851.956000]  EFLAGS: 00000292    Not 
tainted  (2.6.15-26-386)
Jul 14 17:45:20 dolcevita kernel: [17272851.956000] EAX: 00b84667 EBX: 00b84664 
ECX: 00000000 EDX: 00000808
Jul 14 17:45:20 dolcevita kernel: [17272851.956000] ESI: 00b80e7e EDI: 00b84661 
EBP: f1f23f98 DS: 007b ES: 007b
Jul 14 17:45:20 dolcevita kernel: [17272851.956000] CR0: 8005003b CR2: b7f91000 
CR3: 02dc2000 CR4: 00000690
Jul 14 17:45:20 dolcevita kernel: [17272851.956000]  [do_gettimeofday+26/208] 
do_gettimeofday+0x1a/0xd0
Jul 14 17:45:20 dolcevita kernel: [17272851.956000]  [getnstimeofday+16/48] 
getnstimeofday+0x10/0x30
Jul 14 17:45:20 dolcevita kernel: [17272851.956000]  [sys_clock_gettime+61/160] 
sys_clock_gettime+0x3d/0xa0
Jul 14 17:45:20 dolcevita kernel: [17272851.956000]  [sys_clock_gettime+40/160] 
sys_clock_gettime+0x28/0xa0
Jul 14 17:45:20 dolcevita kernel: [17272851.956000]  [sysenter_past_esp+84/121] 
sysenter_past_esp+0x54/0x79

** Affects: linux-source-2.6.15 (Ubuntu)
     Importance: Untriaged
         Status: Unconfirmed

-- 
BUG() report in getnstimeofday: soft lockup
https://launchpad.net/bugs/53216

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