RE: ACPI related Warning in 2.6.24-rc3-git2

["Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com>]

Yakui,

Can you look at this. Seems to be coming from commit f79f06ab9f86
FixedHW support tries to read MSR with interrupts disabled.

Thanks,
Venki 

>-----Original Message-----
>From: linux-kernel-owner@vger.kernel.org 
>[mailto:linux-kernel-owner@vger.kernel.org] On Behalf Of 
>Rafael J. Wysocki
>Sent: Tuesday, November 27, 2007 7:37 AM
>To: Lukas Hejtmanek
>Cc: linux-kernel@vger.kernel.org; ACPI Devel Maling List; Len 
>Brown; Alexey Starikovskiy
>Subject: Re: ACPI related Warning in 2.6.24-rc3-git2
>
>On Tuesday, 27 of November 2007, Lukas Hejtmanek wrote:
>> Hello,
>> 
>> in recent kernel, I got the following warnings while 
>booting. It's ACPI
>> related. Does anybode care? Lenovo ThinkPad T61 (6465CTO).
>
>Appropriate Ccs added.
>
>Did it happen before?
>
>> [   13.114814] Pid: 1, comm: swapper Not tainted 2.6.24-rc3-git2 #3
>> [   13.114885] 
>> [   13.114885] Call Trace:
>> [   13.115020]  [<ffffffff80357ab6>] 
>acpi_ut_update_ref_count+0x50/0x9d
>> [   13.115095]  [<ffffffff8021e7ad>] 
>smp_call_function_single+0xbd/0xd0
>> [   13.115169]  [<ffffffff80331dbc>] _rdmsr_on_cpu+0x5c/0x60
>> [   13.115241]  [<ffffffff803631c7>]
>> acpi_processor_get_throttling_ptc+0xf3/0x158
>> [   13.115323]  [<ffffffff80362f04>]
>> acpi_processor_get_throttling_info+0x460/0x4af
>> [   13.115406]  [<ffffffff80362264>] acpi_processor_start+0x54a/0x606
>> [   13.115478]  [<ffffffff802abc38>] ifind+0x48/0xd0
>> [   13.115550]  [<ffffffff8035a31e>] 
>acpi_start_single_object+0x24/0x46
>> [   13.115622]  [<ffffffff8035b716>] acpi_device_probe+0x7d/0x91
>> [   13.115694]  [<ffffffff8038effc>] driver_probe_device+0x9c/0x1b0
>> [   13.115766]  [<ffffffff8038f2c9>] __driver_attach+0xc9/0xd0
>> [   13.115840]  [<ffffffff8038f200>] __driver_attach+0x0/0xd0
>> [   13.115924]  [<ffffffff8038e1dd>] bus_for_each_dev+0x4d/0x80
>> [   13.115994]  [<ffffffff8038e64c>] bus_add_driver+0xac/0x220
>> [   13.116080]  [<ffffffff8064dd7c>] acpi_processor_init+0x8f/0xfc
>> [   13.116153]  [<ffffffff806386f4>] kernel_init+0x154/0x330
>> [   13.116225]  [<ffffffff8020d178>] child_rip+0xa/0x12
>> [   13.116295]  [<ffffffff806385a0>] kernel_init+0x0/0x330
>> [   13.116365]  [<ffffffff8020d16e>] child_rip+0x0/0x12
>> [   13.116435] 
>> [   13.116504] WARNING: at arch/x86/kernel/smp_64.c:397
>> smp_call_function_mask()
>> [   13.116577] Pid: 1, comm: swapper Not tainted 2.6.24-rc3-git2 #3
>> [   13.116648] 
>> [   13.116648] Call Trace:
>> [   13.116779]  [<ffffffff80357ab6>] 
>acpi_ut_update_ref_count+0x50/0x9d
>> [   13.116851]  [<ffffffff8021e4af>] smp_call_function_mask+0x8f/0xa0
>> [   13.116923]  [<ffffffff80331dbc>] _rdmsr_on_cpu+0x5c/0x60
>> [   13.116994]  [<ffffffff803631c7>]
>> acpi_processor_get_throttling_ptc+0xf3/0x158
>> [   13.117077]  [<ffffffff80362f04>]
>> acpi_processor_get_throttling_info+0x460/0x4af
>> [   13.117169]  [<ffffffff80362264>] acpi_processor_start+0x54a/0x606
>> [   13.117248]  [<ffffffff802abc38>] ifind+0x48/0xd0
>> [   13.117330]  [<ffffffff8035a31e>] 
>acpi_start_single_object+0x24/0x46
>> [   13.117402]  [<ffffffff8035b716>] acpi_device_probe+0x7d/0x91
>> [   13.117488]  [<ffffffff8038effc>] driver_probe_device+0x9c/0x1b0
>> [   13.117559]  [<ffffffff8038f2c9>] __driver_attach+0xc9/0xd0
>> [   13.117631]  [<ffffffff8038f200>] __driver_attach+0x0/0xd0
>> [   13.117715]  [<ffffffff8038e1dd>] bus_for_each_dev+0x4d/0x80
>> [   13.117786]  [<ffffffff8038e64c>] bus_add_driver+0xac/0x220
>> [   13.117856]  [<ffffffff8064dd7c>] acpi_processor_init+0x8f/0xfc
>> [   13.117941]  [<ffffffff806386f4>] kernel_init+0x154/0x330
>> [   13.118018]  [<ffffffff8020d178>] child_rip+0xa/0x12
>> [   13.118088]  [<ffffffff806385a0>] kernel_init+0x0/0x330
>> [   13.118158]  [<ffffffff8020d16e>] child_rip+0x0/0x12
>> [   13.118227] 
>> [...]
>> [   13.124714] WARNING: at arch/x86/kernel/smp_64.c:427
>> smp_call_function_single()
>> [   13.124798] Pid: 1, comm: swapper Not tainted 2.6.24-rc3-git2 #3
>> [   13.125460] 
>> [   13.125461] Call Trace:
>> [   13.125592]  [<ffffffff80357ab6>] 
>acpi_ut_update_ref_count+0x50/0x9d
>> [   13.125665]  [<ffffffff8021e7ad>] 
>smp_call_function_single+0xbd/0xd0
>> [   13.125737]  [<ffffffff80331dbc>] _rdmsr_on_cpu+0x5c/0x60
>> [   13.125807]  [<ffffffff803631c7>]
>> acpi_processor_get_throttling_ptc+0xf3/0x158
>> [   13.125903]  [<ffffffff80362f04>]
>> acpi_processor_get_throttling_info+0x460/0x4af
>> [   13.125999]  [<ffffffff80362264>] acpi_processor_start+0x54a/0x606
>> [   13.126071]  [<ffffffff803625ed>] acpi_processor_add+0x24/0x6b
>> [   13.126142]  [<ffffffff8035a31e>] 
>acpi_start_single_object+0x24/0x46
>> [   13.126214]  [<ffffffff8035b716>] acpi_device_probe+0x7d/0x91
>> [   13.126285]  [<ffffffff8038effc>] driver_probe_device+0x9c/0x1b0
>> [   13.126357]  [<ffffffff8038f2c9>] __driver_attach+0xc9/0xd0
>> [   13.126441]  [<ffffffff8038f200>] __driver_attach+0x0/0xd0
>> [   13.126518]  [<ffffffff8038e1dd>] bus_for_each_dev+0x4d/0x80
>> [   13.126600]  [<ffffffff8038e64c>] bus_add_driver+0xac/0x220
>> [   13.126670]  [<ffffffff8064dd7c>] acpi_processor_init+0x8f/0xfc
>> [   13.126755]  [<ffffffff806386f4>] kernel_init+0x154/0x330
>> [   13.126832]  [<ffffffff8020d178>] child_rip+0xa/0x12
>> [   13.126916]  [<ffffffff806385a0>] kernel_init+0x0/0x330
>> [   13.126986]  [<ffffffff8020d16e>] child_rip+0x0/0x12
>> [   13.127059] 
>> [   13.127124] WARNING: at arch/x86/kernel/smp_64.c:397
>> smp_call_function_mask()
>> [   13.127197] Pid: 1, comm: swapper Not tainted 2.6.24-rc3-git2 #3
>> [   13.127267] 
>> [   13.127268] Call Trace:
>> [   13.127398]  [<ffffffff80357ab6>] 
>acpi_ut_update_ref_count+0x50/0x9d
>> [   13.127473]  [<ffffffff8021e4af>] smp_call_function_mask+0x8f/0xa0
>> [   13.127545]  [<ffffffff80331dbc>] _rdmsr_on_cpu+0x5c/0x60
>> [   13.127616]  [<ffffffff803631c7>]
>> acpi_processor_get_throttling_ptc+0xf3/0x158
>> [   13.127699]  [<ffffffff80362f04>]
>> acpi_processor_get_throttling_info+0x460/0x4af
>> [   13.127782]  [<ffffffff80362264>] acpi_processor_start+0x54a/0x606
>> [   13.127861]  [<ffffffff803625ed>] acpi_processor_add+0x24/0x6b
>> [   13.127933]  [<ffffffff8035a31e>] 
>acpi_start_single_object+0x24/0x46
>> [   13.128005]  [<ffffffff8035b716>] acpi_device_probe+0x7d/0x91
>> [   13.128076]  [<ffffffff8038effc>] driver_probe_device+0x9c/0x1b0
>> [   13.128147]  [<ffffffff8038f2c9>] __driver_attach+0xc9/0xd0
>> [   13.128226]  [<ffffffff8038f200>] __driver_attach+0x0/0xd0
>> [   13.128310]  [<ffffffff8038e1dd>] bus_for_each_dev+0x4d/0x80
>> [   13.128381]  [<ffffffff8038e64c>] bus_add_driver+0xac/0x220
>> [   13.128452]  [<ffffffff8064dd7c>] acpi_processor_init+0x8f/0xfc
>> [   13.128523]  [<ffffffff806386f4>] kernel_init+0x154/0x330
>> [   13.128594]  [<ffffffff8020d178>] child_rip+0xa/0x12
>> [   13.128664]  [<ffffffff806385a0>] kernel_init+0x0/0x330
>> [   13.128734]  [<ffffffff8020d16e>] child_rip+0x0/0x12
>> 
>> 
>
>
>
>-- 
>"Premature optimization is the root of all evil." - Donald Knuth
>-
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