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: [email protected]
>[mailto:[email protected]] On Behalf Of
>Rafael J. Wysocki
>Sent: Tuesday, November 27, 2007 7:37 AM
>To: Lukas Hejtmanek
>Cc: [email protected]; 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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