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: 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 >- >To unsubscribe from this list: send the line "unsubscribe >linux-kernel" in >the body of a message to [EMAIL PROTECTED] >More majordomo info at http://vger.kernel.org/majordomo-info.html >Please read the FAQ at http://www.tux.org/lkml/ > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/