Gabriel C wrote:
> Andrew Morton wrote:
>> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.24-rc2/2.6.24-rc2-mm1/
>
> I got it to boot but ..
>
> ...
> [ 45.030261] input: Power Button (CM) as /devices/virtual/input/input4
> [ 45.031331] BUG: sleeping function called from invalid context at kernel/rwsem.c:47
> [ 45.031560] in_atomic():0, irqs_disabled():1
> [ 45.031569] 1 lock held by modprobe/2105:
> [ 45.031574] #0: (pm_qos_lock){....}, at: [<c0139b1c>] pm_qos_add_notifier+0x14/0x3c
> [ 45.031606] irq event stamp: 4036
> [ 45.031612] hardirqs last enabled at (4035): [<c0140cc3>] debug_check_no_locks_freed+0xf9/0x105
> [ 45.031632] hardirqs last disabled at (4036): [<c0333bf5>] _spin_lock_irqsave+0x10/0x55
> [ 45.031653] softirqs last enabled at (3710): [<c0128e96>] __do_softirq+0xe9/0xf1
> [ 45.031670] softirqs last disabled at (3703): [<c0128ed8>] do_softirq+0x3a/0x52
> [ 45.031685] [<c0104e01>] show_trace_log_lvl+0x12/0x25
> [ 45.031702] [<c010562d>] show_trace+0xd/0x10
> [ 45.031717] [<c0105704>] dump_stack+0x16/0x18
> [ 45.031728] [<c011db69>] __might_sleep+0xc2/0xc9
> [ 45.031740] [<c0139093>] down_write+0x17/0x6f
> [ 45.031754] [<c013991e>] blocking_notifier_chain_register+0x26/0x3f
> [ 45.031766] [<c0139b2f>] pm_qos_add_notifier+0x27/0x3c
> [ 45.031778] [<e885bc77>] acpi_processor_power_init+0x4d/0x164 [processor]
> [ 45.031802] [<e885a5b3>] acpi_processor_start+0x503/0x556 [processor]
> [ 45.031820] [<c022125c>] acpi_start_single_object+0x20/0x3d
> [ 45.031837] [<c0222392>] acpi_device_probe+0x78/0x88
> [ 45.031850] [<c0244700>] driver_probe_device+0xb2/0x12d
> [ 45.031866] [<c02448a2>] __driver_attach+0x76/0xaf
> [ 45.031878] [<c0243cb0>] bus_for_each_dev+0x3e/0x60
> [ 45.031889] [<c0244588>] driver_attach+0x14/0x16
> [ 45.031899] [<c0243f9a>] bus_add_driver+0x7a/0x180
> [ 45.031909] [<c0244a9d>] driver_register+0x57/0x5c
> [ 45.031918] [<c022267e>] acpi_bus_register_driver+0x3a/0x3c
> [ 45.031929] [<e882f073>] acpi_processor_init+0x73/0xc5 [processor]
> [ 45.031943] [<c0148ec5>] sys_init_module+0x14e3/0x15ae
> [ 45.031958] [<c0103d86>] sysenter_past_esp+0x5f/0xa5
> [ 45.031969] =======================
> [ 45.032213] ACPI: Invalid PBLK length [0]
> [ 45.032465] ACPI: Invalid PBLK length [0]
> [ 45.032656] ACPI: Invalid PBLK length [0]
>
> ...
>
> ...
> [ 102.331554] BUG: sleeping function called from invalid context at kernel/rwsem.c:20
> [ 102.331575] in_atomic():0, irqs_disabled():1
> [ 102.331583] 1 lock held by artsd/4385:
> [ 102.331589] #0: (pm_qos_lock){....}, at: [<c0139d4a>] pm_qos_add_requirement+0x5a/0x98
> [ 102.331619] irq event stamp: 19022
> [ 102.331624] hardirqs last enabled at (19021): [<c0333d1a>] _spin_unlock_irqrestore+0x36/0x3c
> [ 102.331641] hardirqs last disabled at (19022): [<c0333bf5>] _spin_lock_irqsave+0x10/0x55
> [ 102.331655] softirqs last enabled at (18846): [<c0128e96>] __do_softirq+0xe9/0xf1
> [ 102.331672] softirqs last disabled at (18839): [<c0128ed8>] do_softirq+0x3a/0x52
> [ 102.331688] [<c0104e01>] show_trace_log_lvl+0x12/0x25
> [ 102.331704] [<c010562d>] show_trace+0xd/0x10
> [ 102.331715] [<c0105704>] dump_stack+0x16/0x18
> [ 102.331727] [<c011db69>] __might_sleep+0xc2/0xc9
> [ 102.331739] [<c0138fe7>] down_read+0x16/0x6a
> [ 102.331750] [<c0139872>] __blocking_notifier_call_chain+0x24/0x4c
> [ 102.331761] [<c01398a6>] blocking_notifier_call_chain+0xc/0xe
> [ 102.331773] [<c0139b82>] update_target+0x3e/0x43
> [ 102.331784] [<c0139d66>] pm_qos_add_requirement+0x76/0x98
> [ 102.331795] [<c02bd8a0>] snd_pcm_hw_params_user+0x2b1/0x302
> [ 102.331811] [<c02bdad9>] snd_pcm_common_ioctl1+0x17a/0xda3
> [ 102.331825] [<c02bee6b>] snd_pcm_playback_ioctl1+0x3ab/0x3c2
> [ 102.331840] [<c02bef06>] snd_pcm_playback_ioctl+0x27/0x35
> [ 102.331853] [<c01795ce>] vfs_ioctl+0x22/0x67
> [ 102.331867] [<c017986d>] do_vfs_ioctl+0x25a/0x268
> [ 102.331878] [<c01798a7>] sys_ioctl+0x2c/0x45
> [ 102.331889] [<c0103d86>] sysenter_past_esp+0x5f/0xa5
> [ 102.331901] =======================
> [ 102.331911] WARNING: at arch/x86/kernel/smp_32.c:561 native_smp_call_function_mask()
> [ 102.331920] [<c0104e01>] show_trace_log_lvl+0x12/0x25
> [ 102.331932] [<c010562d>] show_trace+0xd/0x10
> [ 102.331944] [<c0105704>] dump_stack+0x16/0x18
> [ 102.331955] [<c0112f35>] native_smp_call_function_mask+0x39/0x11d
> [ 102.331970] [<c01142ef>] smp_call_function+0x18/0x1d
> [ 102.331984] [<e885b449>] acpi_processor_latency_notify+0x13/0x1a [processor]
> [ 102.332011] [<c01396e2>] notifier_call_chain+0x2b/0x4a
> [ 102.332023] [<c0139885>] __blocking_notifier_call_chain+0x37/0x4c
> [ 102.332035] [<c01398a6>] blocking_notifier_call_chain+0xc/0xe
> [ 102.332047] [<c0139b82>] update_target+0x3e/0x43
> [ 102.332058] [<c0139d66>] pm_qos_add_requirement+0x76/0x98
> [ 102.332070] [<c02bd8a0>] snd_pcm_hw_params_user+0x2b1/0x302
> [ 102.332085] [<c02bdad9>] snd_pcm_common_ioctl1+0x17a/0xda3
> [ 102.332097] [<c02bee6b>] snd_pcm_playback_ioctl1+0x3ab/0x3c2
> [ 102.332111] [<c02bef06>] snd_pcm_playback_ioctl+0x27/0x35
> [ 102.332123] [<c01795ce>] vfs_ioctl+0x22/0x67
> [ 102.332134] [<c017986d>] do_vfs_ioctl+0x25a/0x268
> [ 102.332146] [<c01798a7>] sys_ioctl+0x2c/0x45
> [ 102.332156] [<c0103d86>] sysenter_past_esp+0x5f/0xa5
> [ 102.332167] =======================
> [ 102.357016] WARNING: at arch/x86/kernel/smp_32.c:561 native_smp_call_function_mask()
> [ 102.357034] [<c0104e01>] show_trace_log_lvl+0x12/0x25
> [ 102.357058] [<c010562d>] show_trace+0xd/0x10
> [ 102.357072] [<c0105704>] dump_stack+0x16/0x18
> [ 102.357083] [<c0112f35>] native_smp_call_function_mask+0x39/0x11d
> [ 102.357100] [<c01142ef>] smp_call_function+0x18/0x1d
> [ 102.357113] [<e885b449>] acpi_processor_latency_notify+0x13/0x1a [processor]
> [ 102.357141] [<c01396e2>] notifier_call_chain+0x2b/0x4a
> [ 102.357155] [<c0139885>] __blocking_notifier_call_chain+0x37/0x4c
> [ 102.357166] [<c01398a6>] blocking_notifier_call_chain+0xc/0xe
> [ 102.357178] [<c0139b82>] update_target+0x3e/0x43
> [ 102.357190] [<c0139bec>] pm_qos_remove_requirement+0x65/0x87
> [ 102.357200] [<c02bd865>] snd_pcm_hw_params_user+0x276/0x302
> [ 102.357215] [<c02bdad9>] snd_pcm_common_ioctl1+0x17a/0xda3
> [ 102.357227] [<c02bee6b>] snd_pcm_playback_ioctl1+0x3ab/0x3c2
> [ 102.357239] [<c02bef06>] snd_pcm_playback_ioctl+0x27/0x35
> [ 102.357251] [<c01795ce>] vfs_ioctl+0x22/0x67
> [ 102.357264] [<c017986d>] do_vfs_ioctl+0x25a/0x268
> [ 102.357276] [<c01798a7>] sys_ioctl+0x2c/0x45
> [ 102.357286] [<c0103d86>] sysenter_past_esp+0x5f/0xa5
> [ 102.357296] =======================
> [ 102.357325] WARNING: at arch/x86/kernel/smp_32.c:561 native_smp_call_function_mask()
> [ 102.357332] [<c0104e01>] show_trace_log_lvl+0x12/0x25
> [ 102.357345] [<c010562d>] show_trace+0xd/0x10
> [ 102.357356] [<c0105704>] dump_stack+0x16/0x18
> [ 102.357367] [<c0112f35>] native_smp_call_function_mask+0x39/0x11d
> [ 102.357378] [<c01142ef>] smp_call_function+0x18/0x1d
> [ 102.357391] [<e885b449>] acpi_processor_latency_notify+0x13/0x1a [processor]
> [ 102.357409] [<c01396e2>] notifier_call_chain+0x2b/0x4a
> [ 102.357421] [<c0139885>] __blocking_notifier_call_chain+0x37/0x4c
> [ 102.357433] [<c01398a6>] blocking_notifier_call_chain+0xc/0xe
> [ 102.357443] [<c0139b82>] update_target+0x3e/0x43
> [ 102.357454] [<c0139d66>] pm_qos_add_requirement+0x76/0x98
> [ 102.357465] [<c02bd8a0>] snd_pcm_hw_params_user+0x2b1/0x302
> [ 102.357477] [<c02bdad9>] snd_pcm_common_ioctl1+0x17a/0xda3
> [ 102.357488] [<c02bee6b>] snd_pcm_playback_ioctl1+0x3ab/0x3c2
> [ 102.357500] [<c02bef06>] snd_pcm_playback_ioctl+0x27/0x35
> [ 102.357511] [<c01795ce>] vfs_ioctl+0x22/0x67
> [ 102.357521] [<c017986d>] do_vfs_ioctl+0x25a/0x268
> [ 102.357532] [<c01798a7>] sys_ioctl+0x2c/0x45
> [ 102.357542] [<c0103d86>] sysenter_past_esp+0x5f/0xa5
> [ 102.357552] =======================
> [ 102.366346] WARNING: at arch/x86/kernel/smp_32.c:561 native_smp_call_function_mask()
> [ 102.366358] [<c0104e01>] show_trace_log_lvl+0x12/0x25
> [ 102.366380] [<c010562d>] show_trace+0xd/0x10
> [ 102.366393] [<c0105704>] dump_stack+0x16/0x18
> [ 102.366404] [<c0112f35>] native_smp_call_function_mask+0x39/0x11d
> [ 102.366420] [<c01142ef>] smp_call_function+0x18/0x1d
> [ 102.366434] [<e885b449>] acpi_processor_latency_notify+0x13/0x1a [processor]
> [ 102.366460] [<c01396e2>] notifier_call_chain+0x2b/0x4a
> [ 102.366473] [<c0139885>] __blocking_notifier_call_chain+0x37/0x4c
> [ 102.366486] [<c01398a6>] blocking_notifier_call_chain+0xc/0xe
> [ 102.366498] [<c0139b82>] update_target+0x3e/0x43
> [ 102.366509] [<c0139bec>] pm_qos_remove_requirement+0x65/0x87
> [ 102.366521] [<c02bd865>] snd_pcm_hw_params_user+0x276/0x302
> [ 102.366537] [<c02bdad9>] snd_pcm_common_ioctl1+0x17a/0xda3
> [ 102.366550] [<c02bee6b>] snd_pcm_playback_ioctl1+0x3ab/0x3c2
> [ 102.366563] [<c02bef06>] snd_pcm_playback_ioctl+0x27/0x35
> [ 102.366574] [<c01795ce>] vfs_ioctl+0x22/0x67
> [ 102.366588] [<c017986d>] do_vfs_ioctl+0x25a/0x268
> [ 102.366600] [<c01798a7>] sys_ioctl+0x2c/0x45
> [ 102.366611] [<c0103d86>] sysenter_past_esp+0x5f/0xa5
> [ 102.366622] =======================
> [ 102.366690] WARNING: at arch/x86/kernel/smp_32.c:561 native_smp_call_function_mask()
> [ 102.366698] [<c0104e01>] show_trace_log_lvl+0x12/0x25
> [ 102.366711] [<c010562d>] show_trace+0xd/0x10
> [ 102.366722] [<c0105704>] dump_stack+0x16/0x18
> [ 102.366733] [<c0112f35>] native_smp_call_function_mask+0x39/0x11d
> [ 102.366747] [<c01142ef>] smp_call_function+0x18/0x1d
> [ 102.366759] [<e885b449>] acpi_processor_latency_notify+0x13/0x1a [processor]
> [ 102.366778] [<c01396e2>] notifier_call_chain+0x2b/0x4a
> [ 102.366792] [<c0139885>] __blocking_notifier_call_chain+0x37/0x4c
> [ 102.366805] [<c01398a6>] blocking_notifier_call_chain+0xc/0xe
> [ 102.366817] [<c0139b82>] update_target+0x3e/0x43
> [ 102.366829] [<c0139d66>] pm_qos_add_requirement+0x76/0x98
> [ 102.366840] [<c02bd8a0>] snd_pcm_hw_params_user+0x2b1/0x302
> [ 102.366853] [<c02bdad9>] snd_pcm_common_ioctl1+0x17a/0xda3
> [ 102.366865] [<c02bee6b>] snd_pcm_playback_ioctl1+0x3ab/0x3c2
> [ 102.366879] [<c02bef06>] snd_pcm_playback_ioctl+0x27/0x35
> [ 102.366892] [<c01795ce>] vfs_ioctl+0x22/0x67
> [ 102.366902] [<c017986d>] do_vfs_ioctl+0x25a/0x268
> [ 102.366913] [<c01798a7>] sys_ioctl+0x2c/0x45
> [ 102.366922] [<c0103d86>] sysenter_past_esp+0x5f/0xa5
> [ 102.366932] =======================
> [ 108.552031] printk: 31 messages suppressed.
All this BUG / WARNINGS are caused by *-qos* patches. Reverting this 3 patches makes the BUGs go away :
latencyc-use-qos-infrastructure.patch
pm-qos-infrastructure-and-interface.patch
pm-qos-infrastructure-and-interface-static-initialization-with-blocking-notifiers.patch
Gabriel
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