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Date: Sun, 20 Sep 2009 23:54:23 +1200 From: Kelly Bowa <kbpm@...edu.org> To: linux-kernel@...r.kernel.org Cc: Ingo Molnar <mingo@...e.hu>, Eric Paris <eparis@...hat.com>, Andrew Morton <akpm@...ux-foundation.org>, Thomas Gleixner <tglx@...utronix.de>, Jens Axboe <jens.axboe@...cle.com> Subject: BUG: scheduling while atomic: .. hi, found following bug in 2.6.31-rc8. CPU model is Intel(R) Atom(TM) CPU N270. This is produced at boot time. I havent had time to look into this yet but looks like an ACPI bug to me.. <6>Checking 'hlt' instruction... OK. <6>ACPI: Core revision 20090521 <3>BUG: scheduling while atomic: swapper/0/0x10000002 <4>Modules linked in: <4>Pid: 0, comm: swapper Not tainted 2.6.31-git #3 <4>Call Trace: <4> [<c0129e92>] __schedule_bug+0x4d/0x52 <4> [<c03a0354>] schedule+0x97/0xa6b <4> [<c01b8e4a>] ? __slab_free+0xd7/0x2ab <4> [<c01bf271>] ? put_object+0x3a/0x3d <4> [<c02ce4d8>] ? acpi_debug_print+0xa/0xc2 <4> [<c02cb15d>] ? acpi_ps_pop_scope+0x79/0x84 <4> [<c02ce4d8>] ? acpi_debug_print+0xa/0xc2 <4> [<c012ba43>] __cond_resched+0x17/0x23 <4> [<c03a0e2e>] _cond_resched+0x20/0x2b <4> [<c02ca71c>] acpi_ps_complete_op+0x214/0x223 <4> [<c02c9a8d>] ? acpi_ps_get_next_simple_arg+0xe0/0xeb <4> [<c02cad98>] acpi_ps_parse_loop+0x66d/0x7bd <4> [<c02ca089>] acpi_ps_parse_aml+0xd4/0x324 <4> [<c02c909a>] acpi_ns_one_complete_parse+0x10e/0x124 <4> [<c02c90e9>] acpi_ns_parse_table+0x39/0x78 <4> [<c02c5f57>] acpi_ns_load_table+0x63/0xe0 <4> [<c02ccea6>] acpi_load_tables+0x6b/0x13e <4> [<c05606d1>] acpi_early_init+0x5d/0xeb <4> [<c054180c>] start_kernel+0x2ce/0x2dd <4> [<c0541091>] __init_begin+0x91/0x96 <3>BUG: scheduling while atomic: swapper/0/0x10000002 <4>Modules linked in: <4>Pid: 0, comm: swapper Not tainted 2.6.31-git #3 <4>Call Trace: <4> [<c0129e92>] __schedule_bug+0x4d/0x52 <4> [<c03a0354>] schedule+0x97/0xa6b <4> [<c01b8e4a>] ? __slab_free+0xd7/0x2ab <4> [<c01bf271>] ? put_object+0x3a/0x3d <4> [<c02ce4d8>] ? acpi_debug_print+0xa/0xc2 <4> [<c02cb15d>] ? acpi_ps_pop_scope+0x79/0x84 <4> [<c02ce4d8>] ? acpi_debug_print+0xa/0xc2 <4> [<c012ba43>] __cond_resched+0x17/0x23 <4> [<c03a0e2e>] _cond_resched+0x20/0x2b <4> [<c02ca71c>] acpi_ps_complete_op+0x214/0x223 <4> [<c02cad98>] acpi_ps_parse_loop+0x66d/0x7bd <4> [<c02ca089>] acpi_ps_parse_aml+0xd4/0x324 <4> [<c02c909a>] acpi_ns_one_complete_parse+0x10e/0x124 <4> [<c02c90e9>] acpi_ns_parse_table+0x39/0x78 <4> [<c02c5f57>] acpi_ns_load_table+0x63/0xe0 <4> [<c02ccea6>] acpi_load_tables+0x6b/0x13e <4> [<c05606d1>] acpi_early_init+0x5d/0xeb <4> [<c054180c>] start_kernel+0x2ce/0x2dd <4> [<c0541091>] __init_begin+0x91/0x96 <3>BUG: scheduling while atomic: swapper/0/0x10000002 <4>Modules linked in: <4>Pid: 0, comm: swapper Not tainted 2.6.31-git #3 <4>Call Trace: <4> [<c0129e92>] __schedule_bug+0x4d/0x52 <4> [<c03a0354>] schedule+0x97/0xa6b <4> [<c01b8e4a>] ? __slab_free+0xd7/0x2ab <4> [<c01bf271>] ? put_object+0x3a/0x3d <4> [<c02ce4d8>] ? acpi_debug_print+0xa/0xc2 <4> [<c02cb15d>] ? acpi_ps_pop_scope+0x79/0x84 <4> [<c02ce4d8>] ? acpi_debug_print+0xa/0xc2 <4> [<c012ba43>] __cond_resched+0x17/0x23 <4> [<c03a0e2e>] _cond_resched+0x20/0x2b <4> [<c02ca71c>] acpi_ps_complete_op+0x214/0x223 <4> [<c02cad98>] acpi_ps_parse_loop+0x66d/0x7bd <4> [<c02ca089>] acpi_ps_parse_aml+0xd4/0x324 <4> [<c02c909a>] acpi_ns_one_complete_parse+0x10e/0x124 <4> [<c02c90e9>] acpi_ns_parse_table+0x39/0x78 <4> [<c02c5f57>] acpi_ns_load_table+0x63/0xe0 <4> [<c02ccea6>] acpi_load_tables+0x6b/0x13e <4> [<c05606d1>] acpi_early_init+0x5d/0xeb <4> [<c054180c>] start_kernel+0x2ce/0x2dd <4> [<c0541091>] __init_begin+0x91/0x96 <3>BUG: scheduling while atomic: swapper/0/0x10000002 <4>Modules linked in: <4>Pid: 0, comm: swapper Not tainted 2.6.31-git #3 <4>Call Trace: <4> [<c0129e92>] __schedule_bug+0x4d/0x52 <4> [<c03a0354>] schedule+0x97/0xa6b <4> [<c01b7e49>] ? init_object+0xe/0x67 <4> [<c03a49d1>] ? sub_preempt_count+0x9/0x9f <4> [<c01ba21f>] ? kmem_cache_free+0x85/0xd5 <4> [<c02abae5>] ? acpi_os_release_object+0xd/0x11 <4> [<c02abae5>] ? acpi_os_release_object+0xd/0x11 <4> [<c02abae5>] ? acpi_os_release_object+0xd/0x11 <4> [<c02cb2c3>] ? acpi_ps_free_op+0x51/0x56 <4> [<c02cafd0>] ? acpi_ps_delete_parse_tree+0x38/0x50 <4> [<c012ba43>] __cond_resched+0x17/0x23 <4> [<c03a0e2e>] _cond_resched+0x20/0x2b <4> [<c02ca71c>] acpi_ps_complete_op+0x214/0x223 <4> [<c02b8ab9>] ? acpi_ds_load2_end_op+0x1b3/0x3f6 <4> [<c02cad98>] acpi_ps_parse_loop+0x66d/0x7bd <4> [<c02ca089>] acpi_ps_parse_aml+0xd4/0x324 <4> [<c02c909a>] acpi_ns_one_complete_parse+0x10e/0x124 <4> [<c02c911b>] acpi_ns_parse_table+0x6b/0x78 <4> [<c02c5f57>] acpi_ns_load_table+0x63/0xe0 <4> [<c02ccea6>] acpi_load_tables+0x6b/0x13e <4> [<c05606d1>] acpi_early_init+0x5d/0xeb <4> [<c054180c>] start_kernel+0x2ce/0x2dd <4> [<c0541091>] __init_begin+0x91/0x96 <3>BUG: scheduling while atomic: swapper/0/0x10000002 <4>Modules linked in: <4>Pid: 0, comm: swapper Not tainted 2.6.31-git #3 <4>Call Trace: <4> [<c0129e92>] __schedule_bug+0x4d/0x52 <4> [<c03a0354>] schedule+0x97/0xa6b <4> [<c01b8e4a>] ? __slab_free+0xd7/0x2ab <4> [<c01bf271>] ? put_object+0x3a/0x3d <4> [<c02ce4d8>] ? acpi_debug_print+0xa/0xc2 <4> [<c02cb15d>] ? acpi_ps_pop_scope+0x79/0x84 <4> [<c02ce4d8>] ? acpi_debug_print+0xa/0xc2 <4> [<c012ba43>] __cond_resched+0x17/0x23 <4> [<c03a0e2e>] _cond_resched+0x20/0x2b <4> [<c02ca71c>] acpi_ps_complete_op+0x214/0x223 <4> [<c02cb21c>] ? acpi_ps_init_op+0x8/0x12 <4> [<c02c9a8d>] ? acpi_ps_get_next_simple_arg+0xe0/0xeb <4> [<c02cad98>] acpi_ps_parse_loop+0x66d/0x7bd <4> [<c02ca089>] acpi_ps_parse_aml+0xd4/0x324 <4> [<c02c909a>] acpi_ns_one_complete_parse+0x10e/0x124 <4> [<c02c911b>] acpi_ns_parse_table+0x6b/0x78 <4> [<c02c5f57>] acpi_ns_load_table+0x63/0xe0 <4> [<c02ccea6>] acpi_load_tables+0x6b/0x13e <4> [<c05606d1>] acpi_early_init+0x5d/0xeb <4> [<c054180c>] start_kernel+0x2ce/0x2dd <4> [<c0541091>] __init_begin+0x91/0x96 <3>BUG: scheduling while atomic: swapper/0/0x10000002 <4>Modules linked in: <4>Pid: 0, comm: swapper Not tainted 2.6.31-git #3 <4>Call Trace: <4> [<c0129e92>] __schedule_bug+0x4d/0x52 <4> [<c03a0354>] schedule+0x97/0xa6b <4> [<c01b7e49>] ? init_object+0xe/0x67 <4> [<c03a49d1>] ? sub_preempt_count+0x9/0x9f <4> [<c01ba21f>] ? kmem_cache_free+0x85/0xd5 <4> [<c02abae5>] ? acpi_os_release_object+0xd/0x11 <4> [<c02abae5>] ? acpi_os_release_object+0xd/0x11 <4> [<c02abae5>] ? acpi_os_release_object+0xd/0x11 <4> [<c02cb2c3>] ? acpi_ps_free_op+0x51/0x56 <4> [<c02cafd0>] ? acpi_ps_delete_parse_tree+0x38/0x50 <4> [<c012ba43>] __cond_resched+0x17/0x23 <4> [<c03a0e2e>] _cond_resched+0x20/0x2b <4> [<c02ca71c>] acpi_ps_complete_op+0x214/0x223 <4> [<c02b8ab9>] ? acpi_ds_load2_end_op+0x1b3/0x3f6 <4> [<c02cad98>] acpi_ps_parse_loop+0x66d/0x7bd <4> [<c02ca089>] acpi_ps_parse_aml+0xd4/0x324 <4> [<c02c909a>] acpi_ns_one_complete_parse+0x10e/0x124 <4> [<c02c911b>] acpi_ns_parse_table+0x6b/0x78 <4> [<c02c5f57>] acpi_ns_load_table+0x63/0xe0 <4> [<c02ccea6>] acpi_load_tables+0x6b/0x13e <4> [<c05606d1>] acpi_early_init+0x5d/0xeb <4> [<c054180c>] start_kernel+0x2ce/0x2dd <4> [<c0541091>] __init_begin+0x91/0x96 <6>ftrace: converting mcount calls to 0f 1f 44 00 00 <6>ftrace: allocating 14224 entries in 28 pages <6>..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 <6>CPU0: Intel(R) Atom(TM) CPU N270 @ 1.60GHz stepping 02 <6>Booting processor 1 APIC 0x1 ip 0x6000 <6>Initializing CPU#1 ..... <3>BUG: using smp_processor_id() in preemptible [00000000] code: events/0/9 <4>caller is vmstat_update+0x14/0x3e <4>Pid: 9, comm: events/0 Not tainted 2.6.31-git #3 <4>Call Trace: <4> [<c039ff98>] ? printk+0x14/0x1c <4> [<c0284e7a>] debug_smp_processor_id+0x9e/0xb4 <4> [<c01a4749>] vmstat_update+0x14/0x3e <4> [<c0144a30>] worker_thread+0x15f/0x1e8 <4> [<c01a4735>] ? vmstat_update+0x0/0x3e <4> [<c014809f>] ? autoremove_wake_function+0x0/0x38 <4> [<c01448d1>] ? worker_thread+0x0/0x1e8 <4> [<c0147d9e>] kthread+0x66/0x6b <4> [<c0147d38>] ? kthread+0x0/0x6b <4> [<c01035cf>] kernel_thread_helper+0x7/0x10 <3>BUG: using smp_processor_id() in preemptible [00000000] code: events/0/9 <4>caller is vmstat_update+0x2a/0x3e <4>Pid: 9, comm: events/0 Not tainted 2.6.31-git #3 <4>Call Trace: <4> [<c039ff98>] ? printk+0x14/0x1c <4> [<c0284e7a>] debug_smp_processor_id+0x9e/0xb4 <4> [<c01a475f>] vmstat_update+0x2a/0x3e <4> [<c0144a30>] worker_thread+0x15f/0x1e8 <4> [<c01a4735>] ? vmstat_update+0x0/0x3e <4> [<c014809f>] ? autoremove_wake_function+0x0/0x38 <4> [<c01448d1>] ? worker_thread+0x0/0x1e8 <4> [<c0147d9e>] kthread+0x66/0x6b <4> [<c0147d38>] ? kthread+0x0/0x6b <4> [<c01035cf>] kernel_thread_helper+0x7/0x10 kbpm -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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