2.6.21 - BUG: at arch/i386/kernel/smp.c:177 send_IPI_mask_bitmask()

["Jeff Chua" <jeff.chua.linux@gmail.com>]

Got this error just before suspend to disk. Suspend/resume without
problem, but only saw this after upgrading to 2.6.21 (no problem with
2.6.21-rc7, I think).

CONFIG_NO_HZ, CONFIG_HIGH_RES_TIMERS unset
CONFIG_HPET_TIMER=y


ACPI: PCI interrupt for device 0000:00:1b.0 disabled
Disabling non-boot CPUs ...
swsusp: critical section:
swsusp: Need to copy 46874 pages
BUG: at arch/i386/kernel/smp.c:177 send_IPI_mask_bitmask()
[<c0113b7e>] send_IPI_mask_bitmask+0x52/0xa4
[<c0139311>] tick_do_broadcast_on_off+0x0/0xd3
[<c01141fe>] __smp_call_function_single+0x44/0x64
[<c0139311>] tick_do_broadcast_on_off+0x0/0xd3
[<c01142e0>] smp_call_function_single+0xc2/0xeb
[<c013942c>] tick_broadcast_on_off+0x48/0x63
[<c013913c>] tick_notify+0x20/0x54
[<c012e71d>] notifier_call_chain+0x1b/0x2d
[<c0138cf5>] clockevents_notify+0x19/0x54
[<c025f489>] acpi_processor_power_verify+0x7d/0x86
[<c025f4c7>] acpi_processor_get_power_info+0x35/0x6c
[<c025f535>] acpi_processor_cst_has_changed+0x37/0x55
[<c025e334>] acpi_processor_notify+0x4c/0x5f
[<c0244a33>] acpi_ev_notify_dispatch+0x52/0x5b
[<c02449cf>] acpi_ev_queue_notify_request+0x9e/0xb0
[<c024acc8>] acpi_ex_opcode_2A_0T_0R+0x68/0x96
[<c02417bb>] acpi_ds_exec_end_op+0xc1/0x386
[<c023fbdf>] acpi_os_release_object+0x5/0x8
[<c0250c2d>] acpi_ps_complete_op+0x1cc/0x1db
[<c0250fa6>] acpi_ps_parse_loop+0x271/0x2a7
[<c023fbdf>] acpi_os_release_object+0x5/0x8
[<c02504bc>] acpi_ps_parse_aml+0x69/0x219
[<c0243888>] acpi_ds_init_aml_walk+0xb3/0x106
[<c025152b>] acpi_ps_execute_method+0xaf/0xe5
[<c024e6ef>] acpi_ns_evaluate+0x9b/0xf4
[<c024dfe4>] acpi_evaluate_object+0x14c/0x1f3
[<c024d55f>] acpi_leave_sleep_state+0x190/0x26d
[<c0256a6b>] acpi_pm_finish+0x11/0x40
[<c0140e99>] pm_suspend_disk+0x170/0x185
[<c01401d8>] enter_state+0x44/0x76
[<c0140321>] state_store+0x87/0x9e
[<c014029a>] state_store+0x0/0x9e
[<c0193a92>] subsys_attr_store+0x1c/0x24
[<c0193c86>] flush_write_buffer+0x23/0x28
[<c0193cd0>] sysfs_write_file+0x45/0x67
[<c01624c2>] vfs_write+0x8b/0x106
[<c01625e5>] sys_write+0x41/0x67
[<c0103ea0>] syscall_call+0x7/0xb
[<c0360000>] irttp_open_tsap+0x149/0x1d1
=======================


Thanks,
Jeff.
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