RE: [BUG] sleeping function called from invalid context during resume

["Brown, Len" <len.brown@intel.com>]

>I got the following on my laptop w/ 2.6.18-rc1.
>
>thanks
>-john
>
>Stopping tasks:
>================================================================
>=======================|
>pnp: Device 00:0b disabled.
>ACPI: PCI interrupt for device 0000:02:01.0 disabled
>ACPI: PCI interrupt for device 0000:00:1f.5 disabled
>ACPI: PCI interrupt for device 0000:00:1d.7 disabled
>ACPI: PCI interrupt for device 0000:00:1d.2 disabled
>ACPI: PCI interrupt for device 0000:00:1d.1 disabled
>ACPI: PCI interrupt for device 0000:00:1d.0 disabled
>Intel machine check architecture supported.
>Intel machine check reporting enabled on CPU#0.
>Back to C!
>BUG: sleeping function called from invalid context at mm/slab.c:2882
>in_atomic():0, irqs_disabled():1
> [<c0103d59>] show_trace_log_lvl+0x149/0x170
> [<c01052ab>] show_trace+0x1b/0x20
> [<c01052d4>] dump_stack+0x24/0x30
> [<c0116e51>] __might_sleep+0xa1/0xc0
> [<c0165cb5>] kmem_cache_zalloc+0xa5/0xc0
> [<c0264b5a>] acpi_os_acquire_object+0x11/0x41

yep, the new slab for objects makes this path immune to
the acpi_in_resume hack in acpi_os_allocate()

I think we need to get rid of the acpi_in_resume hack
and use system_state != SYSTEM_RUNNING to address this.

-Len

> [<c027a898>] acpi_ut_allocate_object_desc_dbg+0xf/0x45
> [<c027a926>] acpi_ut_create_internal_object_dbg+0x16/0x69
> [<c0276bd3>] acpi_rs_set_srs_method_data+0x80/0xdd
> [<c02762e5>] acpi_set_current_resources+0x31/0x3f
> [<c02826bf>] acpi_pci_link_set+0xfc/0x1a5
> [<c0282a25>] irqrouter_resume+0x52/0x73
> [<c02b92aa>] __sysdev_resume+0x1a/0x90
> [<c02b9367>] sysdev_resume+0x47/0x70
> [<c02bf1f8>] device_power_up+0x8/0x10
> [<c0142185>] suspend_enter+0x65/0x80
> [<c01422a8>] enter_state+0xc8/0x1b0
> [<c014242f>] state_store+0x9f/0xb0
> [<c01a502e>] subsys_attr_store+0x2e/0x30
> [<c01a5828>] sysfs_write_file+0xb8/0x100
> [<c0169187>] vfs_write+0xa7/0x190
> [<c0169bc7>] sys_write+0x47/0x70
> [<c01031fd>] sysenter_past_esp+0x56/0x8d
> [<b7fd3410>] 0xb7fd3410
>PM: Writing back config space on device 0000:00:01.0 at offset 7 (was
>2a03030, w
>riting 22a03030)
>PCI: Enabling device 0000:00:1d.0 (0000 -> 0001)
>ACPI: PCI Interrupt 0000:00:1d.0[A] -> Link [LNKA] -> GSI 11 (level,
>low) -> IRQ
> 11
>PCI: Setting latency timer of device 0000:00:1d.0 to 64
>PM: Writing back config space on device 0000:00:1d.0 at offset f (was
>100, writi
>ng 10b)
>
-
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