BUG: sleeping function called from invalid context at kernel/sched.c:5558

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Thomas Meyer

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Nov 3, 2008, 1:20:14 PM11/3/08
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False positive, while suspend/resume-to/from-disk?

[19332.352863] BUG: sleeping function called from invalid context at kernel/sched.c:5558
[19332.352866] in_atomic(): 0, irqs_disabled(): 1, pid: 3287, name: pm-hibernate
[19332.352869] Pid: 3287, comm: pm-hibernate Tainted: G W 2.6.28-rc2 #97
[19332.352871] Call Trace:
[19332.352878] [<c0436408>] __might_sleep+0xdc/0xe3
[19332.352882] [<c043bbde>] __cond_resched+0x12/0x36
[19332.352886] [<c09d29a8>] _cond_resched+0x27/0x32
[19332.352889] [<c0697d9c>] acpi_ps_complete_op+0x1e0/0x1ef
[19332.352892] [<c069884e>] ? acpi_ps_alloc_op+0x82/0x84
[19332.352896] [<c0689814>] ? acpi_ds_exec_end_op+0x30c/0x370
[19332.352899] [<c069839f>] acpi_ps_parse_loop+0x5f4/0x721
[19332.352902] [<c069779c>] acpi_ps_parse_aml+0x6d/0x267
[19332.352905] [<c06989e1>] acpi_ps_execute_method+0x11c/0x1d7
[19332.352909] [<c069563c>] acpi_ns_evaluate+0x11c/0x1e4
[19332.352913] [<c069d223>] ? acpi_ut_create_internal_object_dbg+0x15/0x6d
[19332.352916] [<c0699c0b>] acpi_rs_set_srs_method_data+0xb7/0xd2
[19332.352919] [<c0699768>] acpi_set_current_resources+0x2e/0x39
[19332.352923] [<c06a5cfb>] acpi_pci_link_set+0xff/0x1a4
[19332.352926] [<c06a5de9>] irqrouter_resume+0x49/0x60
[19332.352930] [<c06fb1ac>] __sysdev_resume+0x14/0x38
[19332.352933] [<c06fb1f1>] sysdev_resume+0x21/0x54
[19332.352936] [<c06ff712>] device_power_up+0xb/0x15
[19332.352940] [<c0463819>] hibernation_snapshot+0x149/0x1ba
[19332.352943] [<c0463936>] hibernate+0xac/0x17d
[19332.352945] [<c04628c9>] ? state_store+0x0/0xa8
[19332.352948] [<c046291f>] state_store+0x56/0xa8
[19332.352951] [<c04628c9>] ? state_store+0x0/0xa8
[19332.352954] [<c0645565>] kobj_attr_store+0x1a/0x22
[19332.352958] [<c04e08cb>] sysfs_write_file+0xb4/0xdf
[19332.352961] [<c04e0817>] ? sysfs_write_file+0x0/0xdf
[19332.352964] [<c04a557d>] vfs_write+0x84/0xdf
[19332.352967] [<c04a5671>] sys_write+0x3b/0x60
[19332.352970] [<c0417b15>] sysenter_do_call+0x12/0x21
[19332.352986] Enabling non-boot CPUs ...


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Ingo Molnar

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Nov 3, 2008, 2:50:14 PM11/3/08
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* Thomas Meyer <tho...@m3y3r.de> wrote:

> False positive, while suspend/resume-to/from-disk?
>
> [19332.352863] BUG: sleeping function called from invalid context at kernel/sched.c:5558
> [19332.352866] in_atomic(): 0, irqs_disabled(): 1, pid: 3287, name: pm-hibernate
> [19332.352869] Pid: 3287, comm: pm-hibernate Tainted: G W 2.6.28-rc2 #97
> [19332.352871] Call Trace:
> [19332.352878] [<c0436408>] __might_sleep+0xdc/0xe3
> [19332.352882] [<c043bbde>] __cond_resched+0x12/0x36
> [19332.352886] [<c09d29a8>] _cond_resched+0x27/0x32
> [19332.352889] [<c0697d9c>] acpi_ps_complete_op+0x1e0/0x1ef
> [19332.352892] [<c069884e>] ? acpi_ps_alloc_op+0x82/0x84
> [19332.352896] [<c0689814>] ? acpi_ds_exec_end_op+0x30c/0x370
> [19332.352899] [<c069839f>] acpi_ps_parse_loop+0x5f4/0x721
> [19332.352902] [<c069779c>] acpi_ps_parse_aml+0x6d/0x267

Such messages are never false positives, this is a real bug.

Ingo

Rafael J. Wysocki

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Nov 3, 2008, 7:50:07 PM11/3/08
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On Monday, 3 of November 2008, Ingo Molnar wrote:
>
> * Thomas Meyer <tho...@m3y3r.de> wrote:
>
> > False positive, while suspend/resume-to/from-disk?
> >
> > [19332.352863] BUG: sleeping function called from invalid context at kernel/sched.c:5558
> > [19332.352866] in_atomic(): 0, irqs_disabled(): 1, pid: 3287, name: pm-hibernate
> > [19332.352869] Pid: 3287, comm: pm-hibernate Tainted: G W 2.6.28-rc2 #97
> > [19332.352871] Call Trace:
> > [19332.352878] [<c0436408>] __might_sleep+0xdc/0xe3
> > [19332.352882] [<c043bbde>] __cond_resched+0x12/0x36
> > [19332.352886] [<c09d29a8>] _cond_resched+0x27/0x32
> > [19332.352889] [<c0697d9c>] acpi_ps_complete_op+0x1e0/0x1ef
> > [19332.352892] [<c069884e>] ? acpi_ps_alloc_op+0x82/0x84
> > [19332.352896] [<c0689814>] ? acpi_ds_exec_end_op+0x30c/0x370
> > [19332.352899] [<c069839f>] acpi_ps_parse_loop+0x5f4/0x721
> > [19332.352902] [<c069779c>] acpi_ps_parse_aml+0x6d/0x267
>
> Such messages are never false positives, this is a real bug.

Well, not sure.

This is the ACPI AML interpreter executing something with interrupts disabled
due to resume in progress (effectively atomic context).

Thanks,
Rafael

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