Re: Unhelpful "ACPI handle has no context!" warning

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On 1/30/10, Andreas Mohr <andi@xxxxxxxx> wrote:
> Hi all,
>
> I'm having [subject] message regularly, on several different machines
> even.
>
> The current machine (2.6.33-rc4) shows:
>
> serial 00:0d: disabled
> pnp 00:0c: legacy suspend
> pnp 00:0b: legacy suspend
> pnp 00:0a: legacy suspend
> system 00:09: legacy suspend
> pnp 00:08: legacy suspend
> rtc_cmos 00:07: legacy suspend, may wakeup
> i8042 kbd 00:06: legacy suspend
> i8042 aux 00:05: legacy suspend
> system 00:04: legacy suspend
> system 00:03: legacy suspend
> system 00:02: legacy suspend
> pnp 00:01: legacy suspend
> system 00:00: legacy suspend
> ohci1394 0000:02:0f.2: suspend
> ACPI handle has no context!
> yenta_cardbus 0000:02:0f.1: suspend
> yenta_cardbus 0000:02:0f.0: suspend
> pci 0000:02:06.0: suspend
> Maestro3 0000:02:03.0: suspend
> Maestro3 0000:02:03.0: PCI INT A disabled
> ACPI handle has no context!
> pci 0000:01:00.0: suspend
> pci 0000:01:00.0: PCI INT A disabled
> uhci_hcd 0000:00:1f.2: suspend
> uhci_hcd 0000:00:1f.2: uhci_pci_suspend
> uhci_hcd 0000:00:1f.2: PCI INT D disabled
> ata_piix 0000:00:1f.1: suspend
> pci 0000:00:1f.0: suspend
> pci 0000:00:1e.0: suspend
> pci 0000:00:01.0: suspend
> pci 0000:00:00.0: suspend
> platform dock.0: suspend
>
>
> I don't know what the hell one could inquire easily, to rectify some
> thing or another that seems broken here.
>
> Could this rather weird message (it's both "scary" _and_
> very non-informational) be made a bit more user-friendly?
> Print out acpi handle %p and dev_name(dev) at least?
> Given this dump, one does not know any whereabouts of this message
> and would have to actively hack stuff to get most basic info about which
> device is being processed unsuccessfully at that particular instant.
>
> Thanks,
>
> Andreas Mohr

Apparently this is harmless

<http://thread.gmane.org/gmane.linux.acpi.devel/41197/focus=41198>

I agree it'd be nice not to have to worry about it though.

Regards
Alan
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