From: Bjorn Helgaas <bjorn.helgaas@hp.com>
To: Jiri Slaby <jirislaby@gmail.com>
Subject: Re: pnp changes -> suspend oops [Was: 2.6.26-rc5-mm2]
Date: Thu, 12 Jun 2008 15:57:27 -0600
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Cc: Andrew Morton <akpm@linux-foundation.org>, linux-kernel@vger.kernel.org,
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References: <20080609223145.5c9a2878.akpm@linux-foundation.org> <200806121522.44199.bjorn.helgaas@hp.com> <48519782.9070306@gmail.com>
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On Thursday 12 June 2008 03:39:14 pm Jiri Slaby wrote:
> On 06/12/2008 11:22 PM, Bjorn Helgaas wrote:
> > On Thursday 12 June 2008 03:10:04 pm Jiri Slaby wrote:
> >> On 06/11/2008 09:03 PM, Bjorn Helgaas wrote:
> >>> Before you go to all the trouble of bisecting it, can you turn on
> >>> CONFIG_PNP_DEBUG and try the following debug patch?  I think this
> >>> will prevent the oops, but it's just papering over the real problem,
> >>> so please capture the complete dmesg log.
> >> ACPI: PCI interrupt for device 0000:00:02.0 disabled
> >> serial 00:07: disabled
> >> serial 00:06: disabled
> >> ACPI handle has no context!
> >> ACPI: PCI interrupt for device 0000:00:1d.7 disabled
> >> ...
> >> serial 00:06:   no dma resource to encode!
> >> serial 00:06: activated
> >> serial 00:07:   no dma resource to encode!
> >> serial 00:07: activated
> >> ACPI: PCI Interrupt 0000:00:02.0[A] -> GSI 16 (level, low) -> IRQ 16
> > 
> > Interesting.  I wonder why a serial device would have a DMA resource.
> > We encode resources by following a template from _CRS, so evidently
> > that template had a DMA resource.  Or something deeper is wrong.
> > 
> > Can you send me the rest of that dmesg log?
> 
> Below.

Thanks, but it looks like CONFIG_PNP_DEBUG is not turned on.  Can
you turn that on and capture the log again, please?

Bjorn

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