linux-kernel - Re: [PATCH 0/2] Re: 2.6.38 regression caused by commit 415e12b

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Date:	Mon, 14 Mar 2011 16:56:34 -0700
From:	Sarah Sharp <sarah.a.sharp@...ux.intel.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	linux-usb@...r.kernel.org, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Ozan Caglayan <ozan@...dus.org.tr>
Subject: Re: [PATCH 0/2] Re: 2.6.38 regression caused by commit 415e12b

On Fri, Mar 04, 2011 at 09:32:35PM +0100, Rafael J. Wysocki wrote:
> I don't understand why pci_no_msi_support() is called on your system even
> though pci=nomsi is not in the kernel command line.
> 
> Please apply this patch on top of the previous two and send me dmesg.

Ok, here's the dmesg with your two previous patches applied, plus the
patch below.  I don't see any stack trace though.

Sarah Sharp

> 
> ---
>  drivers/pci/msi.c |    2 ++
>  1 file changed, 2 insertions(+)
> 
> Index: linux-2.6/drivers/pci/msi.c
> ===================================================================
> --- linux-2.6.orig/drivers/pci/msi.c
> +++ linux-2.6/drivers/pci/msi.c
> @@ -858,6 +858,8 @@ void pci_no_msi(void)
>  
>  void pci_no_msi_support(void)
>  {
> +	dump_stack();
> +
>  	msi_support_enabled = false;
>  	pci_no_msi();
>  }

View attachment "dmesg.txt" of type "text/plain" (80585 bytes)