linux-kernel - Re: Long timeout when booting >= 2.6.38

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Date:	Tue, 03 May 2011 18:38:54 -0700
From:	john stultz <johnstul@...ibm.com>
To:	Christian Hoffmann <email@...istianhoffmann.info>
Cc:	lkml <linux-kernel@...r.kernel.org>
Subject: Re: Long timeout when booting >= 2.6.38

On Tue, 2011-05-03 at 20:48 +0200, Christian Hoffmann wrote:
> Hi,
> 
> > Could you send me the full dmesg output both with and without the
> > 08ec0c58fb8a05d3191d5cb6f5d6f81adb419798 commit applied?
> 
> broken.dmesg is kernel at 08ec0c58fb8a05d3191d5cb6f5d6f81adb419798
> working.dmesg is 08ec0c58fb8a05d3191d5cb6f5d6f81adb419798 - 1
> 
> >
> > Also, does the same issue crop up if you compile the kernel with
> > CONFIG_PCI_MSI disabled?
> >
> 
> I can't really disable this, can I? This gets set by other presets. I 
> tried to use pci=nomsi, but i see same issue (but I also see the MSI 
> quirks in dmesg, so not sure if this is working).
> 
> I didn't cc the linux-kernel, as I don't know if I am supposed to post 
> dmesg/attachements.

Can you send dmesg on a broken kernel with the following patch added?

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 5129ed6..6718e7f 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -2791,6 +2791,7 @@ static void pci_do_fixups(struct pci_dev *dev, struct pci_fixup *f,
 		if ((f->vendor == dev->vendor || f->vendor == (u16) PCI_ANY_ID) &&
 		    (f->device == dev->device || f->device == (u16) PCI_ANY_ID)) {
 			dev_dbg(&dev->dev, "calling %pF\n", f->hook);
+			printk("Calling fixup hook: %pF\n", f->hook);
 			f->hook(dev);
 		}
 		f++;






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