linux-kernel - Re: 2.6.25-rc8-mm1 panic in rpaphp_register

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Message-ID: <20080416195933.GB18290@ldl.fc.hp.com>
Date:	Wed, 16 Apr 2008 13:59:33 -0600
From:	Alex Chiang <achiang@...com>
To:	ben@...nel.crashing.org
Cc:	Badari Pulavarty <pbadari@...ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, anton@....ibm.com
Subject: Re: 2.6.25-rc8-mm1 panic in rpaphp_register_slot()

Hi Badari,

* Badari Pulavarty <pbadari@...ibm.com>:
> 
> On Tue, 2008-04-15 at 21:18 -0600, Alex Chiang wrote:
> > >>> +	if (slot->bus->self)
> > >>> +		slot_nr = PCI_SLOT(slot->bus->self->devfn);
> > >>> +	else
> > >>> +		slot_nr = 0;
> > >>> +	retval = pci_hp_register(php_slot, slot->bus, slot_nr);
> > >>>  	if (retval) {
> > >>>  		err("pci_hp_register failed with error %d\n", retval);
> > >>>  		return retval;
> > >
> > > No. It didn't help. I had to hack "slot_nr = 0" all the time to boot my  
> > > machine.
> > 
> > It didn't help because you're still getting a NULL deref? Or are
> > you seeing some other failure mode?
> > 
> 
> I verified this patch again. It seem to have worked this time :(
> I am not able to reproduce the problem with this problem (tried many
> times). 
>  
> Sorry for the false alarm :(

Thanks for testing. Please do let me know if you see any more
problems.

Ben, I would still appreciate a code review on:

	http://lkml.org/lkml/2008/4/7/319

Thanks!

/ac

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