Re: partition sysfs OOPS in current GIT

[David Miller]

From: Greg KH <gregkh@xxxxxxx>
Date: Wed, 6 Feb 2008 23:00:44 -0800

> On Wed, Feb 06, 2008 at 10:39:44PM -0800, David Miller wrote:
> > From: Greg KH <gregkh@xxxxxxx>
> > Date: Wed, 6 Feb 2008 22:42:10 -0800
> > 
> > > On Wed, Feb 06, 2008 at 10:05:44PM -0800, David Miller wrote:
> > > > I found the problem, it's the "whole_disk" partition attribute.
> > > 
> > > I don't understand that code at all, on 2.6.24, what does reading that
> > > file give you?  At first glance, I don't see how that file would spit
> > > out anything and not give you the same kind of oops.
> > > 
> > > you are in a maze of kobject pointers, all alike...
> > 
> > It's supposed to just exist, and be an empty zero length file.
> > That's why it's given no ->show method pointer.
> > 
> > It's existence just means that the partition is a "whole disk"
> > partition type.
> 
> Can you try this patch to see if it solves the oops, and that the file
> is still there and works properly?

It doesn't crash, but the file returns -EIO instead of zero when read.

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