Re: 2.6.21-rc7-mm2 crash: Eeek! page_mapcount(page) went negative! (-1)

[Greg KH <gregkh@suse.de>]

On Wed, May 02, 2007 at 12:10:00AM -0700, Andrew Morton wrote:
> On Wed, 02 May 2007 09:01:22 +0200 Tilman Schmidt <tilman@imap.cc> wrote:
> 
> > Am 30.04.2007 21:46 schrieb Andrew Morton:
> > > Not really - everything's tangled up.  A bisection search on the
> > > 2.6.21-rc7-mm2 driver tree would be the best bet.
> > 
> > And the winner is:
> > 
> > gregkh-driver-driver-core-make-uevent-environment-available-in-uevent-file.patch
> > 
> > Reverting only that from 2.6.21-rc7-mm2 gives me a working kernel
> > again.
> 
> cripes.
> 
> +static ssize_t show_uevent(struct device *dev, struct device_attribute *attr,
> +                          char *buf)
> +{
> +       struct kobject *top_kobj;
> +       struct kset *kset;
> +       char *envp[32];
> +       char data[PAGE_SIZE];
> 
> That won't work too well with 4k stacks.

Oh crap.  Yeah, that's not nice.

> Who's reviewing this stuff?  The patch headers indicate that no mailing list was
> cc'ed?

Kay and I did this, sorry, it should have been cc:ed to lkml.

I'll go fix it up now...

thanks,

greg k-h
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