linux-kernel - Re: 2.6.24-rc2-mm1

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Date:	Wed, 14 Nov 2007 00:41:29 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	"Dave Young" <hidave.darkstar@...il.com>
Cc:	linux-kernel@...r.kernel.org, Greg KH <greg@...ah.com>,
	Kay Sievers <kay.sievers@...y.org>
Subject: Re: 2.6.24-rc2-mm1

On Wed, 14 Nov 2007 14:47:38 +0800 "Dave Young" <hidave.darkstar@...il.com> wrote:

> On Nov 14, 2007 2:38 PM, Andrew Morton <akpm@...ux-foundation.org> wrote:
> >
> > On Wed, 14 Nov 2007 14:18:39 +0800 "Dave Young" <hidave.darkstar@...il.com> wrote:
> >
> > > Hi,
> > > Boot failed on my machine. hand copy some messages.
> > >
> > > First with BLK_DEV_RAM=y
> > >
> > > BUG kmalloc-64 Poison overwritting:
> > > Alloced in kset_create
> > > Freed in kobject_cleanup
> > >
> > > --cut--
> > > alloc_disk_node
> > > rd_init
> > > kernel_init
> > > --cut--
> > >
> > > Then config ramdisk as module, build and reboot:
> > >
> > > BUG: unable handle paging resuest at 6b6b6b6b
> > > EIP is kobject_add 0xc4/0x150
> > >
> > > --cut--
> > > kobject_set_name
> > > register_disk
> > > add_disk
> > > exact_match
> > > exact_lock
> > > loop_init
> > > --cut--
> > >
> >
> > erp.  Can you send the config over please?
> >
> > And which distro/version is that machine running?
> >
> 
> Hi,andrew
> 
> slackware 11
> 
> config as follows:
> #
> # Automatically generated make config: don't edit
> # Linux kernel version: 2.6.24-rc2-mm1
> # Wed Nov 14 13:50:01 2007
> #

OK, I can reproduce that on the Vaio, thanks.

oops: http://userweb.kernel.org/~akpm/dsc00037.jpg
config: (what you sent)
dmesg: http://userweb.kernel.org/~akpm/dmesg-sony.txt

An inspired guess led me to suspect the driver tree.  The offending patch
is gregkh-driver-kset-convert-block_subsys-to-use-kset_create.patch.

There's some kobject warning which comes out when
gregkh-driver-kset-convert-block_subsys-to-use-kset_create.patch isn't
applied.  More bisecting coming up..

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