linux-kernel - Re: 2.6.24-rc2-mm1

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Date:	Wed, 14 Nov 2007 08:59:06 -0800
From:	Greg KH <greg@...ah.com>
To:	Dave Young <hidave.darkstar@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Kay Sievers <kay.sievers@...y.org>
Subject: Re: 2.6.24-rc2-mm1

On Wed, Nov 14, 2007 at 05:36:48PM +0800, Dave Young wrote:
> On Nov 14, 2007 4:41 PM, Andrew Morton <akpm@...ux-foundation.org> wrote:
> >
> > 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.
> >
> Hi,
> I do some printk debug, the problem hide in the kobject.c line 256 in
> kobject_add
> seems  at
> list_add_tail(&kobj->entry,&kobj->kset->list);

That's just wierd.  I'll try to figure this out...

Kay, any thoughts, I can use any hint anyone has here :)

thanks,

greg k-h
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