linux-kernel - Re: [BUG] 2.6.27-rc5: kobject: tried to init an initialized object...

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Message-ID: <20080902063335.GV20055@kernel.dk>
Date:	Tue, 2 Sep 2008 08:33:36 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
Cc:	rct@...rkin.frus.com, linux-kernel@...r.kernel.org
Subject: Re: [BUG] 2.6.27-rc5: kobject: tried to init an initialized  object...

On Tue, Sep 02 2008, FUJITA Tomonori wrote:
> On Tue, 2 Sep 2008 00:17:05 -0500
> Bob Tracy <rct@...rkin.frus.com> wrote:
> 
> > I'm getting the following when I boot 2.6.27-rc5.  Completely reproducible.
> > Kernel is stock -rc5 except for Krzysztof Helt's AMD K6 mtrr patch.
> > ("cat /proc/mtrr" no longer generates an I/O error, but there's no output
> > either).  If more context is needed, I can forward a complete "dmesg" log.
> > 
> > (...)
> > Floppy drive(s): fd0 is 1.2M, fd1 is 1.44M
> > FDC 0 is a post-1991 82077
> > kobject (d7991e44): tried to init an initialized object, something is seriously wrong.
> > Pid: 1, comm: swapper Not tainted 2.6.27-rc5 #1
> >  [<c01f547f>] kobject_init+0x2b/0x55
> >  [<c01f586c>] kobject_init_and_add+0x10/0x2c
> >  [<c01e9483>] elv_register_queue+0x52/0x58
> >  [<c01efa03>] blk_register_filter+0x39/0x44
> >  [<c01ee8e2>] add_disk+0x3a/0x85
> >  [<c01ee294>] exact_match+0x0/0x7
> >  [<c01ee684>] exact_lock+0x0/0xd
> >  [<c03f6d34>] floppy_init+0x7d2/0xa59
> >  [<c010103a>] _stext+0x3a/0x12a
> >  [<c03f6562>] floppy_init+0x0/0xa59
> >  [<c018a44c>] create_proc_entry+0x69/0x7b
> >  [<c013ecfe>] register_irq_proc+0x74/0x8c
> >  [<c03e6669>] kernel_init+0x5e/0xa9
> >  [<c03e660b>] kernel_init+0x0/0xa9
> >  [<c0102f77>] kernel_thread_helper+0x7/0x10
> >  =======================
> > natsemi dp8381x driver, version 2.1, Sept 11, 2006
> >   originally by Donald Becker <becker@...ld.com>
> >   2.4.x kernel port by Jeff Garzik, Tjeerd Mulder
> > PCI: setting IRQ 12 as level-triggered
> 
> Sorry about that. A fix was queued in Jens' tree:
> 
> http://marc.info/?l=linux-kernel&m=122000748432301&w=2
> 
> 
> Jens, can you send the fix to Linus shortly?

I did, twice already. It's not stalled at my end :-)

-- 
Jens Axboe

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