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

From: Jens Axboe
Date: Tue Sep 02 2008 - 02:33:49 EST


On Tue, Sep 02 2008, FUJITA Tomonori wrote:
> On Tue, 2 Sep 2008 00:17:05 -0500
> Bob Tracy <rct@xxxxxxxxxxxxxxxx> 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@xxxxxxxxx>
> > 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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