linux-kernel - Re: 2.6.24-rc2-mm1

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Date:	Wed, 14 Nov 2007 08:39:06 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Jiri Kosina <jikos@...os.cz>
Cc:	linux-kernel@...r.kernel.org, Greg KH <greg@...ah.com>
Subject: Re: 2.6.24-rc2-mm1

On Wed, 14 Nov 2007 17:29:49 +0100 (CET) Jiri Kosina <jikos@...os.cz> wrote:

> On Tue, 13 Nov 2007, Andrew Morton wrote:
> 
> > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.24-rc2/2.6.24-rc2-mm1/
> 
> Doesn't boot here:
> 
> serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
> 00:02: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
> Floppy drive(s): fd0 is 1.44M
> floppy0: Floppy io-port 0x03f2 in use
> INFO: trying to register non-static key.
> the code is fine but needs lockdep annotation.
> turning off the locking correctness validator.
> 
> Call Trace:
>  [<ffffffff80251f88>] __lock_acquire+0x1b7/0xcd0
>  [<ffffffff80252e8e>] lock_acquire+0x51/0x6c
>  [<ffffffff8035bd62>] kobject_add+0x9b/0x197
>  [<ffffffff80598ce2>] _spin_lock+0x1e/0x27
>  [<ffffffff8035bd62>] kobject_add+0x9b/0x197
>  [<ffffffff802c9a42>] register_disk+0x48/0x209
>  [<ffffffff80355d14>] add_disk+0x34/0x3d
>  [<ffffffff8083cdb4>] rd_init+0x172/0x1e1
>  [<ffffffff8082063a>] kernel_init+0x175/0x2e6
>  [<ffffffff8025194c>] trace_hardirqs_on+0x115/0x139
>  [<ffffffff80598779>] trace_hardirqs_on_thunk+0x35/0x3a
>  [<ffffffff8025194c>] trace_hardirqs_on+0x115/0x139
>  [<ffffffff8020c628>] child_rip+0xa/0x12
>  [<ffffffff8020bd3f>] restore_args+0x0/0x30
>  [<ffffffff808204c5>] kernel_init+0x0/0x2e6
>  [<ffffffff8020c61e>] child_rip+0x0/0x12
> 
> INFO: lockdep is turned off.
> BUG: spinlock lockup on CPU#0, swapper/1, FFFF81001FA2BED0
> 
> Call Trace:
>  [<ffffffff80363632>] _raw_spin_lock+0xd1/0xf8
>  [<ffffffff8035bd62>] kobject_add+0x9b/0x197
>  [<ffffffff8035bd62>] kobject_add+0x9b/0x197
>  [<ffffffff802c9a42>] register_disk+0x48/0x209
>  [<ffffffff80355d14>] add_disk+0x34/0x3d
>  [<ffffffff8083cdb4>] rd_init+0x172/0x1e1
>  [<ffffffff8082063a>] kernel_init+0x175/0x2e6
>  [<ffffffff8025194c>] trace_hardirqs_on+0x115/0x139
>  [<ffffffff80598779>] trace_hardirqs_on_thunk+0x35/0x3a
>  [<ffffffff8025194c>] trace_hardirqs_on+0x115/0x139
>  [<ffffffff8020c628>] child_rip+0xa/0x12
>  [<ffffffff8020bd3f>] restore_args+0x0/0x30
>  [<ffffffff808204c5>] kernel_init+0x0/0x2e6
>  [<ffffffff8020c61e>] child_rip+0x0/0x12
> 
> INFO: lockdep is turned off.
> 

I'd suspect the driver tree.  I think I'll need to do a quick -mm2 without
that tree present.

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