Re: 2.6.24-rc2-mm1

Andrew Morton
2007-11-14T16:40:03Z

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