On Tue, 13 Nov 2007, Andrew Morton wrote:

quoted text
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.24-rc2/2.6.24-rc2-mm...

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 will investigate.

-- 
Jiri Kosina
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