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SubjectRe: 2.6.17-rc6-mm1
Date
On Wednesday 07 June 2006 19:47, Andrew Morton wrote:
>
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.17-rc6/2.6.17-rc6-mm1/
>
> - Many more lockdep updates

Well, I've got this one (Asus L5D, x86_64 kernel):

============================
[ BUG: illegal lock usage! ]
----------------------------
illegal {in-hardirq-W} -> {hardirq-on-W} usage.
hwinfo/3398 [HC0[0]:SC0[1]:HE1:SE0] takes:
(&list->lock){++..}, at: [<ffffffff8046d301>] unix_stream_connect+0x371/0x440
{in-hardirq-W} state was registered at:
[<ffffffff8024bdaa>] lock_acquire+0x8a/0xc0
[<ffffffff8047347f>] _spin_lock_irqsave+0x3f/0x60
[<ffffffff80406e72>] skb_dequeue+0x22/0x70
[<ffffffff881c97b1>] hpsb_bus_reset+0x61/0xb0 [ieee1394]
[<ffffffff8822e986>] ohci_irq_handler+0x416/0x830 [ohci1394]
[<ffffffff8026208b>] handle_IRQ_event+0x2b/0x70
[<ffffffff80263a03>] handle_level_irq+0xb3/0x120
[<ffffffff8020c6ec>] do_IRQ+0x5c/0x80
[<ffffffff80209d60>] common_interrupt+0x64/0x65
irq event stamp: 29916
hardirqs last enabled at (29915): [<ffffffff802893f5>] kmem_cache_free+0xb5/0xd0
hardirqs last disabled at (29914): [<ffffffff802893d0>] kmem_cache_free+0x90/0xd0
softirqs last enabled at (29912): [<ffffffff802342fe>] __do_softirq+0xbe/0xd0
softirqs last disabled at (29916): [<ffffffff80472ac1>] _spin_lock_bh+0x11/0x50

other info that might help us debug this:
1 lock held by hwinfo/3398:
#0: (&u->lock){--..}, at: [<ffffffff8046d093>] unix_stream_connect+0x103/0x440

stack backtrace:

Call Trace:
[<ffffffff8020abd6>] show_trace+0xa6/0x220
[<ffffffff8020af85>] dump_stack+0x15/0x20
[<ffffffff8024a64c>] print_usage_bug+0x23c/0x250
[<ffffffff8024a94f>] mark_lock+0x2ef/0x6a0
[<ffffffff8024b1e6>] __lock_acquire+0x4e6/0xc80
[<ffffffff8024bdab>] lock_acquire+0x8b/0xc0
[<ffffffff80472ae4>] _spin_lock_bh+0x34/0x50
[<ffffffff8046d301>] unix_stream_connect+0x371/0x440
[<ffffffff80402077>] sys_connect+0x87/0xc0
[<ffffffff8020982a>] system_call+0x7e/0x83
[<00002ab066fc6472>]


Greetings,
Rafael
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