Re: 2.6.17-mm6

[Rafael J. Wysocki]

On Monday 03 July 2006 12:03, Andrew Morton wrote:
> 
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.17/2.6.17-mm6/
> 
> 
> - A major update to the e1000 driver.
> 
> - 1394 updates

Just found this in dmesg:

=================================
[ INFO: inconsistent lock state ]
---------------------------------
inconsistent {in-hardirq-W} -> {hardirq-on-W} usage.
nscd/4929 [HC0[0]:SC0[1]:HE1:SE0] takes:
 (&skb_queue_lock_key){++..}, at: [<ffffffff8044fe40>] udp_ioctl+0x50/0xa0
{in-hardirq-W} state was registered at:
  [<ffffffff8024b4fa>] lock_acquire+0x8a/0xc0
  [<ffffffff80476e3f>] _spin_lock_irqsave+0x3f/0x60
  [<ffffffff80408c25>] skb_queue_tail+0x25/0x60
  [<ffffffff881c9517>] queue_packet_complete+0x27/0x40 [ieee1394]
  [<ffffffff881c9d6b>] hpsb_packet_sent+0xab/0x100 [ieee1394]
  [<ffffffff8822a4b5>] dma_trm_reset+0x115/0x140 [ohci1394]
  [<ffffffff8822c512>] ohci_devctl+0x1c2/0x540 [ohci1394]
  [<ffffffff881c9673>] hpsb_bus_reset+0x43/0xb0 [ieee1394]
  [<ffffffff8822d7f6>] ohci_irq_handler+0x416/0x830 [ohci1394]
  [<ffffffff802631ab>] handle_IRQ_event+0x2b/0x70
  [<ffffffff80264dd4>] handle_level_irq+0xc4/0x130
  [<ffffffff8020c762>] do_IRQ+0x112/0x130
  [<ffffffff80209d90>] common_interrupt+0x64/0x65
irq event stamp: 4280
hardirqs last  enabled at (4279): [<ffffffff8047606a>] trace_hardirqs_on_thunk+0x35/0x37
hardirqs last disabled at (4278): [<ffffffff804760a1>] trace_hardirqs_off_thunk+0x35/0x67
softirqs last  enabled at (4258): [<ffffffff804065b5>] release_sock+0xd5/0xe0
softirqs last disabled at (4280): [<ffffffff804764d1>] _spin_lock_bh+0x11/0x50

other info that might help us debug this:
no locks held by nscd/4929.

stack backtrace:

Call Trace:
 [<ffffffff8020ab9f>] show_trace+0x9f/0x240
 [<ffffffff8020af75>] dump_stack+0x15/0x20
 [<ffffffff80249e52>] print_usage_bug+0x272/0x290
 [<ffffffff8024a0d7>] mark_lock+0x267/0x5f0
 [<ffffffff8024a9a6>] __lock_acquire+0x546/0xd10
 [<ffffffff8024b4fb>] lock_acquire+0x8b/0xc0
 [<ffffffff804764f4>] _spin_lock_bh+0x34/0x50
 [<ffffffff8044fe40>] udp_ioctl+0x50/0xa0
 [<ffffffff80457359>] inet_ioctl+0x69/0x70
 [<ffffffff804033ac>] sock_ioctl+0x22c/0x270
 [<ffffffff802a32b1>] do_ioctl+0x31/0xa0
 [<ffffffff802a35db>] vfs_ioctl+0x2bb/0x2e0
 [<ffffffff802a366a>] sys_ioctl+0x6a/0xa0
 [<ffffffff8020985a>] system_call+0x7e/0x83
 [<00002b2d76ab98a9>]
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