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SubjectRe: 2.6.17-rc5-mm3
On Sat, 3 Jun 2006 23:20:04 -0700, Andrew Morton <akpm@osdl.org> wrote:

>
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.17-rc5/2.6.17-rc5-mm3/
>
> - Lots of PCI and USB updates
>
> - The various lock validator, stack backtracing and IRQ management problems
> are converging, but we're not quite there yet.
>

Got this on boot. Looks like another locking bug in firewire:

ACPI: PCI Interrupt 0000:03:03.0[A] -> GSI 20 (level, low) -> IRQ 20
ohci1394: fw-host0: OHCI-1394 1.1 (PCI): IRQ=[20] MMIO=[ec024000-ec0247ff] Max Packet=[2048] IR/IT contexts=[4/8]
stopped custom tracer.

============================
[ BUG: illegal lock usage! ]
----------------------------
illegal {hardirq-on-W} -> {in-hardirq-R} usage.
idle/0 [HC1[1]:SC1[0]:HE0:SE0] takes:
(hl_irqs_lock){--+.}, at: [<f8835cb9>] highlevel_host_reset+0x11/0x5b [ieee1394]
{hardirq-on-W} state was registered at:
[<c0133fe4>] lockdep_acquire+0x4d/0x63
[<c02f3421>] _write_lock+0x2e/0x3b
[<f88365ab>] hpsb_register_highlevel+0xac/0xea [ieee1394]
[<f8836d6a>] init_csr+0x28/0x3f [ieee1394]
[<f880617d>] 0xf880617d
[<c01398df>] sys_init_module+0x12a/0x1b7b
[<c02f3b2d>] sysenter_past_esp+0x56/0x8d
irq event stamp: 258193
hardirqs last enabled at (258192): [<c011fab5>] __do_softirq+0x67/0xf7
hardirqs last disabled at (258193): [<c0102eb7>] common_interrupt+0x1b/0x2c
softirqs last enabled at (258186): [<c011fb34>] __do_softirq+0xe6/0xf7
softirqs last disabled at (258191): [<c0104cec>] do_softirq+0x5a/0xc9

other info that might help us debug this:
no locks held by idle/0.

stack backtrace:
[<c01034ba>] show_trace+0x12/0x14
[<c0103b8d>] dump_stack+0x19/0x1b
[<c0132025>] print_usage_bug+0x20b/0x215
[<c01329cc>] mark_lock+0x4fa/0x5b4
[<c0133399>] __lockdep_acquire+0x310/0xbc0
[<c0133fe4>] lockdep_acquire+0x4d/0x63
[<c02f3153>] _read_lock+0x2e/0x3b
[<f8835cb9>] highlevel_host_reset+0x11/0x5b [ieee1394]
[<f8833867>] hpsb_selfid_complete+0x286/0x307 [ieee1394]
[<f884ec30>] ohci_irq_handler+0x6c9/0x995 [ohci1394]
[<c013d3a2>] handle_IRQ_event+0x2e/0x63
[<c013e4c3>] handle_fasteoi_irq+0x6b/0xac
[<c0104dc7>] do_IRQ+0x6c/0xa5
=======================
[<c0102ec1>] common_interrupt+0x25/0x2c
[<c0104cec>] do_softirq+0x5a/0xc9
=======================
[<c011fb90>] irq_exit+0x4b/0x4d
[<c0104dce>] do_IRQ+0x73/0xa5
[<c0102ec1>] common_interrupt+0x25/0x2c
[<c010164e>] cpu_idle+0x63/0x80
[<c0100599>] rest_init+0x33/0x3a
[<c03d97af>] start_kernel+0x339/0x3aa
[<c0100210>] 0xc0100210
ieee1394: Host added: ID:BUS[0-00:1023] GUID[00e018000063814f]

--
J.A. Magallon <jamagallon()ono!com> \ Software is like sex:
\ It's better when it's free
Mandriva Linux release 2007.0 (Cooker) for i586
Linux 2.6.16-jam18 (gcc 4.1.1 20060518 (prerelease)) #2 SMP PREEMPT Mon
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