Re: 2.6.17-rc5-mm3

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On Mon, 2006-06-05 at 01:15 +0200, J.A. Magallón wrote:
> On Sat, 3 Jun 2006 23:20:04 -0700, Andrew Morton <[email protected]> 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]

this one was reported a few days ago and acknowledged by the firewire
people as real.. it seems they haven't sent Andrew a fix yet.
If they don't do that today I'll send a provisional fix

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