Re: [patch 0/5] [PATCH,RFC] vfs: per-superblock unused dentries list (2nd version)

On Mon, 19 Jun 2006 12:48:44 +0200
Thomas Gleixner <[email protected]> wrote:

> On Sun, 2006-06-18 at 23:33 -0700, Andrew Morton wrote:
> > > ....
> > >     eth3      device: S2io Inc. Xframe 10 Gigabit Ethernet PCI-X (rev 03)
> > >     eth3      configuration: eth-id-00:0c:fc:00:02:c8
> > > irq 60, desc: a0000001009a2d00, depth: 1, count: 0, unhandled: 0
> > > ->handle_irq():  0000000000000000, 0x0
> > > ->chip(): a000000100a0fe40, irq_type_sn+0x0/0x80
> > > ->action(): e00000b007471b80
> > > ->action->handler(): a0000002059373d0, s2io_msi_handle+0x1510/0x660 [s2io]    eth3
> > > IP address: 192.168.1.248/24
> > > Unexpected irq vector 0x3c on CPU 3!
> > 
> > I guess that's where things start to go bad.  genirq changes?
> 
> Hmm, The extra noisy printout is from geirq. The unhandled interrupt
> should be unrelated. 
> 
> The s2io driver enables interrupts in the card in start_nic() before
> requesting the interrupt itself with request_irq(). So I suspect thats a
> problem which has been there already, just the noisy printout makes it
> more visible

OK, that's not good.  It would be strange for the NIC to be aserting an
interrupt in that window though - the machine would end up taking a zillion
interrupts and would disable the whole IRQ line.

Still.  Ravinandan, could you take a look at fixing that up, please?  Wire
up the IRQ handler before enabling interrupts?

We still don't know why these things happened.
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