Re: Stack Trace question

["Vaughn Clinton" <vclinton@xxxxxxx>]

thanks!

--------------------------------------------------
From: "Venky K Shankar" <vshankar0@xxxxxxxxx>
Sent: Friday, October 03, 2008 7:02 PM
To: "Vaughn Clinton" <vclinton@xxxxxxx>
Cc: <kernelnewbies@xxxxxxxxxxxx>
Subject: Re: Stack Trace question

> Vaughn Clinton wrote:
> > All,
> >  
> > I've got a quick question about the stack trace below.  I see the
> > flags <IRQ> and <EOI> in this trace and would like to understand
> > better what this means.  My swag is that it's showing that the stack
> > trace is running in interrupt context when the kernel panic'd.
> <IRQ> is 'Interrupt Request', <EOI> is "End Of Interrupt'.
> (ret_from_intr is called after handling an interrupt)
> [arch/<arch>/kernel/entry_{32/64}.S]
>
> Yes, looks like your kernel panic'd while in interrupt context.
> (netif_receive_skb is called from NET_RX_SOFTIRQ handler, and it is in
> bottom-half context, but acc. to your stack trace
> it looks like it has been interrupted by an interrupt, but that should
> be fine.)
>
> Correct me if i am wrong
>
> >  
> > Anyway, thanks in advance for the help ...
> >  
> > Cheers,
> >  
> > node1 kernel: <IRQ> [<ffffffff8021f155>] netif_receive_skb+0x2b7/0x2d7
> > node1 kernel: [<ffffffff881ca79f>]
> > :ib_ipoib:ipoib_ib_completion+0x92/0x492
> > node1 kernel: [<ffffffff8021b7c6>] __mod_timer+0xb1/0xbf
> > node1 kernel: [<ffffffff8816a4fa>] :ib_mthca:mthca_eq_int+0x7a/0x38a
> > node1 kernel: [<ffffffff8024cc16>] hrtimer_run_queues+0x173/0x195
> > node1 kernel: [<ffffffff8026277e>] _spin_unlock_irq+0x6/0xa
> > node1 kernel: [<ffffffff8816a99c>]
> > :ib_mthca:mthca_arbel_interrupt+0x39/0x8b
> > node1 kernel: [<ffffffff802102f8>] handle_IRQ_event+0x23/0x51
> > node1 kernel: [<ffffffff802a4f5c>] handle_fasteoi_irq+0x8e/0xce
> > node1 kernel: [<ffffffff802683a8>] do_IRQ+0x7b/0xc0
> > node1 kernel: [<ffffffff8025d641>] ret_from_intr+0x0/0xa
> > node1 kernel: <EOI>
> cu
> Venky
>
> > ------------------------------------------------------------------------
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> > <http://search.msn.com/results.aspx?q=windows+vista&mkt=en-US&form=QBRE>

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