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Re: [Xen-devel] irq 17: nobody cared (try booting with the "irqpoll" opt

To: Hans-Christian Armingeon <mog.johnny@xxxxxxx>
Subject: Re: [Xen-devel] irq 17: nobody cared (try booting with the "irqpoll" option)
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: Sun, 4 Jun 2006 09:03:44 +0100
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On 3 Jun 2006, at 13:51, Hans-Christian Armingeon wrote:

[ 1199.028108] irq 17: nobody cared (try booting with the "irqpoll" option)
[ 1199.031054]
[ 1199.031055] Call Trace: <IRQ> <ffffffff8014d754>{__report_bad_irq+48} [ 1199.034294] <ffffffff8014d9bc>{note_interrupt+539} <ffffffff8014d2ab>{__do_IRQ+190} [ 1199.040504] <ffffffff8010c934>{do_IRQ+62} <ffffffff802d0034>{evtchn_do_upcall+132} [ 1199.046403] <ffffffff8010b152>{do_hypervisor_callback+30} <EOI>
[ 1199.052363] handlers:
[ 1199.055141] [<ffffffff880354ab>] (ata_interrupt+0x0/0x166 [libata])
[ 1199.058267] Disabling IRQ #17

So I rebooted with irqpoll option.

Is this a bug, or what's the cause of this error message?

It's caused by receiving lots of spurious interrupts on that IRQ. If you don't see similar on native then post boot output from Xen and native Linux and we can look for differences.

 -- Keir


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