linux-kernel - Re: do_IRQ: 0.126 No irq handler for vector (irq -1)

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Date:	Thu, 23 Jul 2015 17:59:31 +0200
From:	Stefan Priebe <s.priebe@...fihost.ag>
To:	Thomas Gleixner <tglx@...utronix.de>
CC:	x86@...nel.org, JBeulich@...e.com,
	LKML <linux-kernel@...r.kernel.org>,
	Sasha Levin <sasha.levin@...cle.com>,
	Jiang Liu <jiang.liu@...ux.intel.com>
Subject: Re: do_IRQ: 0.126 No irq handler for vector (irq -1)


Am 22.07.2015 um 09:23 schrieb Stefan Priebe - Profihost AG:
>
> Am 21.07.2015 um 23:15 schrieb Thomas Gleixner:
>> On Tue, 21 Jul 2015, Stefan Priebe wrote:
>>> Am 20.07.2015 um 12:53 schrieb Thomas Gleixner:
>>>> On Mon, 20 Jul 2015, Stefan Priebe - Profihost AG wrote:
>>>>> Hello list,
>>>>>
>>>>> i've 36 servers all running vanilla 3.18.18 kernel which have a very
>>>>> high disk and network load.
>>>>>
>>>>> Since a few days i encounter regular the following error messages and
>>>>> pretty often completely hanging disk i/o:
>>>>> [535040.439859] do_IRQ: 0.126 No irq handler for vector (irq -1)
>>>>>
>>>>> All systems are Single E5 Xeons and I'm running irqbalance on them.
>>>>
>>>> Does it stop if you disable irqbalance ?
>>>
>>> No. The machines still crash.
>>
>> crash as in running into a BUG? Or is it just that disk I/O is stalled?
>
> Sorry i meant I/O is stalled. It crashes to me as i can't login anymore
> due to hanging I/O.
>
>> Can you please provide the full dmesg output of such a machine?
>
> Yes (this time from a machine using 3.18.14) =>
> http://pastebin.com/raw.php?i=S6kAk0iS
>
>> I'll cook up a debug patch for that against 3.18.18.

Do you have any special upstream commits in mind?

Stefan

>
> That would be great!
>
> Stefan
>
>> Thanks,
>>
>> 	tglx
>>
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