From: Thomas Gleixner <tglx@linutronix.de>
To: "jianchao.wang" <jianchao.w.wang@oracle.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Christoph Hellwig <hch@lst.de>,
Keith Busch <keith.busch@intel.com>,
Sagi Grimberg <sagi@rimberg.me>, Jens Axboe <axboe@kernel.dk>
Subject: Re: [BUG] do_IRQ: 7.33 No irq handler for vector
Date: Fri, 19 Jan 2018 16:24:31 +0100 (CET) [thread overview]
Message-ID: <alpine.DEB.2.20.1801191621200.2181@nanos> (raw)
In-Reply-To: <67ef24d5-ba2a-7f4b-2c28-fbec5335b174@oracle.com>
On Fri, 19 Jan 2018, jianchao.wang wrote:
> When I did cpu hotplug stress test, I found this log on my machine.
>
> [ 267.161043] do_IRQ: 7.33 No irq handler for vector
>
> I add a dump_stack below the bug and get following log:
Well, that's pretty uninteresting. What's interesting is which CPU got
unplugged.
> The vector 33 here is used by a NVMe card.
CC'ed NVME folks
Thanks,
tglx
prev parent reply other threads:[~2018-01-19 15:24 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-19 14:21 jianchao.wang
2018-01-19 15:24 ` Thomas Gleixner [this message]
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