linux-kernel - [lkp] [NVMe] a5229050b6: kmsg.nvme_nvme#:IO_queues_not

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Date:	Wed, 27 Apr 2016 11:04:48 +0800
From:	kernel test robot <xiaolong.ye@...el.com>
To:	Keith Busch <keith.busch@...el.com>
Cc:	Jens Axboe <axboe@...com>, Tim Muhlemmer <muhlemmer@...il.com>,
	Jon Derrick <jonathan.derrick@...el.com>,
	LKML <linux-kernel@...r.kernel.org>, lkp@...org
Subject: [lkp] [NVMe] a5229050b6: kmsg.nvme_nvme#:IO_queues_not_created

FYI, we noticed the following commit:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
commit a5229050b69cfffb690b546c357ca5a60434c0c8 ("NVMe: Always use MSI/MSI-x interrupts")

on test machine: lkp-hsx04: 120 threads Brickland Haswell-EX with 512G memory

caused below changes:


[   54.378195] nvme nvme0: Could not set queue count (6)
[   54.383902] nvme nvme0: IO queues not created


To reproduce:

        git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
        cd lkp-tests
        bin/lkp install job.yaml  # job file is attached in this email
        bin/lkp run     job.yaml



Thanks,
Xiaolong

View attachment "config-4.6.0-rc1-00015-ga522905" of type "text/plain" (146936 bytes)

Download attachment "kmsg.xz" of type "application/octet-stream" (35876 bytes)

View attachment "job.yaml" of type "text/plain" (3476 bytes)

View attachment "reproduce" of type "text/plain" (14236 bytes)