linux-kernel - [lkp] [btrfs] 8358a8ac7d: stderr.mount:wrong_fs_type,bad_option,bad_superblock

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Message-ID: <20160725055904.GA21454@yexl-desktop>
Date:	Mon, 25 Jul 2016 13:59:04 +0800
From:	kernel test robot <xiaolong.ye@...el.com>
To:	Sanidhya Solanki <lkml.page@...il.com>
Cc:	0day robot <fengguang.wu@...el.com>,
	LKML <linux-kernel@...r.kernel.org>, lkp@...org
Subject: [lkp] [btrfs]  8358a8ac7d:
 stderr.mount:wrong_fs_type,bad_option,bad_superblock_on/dev/nvme0n1p1

FYI, we noticed the following commit:

https://github.com/0day-ci/linux Sanidhya-Solanki/btrfs-Change-RAID-stripesize-to-a-user-configurable-option/20160722-215913
commit 8358a8ac7d36a4aed893ae521fbb8f40093db0ee ("btrfs: Change RAID stripesize to a user-configurable option")

in testcase: fio-basic
with following parameters: bs=4k/cpufreq_governor=performance/disk=1SSD/fs=btrfs/ioengine=sync/nr_task=8/runtime=300s/rw=write/test_size=512g

on test machine: 88 threads Broadwell-EP with 128G memory

caused below changes:

user  :notice: [   35.877154] 2016-07-23 18:49:10 mkfs -t btrfs /dev/nvme0n1p1
kern  :info  : [   39.571695] BTRFS: device fsid c0a1f036-6eca-401a-92d3-c239ec45db46 devid 1 transid 3 /dev/nvme0n1p1
user  :notice: [   39.583821] Detected a SSD, turning off metadata duplication.  Mkfs with -m dup if you want to force metadata duplication.
user  :notice: [   39.596309] Btrfs v3.17
user  :notice: [   39.599121] See http://btrfs.wiki.kernel.org for more information.
kern  :info  : [   39.599802] BTRFS info (device nvme0n1p1): disk space caching is enabled
kern  :info  : [   39.599804] BTRFS info (device nvme0n1p1): flagging fs with big metadata feature
kern  :err   : [   39.601946] BTRFS error (device nvme0n1p1): invalid chunk stripe length: 65536
kern  :err   : [   39.601950] BTRFS error (device nvme0n1p1): failed to read the system array: -5

user  :notice: [   39.641614] Turning ON incompat feature 'extref': increased hardlink limit per file to 65536
user  :notice: [   39.651123] fs created label (null) on /dev/nvme0n1p1
user  :notice: [   39.656828]   nodesize 16384 leafsize 16384 sectorsize 4096 size 745.21GiB
user  :notice: [   39.664477] 2016-07-23 18:49:14 mount -t btrfs /dev/nvme0n1p1 /fs/nvme0n1p1
kern  :err   : [   39.678837] BTRFS: open_ctree failed
user  :err   : [   39.683112] mount: wrong fs type, bad option, bad superblock on /dev/nvme0n1p1,
kern  :info  : [   39.688373] kernel profiling enabled schedstats, disable via kernel.sched_schedstats.

user  :err   : [   39.701948]        missing codepage or helper program, or other error

user  :err   : [   39.710915]        In some cases useful info is found in syslog - try
user  :err   : [   39.719921]        dmesg | tail or so.
kern  :info  : [   39.770175] ipmi device interface

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-4.7.0-rc6-00022-g8358a8ac" of type "text/plain" (150960 bytes)

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