linux-kernel - [lkp] [btrfs] dd67766b20: stderr.mount:wrong_fs_type,bad_option,bad_superblock

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Message-ID: <20160801061944.GG13068@yexl-desktop>
Date:	Mon, 1 Aug 2016 14:19:44 +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]  dd67766b20:
 stderr.mount:wrong_fs_type,bad_option,bad_superblock_on/dev/ram0


FYI, we noticed the following commit:

https://github.com/0day-ci/linux Sanidhya-Solanki/btrfs-Change-RAID-stripesize-to-a-user-configurable-option/20160725-134003
commit dd67766b2044b85e4ac9a52dfafec3bd792b97a2 ("btrfs: Change RAID stripesize to a user-configurable option")

in testcase: fsmark
with following parameters: cpufreq_governor=performance/disk=1BRD_48G/filesize=4M/fs2=nfsv4/fs=btrfs/iterations=1x/nr_threads=64t/sync_method=fsyncBeforeClose/test_size=40G

on test machine: 48 threads Ivytown Ivy Bridge-EP with 64G memory

caused below changes:


[   33.862646] 2016-07-29 01:53:54 mkfs -t btrfs /dev/ram0
[   33.953449] BTRFS: device fsid 90c0962e-6907-440a-9816-019d4307929f devid 1 transid 3 /dev/ram0
[   33.964257] Btrfs v3.17
[   33.967395] See http://btrfs.wiki.kernel.org for more information.
[   33.967932] BTRFS info (device ram0): disk space caching is enabled
[   33.967933] BTRFS info (device ram0): flagging fs with big metadata feature
[   33.969096] BTRFS error (device ram0): invalid chunk stripe length: 65536
[   33.969099] BTRFS error (device ram0): failed to read the system array: -5

[   34.004248] 
[   34.006145] 
[   34.009159] Turning ON incompat feature 'extref': increased hardlink limit per file to 65536
[   34.019625] fs created label (null) on /dev/ram0
[   34.025963]  nodesize 16384 leafsize 16384 sectorsize 4096 size 48.00GiB
[   34.034579] 2016-07-29 01:53:54 mount -t btrfs /dev/ram0 /fs/ram0
[   34.043027] BTRFS: open_ctree failed
[   34.049168] mount: wrong fs type, bad option, bad superblock on /dev/ram0,
[   34.054341] kernel profiling enabled schedstats, disable via kernel.sched_schedstats.

[   34.067273] 
[   34.071255]        missing codepage or helper program, or other error
[   34.079304] 
[   34.082234]        In some cases useful info is found in syslog - try
[   34.090470]        dmesg | tail or so.
[   34.097005] ipmi device interface
[   35.071693] wait for background monitors: oom-killer nfs-hang softirqs diskstats sched_debug proc-vmstat meminfo numa-vmstat interrupts numa-meminfo cpuidle proc-stat numa-numastat slabinfo turbostat latency_stats perf-stat perf-profile
[   36.106735] Error:






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-gdd67766" of type "text/plain" (150960 bytes)

Download attachment "dmesg.xz" of type "application/octet-stream" (22632 bytes)

View attachment "job.yaml" of type "text/plain" (4341 bytes)

View attachment "reproduce" of type "text/plain" (186 bytes)