Re: PROBLEM: XFS on ARM corruption 'Structure needs cleaning'

From: Eric Sandeen <sandeen@sandeen.net>
To: "Brian Foster" <bfoster@redhat.com>, "Török Edwin" <edwin@skylable.com>
Cc: Christopher Squires <christopher.squires@hgst.com>,
	Karanvir Singh <karanvir.singh@hgst.com>,
	Wayne Burri <wayne.burri@hgst.com>,
	Luca Gibelli <luca@skylable.com>,
	xfs@oss.sgi.com
Subject: Re: PROBLEM: XFS on ARM corruption 'Structure needs cleaning'
Date: Fri, 12 Jun 2015 15:19:41 -0500	[thread overview]
Message-ID: <557B3EDD.3030502@sandeen.net> (raw)
In-Reply-To: <20150612135404.GC60661@bfoster.bfoster>

On 6/12/15 8:54 AM, Brian Foster wrote:

>>> I managed to get an updated kernel on a beaglebone I had sitting around,
>>> but I don't reproduce any errors with the "corrupted" image (I think
>>> we've established that the image is fine on-disk and something is going
>>> awry at runtime):
>>>
>>> root@beaglebone:~# uname -a
>>> Linux beaglebone 3.14.1+ #5 SMP Thu Jun 11 20:58:02 EDT 2015 armv7l GNU/Linux
>>> root@beaglebone:~# mount ./xfs2.test.corrupted /mnt/
>>> root@beaglebone:~# ls -al /mnt/a/
>>> total 12
>>> drwxr-xr-x 3 root root   14 Jun 11 16:11 .
>>> drwxr-xr-x 3 root root   14 Jun 11 16:11 ..
>>> drwxr-x--- 2 root root 8192 Jun 11 16:11 b
>>> root@beaglebone:~# ls -al /mnt/a/b/
>>> total 17996
>>> drwxr-x--- 2 root root    8192 Jun 11 16:11 .
>>> drwxr-xr-x 3 root root      14 Jun 11 16:11 ..
>>> -rw-r--r-- 1 root root   12288 Jun 11 16:11 events.db
>>> -rw-r--r-- 1 root root   15360 Jun 11 16:11 f00000000.db
>>> -rw-r--r-- 1 root root   15360 Jun 11 16:11 f00000001.db
>>> -rw-r--r-- 1 root root   15360 Jun 11 16:11 f00000002.db
>>> -rw-r--r-- 1 root root   15360 Jun 11 16:11 f00000003.db
>>> ...
>>> root@beaglebone:~#
>>>
>>> I echo Dave's suggestion down thread with regard to toolchain. This
>>> kernel was compiled with the following cross-gcc (installed via Fedora
>>> package):
>>>
>>> 	gcc version 4.9.2 20150212 (Red Hat Cross 4.9.2-5) (GCC) 
>>>
>>> Are you using something different?
>>
>> /proc/version says:
>>
>> Linux version 3.14.3-00088-g7651c68 (jenkins@boulder-jenkins) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #24 Thu Apr 9 16:13:46 MDT 2015
>>
>> I'll get back to you when I have a new kernel running.
>>
> 
> Ok. FWIW, I just tried rebuilding with the following 4.6.3 toolchain:
> 
> https://www.kernel.org/pub/tools/crosstool/files/bin/x86_64/4.6.3/x86_64-gcc-4.6.3-nolibc_arm-unknown-linux-gnueabi.tar.xz
> 
> ... and still didn't reproduce any errors. Of course, this probably
> doesn't have whatever patches and whatnot might be included in the
> distro 4.6.3 toolchain. It could be worth a try depending on what
> happens with a newer kernel, though.

FWIW, I tried mounting the corrupted image and running the ls on
Fedora 22, kernel 4.0.4-303.fc22.armv7hl, gcc version 5.1.1, and had no
problems there either.

-Eric

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