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

To: Török Edwin <edwin@xxxxxxxxxxxx>
Subject: Re: PROBLEM: XFS on ARM corruption 'Structure needs cleaning'
From: Dave Chinner <david@xxxxxxxxxxxxx>
Date: Sat, 13 Jun 2015 08:52:09 +1000
Cc: Brian Foster <bfoster@xxxxxxxxxx>, Karanvir Singh <karanvir.singh@xxxxxxxx>, Christopher Squires <christopher.squires@xxxxxxxx>, Wayne Burri <wayne.burri@xxxxxxxx>, Eric Sandeen <sandeen@xxxxxxxxxxx>, Luca Gibelli <luca@xxxxxxxxxxxx>, xfs@xxxxxxxxxxx
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <557AD4D4.3010901@xxxxxxxxxxxx>
References: <5579296A.8010208@xxxxxxxxxxxx> <20150611151620.GB59168@xxxxxxxxxxxxxxx> <5579A904.3020204@xxxxxxxxxxxx> <5579AE85.5080203@xxxxxxxxxxx> <5579B034.4070503@xxxxxxxxxxx> <5579B804.9050707@xxxxxxxxxxxx> <20150612122108.GB60661@xxxxxxxxxxxxxxx> <557AD4D4.3010901@xxxxxxxxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
On Fri, Jun 12, 2015 at 03:47:16PM +0300, Török Edwin wrote:
> On 06/12/2015 03:21 PM, Brian Foster wrote:
> > 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.

Yup, that's looking like a toolchain bug. Thread about arm directory
read corruption:

http://oss.sgi.com/archives/xfs/2013-02/msg00505.html

cross-gcc version results:

http://oss.sgi.com/archives/xfs/2013-02/msg00563.html

"A quick rundown:
  -cross-gcc4.4:  OK
  -cross-gcc4.5:  OK
  -cross-gcc4.6:  BAD
  -cross-gcc4.7:  BAD
  -cross-gcc4.8:  OK"

Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx

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