[CentOS-devel] XFS module ... big troubles

[Johnny Hughes]

On Wed, 2007-04-25 at 22:39 +0200, Gernot Stocker wrote:
> Hi CentOS-dev team, 
> 
> On Tuesday 24 April 2007, Gernot Stocker wrote:
> [...]
> > > I don't use xfs that extensively on i686 hardware because I don't
> > > trust the 4k stack limitation issue, but a quick run-through with the
> > > pre-built modules, and I don't seem to have this issue.  (moved a
> > > bunch of copies of the centos-5 dvd around, on and off the fs,
> > > md5suming each time)
> 
> 1.) I unloaded the xfs modules, removed the selfcompiled xfs- module rpm and 
> installed the binary package from devs.centos.org.  It was loaded with:
> 
> Apr 25 21:15:30 sz-linux02 kernel: SGI XFS with ACLs, security attributes, realtime, large block numbers, no debug enabled
> Apr 25 21:16:46 sz-linux02 kernel: SGI XFS Quota Management subsystem
> 
> 2.) I created with "mkfs.xfs /dev/md10" a new filesystem on the softraid mirror and mounted it
>  
> Apr 25 21:16:46 sz-linux02 kernel: Filesystem "md10": Disabling barriers, not supported by the underlying device
> Apr 25 21:16:46 sz-linux02 kernel: XFS mounting filesystem md10
> Apr 25 21:16:46 sz-linux02 kernel: SELinux: initialized (dev md10, type xfs), uses xattr
> 
> 3.) I'm able to reproduce the same behaviour of corrupted XFS filesystem as I got 
> with my self compiled package by just copying bigger files onto the xfs volume. The 
> copyied  files are corrupted (the md5sum gives a different result) and hava size between 
> 10 MB and 3 GB. Finally "xfs_logprint /dev/md0" results in:
> 
> >Bad log record header
> >xfs_logprint:
> >    data device: 0x90a
> >    log device: 0x90a daddr: 57062816 length: 55720
> >
> > Header 0x4 wanted 0xfeedbabe
> > **********************************************************************
> >* ERROR: header cycle=4           block=45454                        *
> >**********************************************************************

For a test, can you try it without using the MD device.

Is this on an i386 or x86_64 distro.


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