XFS mount failuer on RAID5

[Eric Sandeen]

Eric Sandeen wrote:
> hank peng wrote:
>> Hi, all:
>> I have a self-built board, cpu is MPC8548(PPC arch), kernel is based
>> on MPC8548CDS demo board, version is 2.6.23.
>> A SATA controller is conected to CPU via PCIX, and I have 3 disks
>> attached to it.
>>
> ...
> 
>> root at Storage:~# mkfs.xfs -f -ssize=4k /dev/vg/lvtest
>> Warning - device mapper device, but no dmsetup(8) found
>> Warning - device mapper device, but no dmsetup(8) found
>> meta-data=/dev/vg/lvtest         isize=256    agcount=4, 
>> agsize=6553600 blks
>>          =                       sectsz=4096  attr=2
>> data     =                       bsize=4096   blocks=26214400, imaxpct=25
>>          =                       sunit=0      swidth=0 blks
>> naming   =version 2              bsize=4096
>> log      =internal log           bsize=4096   blocks=12800, version=2
>>          =                       sectsz=4096  sunit=1 blks, lazy-count=0
>> realtime =none                   extsz=4096   blocks=0, rtextents=0
>> root at Storage:~# mkdir tmp
>> root at Storage:~# mount -t xfs /dev/vg/lvtest ./tmp/
>> Filesystem "dm-0": Disabling barriers, not supported by the underlying 
>> device
>> XFS mounting filesystem dm-0
>> XFS: totally zeroed log
>> Filesystem "dm-0": XFS internal error xlog_clear_stale_blocks(2) at
>> line 1252 of file fs/xfs/xfs_log_recover.c.  Caller 0xc018ec88
> 
> 
> Can you try the patch that Andy Poling posted to the list just 
> yesterday?  Slight longshot but it may be it.
> 
> Otherwise I will look at this in a bit; on the road today though.
> 
> -Eric

Actually you might try a newer xfsprogs and/or kernel; if I do this on a 
loopback file, creating the same geometry as you have:

mkfs.xfs -dfile,name=fsfile,size=2621440b -lsize=12800b,lazy-count=0 
-ssize=4096

it mounts fine w/ latest xfsprogs and a 2.6.30 kernel.

-Eric