2.6.30-rc4: xfs_fsr hangs

[Alexander Beregalov]

2009/5/2 Heinz Diehl <htd at fancy-poultry.org>:
> On 01.05.2009, Alexander Beregalov wrote:
>
>> # xfs_db -r /dev/sdc1
>> xfs_db> frag
>> actual 23805, ideal 22890, fragmentation factor 3.84%
>> # xfs_fsr -v /dev/sdc1
>> /mnt/c start inode=0
>> ino=158
>> extents before:3 after:1 DONE ino=158
>>
>>  then it hangs
>
> I can't confirm this here on my systems:
>
> liesel:~ # uname -a
> Linux liesel 2.6.30-rc4 #1 SMP PREEMPT Sat May 2 11:49:13 CEST 2009 x86_64 x86_64 x86_64 GNU/Linux

I have this problem on two x86_32 hosts.
It runs for about a minute and then hangs.
vmstat 1:
 0  1     80  30856  12284 1289452    0    0 16384 16380  224  301  0  5  0 95
 0  1     80  32020  12196 1287884    0    0 25984 16380  290  470  0 11  0 89
 0  1     80  30732  12132 1289648    0    0 23168 32760  286  413  0  6  0 94
 0  1     80  32220  12128 1287620    0    0 16384 16380  220  303  0  8  0 92
 1  0     80 198312  12108 1137956    0    0 14472 14628  223  284  0 10  3 87
 0  0     80 1118144  12108 218216    0    0     0     0   63   33  0 38 62  0
 0  0     80 1118144  12108 218216    0    0     0     0   24   26  0  0 100  0
 0  0     80 1118144  12108 218216    0    0     0     0   36   28  0  1 99  0
 0  0     80 1118144  12108 218216    0    0     0     0   36   32  1  1 98  0
 0  0     80 1118144  12108 218216    0    0     0     0   78   66  0  1 99  0