[Lustre-discuss] More detail regarding soft lockup error

[Andreas Dilger]

On 2010-08-18, at 4:14, Fourie Joubert <fourie.joubert at up.ac.za> wrote:
> Just reporting some more detail about the soft lockup error I have been 
> getting:
> 
> I am running Lustre 1.8.1, kernels are from the Lustre distro.

Firstly, there is a known corruption bug in 1.8.1, you should ar minimum upgrade to 1.8.1.1, but it may be that this problem is fixed in a newer release. 


> Aug 18 12:14:11 wonkofs kernel:  [<ffffffff88b7007f>] :ldiskfs:ldiskfs_get_group_desc+0x3b/0xb0
> Aug 18 12:14:11 wonkofs kernel:  [<ffffffff88b7007f>] 
> :ldiskfs:ldiskfs_find_reverse+0x2f/0xa0
> Aug 18 12:14:11 wonkofs kernel:  [<ffffffff88b78f26>] 
> :ldiskfs:ldiskfs_new_inode_wantedi+0x46/0x80

This is getting stuck looking for a free inode. Is there free space in the MDT filesystem? Have you run a full e2fsck?

I do recall some changes is this code a while ago, but I don't recall what version it was in offhand. 

Cheers, Andreas