Re: XFS internal error xfs_trans_cancel at line 1150 of file fs/xfs/xfs_trans.c

[David Chinner <dgc@sgi.com>]

On Tue, Mar 11, 2008 at 12:19:29PM +0100, Christian Røsnes wrote:
> On Tue, Mar 11, 2008 at 10:34 AM, David Chinner <dgc@sgi.com> wrote:
> >
> > On Tue, Mar 11, 2008 at 09:08:31AM +0100, Christian Røsnes wrote:
> 
> >  > I'll try to add some printk statements to the codepaths you mentioned,
> >  > and see where it leads.
> >
> >  Definitely worth confirming this is where the error is coming from.
> >
> 
> 	if (tagno == agno) {
> 			printk("XFS: xfs_dialloc:0021\n");
> 			*inop = NULLFSINO;
> 			return noroom ? ENOSPC : 0;
> 		}
> 
> seems to be what triggers this inside xfs_dialloc.
> 
> Here a trace which give some indication to the codepath taken inside
> xfs_dialloc (xfs_ialloc.c):

Yup, that's trying to allocate in each AG and failing. Almost certainly
the problem is the described alignment issue.

FYI, I'm travelling tomorrow so I won't really get a chance to look
at this more until thursday....

Cheers,

Dave.
-- 
Dave Chinner
Principal Engineer
SGI Australian Software Group