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SubjectRe: 2.6.18-rc3-git3 - XFS - BUG: unable to handle kernel NULL pointer dereference at virtual address 00000078
On Fri, Aug 04, 2006 at 10:22:21AM +0200, Jesper Juhl wrote:
> I just hit a BUG that looks XFS related.
>
> The machine is running 2.6.18-rc3-git3
>
> (more info below the BUG messages)
>

Thanks for reporting, Jesper - is it reproducible? Could you try this
patch for me? We had a couple of other reports of this, but the earlier
reporters have vanished ... could you let me know if this helps?

cheers.

--
Nathan

--- fs/xfs/xfs_alloc.c.orig 2006-08-04 20:00:34.333456250 +1000
+++ fs/xfs/xfs_alloc.c 2006-08-04 20:00:50.586472000 +1000
@@ -1949,14 +1949,8 @@ xfs_alloc_fix_freelist(
* the restrictions correctly. Can happen for free calls
* on a completely full ag.
*/
- if (targs.agbno == NULLAGBLOCK) {
- if (!(flags & XFS_ALLOC_FLAG_FREEING)) {
- xfs_trans_brelse(tp, agflbp);
- args->agbp = NULL;
- return 0;
- }
+ if (targs.agbno == NULLAGBLOCK)
break;
- }
/*
* Put each allocated block on the list.
*/
-
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