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Re: Updated xfsprogs 2.6.38 merge

To: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Subject: Re: Updated xfsprogs 2.6.38 merge
From: Dave Chinner <david@xxxxxxxxxxxxx>
Date: Mon, 11 Jul 2011 10:01:35 +1000
Cc: xfs@xxxxxxxxxxx
In-reply-to: <20110710210113.GA14527@xxxxxxxxxxxxx>
References: <20110705024855.GA561@dastard> <20110710210113.GA14527@xxxxxxxxxxxxx>
User-agent: Mutt/1.5.20 (2009-06-14)
On Sun, Jul 10, 2011 at 05:01:13PM -0400, Christoph Hellwig wrote:
> On Tue, Jul 05, 2011 at 12:48:55PM +1000, Dave Chinner wrote:
> > Folks,
> > 
> > I pushed out an updated 2.6.38 kernel merge to xfsprogs patchset a
> > couple of days ago. I've been doing quite a bit of testing on it,
> > both 32 bit and 64 bit, with 512 byte, 1k and 4k block size
> > filesystems and I haven't come across any regressions. The patchset
> > can be found here:
> > 
> >   git://git.kernel.org/pub/scm/fs/xfs/xfsprogs-dev kernel-2.6.38-sync
> > 
> > It's pretty much unchanged from the last set of patches I sent,
> > except for one minor fix to the radix tree code for an off by one in
> > the path array size for item and tag deletes.
> > 
> > I'm pretty much ready to commit this update so I can then move
> > forward with updating it to the 3.0 kernel code base as a smaller
> > incremental series.
> 
> It's still missing the fix for the xfs_imap.h removal I pointed out last
> round:
> 
> Index: xfsprogs-dev/include/Makefile
> ===================================================================
> --- xfsprogs-dev.orig/include/Makefile        2011-07-10 20:51:24.000000000 
> +0000
> +++ xfsprogs-dev/include/Makefile     2011-07-10 20:51:31.000000000 +0000
> @@ -27,7 +27,7 @@ QAHFILES = libxfs.h libxlog.h \
>       xfs_dir2.h xfs_dir2_block.h xfs_dir2_data.h xfs_dir2_leaf.h \
>       xfs_dir2_node.h xfs_dir2_sf.h xfs_dir_leaf.h xfs_dir_sf.h \
>       xfs_extfree_item.h xfs_ialloc.h xfs_ialloc_btree.h \
> -     xfs_imap.h xfs_inode.h xfs_inode_item.h xfs_inum.h \
> +     xfs_inode.h xfs_inode_item.h xfs_inum.h \
>       xfs_log.h xfs_log_priv.h xfs_log_recover.h xfs_metadump.h \
>       xfs_mount.h xfs_quota.h xfs_rtalloc.h xfs_sb.h xfs_trace.h \
>       xfs_trans.h xfs_trans_space.h xfs_types.h xfs_dfrag.h

Strangely enough I don't see that failure. Fixed, anyway.

> But even after that a simple mkfs crashed for me on 32-bit x86.  Here is
> the gdb backtrace:
> 
> Program received signal SIGSEGV, Segmentation fault.
> 0x0805736b in tag_get (root=0xffffda5c, index=0) at radix-tree.c:82
> 82            return 1 & (((const __uint32_t *)node->tags[tag])[offset >> 5] 
> >> (offset & 31));
> (gdb) bt
> #0  0x0805736b in tag_get (root=0xffffda5c, index=0) at radix-tree.c:82
> #1  radix_tree_delete (root=0xffffda5c, index=0) at radix-tree.c:726
> #2  0x08054ee7 in libxfs_umount (mp=0xffffd8f8) at init.c:822
> #3  0x0805277c in main (argc=3, argv=0xffffdd94) at xfs_mkfs.c:2683

What size block device? It's not failing here...

Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx

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