Re: FAQ updated (was Re: XFS breakage...)

[Justin Piszcz <jpiszcz@lucidpixels.com>]

On Mon, 31 Jul 2006, Jan Kasprzak wrote:

> Nathan Scott wrote:
> : I've captured the state of this issue here, with options and ways
> : to correct the problem:
> : 	http://oss.sgi.com/projects/xfs/faq.html#dir2
> :
> : Hope this helps.
>
> 	I have been hit with this bug as well - I tried to clear the
> two corrupted directory inodes with xfs_db (as the FAQ entry says), then ran
> xfs_repair (lots of files ended up in lost+found), but apparently
> the volume is still not OK - when I tried to use it (this volume
> is a public FTP archive), I got the following traces:
>
> Jul 30 16:04:49 odysseus kernel: Filesystem "md5": XFS internal error xfs_da_do_buf(2) at line 2212 of file fs/xfs/xfs_da_btree.c.  Caller 0xffffffff80324221
> Jul 30 16:04:49 odysseus kernel:
> Jul 30 16:04:49 odysseus kernel: Call Trace: <ffffffff803331ac>{xfs_corruption_error+228}
> Jul 30 16:04:49 odysseus kernel:        <ffffffff8035630e>{kmem_zone_alloc+86} <ffffffff803240f0>{xfs_da_do_buf+1359}
> Jul 30 16:04:49 odysseus kernel:        <ffffffff80324221>{xfs_da_read_buf+22} <ffffffff80323aba>{xfs_da_buf_make+31}
> Jul 30 16:04:49 odysseus kernel:        <ffffffff80324221>{xfs_da_read_buf+22} <ffffffff803263e7>{xfs_da_node_lookup_int+112}
> Jul 30 16:04:49 odysseus kernel:        <ffffffff803263e7>{xfs_da_node_lookup_int+112} <ffffffff8032c7b8>{xfs_dir2_node_lookup+70}
> Jul 30 16:04:50 odysseus kernel:        <ffffffff80327b35>{xfs_dir2_isleaf+25} <ffffffff803280d6>{xfs_dir2_lookup+256}
> Jul 30 16:04:51 odysseus kernel:        <ffffffff8034dd10>{xfs_dir_lookup_int+55} <ffffffff803511af>{xfs_lookup+79}
> Jul 30 16:04:51 odysseus kernel:        <ffffffff8035c95a>{xfs_vn_lo7b35>{xfs_dir2_isleaf+25} <ffffffff803280d6>{xfs_dir2_lookup+256}
> Jul 30 16:04:52 odysseus kernel:        <ffffffff8034dd10>{xfs_dir_lookup_int+55} <ffffffff803511af>{xfs_lookup+79}
> Jul 30 16:04:53 odysseus kernel:        <ffffffff8035c95a>{xfs_vn_lookup+48} <ffffffff80270b45>{do_lookup+196}
> Jul 30 16:04:53 odysseus rpc.statd[3145]: Caught signal 15, un-registering and exiting.
> Jul 30 16:04:53 odysseus kernel:        <ffffffff802729c6>{__link_path_walk+2435} <ffffffff80272f40>{link_path_walk+89}
> Jul 30 16:04:53 odysseus kernel:        <ffffffff8049c0d2>{__sched_text_start+290} <ffffffff80273396>{do_path_lookup+614}
> Jul 30 16:04:53 odysseus kernel:        <ffffffff80271e47>{getname+347} <ffffffff80273bd6>{__user_walk_fd+55}
> Jul 30 16:04:53 odysseus kernel:        <ffffffff8026cba7>{vfs_lstat_fd+21} <ffffffff8049c0d2>{__sched_text_start+290}
> Jul 30 16:04:53 odysseus kernel:        <ffffffff8026cd92>{sys_newlstat+25} <ffffffff80265023>{vfs_write+283}
> Jul 30 16:04:53 odysseus kernel:        <ffffffff8026554c>{sys_write+69} <ffffffff80209826>{system_call+126}
> Jul 30 16:04:53 odysseus kernel: 0x0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 00 00
>
> 	This is 2.6.17.7 dual x86_64 (Fedora Core 5). It has been unfortunately
> running 2.6.17.1 for some time.
>
> 	I will probably have to recreate the volume and restore its
> contents from backups. Or is there any better solution?
>
> 	Thanks,
>
> -Yenya
>
> --
> | Jan "Yenya" Kasprzak  <kas at {fi.muni.cz - work | yenya.net - private}> |
> | GPG: ID 1024/D3498839      Fingerprint 0D99A7FB206605D7 8B35FCDE05B18A5E |
> | http://www.fi.muni.cz/~kas/    Journal: http://www.fi.muni.cz/~kas/blog/ |
> > I will never go to meetings again because I think  face to face meetings <
> > are the biggest waste of time you can ever have.        --Linus Torvalds <
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If you unmount, xfs_repair -n /dev/md5, what does it show currently?
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