http://oss.sgi.com/bugzilla/show_bug.cgi?id=791
------- Additional Comments From glaucon.hunn@xxxxxxxxx 2008-09-26 13:13 CST
-------
Ok here is something interesting:
mkfs.ext3 /dev/sdd1
mount /dev/sdd1 /mnt/bak
cd bak && rsync -aP /mnt/bad_xfs/ .
(killed after it copied over 110G, no strange errors)
mkfs.xfs /dev/sdd1
mount /dev/sdd1 /mnt/bak
cd bak && rsync -aP /mnt/bad_xfs/
almost immediately I get lots of oopses (see below)
just for fun Im going to try with CONFIG_XFS_DEBUG=y (still 2.6.27-rc7 btw, but
this breaks on 2.6.26-5 as well)
[ 9574.544727] Filesystem "sdd1": XFS internal error xfs_btree_check_sblock at
line 307 of file fs/xfs/xfs_btree.c. Caller 0xc02345bf
[ 9574.544819] Pid: 7050, comm: rsync Not tainted 2.6.27-rc7-dirty #3
[ 9574.544824] [<c024e6ab>] xfs_btree_check_sblock+0x5b/0xe0
[ 9574.544835] [<c02345bf>] xfs_alloc_lookup+0x16f/0x430
[ 9574.544842] [<c02345bf>] xfs_alloc_lookup+0x16f/0x430
[ 9574.544846] [<c02883ca>] kmem_zone_zalloc+0x2a/0x60
[ 9574.544853] [<c0231e8d>] xfs_alloc_ag_vextent_near+0x5d/0xa10
[ 9574.544857] [<c014ce46>] find_or_create_page+0x26/0x90
[ 9574.544864] [<c028bcef>] _xfs_buf_lookup_pages+0x22f/0x300
[ 9574.544870] [<c023290f>] xfs_alloc_ag_vextent+0xcf/0x120
[ 9574.544874] [<c023327a>] xfs_alloc_vextent+0x36a/0x4f0
[ 9574.544877] [<c02609f6>] xfs_ialloc_ag_alloc+0x666/0x7c0
[ 9574.544885] [<c0280440>] xfs_trans_read_buf+0x2d0/0x340
[ 9574.544890] [<c02b6d07>] _atomic_dec_and_lock+0x47/0x60
[ 9574.544895] [<c0260c1a>] xfs_dialloc+0xca/0x9f0
[ 9574.544900] [<c026983a>] xfs_ialloc+0x6a/0x650
[ 9574.544904] [<c0272010>] xlog_grant_push_ail+0x40/0x130
[ 9574.544909] [<c02814b9>] xfs_dir_ialloc+0x89/0x2d0
[ 9574.544913] [<c027f064>] xfs_trans_reserve+0x84/0x220
[ 9574.544917] [<c0284bfe>] xfs_mkdir+0x39e/0x490
[ 9574.544920] [<c017f455>] do_path_lookup+0xa5/0x150
[ 9574.544928] [<c018cfc8>] mntput_no_expire+0x18/0xf0
[ 9574.544937] [<c029018a>] xfs_vn_mknod+0xfa/0x180
[ 9574.544942] [<c0290222>] xfs_vn_mkdir+0x12/0x20
[ 9574.544945] [<c017ddb6>] vfs_mkdir+0xc6/0x110
[ 9574.544948] [<c017fc1a>] sys_mkdirat+0xda/0xf0
[ 9574.544953] [<c01759f2>] vfs_write+0x102/0x140
[ 9574.544957] [<c017fc4f>] sys_mkdir+0x1f/0x30
[ 9574.544960] [<c01030fd>] sysenter_do_call+0x12/0x25
[ 9574.544966] =======================
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