From: Anand Jain <Anand.Jain@oracle.com>
To: linux-btrfs <linux-btrfs@vger.kernel.org>
Subject: [bug] balance BUG at fs/btrfs/relocation.c:886
Date: Wed, 31 Jul 2013 17:53:29 +0800 [thread overview]
Message-ID: <51F8DE99.6060704@oracle.com> (raw)
3.11.0-rc3+
------------------
[ 225.586356] kernel BUG at fs/btrfs/relocation.c:886!
[ 225.586362] invalid opcode: 0000 [#1] SMP
::
[ 225.586431] Call Trace:
[ 225.586440] [<ffffffffa0055cd1>] ?
btree_read_extent_buffer_pages.clone.4+0xd1/0x120 [btrfs]
[ 225.586447] [<ffffffffa00a9123>] relocate_tree_blocks+0x363/0x6d0
[btrfs]
[ 225.586454] [<ffffffffa00a242c>] ? tree_insert+0x4c/0x60 [btrfs]
[ 225.586461] [<ffffffffa00a97b3>] relocate_block_group+0x323/0x640
[btrfs]
[ 225.586469] [<ffffffffa00aa14f>]
btrfs_relocate_block_group+0x19f/0x2c0 [btrfs]
[ 225.586477] [<ffffffffa0081768>] btrfs_relocate_chunk+0x88/0x770 [btrfs]
[ 225.586485] [<ffffffffa0076211>] ? read_extent_buffer+0xb1/0x110 [btrfs]
[ 225.586493] [<ffffffffa00724bf>] ? btrfs_get_token_64+0x5f/0xf0 [btrfs]
[ 225.586500] [<ffffffffa0082c51>] btrfs_balance+0x891/0xe40 [btrfs]
[ 225.586508] [<ffffffffa008c3ff>] ? kzalloc+0xf/0x20 [btrfs]
[ 225.586552] [<ffffffff8113d445>] ? __kmalloc+0xf5/0x170
[ 225.586560] [<ffffffffa008cfca>] btrfs_ioctl_balance+0x21a/0x330 [btrfs]
[ 225.586568] [<ffffffffa008fd95>] btrfs_ioctl+0x585/0x1660 [btrfs]
[ 225.586575] [<ffffffff8111d9eb>] ? handle_mm_fault+0x12b/0x230
[ 225.586590] [<ffffffff811556d4>] do_vfs_ioctl+0x84/0x4c0
[ 225.586616] [<ffffffff812867cd>] ? inode_has_perm.clone.0+0x2d/0x30
[ 225.586618] [<ffffffff8128891a>] ? file_has_perm+0x8a/0xa0
[ 225.586625] [<ffffffff8114ec71>] ? final_putname+0x21/0x50
[ 225.586627] [<ffffffff81155ba1>] SyS_ioctl+0x91/0xa0
[ 225.586670] [<ffffffff8181fed2>] system_call_fastpath+0x16/0x1b
-------------------
if (btrfs_root_level(&root->root_item) == cur->level) {
/* tree root */
BUG_ON(btrfs_root_bytenr(&root->root_item) !=
cur->bytenr);
if (should_ignore_root(root))
list_add(&cur->list, &useless);
else
cur->root = root;
break;
}
reproducer:
---------------------
# mkfs.btrfs /dev/sdb -f
# btrfsck --init-csum /dev/sdb
Creating a new CRC tree
Checking filesystem on /dev/sdb
UUID: 51576f7d-af1d-458b-b3c5-02eda4b3c39f
checking extents
Reinit crc root
found 0 bytes used err is 0
total csum bytes: 0
total tree bytes: 0
total fs tree bytes: 0
total extent tree bytes: 0
btree space waste bytes: 0
file data blocks allocated: 0
referenced 0
Btrfs v0.20-rc1-413-g3f4deb0-dirty
# mount /dev/sdb /btrfs
# btrfs fi bal /btrfs
Segmentation fault
#
---------------------
Any idea how do we fix this ?
( other than don't run --init-csum :-) )
next reply other threads:[~2013-07-31 9:47 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-31 9:53 Anand Jain [this message]
2013-07-31 10:00 ` [bug] balance BUG at fs/btrfs/relocation.c:886 Liu Bo
2013-07-31 10:02 ` Liu Bo
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=51F8DE99.6060704@oracle.com \
--to=anand.jain@oracle.com \
--cc=linux-btrfs@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.