From: Josef Bacik <jbacik@fusionio.com>
To: Miao Xie <miaox@cn.fujitsu.com>
Cc: <linux-btrfs@vger.kernel.org>
Subject: Re: [PATCH 2/3] Btrfs: fix oops caused by the space balance and dead roots
Date: Wed, 25 Sep 2013 10:11:25 -0400 [thread overview]
Message-ID: <20130925141125.GE18681@localhost.localdomain> (raw)
In-Reply-To: <1380116865-23406-2-git-send-email-miaox@cn.fujitsu.com>
On Wed, Sep 25, 2013 at 09:47:44PM +0800, Miao Xie wrote:
> When doing space balance and subvolume destroy at the same time, we met
> the following oops:
>
> kernel BUG at fs/btrfs/relocation.c:2247!
> RIP: 0010: [<ffffffffa04cec16>] prepare_to_merge+0x154/0x1f0 [btrfs]
> Call Trace:
> [<ffffffffa04b5ab7>] relocate_block_group+0x466/0x4e6 [btrfs]
> [<ffffffffa04b5c7a>] btrfs_relocate_block_group+0x143/0x275 [btrfs]
> [<ffffffffa0495c56>] btrfs_relocate_chunk.isra.27+0x5c/0x5a2 [btrfs]
> [<ffffffffa0459871>] ? btrfs_item_key_to_cpu+0x15/0x31 [btrfs]
> [<ffffffffa048b46a>] ? btrfs_get_token_64+0x7e/0xcd [btrfs]
> [<ffffffffa04a3467>] ? btrfs_tree_read_unlock_blocking+0xb2/0xb7 [btrfs]
> [<ffffffffa049907d>] btrfs_balance+0x9c7/0xb6f [btrfs]
> [<ffffffffa049ef84>] btrfs_ioctl_balance+0x234/0x2ac [btrfs]
> [<ffffffffa04a1e8e>] btrfs_ioctl+0xd87/0x1ef9 [btrfs]
> [<ffffffff81122f53>] ? path_openat+0x234/0x4db
> [<ffffffff813c3b78>] ? __do_page_fault+0x31d/0x391
> [<ffffffff810f8ab6>] ? vma_link+0x74/0x94
> [<ffffffff811250f5>] vfs_ioctl+0x1d/0x39
> [<ffffffff811258c8>] do_vfs_ioctl+0x32d/0x3e2
> [<ffffffff811259d4>] SyS_ioctl+0x57/0x83
> [<ffffffff813c3bfa>] ? do_page_fault+0xe/0x10
> [<ffffffff813c73c2>] system_call_fastpath+0x16/0x1b
>
Can you put this into an xfstest please so I can reproduce and verify your patch
fixes the problem? Thanks,
Josef
next prev parent reply other threads:[~2013-09-25 14:11 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-25 13:47 [PATCH 1/3] Btrfs: insert orphan roots into fs radix tree Miao Xie
2013-09-25 13:47 ` [PATCH 2/3] Btrfs: fix oops caused by the space balance and dead roots Miao Xie
2013-09-25 14:11 ` Josef Bacik [this message]
2013-09-26 9:29 ` Miao Xie
2013-09-25 13:47 ` [PATCH 3/3] Btrfs: fix BUG_ON() casued by the reserved space migration Miao Xie
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