Re: mq: INFO: possible circular locking dependency detected

[Al Viro]

On Tue, Aug 07, 2012 at 01:04:12PM +0800, Fengguang Wu wrote:

> FYI, here is a different back trace on that commit.
> 
> [    3.255043] ======================================================
> [    3.255052] [ INFO: possible circular locking dependency detected ]
> [    3.255052] 3.5.0-rc6-bisect-00355-geb04c28 #4 Not tainted         
> [    3.255052] -------------------------------------------------------
> [    3.255052] init/1 is trying to acquire lock:
> [    3.255052]  (&mm->mmap_sem){++++++}, at: [<ffffffff81180d00>] might_fault+0x70/0xe0
> [    3.255052]
> [    3.255052] but task is already holding lock:
> [    3.255052]  (&sb->s_type->i_mutex_key){+.+.+.}, at: [<ffffffff811d191e>] vfs_readdir+0x6e/0x130

Do you see any similar with the _next_ commit?
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