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SubjectRe: [Bug 9483] circular locking dependency detected

* Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> wrote:

> =======================================================
> [ INFO: possible circular locking dependency detected ]
> 2.6.24-rc3 #6
> -------------------------------------------------------
> bash/2294 is trying to acquire lock:
> (&journal->j_list_lock){--..}, at: [<c01eee2f>] journal_try_to_free_buffers+0x76/0x10c
>
> but task is already holding lock:
> (inode_lock){--..}, at: [<c01864b6>] drop_pagecache+0x48/0xd8
>
> which lock already depends on the new lock.

Andrew, drop_pagecache() is root-only and it has some known deadlock,
right?

Ingo


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