* Fengguang Wu | 2013-03-05 18:35:13 [+0800]:
>Note that I still get this warning, however looks like an unrelated
>issue:
>
>[ 602.536679] [ INFO: possible circular locking dependency detected ]
>[ 602.536672]
>[ 602.536679] ======================================================
>[ 602.536679] [ INFO: possible circular locking dependency detected ]
>[ 602.536693] 3.8.0-bisect-next-20130301-dirty #212 Not tainted
>[ 602.536694] -------------------------------------------------------
>[ 602.536698] kworker/0:1/27 is trying to acquire lock:
>[ 602.536750] (&fb_info->lock){+.+.+.}, at: [<ffffffff814c0176>] lock_fb_info+0x26/0x60
>[ 602.536751]
>[ 602.536751] but task is already holding lock:
>[ 602.536773] (console_lock){+.+.+.}, at: [<ffffffff815a6a13>] console_callback+0x13/0x150
>[ 602.536774]
>[ 602.536774] which lock already depends on the new lock.
This does not look good but it does not like USB. It looks more like the
tty/fb area.
>Thanks,
>Fengguang
Sebastian
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