On Tuesday 24 April 2007 14:09, Andy Green wrote:
> =============================================
> [ INFO: possible recursive locking detected ]
> 2.6.21-rc7 #11
> ---------------------------------------------
> ip/2600 is trying to acquire lock:
> (&dev->_xmit_lock){-+..}, at: [<e09199c5>]
> ieee80211_set_multicast_list+0x46/0x167 [mac80211]
>
> but task is already holding lock:
> (&dev->_xmit_lock){-+..}, at: [<c05abc05>] dev_mc_upload+0x14/0x3c
>
This is fine, though it would be nice if we can shut the warning off. Virtual
interfaces can try to take the xmit lock of the master device, but the master
device will never try to take the xmit lock of the virtual interfaces and
especially not while holding its own xmit lock.
-Michael Wu
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