On Thu, 2007-09-06 at 16:23 +0800, Herbert Xu wrote: > On Thu, Sep 06, 2007 at 10:32:33AM +0530, Satyam Sharma wrote: > > > > > > [ 382.529041] [<c02c8abc>] dev_close+0x24/0x67 > > > > [ 382.529052] [<e01f402b>] ieee80211_master_stop+0x4a/0x6d [mac80211] > > This is where the bug is. You cannot call dev_close from an > atomic context as i33380211_master_stop does it within spin > locks. Oh btw. Can we stick a might_sleep() into dev_close() *before* the test whether the device is up? That way, we'd have seen the bug, but apparently nobody before Florian ever did a 'ip link set wmaster0 down' while the other interfaces were still open. johannes
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