Messages in this thread | | | Date | Mon, 19 Sep 2022 12:48:23 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH v2] lockdep: report name and key when look_up_lock_class() got confused |
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On Mon, Sep 19, 2022 at 09:52:13AM +0900, Tetsuo Handa wrote: > Printing this information will be helpful. > > ------------[ cut here ]------------ > Looking for class "l2tp_sock" with key l2tp_socket_class, but found a different class "slock-AF_INET6" with the same key > WARNING: CPU: 1 PID: 14195 at kernel/locking/lockdep.c:940 look_up_lock_class+0xcc/0x140 > Modules linked in: > CPU: 1 PID: 14195 Comm: a.out Not tainted 6.0.0-rc6-dirty #863 > Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006 > RIP: 0010:look_up_lock_class+0xcc/0x140 > > Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Urgh, you hitting that WARN enough times to want to improve it seems to suggest your machine is quite sick.
Anyway, patch is ok I suppose.
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