Messages in this thread | | | Date | Thu, 6 Jul 2006 16:29:35 -0400 | From | "Dmitry Torokhov" <> | Subject | Re: lockdep input layer warnings. |
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On 7/6/06, Arjan van de Ven <arjan@infradead.org> wrote: > On Thu, 2006-07-06 at 14:37 -0400, Dmitry Torokhov wrote: > > On 7/6/06, Dave Jones <davej@redhat.com> wrote: > > > One of our Fedora-devel users picked up on this this morning > > > in an 18rc1 based kernel. > > > > > > Dave > > > > > > > > > Synaptics Touchpad, model: 1, fw: 5.9, id: 0x2c6ab1, caps: 0x884793/0x0 > > > serio: Synaptics pass-through port at isa0060/serio1/input0 > > > input: SynPS/2 Synaptics TouchPad as /class/input/input1 > > > PM: Adding info for serio:serio2 > > > > > > ============================================= > > > [ INFO: possible recursive locking detected ] > > > --------------------------------------------- > > > > False alarm, there was a lockdep annotating patch for it in -mm. > not so sure; that patch is supposed to be in -rc1 already; investigating >
Well, you are right, the patch is in -rc1 and I see mutex_lock_nested in the backtrace but for some reason it is still not happy. Again, this is with pass-through Synaptics port and we first taking mutex of the child device and then (going through pass-through port) trying to take mutex of the parent.
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