From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave Jones Subject: irda: BUG: looking up invalid subclass: 4294967295 Date: Mon, 10 Feb 2014 16:31:26 -0500 Message-ID: <20140210213126.GA26078@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: netdev@vger.kernel.org To: Peter Zijlstra Return-path: Received: from mx1.redhat.com ([209.132.183.28]:33334 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752291AbaBJVb7 (ORCPT ); Mon, 10 Feb 2014 16:31:59 -0500 Content-Disposition: inline Sender: netdev-owner@vger.kernel.org List-ID: Is this irda being crap, or some weird lockdep corner case ? (no idea what the W taint was, some unrelated spew pushed it out of the dmesg buffer before it got chance to hit the log) Dave BUG: looking up invalid subclass: 4294967295 turning off the locking correctness validator. CPU: 0 PID: 1965 Comm: trinity-main Tainted: G W 3.14.0-rc1+ #108 00000000ffffffff 00000000a8765326 ffff880205ee7c40 ffffffff9872ae0a 00000000ffffffff ffff880205ee7c58 ffffffff9872732c ffff880084069730 ffff880205ee7cd0 ffffffff980c10e2 000000010016000f 00000000ffffffff Call Trace: [] dump_stack+0x4e/0x7a [] look_up_lock_class.part.18+0x2f/0x34 [] __lock_acquire.isra.28+0x722/0xa50 [] ? preempt_count_sub+0x6b/0xf0 [] lock_acquire+0x8d/0x120 [] ? hashbin_delete+0xf2/0x100 [irda] [] ? irias_delete_value+0x30/0x30 [irda] [] _raw_spin_lock_irqsave_nested+0x4c/0x70 [] ? hashbin_delete+0xf2/0x100 [irda] [] hashbin_delete+0xf2/0x100 [irda] [] __irias_delete_object+0x26/0x40 [irda] [] irias_delete_object+0x24/0x30 [irda] [] irda_release+0x65/0x160 [irda] [] sock_release+0x1f/0x80 [] sock_close+0x12/0x20 [] __fput+0xea/0x2c0 [] ____fput+0xe/0x10 [] task_work_run+0xb4/0xe0 [] do_exit+0x2e1/0xb50 [] ? vtime_account_user+0x91/0xa0 [] ? context_tracking_user_exit+0x9b/0x100 [] do_group_exit+0x4c/0xc0 [] SyS_exit_group+0x14/0x20 [] tracesys+0xd4/0xd9