From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Williams Subject: Re: airo: inconsistent {hardirq-on-W} -> {in-hardirq-W} usage. Date: Tue, 08 Aug 2006 07:40:18 -0400 Message-ID: <1155037218.2898.0.camel@localhost.localdomain> References: <20060808094410.GA29313@ee.oulu.fi> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org Return-path: Received: from mx1.redhat.com ([66.187.233.31]:48588 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S964860AbWHHLjC (ORCPT ); Tue, 8 Aug 2006 07:39:02 -0400 To: Pekka Pietikainen In-Reply-To: <20060808094410.GA29313@ee.oulu.fi> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Tue, 2006-08-08 at 12:44 +0300, Pekka Pietikainen wrote: > Only aironet lockdep related report I could find was > http://marc.theaimsgroup.com/?l=linux-netdev&m=115406279721287&w=2 Shouldn't this be fixed by the wireless events patch that was a result of the orinoco lockdep issues that davej posted about last week? Dan > this looks a bit different: > > Linux version 2.6.17-1.2528.fc6 (brewbuilder@hs20-bc2-2.build.redhat.com) (gcc version 4.1.1 20060802 (Red Hat 4.1.1-14)) #1 SMP Sun Aug 6 01:43:42 EDT 2006 > > ================================= > [ INFO: inconsistent lock state ] > --------------------------------- > inconsistent {hardirq-on-W} -> {in-hardirq-W} usage. > swapper/0 [HC1[1]:SC0[0]:HE0:SE1] takes: > (&list->lock){++..}, at: [] skb_queue_tail+0x14/0x32 > {hardirq-on-W} state was registered at: > [] lock_acquire+0x4b/0x6a > [] _spin_lock_bh+0x1e/0x2d > [] udp_poll+0x49/0xce > [] sock_poll+0x12/0x15 > [] do_sys_poll+0x1f7/0x3c3 > [] sys_poll+0x34/0x36 > [] syscall_call+0x7/0xb > irq event stamp: 516288 > hardirqs last enabled at (516287): [] restore_nocheck+0x12/0x15 > hardirqs last disabled at (516288): [] common_interrupt+0x1b/0x2c > softirqs last enabled at (516272): [] __do_softirq+0xec/0xf2 > softirqs last disabled at (516261): [] do_softirq+0x5a/0xbe > > other info that might help us debug this: > no locks held by swapper/0. > > stack backtrace: > [] show_trace_log_lvl+0x58/0x159 > [] show_trace+0xd/0x10 > [] dump_stack+0x19/0x1b > [] print_usage_bug+0x1ca/0x1d7 > [] mark_lock+0x96/0x353 > [] __lock_acquire+0x3b2/0x997 > [] lock_acquire+0x4b/0x6a > [] _spin_lock_irqsave+0x22/0x32 > [] skb_queue_tail+0x14/0x32 > [] netlink_broadcast+0x1bf/0x28e > [] wireless_send_event+0x28b/0x29d > [] airo_send_event+0x6c/0x76 [airo] > [] airo_interrupt+0x210/0xff7 [airo] > [] handle_IRQ_event+0x20/0x4d > [] __do_IRQ+0x94/0xef > [] do_IRQ+0xb9/0xcd > [] common_interrupt+0x25/0x2c > DWARF2 unwinder stuck at common_interrupt+0x25/0x2c > Leftover inexact backtrace: > [] show_trace+0xd/0x10 > [] dump_stack+0x19/0x1b > [] print_usage_bug+0x1ca/0x1d7 > [] mark_lock+0x96/0x353 > [] __lock_acquire+0x3b2/0x997 > [] lock_acquire+0x4b/0x6a > [] _spin_lock_irqsave+0x22/0x32 > [] skb_queue_tail+0x14/0x32 > [] netlink_broadcast+0x1bf/0x28e > [] wireless_send_event+0x28b/0x29d > [] airo_send_event+0x6c/0x76 [airo] > [] airo_interrupt+0x210/0xff7 [airo] > [] handle_IRQ_event+0x20/0x4d > [] __do_IRQ+0x94/0xef > [] do_IRQ+0xb9/0xcd > [] common_interrupt+0x25/0x2c > [] cpu_idle+0xa7/0xc1 > [] rest_init+0x23/0x26 > [] start_kernel+0x3ab/0x3b3 > [] 0xc0400210 > - > To unsubscribe from this list: send the line "unsubscribe netdev" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html