Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261297AbUKBWRU (ORCPT ); Tue, 2 Nov 2004 17:17:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262017AbUKBWOi (ORCPT ); Tue, 2 Nov 2004 17:14:38 -0500 Received: from smtp.Lynuxworks.com ([207.21.185.24]:19216 "EHLO smtp.lynuxworks.com") by vger.kernel.org with ESMTP id S261925AbUKBWJC (ORCPT ); Tue, 2 Nov 2004 17:09:02 -0500 Date: Tue, 2 Nov 2004 14:08:35 -0800 To: Ingo Molnar Cc: Bill Huey , Michal Schmidt , linux-kernel@vger.kernel.org, Lee Revell , Rui Nuno Capela , Mark_H_Johnson@Raytheon.com, "K.R. Foley" , Adam Heath , Florian Schmidt , Thomas Gleixner , Fernando Pablo Lopez-Lezcano , Karsten Wiese Subject: Re: [patch] Real-Time Preemption, -RT-2.6.9-mm1-V0.5 (networking problems) Message-ID: <20041102220835.GA21683@nietzsche.lynx.com> References: <20041027001542.GA29295@elte.hu> <417F7D7D.5090205@stud.feec.vutbr.cz> <20041027134822.GA7980@elte.hu> <417FD9F2.8060002@stud.feec.vutbr.cz> <20041028115719.GA9563@elte.hu> <20041030000234.GA20986@nietzsche.lynx.com> <20041102085650.GA3973@nietzsche.lynx.com> <20041102093758.GA28014@elte.hu> <20041102110810.GA11393@nietzsche.lynx.com> <20041102114522.GA7874@elte.hu> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="3V7upXqbjpZ4EhLz" Content-Disposition: inline In-Reply-To: <20041102114522.GA7874@elte.hu> User-Agent: Mutt/1.5.6+20040907i From: Bill Huey (hui) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2255 Lines: 51 --3V7upXqbjpZ4EhLz Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Tue, Nov 02, 2004 at 12:45:22PM +0100, Ingo Molnar wrote: > * Bill Huey wrote: > > getting closer... > > > > http:590 BUG: lock held at task exit time! > > [c03f9e84] {r:0,a:-1,kernel_sem.lock} > > .. held by: http/ 590 [dc0508a0, 121] > > ... acquired at: __schedule+0x3ac/0x850 > > hm. Something called do_exit() with the BKL held which is a no-no. Do > you have a stacktrace, is this sys_exit() or some other code calling > do_exit()? Attached: bill --3V7upXqbjpZ4EhLz Content-Type: application/x-troff Content-Disposition: attachment; filename=t Content-Transfer-Encoding: quoted-printable http:601 BUG: lock held at task exit time!=0A [c03f9e84] {r:0,a:-1,kernel_s= em.lock}=0A.. held by: http/ 601 [dbe76920, 124]=0A... acquir= ed at: __schedule+0x3ac/0x850=0Ahttp/601: BUG in __up_write at lib/rwsem-g= eneric.c:1058=0A [] dump_stack+0x23/0x30 (20)=0A [] __u= p_write+0x17e/0x4a0 (76)=0A [] up+0x78/0xd0 (36)=0A [] = __schedule+0x786/0x850 (108)=0A [] do_exit+0x266/0x4d0 (40)=0A [<= c01248f0>] do_group_exit+0x40/0xe0 (40)=0A [] get_signal_to_deliv= er+0x268/0x3f0 (44)=0A [] do_signal+0x88/0x130 (200)=0A [] do_notify_resume+0x47/0x4c (12)=0A [] work_notifysig+0x13/0x1= 5 (-8124)=0A---------------------------=0A| preempt count: 00000004 ]=0A| 4= -level deep critical section nesting:=0A-----------------------------------= -----=0A.. [] .... __schedule+0x4f/0x850=0A.....[] .. = ( <=3D do_exit+0x266/0x4d0)=0A.. [] .... up+0x23/0xd0=0A.....[] .. ( <=3D __schedule+0x786/0x850)=0A.. [] .... _spin_= lock+0x22/0x80=0A.....[] .. ( <=3D __up_write+0x421/0x4a0)=0A..= [] .... print_traces+0x1d/0x60=0A.....[] .. ( <=3D d= ump_stack+0x23/0x30)=0A=0A --3V7upXqbjpZ4EhLz-- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/