Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262144AbUKQApL (ORCPT ); Tue, 16 Nov 2004 19:45:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262147AbUKQAnH (ORCPT ); Tue, 16 Nov 2004 19:43:07 -0500 Received: from smtp.Lynuxworks.com ([207.21.185.24]:60176 "EHLO smtp.lynuxworks.com") by vger.kernel.org with ESMTP id S262126AbUKQAij (ORCPT ); Tue, 16 Nov 2004 19:38:39 -0500 Date: Tue, 16 Nov 2004 16:36:58 -0800 To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, Lee Revell , Rui Nuno Capela , Mark_H_Johnson@Raytheon.com, "K.R. Foley" , Bill Huey , Adam Heath , Florian Schmidt , Thomas Gleixner , Michal Schmidt , Fernando Pablo Lopez-Lezcano , Karsten Wiese , Gunther Persoons , emann@mrv.com, Shane Shrybman , Amit Shah Subject: Re: [patch] Real-Time Preemption, -RT-2.6.10-rc2-mm1-V0.7.27-3 Message-ID: <20041117003658.GA15067@nietzsche.lynx.com> References: <20041103105840.GA3992@elte.hu> <20041106155720.GA14950@elte.hu> <20041108091619.GA9897@elte.hu> <20041108165718.GA7741@elte.hu> <20041109160544.GA28242@elte.hu> <20041111144414.GA8881@elte.hu> <20041111215122.GA5885@elte.hu> <20041116125402.GA9258@elte.hu> <20041116130946.GA11053@elte.hu> <20041116134027.GA13360@elte.hu> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="9jxsPFA5p3P2qPhR" Content-Disposition: inline In-Reply-To: <20041116134027.GA13360@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: 46119 Lines: 616 --9jxsPFA5p3P2qPhR Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Tue, Nov 16, 2004 at 02:40:27PM +0100, Ingo Molnar wrote: > i have released the -V0.7.27-3 Real-Time Preemption patch, which can be > downloaded from the usual place: Against some version of V0.7.25... that I just deleted. bill --9jxsPFA5p3P2qPhR Content-Type: application/x-troff Content-Disposition: attachment; filename=t Content-Transfer-Encoding: quoted-printable =0Abillh@aesthetics> /home/billh% 24%=0Abillh@aesthetics> /home/billh% 24%= =0Abillh@aesthetics> /home/billh% 24%=0Abillh@aesthetics> /home/billh% 24%= =0AINIT: Id "T0" respawning too fast: disabled for 5 minutes=0AINIT: Id "T0= " respawning too fast: disabled for 5 minutes=0AINIT: Id "T0" respawning to= o fast: disabled for 5 minutes=0AINIT: Id "T0" respawning too fast: disable= d for 5 minutes=0AINIT: Id "T0" respawning too fast: disabled for 5 minutes= =0Ahttp:25521 BUG: lock held at task exit time!=0A [c040e0c4] {kernel_sem.l= ock}=0A.. held by: http:25521 [d71776a0, 120]=0A... acquired a= t: nfs_permission+0x125/0x170=0Ahttp/25521: BUG in __up_mutex at kernel/rt= =2Ec:1064=0ABUG: sleeping function called from invalid context syslogd(315)= at kernel/rt.c:1314=0Ain_atomic():1 [00000001], irqs_disabled():0=0A [] dump_stack+0x23/0x30 (20)=0A [] __might_sleep+0xe5/0x100 = (36)=0A [] __spin_lock+0x39/0x60 (24)=0A [] _spin_lock_= irqsave+0x1d/0x30 (16)=0A [] free_pages_bulk+0x35/0x320 (60)=0A [= ] __free_pages_ok+0xe1/0x100 (44)=0A [] free_hot_page+0= x26/0x30 (16)=0A [] poll_freewait+0x54/0x60 (20)=0A [] = do_select+0x193/0x2b0 (120)=0A [] sys_select+0x2be/0x580 (92)=0A = [] syscall_call+0x7/0xb (-8124)=0A---------------------------=0A|= preempt count: 00000002 ]=0A| 2-level deep critical section nesting:=0A---= -------------------------------------=0A.. [] .... _raw_spin_lock= +0x6f/0x80=0A.....[] .. ( <=3D __up_mutex+0x460/0x470)=0A.. [] .... print_traces+0x1d/0x60=0A.....[] .. ( <=3D dump_= stack+0x23/0x30)=0A=0ABUG: scheduling while atomic: syslogd/0x00000001/315= =0Acaller is schedule+0x40/0x140=0A [] dump_stack+0x23/0x30 (20)= =0A [] __schedule+0x7dc/0x830 (108)=0A [] schedule+0x40= /0x140 (36)=0A [] schedule_timeout+0xd5/0xe0 (128)=0A [= ] do_select+0x16e/0x2b0 (120)=0A [] sys_select+0x2be/0x580 (92)= =0A [] syscall_call+0x7/0xb (-8124)=0A---------------------------= =0A| preempt count: 00000002 ]=0A| 2-level deep critical section nesting:= =0A----------------------------------------=0A.. [] .... _raw_spi= n_lock+0x6f/0x80=0A.....[] .. ( <=3D __up_mutex+0x460/0x470)=0A= =2E. [] .... print_traces+0x1d/0x60=0A.....[] .. ( <= =3D dump_stack+0x23/0x30)=0A=0A [] dump_stack+0x23/0x30 (20)=0A [= ] __up_mutex+0x2c7/0x470 (72)=0A [] up+0xec/0xf0 (36)= =0A [] __schedule+0x791/0x830 (108)=0A [] do_exit+0x280= /0x4e0 (48)=0A [] do_group_exit+0x41/0xe0 (40)=0A [] ge= t_signal_to_deliver+0x267/0x370 (44)=0A [] do_signal+0x8a/0x130 (= 200)=0A [] do_notify_resume+0x47/0x4c (12)=0A [] work_n= otifysig+0x13/0x15 (-8124)=0A---------------------------=0A| preempt count:= 00000004 ]=0A| 4-level deep critical section nesting:=0A------------------= ----------------------=0A.. [] .... __schedule+0x4f/0x830=0A.....= [] .. ( <=3D do_exit+0x280/0x4e0)=0A.. [] .... up+0x9= b/0xf0=0A.....[] .. ( <=3D __schedule+0x791/0x830)=0A.. [] .... _raw_spin_lock+0x22/0x80=0A.....[] .. ( <=3D __up_mu= tex+0x460/0x470)=0A.. [] .... print_traces+0x1d/0x60=0A.....[] .. ( <=3D dump_stack+0x23/0x30)=0A=0Aapt-get/25210: BUG in lock_n= ew_owner at kernel/rt.c:651=0A [] dump_stack+0x23/0x30 (20)=0A [<= c013d6e2>] lock_new_owner+0xc2/0xf0 (40)=0A [] __down_mutex+0x191= /0x300 (84)=0A [] __spin_lock+0x4b/0x60 (24)=0A [] _spi= n_lock+0x1d/0x30 (16)=0A [] qdisc_restart+0x1ac/0x290 (56)=0A [] dev_queue_xmit+0x1ef/0x2a0 (36)=0A [] ip_finish_output+= 0xd9/0x280 (56)=0A [] ip_push_pending_frames+0x350/0x540 (76)=0A = [] udp_push_pending_frames+0x160/0x260 (48)=0A [] udp_s= endmsg+0x3e2/0x830 (280)=0A [] inet_sendmsg+0x50/0x60 (28)=0A [] sock_sendmsg+0xc0/0xe0 (244)=0A [] kernel_sendmsg+0x47/= 0x60 (28)=0A [] xdr_sendpages+0xc1/0x280 (136)=0A [] xp= rt_transmit+0xe4/0x510 (64)=0A [] call_transmit+0x53/0xc0 (24)=0A= [] __rpc_execute+0x97/0x3e0 (108)=0A [] rpc_call_sync+= 0x73/0xd0 (40)=0A [] nfs3_rpc_wrapper+0x46/0x90 (40)=0A [] nfs3_proc_lookup+0xbf/0x180 (240)=0A [] nfs_lookup+0xf4/0x1d0= (328)=0A [] real_lookup+0xd1/0xf0 (36)=0A [] do_lookup= +0x8b/0xa0 (32)=0A [] link_path_walk+0x806/0x1000 (104)=0A [] path_lookup+0xa3/0x1c0 (32)=0A [] __user_walk+0x36/0x60 (3= 2)=0A [] vfs_stat+0x23/0x60 (92)=0A [] sys_stat64+0x20/= 0x50 (100)=0A [] syscall_call+0x7/0xb (-8124)=0A-----------------= ----------=0A| preempt count: 00000002 ]=0A| 2-level deep critical section = nesting:=0A----------------------------------------=0A.. [] .... = _raw_spin_lock+0x22/0x80=0A.....[] .. ( <=3D __down_mutex+0xb4/= 0x300)=0A.. [] .... print_traces+0x1d/0x60=0A.....[] ..= ( <=3D dump_stack+0x23/0x30)=0A=0Aksoftirqd/1/7: BUG in lock_new_owner a= t kernel/rt.c:651=0Agrep/25524: BUG in lock_new_owner at kernel/rt.c:651=0A= [] dump_stack+0x23/0x30 (20)=0A [] lock_new_owner+0xc2= /0xf0 (40)=0A [] __down_mutex+0x191/0x300 (84)=0A [] __= spin_lock+0x4b/0x60 (24)=0A [] _spin_lock_irqsave+0x1d/0x30 (16)= =0A [] rpc_clnt_sigmask+0x6c/0xc0 (32)=0A [] rpc_call_s= ync+0x37/0xd0 (40)=0A [] nfs3_rpc_wrapper+0x46/0x90 (40)=0A [] nfs3_proc_getattr+0x50/0x80 (40)=0A [] __nfs_revalidate_i= node+0xf9/0x3a0 (192)=0A [] nfs_lookup_revalidate+0x45a/0x550 (34= 8)=0A [] do_lookup+0x5e/0xa0 (32)=0A [] link_path_walk+= 0x11d/0x1000 (104)=0A [] path_lookup+0xa3/0x1c0 (32)=0A [] open_namei+0x8b/0x700 (60)=0A [] filp_open+0x41/0x70 (92)=0A = [] sys_open+0x4b/0x90 (32)=0A [] syscall_call+0x7/0xb (= -8124)=0A---------------------------=0A| preempt count: 00000002 ]=0A| 2-le= vel deep critical section nesting:=0A--------------------------------------= --=0A.. [] .... _raw_spin_lock+0x22/0x80=0A.....[] .. = ( <=3D __down_mutex+0xb4/0x300)=0A.. [] .... print_traces+0x1d/0= x60=0A.....[] .. ( <=3D dump_stack+0x23/0x30)=0A=0Agrep/25524: = BUG in lock_new_owner at kernel/rt.c:651=0A [] dump_stack+0x23/0x= 30 (20)=0A [] lock_new_owner+0xc2/0xf0 (40)=0A [] __dow= n_mutex+0x191/0x300 (84)=0A [] down_read_mutex+0x53/0x70 (28)=0A = [] _read_lock+0x1d/0x30 (16)=0A [] __ip_route_output_ke= y+0x52/0x140 (36)=0A [] ip_route_output_flow+0x2f/0x90 (40)=0A [<= c035b312>] udp_sendmsg+0x582/0x830 (280)=0A [] inet_sendmsg+0x50/= 0x60 (28)=0A [] sock_sendmsg+0xc0/0xe0 (244)=0A [] kern= el_sendmsg+0x47/0x60 (28)=0A [] xdr_sendpages+0xc1/0x280 (136)=0A= [] xprt_transmit+0xe4/0x510 (64)=0A [] call_transmit+0= x53/0xc0 (24)=0A [] __rpc_execute+0x97/0x3e0 (108)=0A [= ] rpc_call_sync+0x73/0xd0 (40)=0A [] nfs3_rpc_wrapper+0x46/0x90 (= 40)=0A [] nfs3_proc_getattr+0x50/0x80 (40)=0A [] __nfs_= revalidate_inode+0xf9/0x3a0 (192)=0A [] nfs_lookup_revalidate+0x4= 5a/0x550 (348)=0A [] do_lookup+0x5e/0xa0 (32)=0A [] lin= k_path_walk+0x11d/0x1000 (104)=0A [] path_lookup+0xa3/0x1c0 (32)= =0A [] open_namei+0x8b/0x700 (60)=0A [] filp_open+0x41/= 0x70 (92)=0A [] sys_open+0x4b/0x90 (32)=0A [] syscall_c= all+0x7/0xb (-8124)=0A---------------------------=0A| preempt count: 000000= 02 ]=0A| 2-level deep critical section nesting:=0A-------------------------= ---------------=0A.. [] .... _raw_spin_lock+0x22/0x80=0A.....[] .. ( <=3D __down_mutex+0xb4/0x300)=0A.. [] .... print_= traces+0x1d/0x60=0A.....[] .. ( <=3D dump_stack+0x23/0x30)=0A= =0A [] dump_stack+0x23/0x30 (20)=0A [] lock_new_owner+0= xc2/0xf0 (40)=0A [] __up_mutex+0x399/0x470 (72)=0A [] u= p_mutex+0xb6/0x110 (40)=0A [] run_timer_softirq+0x86/0x470 (60)= =0A [] ___do_softirq+0xd2/0x130 (48)=0A [] _do_softirq+= 0x29/0x30 (8)=0A [] ksoftirqd+0xc6/0x100 (24)=0A [] kth= read+0xbb/0xc0 (48)=0A [] kernel_thread_helper+0x5/0xc (104889550= 8)=0A---------------------------=0A| preempt count: 00000002 ]=0A| 2-level = deep critical section nesting:=0A----------------------------------------= =0A.. [] .... _raw_spin_lock+0x22/0x80=0A.....[] .. (= <=3D __up_mutex+0x121/0x470)=0A.. [] .... print_traces+0x1d/0x60= =0A.....[] .. ( <=3D dump_stack+0x23/0x30)=0A=0AIRQ 18/247: BUG= in lock_new_owner at kernel/rt.c:651=0A [] dump_stack+0x23/0x30 = (20)=0A [] lock_new_owner+0xc2/0xf0 (40)=0A [] __down_m= utex+0x191/0x300 (84)=0A [] __spin_lock+0x4b/0x60 (24)=0A [] _spin_lock+0x1d/0x30 (16)=0A [] __kmalloc+0x7c/0x140 (36)= =0A [] alloc_skb+0x4d/0xf0 (32)=0A [] speedo_rx+0x29b/0= x3d0 (56)=0A [] speedo_interrupt+0x230/0x250 (56)=0A []= handle_IRQ_event+0x53/0xa0 (40)=0A [] do_hardirq+0x52/0xf0 (40)= =0A [] do_irqd+0x125/0x240 (52)=0A [] kthread+0xbb/0xc0= (48)=0A [] kernel_thread_helper+0x5/0xc (548413460)=0A----------= -----------------=0A| preempt count: 00000002 ]=0A| 2-level deep critical s= ection nesting:=0A----------------------------------------=0A.. [= ] .... _raw_spin_lock+0x22/0x80=0A.....[] .. ( <=3D __down_mute= x+0xb4/0x300)=0A.. [] .... print_traces+0x1d/0x60=0A.....[] .. ( <=3D dump_stack+0x23/0x30)=0A=0Aevents/1/10: BUG in lock_new_ow= ner at kernel/rt.c:651=0Aevents/0/9: BUG in lock_new_owner at kernel/rt.c:6= 51=0A [] dump_stack+0x23/0x30 (20)=0A [] lock_new_owner= +0xc2/0xf0 (40)=0A [] __down_mutex+0x191/0x300 (84)=0A [] __spin_lock+0x4b/0x60 (24)=0A [] _spin_lock_irq+0x1d/0x30 (16)= =0A [] cache_reap+0x71/0x290 (52)=0A [] worker_thread+0= x1b1/0x270 (128)=0A [] kthread+0xbb/0xc0 (48)=0A [] ker= nel_thread_helper+0x5/0xc (1048846356)=0A---------------------------=0A| pr= eempt count: 00000002 ]=0A| 2-level deep critical section nesting:=0A------= ----------------------------------=0A.. [] .... _raw_spin_lock+0x= 22/0x80=0A.....[] .. ( <=3D __down_mutex+0xb4/0x300)=0A.. [] .... print_traces+0x1d/0x60=0A.....[] .. ( <=3D dump_st= ack+0x23/0x30)=0A=0Aksoftirqd/0/4: BUG in lock_new_owner at kernel/rt.c:651= =0A [] dump_stack+0x23/0x30 (20)=0A [] lock_new_owner+0= xc2/0xf0 (40)=0A [] __down_mutex+0x191/0x300 (84)=0A []= __spin_lock+0x4b/0x60 (24)=0A [] _spin_lock_irqsave+0x1d/0x30 (1= 6)=0A [] speedo_start_xmit+0x37/0x2b0 (48)=0A [] qdisc_= restart+0x7e/0x290 (56)=0A [] dev_queue_xmit+0x1ef/0x2a0 (36)=0A = [] ip_finish_output+0xd9/0x280 (56)=0A [] ip_queue_xmit= +0x46b/0x600 (224)=0A [] tcp_transmit_skb+0x432/0x740 (76)=0A [] tcp_send_ack+0xa9/0xf0 (36)=0A [] tcp_rcv_established+0= x299/0x920 (52)=0A [] tcp_v4_do_rcv+0x15a/0x160 (32)=0A [] tcp_v4_rcv+0x7bf/0xa20 (80)=0A [] ip_local_deliver+0x10f/0x2f= 0 (48)=0A [] ip_rcv+0x29c/0x550 (56)=0A [] netif_receiv= e_skb+0x165/0x200 (36)=0A [] process_backlog+0x96/0x1a0 (48)=0A [= ] net_rx_action+0xa7/0x200 (44)=0A [] ___do_softirq+0xd= 2/0x130 (48)=0A [] _do_softirq+0x29/0x30 (8)=0A [] ksof= tirqd+0xc6/0x100 (24)=0A [] kthread+0xbb/0xc0 (48)=0A [= ] kernel_thread_helper+0x5/0xc (1048928276)=0A---------------------------= =0A| preempt count: 00000002 ]=0A| 2-level deep critical section nesting:= =0A----------------------------------------=0A.. [] .... _raw_spi= n_lock+0x22/0x80=0A.....[] .. ( <=3D __down_mutex+0xb4/0x300)= =0A.. [] .... print_traces+0x1d/0x60=0A.....[] .. ( <= =3D dump_stack+0x23/0x30)=0A=0Agrep/25524: BUG in lock_new_owner at kernel/= rt.c:651=0A [] dump_stack+0x23/0x30 (20)=0A [] lock_new= _owner+0xc2/0xf0 (40)=0A [] __down_mutex+0x191/0x300 (84)=0A [] __spin_lock+0x4b/0x60 (24)=0A [] _spin_lock_irqsave+0x1d= /0x30 (16)=0A [] rpc_clnt_sigunmask+0x33/0x80 (28)=0A [= ] rpc_call_sync+0x84/0xd0 (40)=0A [] nfs3_rpc_wrapper+0x46/0x90 (= 40)=0A [] nfs3_proc_getattr+0x50/0x80 (40)=0A [] __nfs_= revalidate_inode+0xf9/0x3a0 (192)=0A [] nfs_lookup_revalidate+0x4= 5a/0x550 (348)=0A [] do_lookup+0x5e/0xa0 (32)=0A [] lin= k_path_walk+0x11d/0x1000 (104)=0A [] path_lookup+0xa3/0x1c0 (32)= =0A [] open_namei+0x8b/0x700 (60)=0A [] filp_open+0x41/= 0x70 (92)=0A [] sys_open+0x4b/0x90 (32)=0A [] syscall_c= all+0x7/0xb (-8124)=0A---------------------------=0A| preempt count: 000000= 02 ]=0A| 2-level deep critical section nesting:=0A-------------------------= ---------------=0A.. [] .... _raw_spin_lock+0x22/0x80=0A.....[] .. ( <=3D __down_mutex+0xb4/0x300)=0A.. [] .... print_= traces+0x1d/0x60=0A.....[] .. ( <=3D dump_stack+0x23/0x30)=0A= =0Antop/553: BUG in lock_new_owner at kernel/rt.c:651=0A [] dump_= stack+0x23/0x30 (20)=0A [] lock_new_owner+0xc2/0xf0 (40)=0A [] __down_mutex+0x191/0x300 (84)=0A [] __spin_lock+0x4b/0x60= (24)=0A [] _spin_lock+0x1d/0x30 (16)=0A [] fget+0x33/0= x70 (28)=0A [] sockfd_lookup+0x1f/0x80 (24)=0A [] sys_r= ecvfrom+0x2c/0x100 (208)=0A [] sys_socketcall+0x1b3/0x250 (68)=0A= [] syscall_call+0x7/0xb (-8124)=0A---------------------------=0A= | preempt count: 00000002 ]=0A| 2-level deep critical section nesting:=0A--= --------------------------------------=0A.. [] .... _raw_spin_loc= k+0x22/0x80=0A.....[] .. ( <=3D __down_mutex+0xb4/0x300)=0A.. [= ] .... print_traces+0x1d/0x60=0A.....[] .. ( <=3D dum= p_stack+0x23/0x30)=0A=0A [] dump_stack+0x23/0x30 (20)=0A [] lock_new_owner+0xc2/0xf0 (40)=0A [] __up_mutex+0x399/0x470 (= 72)=0A [] up_mutex+0xb6/0x110 (40)=0A [] __mod_timer+0x= 101/0x1d0 (44)=0A [] queue_delayed_work+0x60/0xd0 (36)=0A [] cache_reap+0x1b7/0x290 (52)=0A [] worker_thread+0x1b1/0x270= (128)=0A [] kthread+0xbb/0xc0 (48)=0A [] kernel_thread= _helper+0x5/0xc (1048789012)=0A---------------------------=0A| preempt coun= t: 00000002 ]=0A| 2-level deep critical section nesting:=0A----------------= ------------------------=0A.. [] .... _raw_spin_lock+0x22/0x80=0A= =2E....[] .. ( <=3D __up_mutex+0x121/0x470)=0A.. [] .= =2E.. print_traces+0x1d/0x60=0A.....[] .. ( <=3D dump_stack+0x2= 3/0x30)=0A=0Aksoftirqd/1/7: BUG in __up_mutex at kernel/rt.c:1064=0ABUG: sl= eeping function called from invalid context syslogd(315) at kernel/rt.c:131= 4=0Ain_atomic():1 [00000001], irqs_disabled():0=0A [] dump_stack+= 0x23/0x30 (20)=0A [] __might_sleep+0xe5/0x100 (36)=0A [= ] __spin_lock+0x39/0x60 (24)=0A [] _spin_lock+0x1d/0x30 (16)=0A [= ] fget+0x33/0x70 (28)=0A [] do_select+0x207/0x2b0 (120)= =0A [] sys_select+0x2be/0x580 (92)=0A [] syscall_call+0= x7/0xb (-8124)=0A---------------------------=0A| preempt count: 00000002 ]= =0A| 2-level deep critical section nesting:=0A-----------------------------= -----------=0A.. [] .... _raw_spin_lock+0x6f/0x80=0A.....[] .. ( <=3D __up_mutex+0x460/0x470)=0A.. [] .... print_trace= s+0x1d/0x60=0A.....[] .. ( <=3D dump_stack+0x23/0x30)=0A=0ABUG:= scheduling while atomic: syslogd/0x00000001/315=0Acaller is schedule+0x40/= 0x140=0A [] dump_stack+0x23/0x30 (20)=0A [] __schedule+= 0x7dc/0x830 (108)=0A [] schedule+0x40/0x140 (36)=0A [] = schedule_timeout+0xd5/0xe0 (128)=0A [] do_select+0x16e/0x2b0 (120= )=0A [] sys_select+0x2be/0x580 (92)=0A [] syscall_call+= 0x7/0xb (-8124)=0A---------------------------=0A| preempt count: 00000002 ]= =0A| 2-level deep critical section nesting:=0A-----------------------------= -----------=0A.. [] .... _raw_spin_lock+0x6f/0x80=0A.....[] .. ( <=3D __up_mutex+0x460/0x470)=0A.. [] .... print_trace= s+0x1d/0x60=0A.....[] .. ( <=3D dump_stack+0x23/0x30)=0A=0A [] dump_stack+0x23/0x30 (20)=0A [] __up_mutex+0x2c7/0x470 = (72)=0A [] up_mutex+0xb6/0x110 (40)=0A [] run_timer_sof= tirq+0x1ec/0x470 (60)=0A [] ___do_softirq+0xd2/0x130 (48)=0A [] _do_softirq+0x29/0x30 (8)=0A [] ksoftirqd+0xc6/0x100 (24= )=0A [] kthread+0xbb/0xc0 (48)=0A [] kernel_thread_help= er+0x5/0xc (1048895508)=0A---------------------------=0A| preempt count: 00= 000002 ]=0A| 2-level deep critical section nesting:=0A---------------------= -------------------=0A.. [] .... _raw_spin_lock+0x22/0x80=0A.....= [] .. ( <=3D __up_mutex+0x121/0x470)=0A.. [] .... pri= nt_traces+0x1d/0x60=0A.....[] .. ( <=3D dump_stack+0x23/0x30)= =0A=0Agrep/25524: BUG in lock_new_owner at kernel/rt.c:651=0A [] = dump_stack+0x23/0x30 (20)=0A [] lock_new_owner+0xc2/0xf0 (40)=0A = [] __down_mutex+0x191/0x300 (84)=0A [] __spin_lock+0x4b= /0x60 (24)=0A [] _spin_lock_irqsave+0x1d/0x30 (16)=0A [= ] rpc_clnt_sigmask+0x6c/0xc0 (32)=0A [] nfs3_rpc_wrapper+0x27/0x9= 0 (40)=0A [] nfs3_proc_access+0x105/0x1b0 (224)=0A [] n= fs_do_access+0x5c/0xa0 (48)=0A [] nfs_permission+0x116/0x170 (32)= =0A [] permission+0x7e/0x80 (32)=0A [] link_path_walk+0= xf0b/0x1000 (104)=0A [] path_lookup+0xa3/0x1c0 (32)=0A [] open_namei+0x8b/0x700 (60)=0A [] filp_open+0x41/0x70 (92)=0A [= ] sys_open+0x4b/0x90 (32)=0A [] syscall_call+0x7/0xb (-= 8124)=0A---------------------------=0A| preempt count: 00000002 ]=0A| 2-lev= el deep critical section nesting:=0A---------------------------------------= -=0A.. [] .... _raw_spin_lock+0x22/0x80=0A.....[] .. = ( <=3D __down_mutex+0xb4/0x300)=0A.. [] .... print_traces+0x1d/0x= 60=0A.....[] .. ( <=3D dump_stack+0x23/0x30)=0A=0AIRQ 18/247: B= UG in lock_new_owner at kernel/rt.c:651=0A [] dump_stack+0x23/0x3= 0 (20)=0A [] lock_new_owner+0xc2/0xf0 (40)=0A [] __down= _mutex+0x191/0x300 (84)=0A [] __spin_lock+0x4b/0x60 (24)=0A [] _spin_lock+0x1d/0x30 (16)=0A [] speedo_interrupt+0xdc/0x2= 50 (56)=0A [] handle_IRQ_event+0x53/0xa0 (40)=0A [] do_= hardirq+0x52/0xf0 (40)=0A [] do_irqd+0x125/0x240 (52)=0A [] kthread+0xbb/0xc0 (48)=0A [] kernel_thread_helper+0x5/0xc (5= 48413460)=0A---------------------------=0A| preempt count: 00000002 ]=0A| 2= -level deep critical section nesting:=0A-----------------------------------= -----=0A.. [] .... _raw_spin_lock+0x22/0x80=0A.....[] .= =2E ( <=3D __down_mutex+0xb4/0x300)=0A.. [] .... print_traces+0= x1d/0x60=0A.....[] .. ( <=3D dump_stack+0x23/0x30)=0A=0Aksoftir= qd/0/4: BUG in lock_new_owner at kernel/rt.c:651=0A [] dump_stack= +0x23/0x30 (20)=0A [] lock_new_owner+0xc2/0xf0 (40)=0A [] __up_mutex+0x399/0x470 (72)=0A [] up_mutex+0xb6/0x110 (40)=0A = [] run_timer_softirq+0x86/0x470 (60)=0A [] ___do_softir= q+0xd2/0x130 (48)=0A [] _do_softirq+0x29/0x30 (8)=0A []= ksoftirqd+0xc6/0x100 (24)=0A [] kthread+0xbb/0xc0 (48)=0A [] kernel_thread_helper+0x5/0xc (1048928276)=0A------------------------= ---=0A| preempt count: 00000002 ]=0A| 2-level deep critical section nesting= :=0A----------------------------------------=0A.. [] .... _raw_sp= in_lock+0x22/0x80=0A.....[] .. ( <=3D __up_mutex+0x121/0x470)= =0A.. [] .... print_traces+0x1d/0x60=0A.....[] .. ( <= =3D dump_stack+0x23/0x30)=0A=0Aksoftirqd/1/7: BUG in __up_mutex at kernel/r= t.c:1064=0A [] dump_stack+0x23/0x30 (20)=0A [] __up_mut= ex+0x2c7/0x470 (72)=0A [] up_mutex+0xb6/0x110 (40)=0A [= ] run_timer_softirq+0x86/0x470 (60)=0A [] ___do_softirq+0xd2/0x13= 0 (48)=0A [] _do_softirq+0x29/0x30 (8)=0A [] ksoftirqd+= 0xc6/0x100 (24)=0A [] kthread+0xbb/0xc0 (48)=0A [] kern= el_thread_helper+0x5/0xc (1048895508)=0A---------------------------=0A| pre= empt count: 00000002 ]=0A| 2-level deep critical section nesting:=0A-------= ---------------------------------=0A.. [] .... _raw_spin_lock+0x2= 2/0x80=0A.....[] .. ( <=3D __up_mutex+0x121/0x470)=0A.. [] .... print_traces+0x1d/0x60=0A.....[] .. ( <=3D dump_stac= k+0x23/0x30)=0A=0AIRQ 0/2: BUG in __up_mutex at kernel/rt.c:1064=0A [] dump_stack+0x23/0x30 (20)=0A [] __up_mutex+0x2c7/0x470 (72)= =0A [] up_mutex+0xb6/0x110 (40)=0A [] timer_interrupt+0= xd2/0x130 (32)=0A [] handle_IRQ_event+0x53/0xa0 (40)=0A [] do_hardirq+0x52/0xf0 (40)=0A [] do_irqd+0x125/0x240 (52)=0A [= ] kthread+0xbb/0xc0 (48)=0A [] kernel_thread_helper+0x5= /0xc (1048952852)=0A---------------------------=0A| preempt count: 00000002= ]=0A| 2-level deep critical section nesting:=0A---------------------------= -------------=0A.. [] .... _raw_spin_lock+0x22/0x80=0A.....[] .. ( <=3D __up_mutex+0x121/0x470)=0A.. [] .... print_tra= ces+0x1d/0x60=0A.....[] .. ( <=3D dump_stack+0x23/0x30)=0A=0Aks= oftirqd/1/7: BUG in __up_mutex at kernel/rt.c:1064=0A [] dump_sta= ck+0x23/0x30 (20)=0A [] __up_mutex+0x2c7/0x470 (72)=0A [] up_mutex+0xb6/0x110 (40)=0A [] run_timer_softirq+0x86/0x470 (6= 0)=0A [] ___do_softirq+0xd2/0x130 (48)=0A [] _do_softir= q+0x29/0x30 (8)=0A [] ksoftirqd+0xc6/0x100 (24)=0A [] k= thread+0xbb/0xc0 (48)=0A [] kernel_thread_helper+0x5/0xc (1048895= 508)=0A---------------------------=0A| preempt count: 00000002 ]=0A| 2-leve= l deep critical section nesting:=0A----------------------------------------= =0A.. [] .... _raw_spin_lock+0x22/0x80=0A.....[] .. (= <=3D __up_mutex+0x121/0x470)=0A.. [] .... print_traces+0x1d/0x60= =0A.....[] .. ( <=3D dump_stack+0x23/0x30)=0A=0AIRQ 0/2: BUG in= __up_mutex at kernel/rt.c:1064=0A [] dump_stack+0x23/0x30 (20)= =0A [] __up_mutex+0x2c7/0x470 (72)=0A [] up_mutex+0xb6/= 0x110 (40)=0A [