Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262422AbUKRPMa (ORCPT ); Thu, 18 Nov 2004 10:12:30 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262429AbUKRPMQ (ORCPT ); Thu, 18 Nov 2004 10:12:16 -0500 Received: from mail.onestepahead.de ([62.96.100.59]:43416 "EHLO mail.onestepahead.de") by vger.kernel.org with ESMTP id S262141AbUKRPKI (ORCPT ); Thu, 18 Nov 2004 10:10:08 -0500 Subject: Re: [patch] Real-Time Preemption, -RT-2.6.10-rc2-mm1-V0.7.28-0 From: Christian Meder 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 In-Reply-To: <20041118155411.GB12483@elte.hu> References: <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> <20041117124234.GA25956@elte.hu> <1100732223.3472.10.camel@localhost> <20041118155411.GB12483@elte.hu> Content-Type: text/plain Date: Thu, 18 Nov 2004 16:07:55 +0100 Message-Id: <1100790475.3397.3.camel@localhost> Mime-Version: 1.0 X-Mailer: Evolution 2.0.2 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 24217 Lines: 580 On Thu, 2004-11-18 at 16:54 +0100, Ingo Molnar wrote: > * Christian Meder wrote: > > > after successfully running the last couple of rt patches on my Dell > > Inspiron laptop I thought I'd give it a try on my combined vdr/router > > box which is probably more interesting from a rt point of view. This > > box is bridging wireless/ADSL and working as a digital vdr using the > > kernel DVB-S drivers. > > > > I got the appended logging messages with the appended config. Is > > there anything else I should provide for debugging purposes or are the > > messages just harmless ? > > the messages mean that i havent converted the bridge code's RCU locking > to PREEMPT_RT yet. I've done this in the -V0.7.28-2 patch that i've just > uploaded to: > > http://redhat.com/~mingo/realtime-preempt/ > > does bridging work fine with this patch, and if yes, do you get any > (other) warning messages? Thanks, will try soon and report. There was another trace in my log of the vdr/router box which seemed unrelated to the bridging traces. Christian Nov 17 22:44:41 verena kernel: dvb-ttpci: found av7110-0. Nov 17 22:44:43 verena kernel: ves1x93: Detected ves1893a rev2 Nov 17 22:44:43 verena kernel: DVB: registering frontend 0 (VES1893)... Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: ========================================== Nov 17 22:44:44 verena kernel: [ BUG: lock recursion deadlock detected! | Nov 17 22:44:44 verena kernel: ------------------------------------------ Nov 17 22:44:44 verena kernel: already locked: [c9c8fa10] {&fe->sem} Nov 17 22:44:44 verena kernel: .. held by: vdr: 2147 [ca3a6950, 118] Nov 17 22:44:44 verena kernel: ... acquired at: dvb_frontend_start +0x75/0x100 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: ------------------------------ Nov 17 22:44:44 verena kernel: | showing all locks held by: | (vdr/2147 [ca3a6950, 118]): Nov 17 22:44:44 verena kernel: ------------------------------ Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #001: [c9c8fa10] {&fe->sem} Nov 17 22:44:44 verena kernel: ... acquired at: dvb_frontend_start +0x75/0x100 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #002: [c045e444] {kernel_sem.lock} Nov 17 22:44:44 verena kernel: ... acquired at: lock_kernel+0x27/0x50 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: -{current task's backtrace}-----------------> Nov 17 22:44:44 verena kernel: [check_deadlock+608/640] check_deadlock +0x260/0x280 (8) Nov 17 22:44:44 verena kernel: [dvb_frontend_ioctl+171/832] dvb_frontend_ioctl+0xab/0x340 (28) Nov 17 22:44:44 verena kernel: [dvb_frontend_ioctl+171/832] dvb_frontend_ioctl+0xab/0x340 (8) Nov 17 22:44:44 verena kernel: [task_blocks_on_lock+243/256] task_blocks_on_lock+0xf3/0x100 (12) Nov 17 22:44:44 verena kernel: [dvb_frontend_ioctl+171/832] dvb_frontend_ioctl+0xab/0x340 (16) Nov 17 22:44:44 verena kernel: [__down_interruptible+534/1072] __down_interruptible+0x216/0x430 (4) Nov 17 22:44:44 verena kernel: [dvb_frontend_ioctl+171/832] dvb_frontend_ioctl+0xab/0x340 (4) Nov 17 22:44:44 verena kernel: [pg0+264556013/1068020736] av7110_send_fw_cmd+0x4d/0xc0 [dvb_ttpci] (12) Nov 17 22:44:44 verena kernel: [up+190/256] up+0xbe/0x100 (24) Nov 17 22:44:44 verena kernel: [down_interruptible+173/480] down_interruptible+0xad/0x1e0 (36) Nov 17 22:44:44 verena kernel: [lru_cache_add_active+13/64] lru_cache_add_active+0xd/0x40 (4) Nov 17 22:44:44 verena kernel: [dvb_frontend_ioctl+171/832] dvb_frontend_ioctl+0xab/0x340 (40) Nov 17 22:44:44 verena kernel: [__kmalloc+133/272] __kmalloc+0x85/0x110 (52) Nov 17 22:44:44 verena kernel: [dvb_usercopy+132/272] dvb_usercopy +0x84/0x110 (32) Nov 17 22:44:44 verena kernel: [__down+470/800] __down+0x1d6/0x320 (44) Nov 17 22:44:44 verena kernel: [lock_kernel+39/80] lock_kernel +0x27/0x50 (4) Nov 17 22:44:44 verena kernel: [__down_mutex+470/864] __down_mutex +0x1d6/0x360 (12) Nov 17 22:44:44 verena kernel: [fget+47/96] fget+0x2f/0x60 (4) Nov 17 22:44:44 verena kernel: [__down_mutex+470/864] __down_mutex +0x1d6/0x360 (4) Nov 17 22:44:44 verena kernel: [kmem_cache_free+53/208] kmem_cache_free +0x35/0xd0 (4) Nov 17 22:44:44 verena kernel: [down+173/480] down+0xad/0x1e0 (48) Nov 17 22:44:44 verena kernel: [fget+72/96] fget+0x48/0x60 (16) Nov 17 22:44:44 verena kernel: [dvb_generic_ioctl+62/80] dvb_generic_ioctl+0x3e/0x50 (24) Nov 17 22:44:44 verena kernel: [dvb_frontend_ioctl+0/832] dvb_frontend_ioctl+0x0/0x340 (8) Nov 17 22:44:44 verena kernel: [sys_ioctl+184/528] sys_ioctl+0xb8/0x210 (12) Nov 17 22:44:44 verena kernel: [syscall_call+7/11] syscall_call+0x7/0xb (36) Nov 17 22:44:44 verena kernel: --------------------------- Nov 17 22:44:44 verena kernel: | preempt count: 00000002 ] Nov 17 22:44:44 verena kernel: | 2-level deep critical section nesting: Nov 17 22:44:44 verena kernel: ---------------------------------------- Nov 17 22:44:44 verena kernel: .. [__down_interruptible+1057/1072] .... __down_interruptible+0x421/0x430 Nov 17 22:44:44 verena kernel: .....[<00000000>] .. ( <= 0x0) Nov 17 22:44:44 verena kernel: .. [print_traces+13/64] .... print_traces +0xd/0x40 Nov 17 22:44:44 verena kernel: .....[<00000000>] .. ( <= 0x0) Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: showing all tasks: Nov 17 22:44:44 verena kernel: s init: 1 [c1239370, 116] (not blocked) Nov 17 22:44:44 verena kernel: s IRQ 0: 2 [c1238d00, 50] (not blocked) Nov 17 22:44:44 verena kernel: s ksoftirqd/0: 3 [c1238690, 105] (not blocked) Nov 17 22:44:44 verena kernel: s desched/0: 4 [c1238020, 105] (not blocked) Nov 17 22:44:44 verena kernel: s events/0: 5 [cf7db390, 98] (not blocked) Nov 17 22:44:44 verena kernel: s khelper: 6 [cf7dad20, 113] (not blocked) Nov 17 22:44:44 verena kernel: s kthread: 11 [cf7da6b0, 110] (not blocked) Nov 17 22:44:44 verena kernel: s kacpid: 19 [cf7da040, 120] (not blocked) Nov 17 22:44:44 verena kernel: s IRQ 11: 20 [cf64d3b0, 58] (not blocked) Nov 17 22:44:44 verena kernel: s kblockd/0: 91 [cf64cd40, 110] (not blocked) Nov 17 22:44:44 verena kernel: s khubd: 104 [cf64c6d0, 115] (not blocked) Nov 17 22:44:44 verena kernel: s pdflush: 183 [cf64c060, 117] (not blocked) Nov 17 22:44:44 verena kernel: s pdflush: 184 [cf6c53d0, 115] (not blocked) Nov 17 22:44:44 verena kernel: s aio/0: 186 [cf6c46f0, 112] (not blocked) Nov 17 22:44:44 verena kernel: s kswapd0: 185 [cf6c4d60, 125] (not blocked) Nov 17 22:44:44 verena kernel: s IRQ 8: 775 [cf6c4080, 56] (not blocked) Nov 17 22:44:44 verena kernel: s IRQ 12: 785 [c139ed80, 54] (not blocked) Nov 17 22:44:44 verena kernel: s IRQ 7: 804 [c139e710, 112] (not blocked) Nov 17 22:44:44 verena kernel: s kseriod: 779 [c139f3f0, 125] (not blocked) Nov 17 22:44:44 verena kernel: s IRQ 6: 807 [c139e0a0, 51] (not blocked) Nov 17 22:44:44 verena kernel: s IRQ 14: 821 [c13e9450, 52] (not blocked) Nov 17 22:44:44 verena kernel: s IRQ 15: 824 [c13dc0e0, 53] (not blocked) Nov 17 22:44:44 verena kernel: s scsi_eh_0: 837 [c13dcdc0, 117] blocked on: [c13e1fac] {sem.lock} Nov 17 22:44:44 verena kernel: .. held by: scsi_eh_0: 837 [c13dcdc0, 117] Nov 17 22:44:44 verena kernel: ... acquired at: scsi_error_handler +0x50/0x100 Nov 17 22:44:44 verena kernel: s IRQ 1: 864 [c13cd410, 55] (not blocked) Nov 17 22:44:44 verena kernel: s kjournald: 903 [c13e8770, 115] (not blocked) Nov 17 22:44:44 verena kernel: s IRQ 5: 1074 [c13dc750, 57] (not blocked) Nov 17 22:44:44 verena kernel: s IRQ 10: 1116 [c13e8100, 59] (not blocked) Nov 17 22:44:44 verena kernel: s kjournald: 1153 [cf439470, 120] (not blocked) Nov 17 22:44:44 verena kernel: s portmap: 1320 [ce6ace20, 115] (not blocked) Nov 17 22:44:44 verena kernel: s IRQ 4: 1328 [c13cc0c0, 112] (not blocked) Nov 17 22:44:44 verena kernel: s IRQ 3: 1331 [cf438e00, 112] (not blocked) Nov 17 22:44:44 verena kernel: s syslogd: 1433 [c13ccda0, 116] (not blocked) Nov 17 22:44:44 verena kernel: s klogd: 1436 [ce6ac7b0, 116] (not blocked) Nov 17 22:44:44 verena kernel: s pppd: 1448 [cdbb2e40, 116] (not blocked) Nov 17 22:44:44 verena kernel: s pppoe: 1451 [c13dd430, 116] (not blocked) Nov 17 22:44:44 verena kernel: s gnugk: 1484 [c13e8de0, 116] (not blocked) Nov 17 22:44:44 verena kernel: s gnugk: 1508 [cd366e60, 120] (not blocked) Nov 17 22:44:44 verena kernel: s gnugk: 1509 [cd3667f0, 116] (not blocked) Nov 17 22:44:44 verena kernel: s gnugk: 1510 [cd366180, 120] (not blocked) Nov 17 22:44:44 verena kernel: s gnugk: 1511 [cc5014f0, 120] (not blocked) Nov 17 22:44:44 verena kernel: s inetd: 1489 [cdbb34b0, 122] (not blocked) Nov 17 22:44:44 verena kernel: s jabberd: 1492 [ce6ad490, 116] (not blocked) Nov 17 22:44:44 verena kernel: s ip-up: 1502 [cd3674d0, 118] (not blocked) Nov 17 22:44:44 verena kernel: s run-parts: 1504 [cdbb27d0, 118] (not blocked) Nov 17 22:44:44 verena kernel: s exim: 1506 [cdbb2160, 119] (not blocked) Nov 17 22:44:44 verena kernel: s exim: 1507 [cf438120, 116] (not blocked) Nov 17 22:44:44 verena kernel: s jabberd: 1516 [cc5001a0, 116] (not blocked) Nov 17 22:44:44 verena kernel: s jabberd: 1519 [c13cc730, 116] (not blocked) Nov 17 22:44:44 verena kernel: s nfsd: 1907 [cc500e80, 119] (not blocked) Nov 17 22:44:44 verena kernel: s nfsd: 1908 [cc58eea0, 119] (not blocked) Nov 17 22:44:44 verena kernel: s nfsd: 1909 [cc58e830, 119] (not blocked) Nov 17 22:44:44 verena kernel: s nfsd: 1910 [cf438790, 119] (not blocked) Nov 17 22:44:44 verena kernel: s nfsd: 1911 [cc58e1c0, 119] (not blocked) Nov 17 22:44:44 verena kernel: s nfsd: 1912 [cc7a7530, 120] (not blocked) Nov 17 22:44:44 verena kernel: s nfsd: 1913 [cc7a6ec0, 116] (not blocked) Nov 17 22:44:44 verena kernel: s nfsd: 1914 [cc7a6850, 116] (not blocked) Nov 17 22:44:44 verena kernel: s lockd: 1916 [cc7a61e0, 121] (not blocked) Nov 17 22:44:44 verena kernel: s rpciod/0: 1917 [cc783550, 111] (not blocked) Nov 17 22:44:44 verena kernel: s rpc.mountd: 1920 [cc782ee0, 119] (not blocked) Nov 17 22:44:44 verena kernel: s postmaster: 1962 [cc58f510, 116] (not blocked) Nov 17 22:44:44 verena kernel: s postmaster: 1966 [cc7fc890, 121] (not blocked) Nov 17 22:44:44 verena kernel: s postmaster: 1967 [cc7fcf00, 122] (not blocked) Nov 17 22:44:44 verena kernel: s slpd: 1981 [cc7fd570, 120] (not blocked) Nov 17 22:44:44 verena kernel: s sshd: 1987 [cc500810, 120] (not blocked) Nov 17 22:44:44 verena kernel: s vdrconvert.sh: 1996 [cbcd8f20, 135] (not blocked) Nov 17 22:44:44 verena kernel: s rpc.statd: 2004 [cc782870, 117] (not blocked) Nov 17 22:44:44 verena kernel: s Xvfb: 2005 [cbcd9590, 131] (not blocked) Nov 17 22:44:44 verena kernel: s atd: 2018 [cbcd8240, 118] (not blocked) Nov 17 22:44:44 verena kernel: s cron: 2021 [cc782200, 118] (not blocked) Nov 17 22:44:44 verena kernel: s fcron: 2024 [cbee6f40, 118] (not blocked) Nov 17 22:44:44 verena kernel: s apache: 2031 [cbee68d0, 116] (not blocked) Nov 17 22:44:44 verena kernel: s vdr: 2039 [cb1f4f60, 118] (not blocked) Nov 17 22:44:44 verena kernel: s getty: 2040 [cb1f48f0, 117] (not blocked) Nov 17 22:44:44 verena kernel: s getty: 2043 [ce6ac140, 117] (not blocked) Nov 17 22:44:44 verena kernel: s getty: 2044 [cbee75b0, 117] (not blocked) Nov 17 22:44:44 verena kernel: s getty: 2045 [cbcd88b0, 117] (not blocked) Nov 17 22:44:44 verena kernel: s getty: 2046 [cb1f55d0, 117] (not blocked) Nov 17 22:44:44 verena kernel: s lircd: 2059 [cbee6260, 118] (not blocked) Nov 17 22:44:44 verena kernel: s wait2enc.py: 2060 [cb2815f0, 135] (not blocked) Nov 17 22:44:44 verena kernel: s apache: 2063 [cb280f80, 119] (not blocked) Nov 17 22:44:44 verena kernel: s apache: 2064 [cb280910, 120] (not blocked) Nov 17 22:44:44 verena kernel: s apache: 2065 [cb2802a0, 121] (not blocked) Nov 17 22:44:44 verena kernel: s apache: 2066 [caead610, 122] (not blocked) Nov 17 22:44:44 verena kernel: s apache: 2067 [caeacfa0, 123] (not blocked) Nov 17 22:44:44 verena kernel: s vdradmind.pl: 2078 [caeac2c0, 118] (not blocked) Nov 17 22:44:44 verena kernel: s runvdr: 2079 [cb1f4280, 118] (not blocked) Nov 17 22:44:44 verena kernel: s arm_mon: 2119 [ca3a7630, 119] (not blocked) Nov 17 22:44:44 verena kernel: s sleep: 2139 [c9de0fe0, 136] (not blocked) Nov 17 22:44:44 verena kernel: s vdr: 2147 [ca3a6950, 118] (not blocked) Nov 17 22:44:44 verena kernel: R vdr: 2148 [caeac930, 119] (not blocked) Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: --------------------------- Nov 17 22:44:44 verena kernel: | showing all locks held: | Nov 17 22:44:44 verena kernel: --------------------------- Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #001: [c053ee6c] {&hwif->gendev_rel_sem} Nov 17 22:44:44 verena kernel: .. held by: swapper: 0 [c044cd80, 140] Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data +0x8e/0x180 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #002: [c053ea90] {&drive->gendev_rel_sem} Nov 17 22:44:44 verena kernel: .. held by: swapper: 0 [c044cd80, 140] Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data +0x160/0x180 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #003: [c053ec64] {&drive->gendev_rel_sem} Nov 17 22:44:44 verena kernel: .. held by: swapper: 0 [c044cd80, 140] Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data +0x160/0x180 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #004: [c053f4b4] {&hwif->gendev_rel_sem} Nov 17 22:44:44 verena kernel: .. held by: swapper: 0 [c044cd80, 140] Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data +0x8e/0x180 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #005: [c053f0d8] {&drive->gendev_rel_sem} Nov 17 22:44:44 verena kernel: .. held by: swapper: 0 [c044cd80, 140] Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data +0x160/0x180 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #006: [c053f2ac] {&drive->gendev_rel_sem} Nov 17 22:44:44 verena kernel: .. held by: swapper: 0 [c044cd80, 140] Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data +0x160/0x180 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #007: [c053fafc] {&hwif->gendev_rel_sem} Nov 17 22:44:44 verena kernel: .. held by: swapper: 0 [c044cd80, 140] Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data +0x8e/0x180 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #008: [c053f720] {&drive->gendev_rel_sem} Nov 17 22:44:44 verena kernel: .. held by: swapper: 0 [c044cd80, 140] Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data +0x160/0x180 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #009: [c053f8f4] {&drive->gendev_rel_sem} Nov 17 22:44:44 verena kernel: .. held by: swapper: 0 [c044cd80, 140] Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data +0x160/0x180 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #010: [c0540144] {&hwif->gendev_rel_sem} Nov 17 22:44:44 verena kernel: .. held by: swapper: 0 [c044cd80, 140] Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data +0x8e/0x180 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #011: [c053fd68] {&drive->gendev_rel_sem} Nov 17 22:44:44 verena kernel: .. held by: swapper: 0 [c044cd80, 140] Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data +0x160/0x180 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #012: [c053ff3c] {&drive->gendev_rel_sem} Nov 17 22:44:44 verena kernel: .. held by: swapper: 0 [c044cd80, 140] Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data +0x160/0x180 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #013: [c054078c] {&hwif->gendev_rel_sem} Nov 17 22:44:44 verena kernel: .. held by: swapper: 0 [c044cd80, 140] Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data +0x8e/0x180 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #014: [c05403b0] {&drive->gendev_rel_sem} Nov 17 22:44:44 verena kernel: .. held by: swapper: 0 [c044cd80, 140] Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data +0x160/0x180 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #015: [c0540584] {&drive->gendev_rel_sem} Nov 17 22:44:44 verena kernel: .. held by: swapper: 0 [c044cd80, 140] Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data +0x160/0x180 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #016: [c0540dd4] {&hwif->gendev_rel_sem} Nov 17 22:44:44 verena kernel: .. held by: swapper: 0 [c044cd80, 140] Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data +0x8e/0x180 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #017: [c05409f8] {&drive->gendev_rel_sem} Nov 17 22:44:44 verena kernel: .. held by: swapper: 0 [c044cd80, 140] Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data +0x160/0x180 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #018: [c0540bcc] {&drive->gendev_rel_sem} Nov 17 22:44:44 verena kernel: .. held by: swapper: 0 [c044cd80, 140] Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data +0x160/0x180 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #019: [c054141c] {&hwif->gendev_rel_sem} Nov 17 22:44:44 verena kernel: .. held by: swapper: 0 [c044cd80, 140] Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data +0x8e/0x180 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #020: [c0541040] {&drive->gendev_rel_sem} Nov 17 22:44:44 verena kernel: .. held by: swapper: 0 [c044cd80, 140] Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data +0x160/0x180 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #021: [c0541214] {&drive->gendev_rel_sem} Nov 17 22:44:44 verena kernel: .. held by: swapper: 0 [c044cd80, 140] Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data +0x160/0x180 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #022: [c0541a64] {&hwif->gendev_rel_sem} Nov 17 22:44:44 verena kernel: .. held by: swapper: 0 [c044cd80, 140] Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data +0x8e/0x180 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #023: [c0541688] {&drive->gendev_rel_sem} Nov 17 22:44:44 verena kernel: .. held by: swapper: 0 [c044cd80, 140] Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data +0x160/0x180 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #024: [c054185c] {&drive->gendev_rel_sem} Nov 17 22:44:44 verena kernel: .. held by: swapper: 0 [c044cd80, 140] Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data +0x160/0x180 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #025: [c05420ac] {&hwif->gendev_rel_sem} Nov 17 22:44:44 verena kernel: .. held by: swapper: 0 [c044cd80, 140] Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data +0x8e/0x180 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #026: [c0541cd0] {&drive->gendev_rel_sem} Nov 17 22:44:44 verena kernel: .. held by: swapper: 0 [c044cd80, 140] Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data +0x160/0x180 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #027: [c0541ea4] {&drive->gendev_rel_sem} Nov 17 22:44:44 verena kernel: .. held by: swapper: 0 [c044cd80, 140] Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data +0x160/0x180 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #028: [c05426f4] {&hwif->gendev_rel_sem} Nov 17 22:44:44 verena kernel: .. held by: swapper: 0 [c044cd80, 140] Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data +0x8e/0x180 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #029: [c0542318] {&drive->gendev_rel_sem} Nov 17 22:44:44 verena kernel: .. held by: swapper: 0 [c044cd80, 140] Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data +0x160/0x180 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #030: [c05424ec] {&drive->gendev_rel_sem} Nov 17 22:44:44 verena kernel: .. held by: swapper: 0 [c044cd80, 140] Nov 17 22:44:44 verena kernel: ... acquired at: init_hwif_data +0x160/0x180 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #031: [ccd3dcf0] {&tty->atomic_read} Nov 17 22:44:44 verena kernel: .. held by: getty: 2040 [cb1f48f0, 117] Nov 17 22:44:44 verena kernel: ... acquired at: read_chan+0x6f1/0x750 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #032: [cd66acf0] {&tty->atomic_read} Nov 17 22:44:44 verena kernel: .. held by: getty: 2044 [cbee75b0, 117] Nov 17 22:44:44 verena kernel: ... acquired at: read_chan+0x6f1/0x750 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #033: [cda85cf0] {&tty->atomic_read} Nov 17 22:44:44 verena kernel: .. held by: getty: 2045 [cbcd88b0, 117] Nov 17 22:44:44 verena kernel: ... acquired at: read_chan+0x6f1/0x750 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #034: [cdfe6cf0] {&tty->atomic_read} Nov 17 22:44:44 verena kernel: .. held by: getty: 2046 [cb1f55d0, 117] Nov 17 22:44:44 verena kernel: ... acquired at: read_chan+0x6f1/0x750 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #035: [cb22ccf0] {&tty->atomic_read} Nov 17 22:44:44 verena kernel: .. held by: getty: 2043 [ce6ac140, 117] Nov 17 22:44:44 verena kernel: ... acquired at: read_chan+0x6f1/0x750 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #036: [c9c8fa10] {&fe->sem} Nov 17 22:44:44 verena kernel: .. held by: vdr: 2147 [ca3a6950, 118] Nov 17 22:44:44 verena kernel: ... acquired at: dvb_frontend_start +0x75/0x100 Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: #037: [c045e444] {kernel_sem.lock} Nov 17 22:44:44 verena kernel: .. held by: vdr: 2147 [ca3a6950, 118] Nov 17 22:44:44 verena kernel: ... acquired at: lock_kernel+0x27/0x50 Nov 17 22:44:44 verena kernel: ============================================= Nov 17 22:44:44 verena kernel: Nov 17 22:44:44 verena kernel: [ turning off deadlock detection. Please report this trace. ] -- Christian Meder, email: chris@onestepahead.de The Way-Seeking Mind of a tenzo is actualized by rolling up your sleeves. (Eihei Dogen Zenji) - 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/