From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Tim Sander" Subject: Re: [ANNOUNCE] 3.2-rc6-rt9 - bugsplat Date: Wed, 18 Jan 2012 15:33:26 +0100 Message-ID: <201201181533.26301.tim.sander@hbm.com> References: Mime-Version: 1.0 Content-Type: text/Plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: "LKML" , "linux-rt-users" , "Steven Rostedt" To: "Thomas Gleixner" Return-path: Received: from relay.medianet-world.de ([213.157.0.172]:29711 "HELO relay.medianet-world.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1757705Ab2AROev convert rfc822-to-8bit (ORCPT ); Wed, 18 Jan 2012 09:34:51 -0500 Content-Class: urn:content-classes:message In-reply-to: Sender: linux-rt-users-owner@vger.kernel.org List-ID: Hi Thomas I am reporting for 3.2-rt10 (which was not announced, so just replyed t= o the latest announcement...) The platform is an arm i.mx35 pcm043 with local modifications. I just managed to get 3.2-rt10 up and running. It just showed a bugspla= t when i tried to reproduce the=20 error reported with the 3.0-rt series: "ksoftirq running wild". This se= gfault occoured probably at the same=20 time the ksoftirqd problem started with 3.0-rt. Best regards Tim fpga: try to mmap (normal) fpga: hbm_mmap_kmem finished init: avahi-autoip main process (490) terminated with status 1 init: avahi-autoip main process ended, respawning eth0: Freescale FEC PHY driver [Micrel KS8041] (mii_bus:phy_addr=3D1:00= , irq=3D-1) eth0: no IPv6 routers present =46EC: MDIO read timeout PHY: 1:00 - Link is Up - 100/Full Unable to handle kernel NULL pointer dereference at virtual address 000= 00000 pgd =3D c7044000 [00000000] *pgd=3D87b01831, *pte=3D00000000, *ppte=3D00000000 Internal error: Oops: 17 [#1] PREEMPT Modules linked in: canterm(O) iptable_nat nf_nat nf_conntrack_ipv4 nf_c= onntrack nf_defrag_ipv4 ip_tables msp(O) ipv6 fpga(O) af_packet i2c_imx= netx(O) netx_reset(O)=20 systemled(O) dspload(O) fpgaload(O) mxc_nand nand nand_ids nand_ecc CPU: 0 Tainted: G O (3.2.0-rt10-00008-ga71a9ff-dirty #194= ) PC is at rt_mutex_slowunlock+0x18/0x8c LR is at walk_stackframe+0x24/0x40 pc : [] lr : [] psr: 60000013 sp : c7383d90 ip : c7383d30 fp : c7383da4 r10: ffffffff r9 : 00000000 r8 : c0324504 r7 : c734178c r6 : 00000003 r5 : 00000000 r4 : c73416e0 r3 : 00000000 r2 : c7383d90 r1 : c7383d60 r0 : c0019234 =46lags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 00c5387d Table: 87044008 DAC: 00000015 Process ifconfig (pid: 597, stack limit =3D 0xc7382268) Stack: (0xc7383d90 to 0xc7384000) 3d80: c73416e0 40000013 c7383db4 c7= 383da8 3da0: c0235d5c c0235ccc c7383ddc c7383db8 c00566cc c0235d58 00000003 c7= 068800 3dc0: 00000000 c7068b14 c78ca000 00000002 c7383dec c7383de0 c0056728 c0= 05659c 3de0: c7383e1c c7383df0 bf043558 c00566f0 bf0433fc 00000002 00000000 ff= fffff9 3e00: bf085b94 c78ca000 c7383ed0 00000000 c7383e44 c7383e20 c003f11c bf= 043408 3e20: ffffffff c78ca000 00000002 00000000 c78da560 c7b5c468 c7383e5c c7= 383e48 3e40: c003f1b8 c003f0e8 00000000 c7383e58 c7383e74 c7383e60 c01c27f8 c0= 03f1a4 3e60: c78ca000 00000001 c7383e8c c7383e78 c01c4cc8 c01c27c0 c78ca000 00= 001003 3e80: c7383eac c7383e90 c01c4d3c c01c4ca0 00000000 c7b4b860 00000000 c7= 8ca000 3ea0: c7383f1c c7383eb0 c020d914 c01c4d04 c03406a0 bee59f18 00008914 be= e59c38 3ec0: 30687465 00000000 00000000 00000000 00061042 bee59f18 0005543c 00= 000000 3ee0: 00061042 bee59f18 0005543c 00000000 30687465 0000891c bee59c38 00= 008914 3f00: 00000003 c000dee4 c7382000 00000000 c7383f34 c7383f20 c020ea08 c0= 20d620 3f20: c748f6c0 00008914 c7383f54 c7383f38 c01b0f64 c020e948 c01b0d5c c7= bfe560 3f40: bee59c38 00008914 c7383f7c c7383f58 c0090ea4 c01b0d68 c7383f74 c7= 383f68 3f60: c7bfe560 bee59c38 00008914 00000003 c7383fa4 c7383f80 c0090f20 c0= 090c28 3f80: c7383fac 00000000 0005ad94 bee59e3c bee59f26 00000036 00000000 c7= 383fa8 3fa0: c000dd60 c0090eec 0005ad94 bee59e3c 00000003 00008914 bee59c38 00= 05ad94 3fc0: 0005ad94 bee59e3c bee59f26 00000036 00055c74 00000000 00000000 00= 000000 3fe0: 000000f5 bee59c18 0000f224 401ad32c 60000010 00000003 980c8108 54= 2a4c44 Backtrace:=20 [] (rt_mutex_slowunlock+0x0/0x8c) from [] (rt_mutex= _unlock+0x10/0x14) r5:40000013 r4:c73416e0 [] (rt_mutex_unlock+0x0/0x14) from [] (rcu_read_unl= ock_special+0x13c/0x154) [] (rcu_read_unlock_special+0x0/0x154) from [] (__r= cu_read_unlock+0x44/0x48) r8:00000002 r7:c78ca000 r6:c7068b14 r5:00000000 r4:c7068800 r3:00000003 [] (__rcu_read_unlock+0x0/0x48) from [] (packet_not= ifier+0x15c/0x168 [af_packet]) [] (packet_notifier+0x0/0x168 [af_packet]) from [] = (notifier_call_chain+0x40/0x70) [] (notifier_call_chain+0x0/0x70) from [] (raw_noti= fier_call_chain+0x20/0x28) r8:c7b5c468 r7:c78da560 r6:00000000 r5:00000002 r4:c78ca000 r3:ffffffff [] (raw_notifier_call_chain+0x0/0x28) from [] (call= _netdevice_notifiers+0x44/0x58) [] (call_netdevice_notifiers+0x0/0x58) from [] (__d= ev_notify_flags+0x34/0x64) r5:00000001 r4:c78ca000 [] (__dev_notify_flags+0x0/0x64) from [] (dev_chang= e_flags+0x44/0x4c) r5:00001003 r4:c78ca000 [] (dev_change_flags+0x0/0x4c) from [] (devinet_ioc= tl+0x300/0x690) r6:c78ca000 r5:00000000 r4:c7b4b860 r3:00000000 [] (devinet_ioctl+0x0/0x690) from [] (inet_ioctl+0x= cc/0x104) [] (inet_ioctl+0x0/0x104) from [] (sock_ioctl+0x208= /0x25c) r4:00008914 r3:c748f6c0 [] (sock_ioctl+0x0/0x25c) from [] (do_vfs_ioctl+0x2= 88/0x2c4) r6:00008914 r5:bee59c38 r4:c7bfe560 r3:c01b0d5c [] (do_vfs_ioctl+0x0/0x2c4) from [] (sys_ioctl+0x40= /0x64) r7:00000003 r6:00008914 r5:bee59c38 r4:c7bfe560 [] (sys_ioctl+0x0/0x64) from [] (ret_fast_syscall+0= x0/0x30) r7:00000036 r6:bee59f26 r5:bee59e3c r4:0005ad94 Code: e24cb004 e1a05000 e3a00001 ebf78d20 (e5953000)=20 Segmentation fault Hottinger Baldwin Messtechnik GmbH, Im Tiefen See 45, 64293 Darmstadt, = Germany | www.hbm.com=20 Registered as GmbH (German limited liability corporation) in the commer= cial register at the local court of Darmstadt, HRB 1147 =20 Company domiciled in Darmstadt | CEO: Andreas Huellhorst | Chairman of = the board: James Charles Webster Als Gesellschaft mit beschraenkter Haftung eingetragen im Handelsregist= er des Amtsgerichts Darmstadt unter HRB 1147=20 Sitz der Gesellschaft: Darmstadt | Geschaeftsfuehrung: Andreas Huellhor= st | Aufsichtsratsvorsitzender: James Charles Webster The information in this email is confidential. 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