From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Tim Sander" Subject: Re: [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7 Date: Thu, 11 Aug 2011 18:41:09 +0200 Message-ID: <201108111841.10270.tim.sander@hbm.com> References: <1312580681.28695.44.camel@twins> <1313079285.8491.4.camel@twins> <201108111822.54953.tim.sander@hbm.com> Mime-Version: 1.0 Content-Type: text/Plain; charset=ISO-8859-15 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: "linux-kernel" , "Thomas Gleixner" , "Paul E. McKenney" , "linux-rt-users" To: "Peter Zijlstra" Return-path: Received: from gateway.hbm.com ([213.157.30.2]:11732 "EHLO hbmntx5.hbm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751393Ab1HKQl1 convert rfc822-to-8bit (ORCPT ); Thu, 11 Aug 2011 12:41:27 -0400 Content-class: urn:content-classes:message In-Reply-To: <201108111822.54953.tim.sander@hbm.com> Sender: linux-rt-users-owner@vger.kernel.org List-ID: Hi Peter Am Donnerstag, 11. August 2011, 18:22:54 schrieb Tim Sander: > Am Donnerstag, 11. August 2011, 18:14:45 schrieb Peter Zijlstra: > > On Thu, 2011-08-11 at 18:04 +0200, Tim Sander wrote: > > > kernel BUG at kernel/posix-cpu-timers.c:1315! > > > Unable to handle kernel NULL pointer dereference at virtual addre= ss > > > 00000000 pgd =3D c0004000 > > > [00000000] *pgd=3D00000000 > > > Internal error: Oops: 817 [#1] PREEMPT > > > Modules linked in: i2c_imx(+) netx netx_reset dspload fpgaload > > > mxc_nand(+) nand nand_ids nand_ecc CPU: 0 Not tainted > > > (3.0.0-pmx-rt8-00009-g39305ab #167) > > > PC is at __bug+0x24/0x30 > > > LR is at walk_stackframe+0x24/0x40 > > > pc : [] lr : [] psr: 60000113 > > > sp : c782ff40 ip : c782fe28 fp : c782ff4c > > > r10: 00000001 r9 : 00000000 r8 : c78663c0 > > > r7 : c030463c r6 : c782e000 r5 : 00000000 r4 : c78663c0 > > > r3 : 00000000 r2 : 00000001 r1 : c782fe58 r0 : 00000034 > > > Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kern= el > > > Control: 00c5387d Table: 87b70008 DAC: 00000017 > > > Process posixcputmr/0 (pid: 6, stack limit =3D 0xc782e268) > > > Stack: (0xc782ff40 to 0xc7830000) > > > ff40: c782ff8c c782ff50 c005a5c0 c002cbd8 00000000 c782ff54 c782f= f54 > > > 00000000 ff60: 00000000 c78663c0 00000000 c782e000 c030463c c7866= 3c0 > > > 00000000 00000001 ff80: c782ffbc c782ff90 c005a88c c005a594 00000= 000 > > > c7817f28 00000000 c782ffcc ffa0: c005a800 00000000 00000000 00000= 000 > > > c782fff4 c782ffc0 c00570f0 c005a80c ffc0: c7817f28 00000000 00000= 000 > > > 00000000 c782ffd0 c782ffd0 c7817f28 c0057064 ffe0: c0040868 00000= 013 > > > 00000000 c782fff8 c0040868 c0057070 cccdcd6c ffdec890 Backtrace: > > > [] (__bug+0x0/0x30) from [] > > > (__run_posix_cpu_timers+0x38/0x278) [] > > > (__run_posix_cpu_timers+0x0/0x278) from [] > > > (posix_cpu_timers_thread+0x8c/0x124) [] > > > (posix_cpu_timers_thread+0x0/0x124) from [] > > > (kthread+0x8c/0x94) [] (kthread+0x0/0x94) from [] > > > (do_exit+0x0/0x2d8) > > >=20 > > > r7:00000013 r6:c0040868 r5:c0057064 r4:c7817f28 > > >=20 > > > Code: e59f0010 e1a01003 eb086a88 e3a03000 (e5833000) > > > ---[ end trace d632afeaa11559d4 ]--- > >=20 > > Yay a new one, and this is a PREEMPT_LL build right? /me goes poke = at > > it. The last email was wrong, it was INDEED a CONFIG_PREEMPT_LL=3Dy config. I checked the /proc/config.gz file. It is also the rt8 kernel based on = the 3.0 (and NOT the 3.0.1) kernel. Will test the stuff on 3.0.1 later or t= omorrow. Sorry i just compiled to much kernels today... Best regards Tim 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. It is intended solely fo= r the addressee. If you are not the intended recipient, please let me k= now and delete this email. Die in dieser E-Mail enthaltene Information ist vertraulich und ledigli= ch f=FCr den Empfaenger bestimmt. Sollten Sie nicht der eigentliche Emp= faenger sein, informieren Sie mich bitte kurz und loeschen diese E-Mail= =2E -- To unsubscribe from this list: send the line "unsubscribe linux-rt-user= s" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html