Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757507AbbLCHsF (ORCPT ); Thu, 3 Dec 2015 02:48:05 -0500 Received: from axentia.se ([87.96.186.132]:56743 "EHLO EMAIL.axentia.se" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750905AbbLCHsD convert rfc822-to-8bit (ORCPT ); Thu, 3 Dec 2015 02:48:03 -0500 From: Peter Rosin To: "Russell King (rmk+kernel@arm.linux.org.uk)" CC: "'linux-arm-kernel@lists.infradead.org'" , "'linux-kernel@vger.kernel.org'" Subject: Domain faults when CONFIG_CPU_SW_DOMAIN_PAN is enabled Thread-Topic: Domain faults when CONFIG_CPU_SW_DOMAIN_PAN is enabled Thread-Index: AdEtnmv+793Els3qRoSjRBiCkZdNQQ== Date: Thu, 3 Dec 2015 07:43:11 +0000 Message-ID: <6ae83861a7c8436d983ef99cd1b48a76@EMAIL.axentia.se> Accept-Language: en-US, sv-SE Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [217.210.101.82] x-gfi-smtp-submission: 1 x-gfi-smtp-hellodomain: EMAIL.axentia.se x-gfi-smtp-remoteip: 192.168.2.5 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2282 Lines: 48 Hi! If I enable CONFIG_CPU_SW_DOMAIN_PAN, I sometimes (but not always) get the following (or very similar) on boot. Cheers, Peter Unhandled fault: page domain fault (0x81b) at 0x00086578 pgd = c2810000 [00086578] *pgd=22819831, *pte=224fe34f, *ppte=224fe83f Internal error: : 81b [#1] ARM Modules linked in: CPU: 0 PID: 907 Comm: ntpd Not tainted 4.3.0+ #29 Hardware name: Atmel SAMA5 task: c398dac0 ti: c2804000 task.ti: c2804000 PC is at memcpy+0x50/0x330 LR is at 0x1 pc : []??? lr : [<00000001>]??? psr: 80070013 sp : c2805ed4? ip : 00000007? fp : 000d3808 r10: 00000000? r9 : 00000080? r8 : 00000001 r7 : 00000010? r6 : 00000010? r5 : 003f7374? r4 : 00000000 r3 : 00000002? r2 : ffffffe0? r1 : c2805f38? r0 : 00086578 Flags: Nzcv? IRQs on? FIQs on? Mode SVC_32? ISA ARM? Segment none Control: 10c53c7d? Table: 22810059? DAC: 00000051 Process ntpd (pid: 907, stack limit = 0xc2804208) Stack: (0xc2805ed4 to 0xc2806000) 5ec0:????????????????????????????????????????????? 00000000 c2804000 00000000 5ee0: c2805f18 00086578 00086578 c01e76c4 c2819218 c2ff3b74 000d4344 00086578 5f00: 00000000 00000051 0000007c c0010224 c2804000 c004c988 00000002 00000000 5f20: 003f7374 00000010 00000010 00000001 00000007 00000001 01f40000 565ff060 5f40: 000183ef 00002710 00000000 00000000 00000000 00000000 00000000 00000000 5f60: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5f80: 00000000 00000000 00000000 00000000 00000000 00000000 000d3968 0005e38f 5fa0: 000d4344 c0010060 000d3968 0005e38f 00086578 00000000 ffffffff 00000001 5fc0: 000d3968 0005e38f 000d4344 0000007c 000d3814 00000001 000d4338 000d3808 5fe0: 00081e7c bec558b4 00026d3d b6d09126 00000030 00086578 009e3675 2a090bb6 [] (memcpy) from [] (__copy_to_user_memcpy+0x138/0x17c) [] (__copy_to_user_memcpy) from [] (SyS_adjtimex+0xd4/0xf0) [] (SyS_adjtimex) from [] (ret_fast_syscall+0x0/0x3c) Code: f5d1f05c f5d1f07c e8b151f8 e2522020 (e8a051f8) ---[ end trace 04981945a3df2e5e ]--- -- 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/