Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933577AbbGUV3E (ORCPT ); Tue, 21 Jul 2015 17:29:04 -0400 Received: from mail-ie0-f174.google.com ([209.85.223.174]:34141 "EHLO mail-ie0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933511AbbGUV3B (ORCPT ); Tue, 21 Jul 2015 17:29:01 -0400 Date: Tue, 21 Jul 2015 16:28:52 -0500 From: Michael Welling To: Pavel Machek Cc: Pali =?iso-8859-1?Q?Roh=E1r?= , Sebastian Reichel , Tony Lindgren , Ivaylo Dimitrov , Aaro Koskinen , Nishanth Menon , linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: linux 4.2-rc1 broken Nokia N900 Message-ID: <20150721212852.GA29640@deathstar> References: <201507111405.06048@pali> <201507132234.22082@pali> <20150713215232.GA22584@deathray> <201507140002.44119@pali> <20150713223607.GA23001@deathray> <20150714071412.GA12844@pali> <20150720204647.GA11931@deathstar> <20150721093441.GA23241@amd> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150721093441.GA23241@amd> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5352 Lines: 76 On Tue, Jul 21, 2015 at 11:34:41AM +0200, Pavel Machek wrote: > Actually.. for the record I'm _not_ using modules. So either I hit > something different, or problem happens regardless of modules. > Pavel I was able to reproduce the error by using my Beagleboard. I added a registration for the tsc2005 and built the driver as a module. [ 4.318878] Unhandled fault: external abort on non-linefetch (0x1028) at 0xfa09802c [ 4.326934] pgd = cf114000 [ 4.329742] [fa09802c] *pgd=48011452(bad) [ 4.333953] Internal error: : 1028 [#1] PREEMPT ARM [ 4.339050] Modules linked in: tsc2005(+) twl4030_wdt(+) rtc_twl(+) omap_ssi hsi [ 4.346832] CPU: 0 PID: 74 Comm: udevd Not tainted 4.2.0-rc3+ #2 [ 4.353118] Hardware name: Generic OMAP3-GP (Flattened Device Tree) [ 4.359680] task: cf0a8f00 ti: cf112000 task.ti: cf112000 [ 4.365356] PC is at omap2_mcspi_set_cs+0x3c/0x44 [ 4.370269] LR is at spi_setup+0xd4/0x10c [ 4.374450] pc : [] lr : [] psr: 200f0113 [ 4.374450] sp : cf113d48 ip : 00000001 fp : 00000fff [ 4.386474] r10: cf31ffe4 r9 : 00000000 r8 : 00000008 [ 4.391937] r7 : 00000fff r6 : 00000000 r5 : 00000000 r4 : cfbdbe00 [ 4.398773] r3 : 200103dc r2 : fa098000 r1 : 00000001 r0 : cfbdbe00 [ 4.405578] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user [ 4.413055] Control: 10c5387d Table: 8f114019 DAC: 00000015 [ 4.419067] Process udevd (pid: 74, stack limit = 0xcf112210) [ 4.425079] Stack: (0xcf113d48 to 0xcf114000) [ 4.429626] 3d40: cfbdbe00 cfbdbe00 cfce7ab8 bf017ac8 cfbdd5a0 c015dc08 [ 4.438201] 3d60: cf352190 00000000 00000fff 00000004 00000008 00000002 00000118 00001f40 [ 4.446746] 3d80: 00000001 bf0183cc cfbdbe00 00000000 bf0183dc 00000008 00000001 cf31ffe4 [ 4.455322] 3da0: cf31ffc8 c0326458 c0326408 cfbdbe00 c073e81c c02e7ca0 cfbdbe00 cfbdbe34 [ 4.463867] 3dc0: bf0183dc c06e8254 c06aefe0 c02e7e6c 00000000 bf0183dc c02e7e04 c02e6530 [ 4.472442] 3de0: cf964c4c cfbd89b0 bf0183dc 00000000 cf322200 c02e74e8 bf01830f bf018310 [ 4.480987] 3e00: 00000000 bf0183dc bf01a000 00000000 c06aefe0 c02e8904 00000000 cf353080 [ 4.489562] 3e20: bf01a000 c0009640 cf978000 00000001 00000000 00000000 00000001 00000000 [ 4.498107] 3e40: cf07c008 00150013 cf07c000 600f0113 c06db824 c06db824 cfedf9c0 0040003f [ 4.506683] 3e60: cfedf9c0 00150013 cfcf9000 00080000 cf801f00 000000d0 bf018440 bf018440 [ 4.515228] 3e80: 00000001 cf353040 bf018488 cf31ffc0 00000001 c046c4b8 bf018440 c06ffb90 [ 4.523803] 3ea0: cf113f58 00000001 bf018440 c00875b0 bf01844c 00007fff 00000000 c0084f8c [ 4.532348] 3ec0: c0084b28 bf018614 bf018640 00000000 00026d29 d09c503c b6f0aec0 c0084c60 [ 4.540924] 3ee0: d09a8000 00026d29 000003e9 00000000 0b300002 00000000 00000000 00000000 [ 4.549468] 3f00: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 4.558044] 3f20: 00000000 00000000 00000000 00000000 00000138 00000000 b6f0aec0 00000005 [ 4.566589] 3f40: 0000017b c000ebc4 cf112000 00000000 bef58e70 c0087bec d09a8000 00026d29 [ 4.575134] 3f60: d09c4934 d09c4764 d09ce71c 00001640 000019e0 00000000 00000000 00000000 [ 4.583709] 3f80: 0000002d 0000002e 00000017 00000014 00000012 00000000 00000000 0004a898 [ 4.592254] 3fa0: 00000000 c000ea40 00000000 0004a898 00000005 b6f0aec0 00000000 00020000 [ 4.600830] 3fc0: 00000000 0004a898 00000000 0000017b 00000000 0004a898 0004aa30 bef58e70 [ 4.609374] 3fe0: bef58d98 bef58d88 b6f0399c b6e93ed0 60070010 00000005 00000000 00000000 [ 4.617950] [] (omap2_mcspi_set_cs) from [] (spi_setup+0xd4/0x10c) [ 4.626281] [] (spi_setup) from [] (tsc2005_probe+0x108/0x5d4 [tsc2005]) [ 4.635131] [] (tsc2005_probe [tsc2005]) from [] (spi_drv_probe+0x50/0x6c) [ 4.644165] [] (spi_drv_probe) from [] (driver_probe_device+0xf4/0x258) [ 4.652893] [] (driver_probe_device) from [] (__driver_attach+0x68/0x8c) [ 4.661743] [] (__driver_attach) from [] (bus_for_each_dev+0x6c/0x90) [ 4.670318] [] (bus_for_each_dev) from [] (bus_add_driver+0xcc/0x1e4) [ 4.678863] [] (bus_add_driver) from [] (driver_register+0x9c/0xe0) [ 4.687255] [] (driver_register) from [] (do_one_initcall+0x100/0x1b0) [ 4.695922] [] (do_one_initcall) from [] (do_init_module+0x58/0x1c0) [ 4.704406] [] (do_init_module) from [] (load_module+0x16ac/0x1b64) [ 4.712799] [] (load_module) from [] (SyS_finit_module+0x60/0x68) [ 4.721008] [] (SyS_finit_module) from [] (ret_fast_syscall+0x0/0x3c) [ 4.729553] Code: e5823018 e5902188 e5922000 e582302c (e592302c) [ 4.735961] ---[ end trace 375298308353557f ]--- Now to figure out why this is happening. > -- > (english) http://www.livejournal.com/~pavelmachek > (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- 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/