Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758066AbbLBMen (ORCPT ); Wed, 2 Dec 2015 07:34:43 -0500 Received: from dgate20.ts.fujitsu.com ([80.70.172.51]:62164 "EHLO dgate20.ts.fujitsu.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755328AbbLBMel (ORCPT ); Wed, 2 Dec 2015 07:34:41 -0500 DomainKey-Signature: s=s1536a; d=ts.fujitsu.com; c=nofws; q=dns; h=X-SBRSScore:Received:Received:From:To:CC:Date:Subject: Thread-Topic:Thread-Index:Message-ID:References: In-Reply-To:Accept-Language:Content-Language: X-MS-Has-Attach:X-MS-TNEF-Correlator:acceptlanguage: Content-Type:Content-Transfer-Encoding:MIME-Version; b=NkIcUYWex5+eY4YV/8RyOO47EBYbnWbWnB7EAPvHEOlSwVMzRcrN29c6 5NTTdt3kJNhEzVZhFL14JYzkuOFYpGg8/GkGAKFLRkEVGvdKsAn/Jr4DC /bYk0Y6CMha/Zb4KbYvHSfGRt9VzDLZGB0ETt3Lwu65oNpRNgnWOnb+ZQ YmVnkKizjsB8fucgVzqMqAkvwyJDGvJz1jUxKcB29AsXrychPCaU0ADoK gJbgwFS/hHHA0xvjx1J7dEHpXf4zJ; X-SBRSScore: None From: "Wilck, Martin" To: Jason Gunthorpe CC: Jarkko Sakkinen , "tpmdd-devel@lists.sourceforge.net" , "linux-kernel@vger.kernel.org" , Peter Huewe , =?utf-8?B?VXdlIEtsZWluZS1Lw7ZuaWc=?= Date: Wed, 2 Dec 2015 13:34:38 +0100 Subject: Re: [PATCH v2 0/3] tpm_tis: Clean up force module parameter Thread-Topic: [PATCH v2 0/3] tpm_tis: Clean up force module parameter Thread-Index: AdEs/c8w71sfjV2mQjGZyjeRwCNHMw== Message-ID: References: <1448996309-15220-1-git-send-email-jgunthorpe@obsidianresearch.com> In-Reply-To: <1448996309-15220-1-git-send-email-jgunthorpe@obsidianresearch.com> Accept-Language: de-DE, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: de-DE, en-US Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by mail.home.local id tB2CYmuZ003892 Content-Length: 4681 Lines: 68 On Di, 2015-12-01 at 11:58 -0700, Jason Gunthorpe wrote: > Martin, this should fix the double loading you noticed, please confirm. There > is a possibility the force path needs a bit more code to be compatible with > devm_ioremap_resource, I'm not sure, hoping not. Nope, this one oopses in the ACPI probing path. [ 12.287350] tpm_tis MSFT0101:00: invalid resource [ 12.292625] BUG: unable to handle kernel paging request at ffffffffffffffea [ 12.300427] IP: [] ioread8+0x31/0x40 [ 12.306188] PGD 1a19067 PUD 1a1b067 PMD 0 [ 12.310793] Oops: 0000 [#1] SMP [ 12.314416] Modules linked in: tpm_tis(+) nfsd auth_rpcgss nfs_acl lockd grace sunrpc sch_fq_codel ip_tables xfs libcrc32c sr_mod cdrom sd_mod mgag200 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ahci ttm libahci drm be2net vxlan libata ip6_udp_tunnel udp_tunnel [ 12.343483] CPU: 14 PID: 826 Comm: systemd-udevd Not tainted 4.4.0-rc2+ #15 [ 12.351263] Hardware name: FUJITSU PRIMERGY RX2530 M1/D3279-B1, BIOS V5.0.0.11 R0.74.0 for D3279-B1x 09/21/2015 [ 12.364367] task: ffff88046bd52a80 ti: ffff88046bc94000 task.ti: ffff88046bc94000 [ 12.372720] RIP: 0010:[] [] ioread8+0x31/0x40 [ 12.381205] RSP: 0018:ffff88046bc97a60 EFLAGS: 00010296 [ 12.387142] RAX: ffffffffffffffea RBX: ffff88086ce27800 RCX: 0000000000000000 [ 12.395113] RDX: 0000000000000001 RSI: ffff88086f10dff8 RDI: ffffffffffffffea [ 12.403077] RBP: ffff88046bc97ab0 R08: 000000000000000a R09: 0000000000000000 [ 12.411042] R10: 0000000000000000 R11: 00000000000003ea R12: 00000000fffb9d01 [ 12.419006] R13: ffff88086c6e0a68 R14: ffff88046bc97ad0 R15: ffff88046f4f8118 [ 12.426972] FS: 00007fa4af348880(0000) GS:ffff88086f100000(0000) knlGS:0000000000000000 [ 12.436002] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 12.442414] CR2: ffffffffffffffea CR3: 000000046bd7b000 CR4: 00000000001406e0 [ 12.450378] Stack: [ 12.452622] ffffffffa0121f21 ffff88046bc97ac0 ffffffffa0121600 ffff88046bc97ad0 [ 12.460922] 0000000071883a14 ffff88086c6e0800 ffff88046bc97ad0 ffff88046bc97ac0 [ 12.469221] 0000000000000009 ffff88046a44f540 ffff88046bc97b30 ffffffffa0122772 [ 12.477518] Call Trace: [ 12.480252] [] ? tpm_tis_init+0xf1/0x750 [tpm_tis] [ 12.487451] [] ? tpm_tis_probe_irq_single+0x160/0x160 [tpm_tis] [ 12.495894] [] tpm_tis_acpi_init+0xb2/0x120 [tpm_tis] [ 12.503387] [] acpi_device_probe+0x4a/0xf7 [ 12.509809] [] driver_probe_device+0x169/0x450 [ 12.516620] [] __driver_attach+0x85/0x90 [ 12.522839] [] ? driver_probe_device+0x450/0x450 [ 12.529837] [] bus_for_each_dev+0x6c/0xc0 [ 12.536161] [] driver_attach+0x1e/0x20 [ 12.542188] [] bus_add_driver+0x1d0/0x290 [ 12.548510] [] ? 0xffffffffa013d000 [ 12.554244] [] driver_register+0x60/0xe0 [ 12.560463] [] acpi_bus_register_driver+0x3b/0x43 [ 12.567564] [] init_tis+0x8f/0x1000 [tpm_tis] [ 12.574279] [] ? kasprintf+0x4e/0x70 [ 12.580116] [] ? 0xffffffffa013d000 [ 12.585853] [] do_one_initcall+0xcd/0x1f0 [ 12.592171] [] ? kmem_cache_alloc_trace+0x17b/0x1e0 [ 12.599468] [] ? do_init_module+0x27/0x1e8 [ 12.605890] [] do_init_module+0x60/0x1e8 [ 12.612111] [] load_module+0x1c2e/0x24c0 [ 12.618330] [] ? __symbol_put+0x60/0x60 [ 12.624453] [] ? copy_module_from_fd.isra.54+0x110/0x160 [ 12.632229] [] SyS_finit_module+0x9f/0xd0 [ 12.638549] [] entry_SYSCALL_64_fastpath+0x12/0x71 [ 12.645745] Code: 00 77 28 48 81 ff 00 00 01 00 76 08 0f b7 d7 ec 0f b6 c0 c3 55 48 c7 c6 10 fc 94 81 48 89 e5 e8 96 ff ff ff b8 ff 00 00 00 5d c3 <8a> 07 0f b6 c0 c3 66 0f 1f 84 00 00 00 00 00 48 81 ff ff ff 03 [ 12.667510] RIP [] ioread8+0x31/0x40 [ 12.673353] RSP [ 12.677244] CR2: ffffffffffffffea [ 12.680943] ---[ end trace 5854533536fd5101 ]--- [ 12.687465] Kernel panic - not syncing: Fatal exception [ 12.693338] Kernel Offset: disabled [ 12.701145] ---[ end Kernel panic - not syncing: Fatal exception ????{.n?+???????+%?????ݶ??w??{.n?+????{??G?????{ay?ʇڙ?,j??f???h?????????z_??(?階?ݢj"???m??????G????????????&???~???iO???z??v?^?m????????????I?