From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DC223C7618F for ; Mon, 22 Jul 2019 16:57:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B93D5219BE for ; Mon, 22 Jul 2019 16:57:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730121AbfGVQ52 (ORCPT ); Mon, 22 Jul 2019 12:57:28 -0400 Received: from scorn.kernelslacker.org ([45.56.101.199]:36182 "EHLO scorn.kernelslacker.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729728AbfGVQ51 (ORCPT ); Mon, 22 Jul 2019 12:57:27 -0400 X-Greylist: delayed 1166 seconds by postgrey-1.27 at vger.kernel.org; Mon, 22 Jul 2019 12:57:27 EDT Received: from [2601:196:4600:6634:ae9e:17ff:feb7:72ca] (helo=wopr.kernelslacker.org) by scorn.kernelslacker.org with esmtp (Exim 4.92) (envelope-from ) id 1hpbK3-0000th-Ut; Mon, 22 Jul 2019 12:38:00 -0400 Received: by wopr.kernelslacker.org (Postfix, from userid 1026) id 9239D5601D8; Mon, 22 Jul 2019 12:37:59 -0400 (EDT) Date: Mon, 22 Jul 2019 12:37:59 -0400 From: Dave Jones To: Linux Kernel Cc: Christoph Hellwig Subject: 5.3-rc1 panic in dma_direct_max_mapping_size Message-ID: <20190722163759.GA28686@codemonkey.org.uk> Mail-Followup-To: Dave Jones , Linux Kernel , Christoph Hellwig MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org only got a partial panic, but when I threw 5.3-rc1 on a linode vm, it hit this: bus_add_driver+0x1a9/0x1c0 ? scsi_init_sysctl+0x22/0x22 driver_register+0x6b/0xa6 ? scsi_init_sysctl+0x22/0x22 init+0x86/0xcc do_one_initcall+0x69/0x334 kernel_init_freeable+0x367/0x3ff ? rest_init+0x247/0x247 kernel_init+0xa/0xf9 ret_from_fork+0x3a/0x50 CR2: 0000000000000000 ---[ end trace 2967cd16f7b1a303 ]--- RIP: 0010:dma_direct_max_mapping_size+0x21/0x71 Code: 0f b6 c0 c3 0f 1f 44 00 00 0f 1f 44 00 00 55 53 48 89 fb e8 21 0e 00 00 84 c0 74 2c 48 8b 83 20 03 00 00 48 8b ab 30 03 00 00 <48> 8b 00 48 85 c0 75 20 48 89 df e8 ff f3 ff ff 48 39 e8 77 2c 83 RSP: 0018:ffffb58f00013ae8 EFLAGS: 00010202 RAX: 0000000000000000 RBX: ffffa35ff8914ac8 RCX: ffffb58f00013a1c RDX: ffffa35ff81d4658 RSI: 000000000000007e RDI: ffffa35ff8914ac8 RBP: 0000000000000000 R08: ffffa35ff81d4cc0 R09: ffffa35ff82e3bc8 R10: 0000000000000000 R11: 0000000000000000 R12: ffffa35ff8914ac8 R13: 000000000000ffff R14: ffffa35ff826c160 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffffa35ffba00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000012d220001 CR4: 00000000003606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000009 Kernel Offset: 0x1b000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) Will try and get some more debug info this evening if it isn't obvious from the above. Dave