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[209.132.180.67]) by mx.google.com with ESMTP id r14-v6si23633030pli.447.2018.09.19.07.19.26; Wed, 19 Sep 2018 07:19:41 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732138AbeISTcO (ORCPT + 99 others); Wed, 19 Sep 2018 15:32:14 -0400 Received: from smtp20.cstnet.cn ([159.226.251.20]:54162 "EHLO cstnet.cn" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727771AbeISTcO (ORCPT ); Wed, 19 Sep 2018 15:32:14 -0400 Received: from [172.20.20.131] (unknown [182.150.46.145]) by APP-10 (Coremail) with SMTP id tACowAB3fWHrVKJbqEtHDA--.5307S2; Wed, 19 Sep 2018 21:53:48 +0800 (CST) From: Pu Wen Subject: Re: [LKP] [x86/pci] 7ffb31888c: PANIC:early_exception To: kernel test robot Cc: bp@alien8.de, tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, x86@kernel.org, thomas.lendacky@amd.com, helgaas@kernel.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-pci@vger.kernel.org, lkp@01.org References: <20180919031923.GC8820@shao2-debian> Message-ID: <4f5166f8-97b8-a58f-3e5d-19d1751a4601@hygon.cn> Date: Wed, 19 Sep 2018 21:53:45 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20180919031923.GC8820@shao2-debian> Content-Type: text/plain; charset=windows-1252 Content-Language: en-US Content-Transfer-Encoding: 7bit X-CM-TRANSID: tACowAB3fWHrVKJbqEtHDA--.5307S2 X-Coremail-Antispam: 1UD129KBjvJXoW7CF43Cr1kKw4DZr1fKF18Grg_yoW8ury7pF yUXr1DGr48JF1UJr1UJF15Cw12krnrZ3WUXr17Gr18AF18W3WUJr18ArWUtw1DJr4DXry2 yrWDJ3WxtrWUKaUanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUvEb7Iv0xC_Kw4lb4IE77IF4wAFF20E14v26r4j6ryUM7CY07I2 0VC2zVCF04k26cxKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rw A2F7IY1VAKz4vEj48ve4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Jr0_JF4l84ACjcxK6xII jxv20xvEc7CjxVAFwI0_Gr0_Cr1l84ACjcxK6I8E87Iv67AKxVWUJVW8JwA2z4x0Y4vEx4 A2jsIEc7CjxVAFwI0_Gr0_Gr1UM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI 64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVW8Jr0_Cr 1UMcvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvEwIxGrwACI402YVCY1x02628vn2kIc2xK xwCYjI0SjxkI62AI1cAE67vIY487MxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r 1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CE b7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0x vE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwCI42IY6xAIw20EY4v20xvaj40_WFyUJVCq3wCI 42IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnIWI evJa73UjIFyTuYvjxUqX4SDUUUU X-Originating-IP: [182.150.46.145] X-CM-SenderInfo: psxzv046klw03qof0z/ Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2018/9/19 11:19, kernel test robot wrote: > [ 0.800215] AGP: No AGP bridge found > PANIC: early exception 0xe3 IP 10:ffffffff8294623f error 0 cr2 0x0 > [ 0.815262] CPU: 0 PID: 0 Comm: swapper Not tainted 4.19.0-rc2-00018-g7ffb318 #1 > [ 0.826860] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014 > [ 0.839894] RIP: 0010:early_is_amd_nb+0x30/0x4b > [ 0.846986] Code: 15 07 3e c8 ff 0f b7 cf 48 c7 c0 c0 6a 01 82 80 fa 02 74 13 80 fa 09 48 c7 c0 20 69 01 82 ba 00 00 00 00 48 0f 45 c2 c1 ef 10 <8b> 10 85 d2 74 0f 39 ca 75 05 39 78 04 74 09 48 83 c0 20 eb eb 31 > [ 0.876321] RSP: 0000:ffffffff82403e38 EFLAGS: 00010017 ORIG_RAX: 0000000000000000 > [ 0.888131] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000000000ffff > [ 0.899187] RDX: 0000000000000000 RSI: 000000000000c000 RDI: 000000000000ffff > [ 0.910233] RBP: 0000000000000018 R08: 0000000000000002 R09: 0000000000000000 > [ 0.921388] R10: ffffffff829ecc40 R11: ffffffff82aeed87 R12: 0000000000000000 > [ 0.932476] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 > [ 0.943658] FS: 0000000000000000(0000) GS:ffffffff82909000(0000) knlGS:0000000000000000 > [ 0.956271] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [ 0.965216] CR2: 0000000000000000 CR3: 00000000029a2000 CR4: 00000000000006a0 > [ 0.976358] Call Trace: > [ 0.980238] ? early_gart_iommu_check+0xef/0x2c5 > [ 0.987493] ? setup_arch+0x4fa/0xc67 > [ 0.993231] ? printk+0x52/0x6e > [ 0.998157] ? start_kernel+0x6e/0x4dc > [ 1.004044] ? load_ucode_bsp+0x42/0x12e > [ 1.010145] ? secondary_startup_64+0xa4/0xb0 > BUG: kernel hang in boot stage > > Elapsed time: 700 > > #!/bin/bash > > > > To reproduce: > > git clone https://github.com/intel/lkp-tests.git > cd lkp-tests > bin/lkp qemu -k job-script # job-script is attached in this email I cannot reproduce this panic on Hygon Dhyana platform. I tired lkp-tests both in Ubuntu 16.04 (with gcc-5) and Ubuntu 18.04 (with gcc-7). What kind of host do you use to run the qemu? A Intel one or AMD one? Thanks, Pu Wen