From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pu Wen Subject: Re: [LKP] [x86/pci] 7ffb31888c: PANIC:early_exception Date: Wed, 19 Sep 2018 21:53:45 +0800 Message-ID: <4f5166f8-97b8-a58f-3e5d-19d1751a4601@hygon.cn> References: <20180919031923.GC8820@shao2-debian> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20180919031923.GC8820@shao2-debian> Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org 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 List-Id: linux-arch.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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: 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 From: Pu Wen Subject: Re: [LKP] [x86/pci] 7ffb31888c: PANIC:early_exception References: <20180919031923.GC8820@shao2-debian> Message-ID: <4f5166f8-97b8-a58f-3e5d-19d1751a4601@hygon.cn> Date: Wed, 19 Sep 2018 21:53:45 +0800 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 Sender: linux-arch-owner@vger.kernel.org List-ID: 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 Message-ID: <20180919135345.yYlNg_-2nwAO-9vzFewTjK-elwCOO18QJTaj-cLdqxI@z> 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