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=-5.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, 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 4B278C43461 for ; Mon, 26 Apr 2021 12:46:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 13E546109E for ; Mon, 26 Apr 2021 12:46:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233438AbhDZMrB (ORCPT ); Mon, 26 Apr 2021 08:47:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51958 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by 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b28mr16454750pgm.444.1619441177945; Mon, 26 Apr 2021 05:46:17 -0700 (PDT) Received: from [192.168.1.134] ([66.219.217.173]) by smtp.gmail.com with ESMTPSA id q6sm11136437pfs.33.2021.04.26.05.46.16 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 26 Apr 2021 05:46:17 -0700 (PDT) Subject: Re: linux-next: boot failure in today's linux-next To: Stephen Rothwell Cc: Linux Next Mailing List , Andrew Morton , Michael Ellerman , PowerPC , Linux Kernel Mailing List , Linus , Changheun Lee References: <20210426163606.36a97253@canb.auug.org.au> <20210426174310.6f03345b@canb.auug.org.au> From: Jens Axboe Message-ID: <387b26fe-81f5-1bb1-33fd-7fccb7b73823@kernel.dk> Date: Mon, 26 Apr 2021 06:46:20 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20210426174310.6f03345b@canb.auug.org.au> Content-Type: text/plain; charset=windows-1252 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 4/26/21 1:43 AM, Stephen Rothwell wrote: > Hi all, > > On Mon, 26 Apr 2021 16:36:06 +1000 Stephen Rothwell wrote: >> >> Today's linux-next build (ipowerpc_pseries_le_defconfig) >> failed its qemu boot tests like this: >> >> [ 1.833361][ T1] ibmvscsi 71000003: SRP_VERSION: 16.a >> [ 1.834439][ T1] ibmvscsi 71000003: Maximum ID: 64 Maximum LUN: 32 Maximum Channel: 3 >> [ 1.834683][ T1] scsi host0: IBM POWER Virtual SCSI Adapter 1.5.9 >> [ 1.842605][ C0] ibmvscsi 71000003: partner initialization complete >> [ 1.844979][ C0] ibmvscsi 71000003: host srp version: 16.a, host partition qemu (0), OS 2, max io 2097152 >> [ 1.845502][ C0] ibmvscsi 71000003: sent SRP login >> [ 1.845853][ C0] ibmvscsi 71000003: SRP_LOGIN succeeded >> [ 1.851447][ T1] BUG: Kernel NULL pointer dereference on write at 0x00000390 >> [ 1.851577][ T1] Faulting instruction address: 0xc00000000070386c >> [ 1.852171][ T1] Oops: Kernel access of bad area, sig: 11 [#1] >> [ 1.852324][ T1] LE PAGE_SIZE=64K MMU=Hash SMP NR_CPUS=2048 NUMA pSeries >> [ 1.852689][ T1] Modules linked in: >> [ 1.853136][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.12.0 #2 >> [ 1.853555][ T1] NIP: c00000000070386c LR: c000000000703a6c CTR: 0000000000000000 >> [ 1.853679][ T1] REGS: c0000000063a2f40 TRAP: 0380 Not tainted (5.12.0) >> [ 1.853870][ T1] MSR: 8000000002009033 CR: 44002240 XER: 00000000 >> [ 1.854305][ T1] CFAR: c000000000703a68 IRQMASK: 0 >> [ 1.854305][ T1] GPR00: c000000000703a6c c0000000063a31e0 c00000000146b200 c0000000080ca800 >> [ 1.854305][ T1] GPR04: c000000006067380 c00c000000020180 0000000000000024 0000000000008500 >> [ 1.854305][ T1] GPR08: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 >> [ 1.854305][ T1] GPR12: 0000000000002000 c000000001640000 c000000008068508 0000000000000020 >> [ 1.854305][ T1] GPR16: 0000000000000000 0000000000000024 c000000000f85f78 c000000000f0d998 >> [ 1.854305][ T1] GPR20: c0000000013b59e0 0000000000000003 c0000000063a340c 0000000000000001 >> [ 1.854305][ T1] GPR24: 0000000000000000 c0000000084a3000 c0000000080ca800 c00c000000020180 >> [ 1.854305][ T1] GPR28: 0000000000008500 c0000000080ca800 0000000000000024 c000000006067380 >> [ 1.855486][ T1] NIP [c00000000070386c] bio_add_hw_page+0x7c/0x240 >> [ 1.856357][ T1] LR [c000000000703a6c] bio_add_pc_page+0x3c/0x70 >> [ 1.856723][ T1] Call Trace: >> [ 1.856890][ T1] [c0000000063a31e0] [0000000000000c00] 0xc00 (unreliable) >> [ 1.857390][ T1] [c0000000063a3230] [c00000000070105c] bio_kmalloc+0x3c/0xd0 >> [ 1.857514][ T1] [c0000000063a3260] [c000000000713014] blk_rq_map_kern+0x164/0x4a0 >> [ 1.857630][ T1] [c0000000063a32d0] [c0000000008e17dc] __scsi_execute+0x1cc/0x270 >> [ 1.857746][ T1] [c0000000063a3350] [c0000000008e7bf0] scsi_probe_and_add_lun+0x250/0xd90 >> [ 1.857887][ T1] [c0000000063a34c0] [c0000000008e921c] __scsi_scan_target+0x17c/0x630 >> [ 1.858007][ T1] [c0000000063a35d0] [c0000000008e9900] scsi_scan_channel+0x90/0xe0 >> [ 1.858133][ T1] [c0000000063a3620] [c0000000008e9ba8] scsi_scan_host_selected+0x138/0x1a0 >> [ 1.858258][ T1] [c0000000063a3670] [c0000000008e9fec] scsi_scan_host+0x2dc/0x320 >> [ 1.858367][ T1] [c0000000063a3710] [c00000000091b2a0] ibmvscsi_probe+0xa70/0xa80 >> [ 1.858487][ T1] [c0000000063a3800] [c0000000000eb8ac] vio_bus_probe+0x9c/0x460 >> [ 1.858616][ T1] [c0000000063a38a0] [c0000000008979bc] really_probe+0x12c/0x6b0 >> [ 1.858749][ T1] [c0000000063a3950] [c000000000897fd4] driver_probe_device+0x94/0x130 >> [ 1.858874][ T1] [c0000000063a3980] [c00000000089896c] device_driver_attach+0x11c/0x130 >> [ 1.858999][ T1] [c0000000063a39c0] [c000000000898a38] __driver_attach+0xb8/0x1a0 >> [ 1.859123][ T1] [c0000000063a3a10] [c0000000008941a8] bus_for_each_dev+0xa8/0x130 >> [ 1.859257][ T1] [c0000000063a3a70] [c000000000896ef4] driver_attach+0x34/0x50 >> [ 1.859381][ T1] [c0000000063a3a90] [c000000000896510] bus_add_driver+0x170/0x2b0 >> [ 1.859503][ T1] [c0000000063a3b20] [c000000000899b04] driver_register+0xb4/0x1c0 >> [ 1.859626][ T1] [c0000000063a3b90] [c0000000000ea808] __vio_register_driver+0x68/0x90 >> [ 1.859754][ T1] [c0000000063a3bb0] [c0000000010cee74] ibmvscsi_module_init+0xa4/0xdc >> [ 1.859931][ T1] [c0000000063a3bf0] [c000000000012190] do_one_initcall+0x60/0x2c0 >> [ 1.860071][ T1] [c0000000063a3cc0] [c0000000010846e4] kernel_init_freeable+0x300/0x3a0 >> [ 1.860207][ T1] [c0000000063a3da0] [c000000000012764] kernel_init+0x2c/0x168 >> [ 1.860336][ T1] [c0000000063a3e10] [c00000000000d5ec] ret_from_kernel_thread+0x5c/0x70 >> [ 1.860690][ T1] Instruction dump: >> [ 1.861072][ T1] fba10038 7cbb2b78 7c7d1b78 7cfc3b78 a1440048 2c2a0000 4082008c a13f004a >> [ 1.861328][ T1] 7c095040 40810110 e93f0008 811f0028 e9290050 812903d8 7d3e4850 >> [ 1.863000][ T1] ---[ end trace c49ca2d91ee47d7f ]--- >> [ 1.879456][ T1] >> [ 2.880941][ T1] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b >> >> I don't know what caused this, but it is some change since Friday. >> >> I have left it like this. > > Bisections leads to commit > > 42fb54fbc707 ("bio: limit bio max size") > > from the block tree. Reverting that commit on top of today's > linux-next allows to the boot to work again. The patch has been dropped, thanks Stephen. -- Jens Axboe 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=-5.1 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, 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 8491CC433B4 for ; Mon, 26 Apr 2021 12:46:53 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 34D2060BBB for ; Mon, 26 Apr 2021 12:46:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 34D2060BBB Authentication-Results: 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Content-Transfer-Encoding: 7bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Linux Kernel Mailing List , Linus , Linux Next Mailing List , Changheun Lee , Andrew Morton , PowerPC Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On 4/26/21 1:43 AM, Stephen Rothwell wrote: > Hi all, > > On Mon, 26 Apr 2021 16:36:06 +1000 Stephen Rothwell wrote: >> >> Today's linux-next build (ipowerpc_pseries_le_defconfig) >> failed its qemu boot tests like this: >> >> [ 1.833361][ T1] ibmvscsi 71000003: SRP_VERSION: 16.a >> [ 1.834439][ T1] ibmvscsi 71000003: Maximum ID: 64 Maximum LUN: 32 Maximum Channel: 3 >> [ 1.834683][ T1] scsi host0: IBM POWER Virtual SCSI Adapter 1.5.9 >> [ 1.842605][ C0] ibmvscsi 71000003: partner initialization complete >> [ 1.844979][ C0] ibmvscsi 71000003: host srp version: 16.a, host partition qemu (0), OS 2, max io 2097152 >> [ 1.845502][ C0] ibmvscsi 71000003: sent SRP login >> [ 1.845853][ C0] ibmvscsi 71000003: SRP_LOGIN succeeded >> [ 1.851447][ T1] BUG: Kernel NULL pointer dereference on write at 0x00000390 >> [ 1.851577][ T1] Faulting instruction address: 0xc00000000070386c >> [ 1.852171][ T1] Oops: Kernel access of bad area, sig: 11 [#1] >> [ 1.852324][ T1] LE PAGE_SIZE=64K MMU=Hash SMP NR_CPUS=2048 NUMA pSeries >> [ 1.852689][ T1] Modules linked in: >> [ 1.853136][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.12.0 #2 >> [ 1.853555][ T1] NIP: c00000000070386c LR: c000000000703a6c CTR: 0000000000000000 >> [ 1.853679][ T1] REGS: c0000000063a2f40 TRAP: 0380 Not tainted (5.12.0) >> [ 1.853870][ T1] MSR: 8000000002009033 CR: 44002240 XER: 00000000 >> [ 1.854305][ T1] CFAR: c000000000703a68 IRQMASK: 0 >> [ 1.854305][ T1] GPR00: c000000000703a6c c0000000063a31e0 c00000000146b200 c0000000080ca800 >> [ 1.854305][ T1] GPR04: c000000006067380 c00c000000020180 0000000000000024 0000000000008500 >> [ 1.854305][ T1] GPR08: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 >> [ 1.854305][ T1] GPR12: 0000000000002000 c000000001640000 c000000008068508 0000000000000020 >> [ 1.854305][ T1] GPR16: 0000000000000000 0000000000000024 c000000000f85f78 c000000000f0d998 >> [ 1.854305][ T1] GPR20: c0000000013b59e0 0000000000000003 c0000000063a340c 0000000000000001 >> [ 1.854305][ T1] GPR24: 0000000000000000 c0000000084a3000 c0000000080ca800 c00c000000020180 >> [ 1.854305][ T1] GPR28: 0000000000008500 c0000000080ca800 0000000000000024 c000000006067380 >> [ 1.855486][ T1] NIP [c00000000070386c] bio_add_hw_page+0x7c/0x240 >> [ 1.856357][ T1] LR [c000000000703a6c] bio_add_pc_page+0x3c/0x70 >> [ 1.856723][ T1] Call Trace: >> [ 1.856890][ T1] [c0000000063a31e0] [0000000000000c00] 0xc00 (unreliable) >> [ 1.857390][ T1] [c0000000063a3230] [c00000000070105c] bio_kmalloc+0x3c/0xd0 >> [ 1.857514][ T1] [c0000000063a3260] [c000000000713014] blk_rq_map_kern+0x164/0x4a0 >> [ 1.857630][ T1] [c0000000063a32d0] [c0000000008e17dc] __scsi_execute+0x1cc/0x270 >> [ 1.857746][ T1] [c0000000063a3350] [c0000000008e7bf0] scsi_probe_and_add_lun+0x250/0xd90 >> [ 1.857887][ T1] [c0000000063a34c0] [c0000000008e921c] __scsi_scan_target+0x17c/0x630 >> [ 1.858007][ T1] [c0000000063a35d0] [c0000000008e9900] scsi_scan_channel+0x90/0xe0 >> [ 1.858133][ T1] [c0000000063a3620] [c0000000008e9ba8] scsi_scan_host_selected+0x138/0x1a0 >> [ 1.858258][ T1] [c0000000063a3670] [c0000000008e9fec] scsi_scan_host+0x2dc/0x320 >> [ 1.858367][ T1] [c0000000063a3710] [c00000000091b2a0] ibmvscsi_probe+0xa70/0xa80 >> [ 1.858487][ T1] [c0000000063a3800] [c0000000000eb8ac] vio_bus_probe+0x9c/0x460 >> [ 1.858616][ T1] [c0000000063a38a0] [c0000000008979bc] really_probe+0x12c/0x6b0 >> [ 1.858749][ T1] [c0000000063a3950] [c000000000897fd4] driver_probe_device+0x94/0x130 >> [ 1.858874][ T1] [c0000000063a3980] [c00000000089896c] device_driver_attach+0x11c/0x130 >> [ 1.858999][ T1] [c0000000063a39c0] [c000000000898a38] __driver_attach+0xb8/0x1a0 >> [ 1.859123][ T1] [c0000000063a3a10] [c0000000008941a8] bus_for_each_dev+0xa8/0x130 >> [ 1.859257][ T1] [c0000000063a3a70] [c000000000896ef4] driver_attach+0x34/0x50 >> [ 1.859381][ T1] [c0000000063a3a90] [c000000000896510] bus_add_driver+0x170/0x2b0 >> [ 1.859503][ T1] [c0000000063a3b20] [c000000000899b04] driver_register+0xb4/0x1c0 >> [ 1.859626][ T1] [c0000000063a3b90] [c0000000000ea808] __vio_register_driver+0x68/0x90 >> [ 1.859754][ T1] [c0000000063a3bb0] [c0000000010cee74] ibmvscsi_module_init+0xa4/0xdc >> [ 1.859931][ T1] [c0000000063a3bf0] [c000000000012190] do_one_initcall+0x60/0x2c0 >> [ 1.860071][ T1] [c0000000063a3cc0] [c0000000010846e4] kernel_init_freeable+0x300/0x3a0 >> [ 1.860207][ T1] [c0000000063a3da0] [c000000000012764] kernel_init+0x2c/0x168 >> [ 1.860336][ T1] [c0000000063a3e10] [c00000000000d5ec] ret_from_kernel_thread+0x5c/0x70 >> [ 1.860690][ T1] Instruction dump: >> [ 1.861072][ T1] fba10038 7cbb2b78 7c7d1b78 7cfc3b78 a1440048 2c2a0000 4082008c a13f004a >> [ 1.861328][ T1] 7c095040 40810110 e93f0008 811f0028 e9290050 812903d8 7d3e4850 >> [ 1.863000][ T1] ---[ end trace c49ca2d91ee47d7f ]--- >> [ 1.879456][ T1] >> [ 2.880941][ T1] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b >> >> I don't know what caused this, but it is some change since Friday. >> >> I have left it like this. > > Bisections leads to commit > > 42fb54fbc707 ("bio: limit bio max size") > > from the block tree. Reverting that commit on top of today's > linux-next allows to the boot to work again. The patch has been dropped, thanks Stephen. -- Jens Axboe