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=-9.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 F071BC433E1 for ; Wed, 15 Jul 2020 14:34:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CC35B206F5 for ; Wed, 15 Jul 2020 14:34:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594823683; bh=LrWUkleHxZV4c+Di+w1VVzb6X+CPgI6RtdSaLqqPXCI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=QjF4ns47zAqzl6sOd8DmgzOIjSEkfoibUPNM0xUOWS4ENyu4TesZbKsjfWYoVTzJc 7GnjrMNfNq+/EEqF9xASYlEDjKFnjgJ3mkwDHhDtpwhEm1TPVMMLkq+cn9l1N92Njh RueqcFcLgfF0xdhxHiWtFp8JrJqoycjhT/lQCfmQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726828AbgGOOen (ORCPT ); Wed, 15 Jul 2020 10:34:43 -0400 Received: from mail.kernel.org ([198.145.29.99]:35620 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726568AbgGOOen (ORCPT ); Wed, 15 Jul 2020 10:34:43 -0400 Received: from localhost (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 367702065D; Wed, 15 Jul 2020 14:34:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594823682; bh=LrWUkleHxZV4c+Di+w1VVzb6X+CPgI6RtdSaLqqPXCI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=umBRMvjgol0MNMeEYw91XA59Oyz8fUvDWT9IMOt5qmPRHHGZQSwBiXyhC+kkMbEr9 YvYahzKUL6OtUZUg2mAAgKDwxI3MmM1VPNYyQXygqttfaohKm4tc2SAkCFy3OeR3ZI q2SkD42+7y1wMDvKv67qzFV/FUyPIl5uOUeVuOX0= Date: Wed, 15 Jul 2020 10:34:41 -0400 From: Sasha Levin To: Veronika Kabatova Cc: Linux Stable maillist , Xiong Zhou Subject: Re: =?utf-8?B?8J+SpSBQQU5JQ0tFRA==?= =?utf-8?Q?=3A?= Test report for kernel 5.7.9-rc1-c2fb28a.cki (stable) Message-ID: <20200715143441.GM2722994@sasha-vm> References: <2125467353.2778784.1594820204666.JavaMail.zimbra@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <2125467353.2778784.1594820204666.JavaMail.zimbra@redhat.com> Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Wed, Jul 15, 2020 at 09:36:44AM -0400, Veronika Kabatova wrote: > > >----- Original Message ----- >> From: "CKI Project" >> To: "Linux Stable maillist" >> Cc: "Xiong Zhou" >> Sent: Wednesday, July 15, 2020 3:33:45 PM >> Subject: 💥 PANICKED: Test report for kernel 5.7.9-rc1-c2fb28a.cki (stable) >> >> >> Hello, >> >> We ran automated tests on a recent commit from this kernel tree: >> >> Kernel repo: >> https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git >> Commit: c2fb28a4b6e4 - Linux 5.7.9-rc1 >> >> The results of these automated tests are provided below. >> >> Overall result: FAILED (see details below) >> Merge: OK >> Compile: OK >> Tests: PANICKED >> >> All kernel binaries, config files, and logs are available for download here: >> >> https://cki-artifacts.s3.us-east-2.amazonaws.com/index.html?prefix=datawarehouse/2020/07/14/610210 >> >> One or more kernel tests failed: >> >> s390x: >> ❌ Boot test >> ❌ Boot test >> 💥 Boot test >> > >Hi, > >we started observing boot panics with 5.7 on s390x yesterday: > >[ 0.388965] Kernel panic - not syncing: Corrupted kernel text >[ 0.388970] CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.7.8-0930ce5.cki #1 >[ 0.388971] Hardware name: IBM 2964 N96 400 (z/VM 6.4.0) >[ 0.388975] Workqueue: events timer_update_keys >[ 0.388977] Call Trace: >[ 0.388980] [<00000001378c868a>] show_stack+0x8a/0xd0 >[ 0.388983] [<0000000137e0c9c2>] dump_stack+0x8a/0xb8 >[ 0.388985] [<00000001378fa372>] panic+0x112/0x308 >[ 0.388989] [<00000001378d20b6>] jump_label_bug+0x7e/0x80 >[ 0.388990] [<00000001378d1fb8>] __jump_label_transform+0xa8/0xd8 >[ 0.388992] [<00000001378d200e>] arch_jump_label_transform+0x26/0x40 >[ 0.388995] [<0000000137a8d448>] __jump_label_update+0xb8/0x128 >[ 0.388996] [<0000000137a8dca6>] static_key_enable_cpuslocked+0x8e/0xd0 >[ 0.388998] [<0000000137a8dd18>] static_key_enable+0x30/0x40 >[ 0.389000] [<000000013798a0d2>] timer_update_keys+0x3a/0x50 >[ 0.389003] [<000000013791cdde>] process_one_work+0x206/0x458 >[ 0.389005] [<000000013791d078>] worker_thread+0x48/0x460 >[ 0.389007] [<0000000137924912>] kthread+0x12a/0x160 >[ 0.389013] [<00000001381b9a70>] ret_from_fork+0x2c/0x30 > >I only released one of the reports to not spam too much but the panics are >still happening with the most recent code. > >These panics are NOT present on the current mainline. All other arches are OK. > >Given the call trace, I'm guessing it is something related to > >https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?h=linux-5.7.y&id=477d4930b0c7e70c1ac3e3c35e5ad15c5ebde8be Indeed, looks like we were missing d6df52e9996d ("s390/maccess: add no DAT mode to kernel_write"). I also took cb2cceaefb4c ("s390: Change s390_kernel_write() return type to match memcpy()") as a dependency. Thank you! -- Thanks, Sasha