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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 2998EC2D0E4 for ; Tue, 24 Nov 2020 13:39:30 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 2476220782 for ; Tue, 24 Nov 2020 13:39:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=crudebyte.com header.i=@crudebyte.com header.b="UUBCyqfw" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2476220782 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=crudebyte.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:56206 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1khYXX-0005L7-P1 for qemu-devel@archiver.kernel.org; Tue, 24 Nov 2020 08:39:27 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:55588) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1khYVu-0004Lv-8g for qemu-devel@nongnu.org; Tue, 24 Nov 2020 08:37:46 -0500 Received: from lizzy.crudebyte.com ([91.194.90.13]:41875) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1khYVq-0003oL-Pd for qemu-devel@nongnu.org; Tue, 24 Nov 2020 08:37:45 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=crudebyte.com; s=lizzy; h=Content-Type:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Content-ID:Content-Description; bh=98Gdsh3wxSDxIGBalS3IropenSk0zko061idd1bjTkE=; b=UUBCyqfwldaTvwROdS9RKSI8jy chElRZKx5BGztd1V5z+2HvBmrt1rLkYDgEA7k4OpNFE4IeFitG6m/jqPknQcY/5K9/elV8tbT8BLF NrkUA37J9Xke9B9cIYTy0g4va/WpD0uItfqUCe3j61bUQCofe2yRHERbl/WH1SGUIay0OrbzGyG2L KqCydYLfqsyN+PpphXfp73aL5qBBjdA+LVg9s4ZhTlONOlaPhebAP3e1TcRlnbl4trBALO1PF46Hc k8EuE1u0IhxYnri9hXadFZ09xnHvQpuXLoJNbw/VtqENJN6xQddjdxhQkS/eKrNQM6KtnxOeWwmoM V0jkCp9A==; From: Christian Schoenebeck To: Cole Robinson Cc: qemu-devel@nongnu.org, Greg Kurz , "Dr. David Alan Gilbert" Subject: Re: virtio-9p-test.c:300:v9fs_req_recv: assertion failed (hdr.id == id): (7 == 73) Date: Tue, 24 Nov 2020 14:37:39 +0100 Message-ID: <1762951.Dc85qNA9ec@silver> In-Reply-To: <163aa0fa-f8d2-84e8-7a01-1befa4f4731a@redhat.com> References: <13275468.fAp1jBoSgB@silver> <163aa0fa-f8d2-84e8-7a01-1befa4f4731a@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Received-SPF: pass client-ip=91.194.90.13; envelope-from=qemu_oss@crudebyte.com; helo=lizzy.crudebyte.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Dienstag, 24. November 2020 14:25:17 CET Cole Robinson wrote: > On 11/23/20 2:45 PM, Christian Schoenebeck wrote: > > On Montag, 23. November 2020 14:48:15 CET Christian Schoenebeck wrote: > >> On Montag, 23. November 2020 14:17:34 CET Greg Kurz wrote: > >>> Fixed maintainer's address: s/oss@crudebyte.com/qemu_oss@crudebyte.com > >>> > >>> On Sat, 21 Nov 2020 17:03:14 -0500 > >>> > >>> Cole Robinson wrote: > >>>> Hi, I'm consistently seeing this assertion running the qemu-5.2.0 test > >>>> suite. rc0, rc1, rc2 have been consistently affected, it reproduces > >>>> consistently in parts of Fedora's build system. Here's an example build > >>>> log for rc2 x86 against Fedora 32 > >>>> > >>>> https://download.copr.fedorainfracloud.org/results/@kubevirt/qemu-5.2.0 > >>>> -> > > 0. 6.rc2/fedora-32-x86_64/01781514-qemu/builder-live.log.gz > >>>> > >>>> The full test error: > >>>> > >>>> ... > >>>> PASS 26 qtest-arm/qos-test > >>>> /arm/virt/virtio-mmio/virtio-bus/virtio-9p-device/virtio-9p/virtio-9p-t > >>>> e > >>>> st > >>>> s/synth/readdir/split_128 PASS 27 qtest-arm/qos-test > >>>> /arm/virt/virtio-mmio/virtio-bus/virtio-9p-device/virtio-9p/virtio-9p-t > >>>> e > >>>> st > >>>> s/local/config > >>> > >>> Ok so the next test is supposed to be: > >>> > >>> /arm/virt/virtio-mmio/virtio-bus/virtio-9p-device/virtio-9p/virtio-9p-te > >>> st > >>> s/ local/create_dir > >>> > >>> This was added recently. This configures the virtio-9p device in QEMU > >>> to serve a real test directory from the host. This test directory is > >>> created under the current directory of the test process. The purpose > >>> of the test is then to ask the 9p server to create a directory within > >>> the test directory. > >>> > >>>> Received response 7 (RLERROR) instead of 73 (RMKDIR) > >>>> ERROR qtest-arm/qos-test - Bail out! > >>>> ERROR:../tests/qtest/virtio-9p-test.c:300:v9fs_req_recv: assertion > >>>> failed (hdr.id == id): (7 == 73) > >>>> Rlerror has errno 95 (Operation not supported) > >>> > >>> So this basically means that QEMU got ENOTSUP/EOPNOTSUPP when calling > >>> mkdir() into the test directory... not sure what could cause that. I'd > >>> need more details on the filesystem setup for the build. > >>> > >>> Anyway, we already experienced some breakage in upstream CI because of > >>> the same family of tests that do real access to the host filesystem. > >>> Since they're being introduced in QEMU 5.2, I'll try to see if I can > >>> disable them to be run by default for RC3. > >>> > >>> Cheers, > >>> > >>> -- > >>> Greg > >>> > >>>> ** > >>>> ERROR:../tests/qtest/virtio-9p-test.c:300:v9fs_req_recv: assertion > >>>> failed (hdr.id == id): (7 == 73) > >>>> make: *** [Makefile.mtest:1257: run-test-155] Error 1 > >>>> error: Bad exit status from /var/tmp/rpm-tmp.EG4Dav (%check) > >>>> > >>>> > >>>> Thanks, > >>>> Cole > >> > >> Yeah, looks like the mkdir() call which is supposed to create the 9p test > >> directory, is failing there for some reason. The question is how to find > >> that out (effectively) without having access to an affected system. > >> > >> It's now too late for 5.2, but I think for 6.0 it would make sense > >> introducing a dedicated 9p option loglevel=..., so we can tell people to > >> enable this to capture the precise source location where an error > >> ocurred. > >> That would mean spreading a huge bunch of macros all over the 9p code > >> base, > >> but it would definitely help a lot understanding the root cause of > >> reported > >> issues in an efficient way. > >> > >> Best regards, > >> Christian Schoenebeck > > > > Cole, does the affected host system probably not have xattrs enabled on > > its > > file system? > > Hmm I'm not sure, I will try to investigate. > > google tells me David Gilbert also hit this too earlier: > https://www.mail-archive.com/qemu-devel@nongnu.org/msg754556.html > > Maybe he remembers details of his setup, CC'd > > - Cole No, that was a different issue David had, that's already fixed in git by SHA-1 136b7af2277. You also see that he got a different error. Many people were affected by that issue a month ago. However the issue you reported did not occur on other systems so far, including many CI platforms out there. At least I haven't seen any other similar report. What's the host file system used? ZFS? Best regards, Christian Schoenebeck