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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 9B6F0D58CDC for ; Mon, 23 Mar 2026 07:38:10 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1w4ZrM-0001Af-KT; Mon, 23 Mar 2026 03:38:00 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1w4ZrK-00019d-Dk for qemu-devel@nongnu.org; Mon, 23 Mar 2026 03:37:58 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1w4ZrH-0002dy-Pw for qemu-devel@nongnu.org; Mon, 23 Mar 2026 03:37:58 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1774251473; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=5phMkHqJK6umlLLJaXrmjh8nbO8YVrSIXoxr7z9JE4A=; b=RlvCma6TT/XjFHN6FDP1H0odHfSLJbS2p1RuWGCm6VZwGr6UHOoEFEq1EzMn0qYwDYFfDf /VWoCTZSGmcdyhb0l8Eti/K49bdHojoH3O6gFrRaVm6OWgWooiTTTbEbOgJ4s9k/l7RrD0 pbrnBHbmRZ/PhfMc+lt8YTixUIl25qI= Received: from mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-660-SgQDmLeuPfu6bCYoPmsZGQ-1; Mon, 23 Mar 2026 03:37:52 -0400 X-MC-Unique: SgQDmLeuPfu6bCYoPmsZGQ-1 X-Mimecast-MFC-AGG-ID: SgQDmLeuPfu6bCYoPmsZGQ_1774251471 Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.17]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 065F2195608B; Mon, 23 Mar 2026 07:37:51 +0000 (UTC) Received: from blackfin.pond.sub.org (unknown [10.45.242.6]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 9DE981955D71; Mon, 23 Mar 2026 07:37:50 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 1D6A621E6937; Mon, 23 Mar 2026 08:37:48 +0100 (CET) From: Markus Armbruster To: =?utf-8?B?5pmP6b6Z6b6Z?= Cc: qemu-devel , John Snow Subject: Re: =?utf-8?B?5Zue5aSNOg==?= Re: [PATCH] hw/ide: resolve core crash caused by optical drive pop-up during virtual machine startup In-Reply-To: <1a3bpqsg0je3-1a3jv8ue67n0@nsmail8.2--kylin--1> (=?utf-8?B?IuaZj+m+mem+mSIncw==?= message of "Mon, 23 Mar 2026 09:05:21 +0800") References: <1a3bpqsg0je3-1a3jv8ue67n0@nsmail8.2--kylin--1> Date: Mon, 23 Mar 2026 08:37:48 +0100 Message-ID: <877br30zeb.fsf@pond.sub.org> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 Received-SPF: pass client-ip=170.10.133.124; envelope-from=armbru@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=-1, RCVD_IN_MSPIKE_WL=-0.01, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-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: 2.1.29 Precedence: list List-Id: qemu development 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-bounces+qemu-devel=archiver.kernel.org@nongnu.org =E6=99=8F=E9=BE=99=E9=BE=99 writes: > Markus Armbruster writes: >> >> yanlonglong writes: >> >> Reproducer? >> >> Is this a regression? > > This occurred in a production environment Maintainers needs to understand the fix, and that means understanding the bug. Please help them. A reproducer can go a long way towards understanding the bug. It's also required to test the fix. Another way to help is a sufficiently detailed analysis of the bug. What needs to happen for the program to crash? Fixes we don't understand and cannot test are really, really dangerous. [...]