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 D8015C54E76 for ; Wed, 4 Jan 2023 21:07:12 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pDAwl-0006cF-4b; Wed, 04 Jan 2023 16:05:15 -0500 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 1pDAwj-0006az-NZ for qemu-devel@nongnu.org; Wed, 04 Jan 2023 16:05:13 -0500 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 1pDAwf-0006sn-H1 for qemu-devel@nongnu.org; Wed, 04 Jan 2023 16:05:13 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1672866301; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=mTGbStfrdBXQmoQ58BKhfyAQyf1QHa4HSteui2Lm+kY=; b=YKOMB+cKacvm8LHNQdA5q6mE5o4FYTJDujqMkWc20sAY0CIuS4n57uzm7JdByQYbdvXKbb iNI1A3XmfY4oX0imghjAzHiReAfyaFG99m056S4RSUtqsQX7J5YgmIFb5j6c00dVCw6Ife Uqx0CsAkLLE9UEmIl1/VNayEX2D7Apo= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-58-8LDTRlLsMOq74CLYoOW3ew-1; Wed, 04 Jan 2023 16:04:58 -0500 X-MC-Unique: 8LDTRlLsMOq74CLYoOW3ew-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 92FA2101A5B4; Wed, 4 Jan 2023 21:04:57 +0000 (UTC) Received: from scv.redhat.com (unknown [10.22.34.167]) by smtp.corp.redhat.com (Postfix) with ESMTP id 27E432026D4B; Wed, 4 Jan 2023 21:04:56 +0000 (UTC) From: John Snow To: qemu-devel@nongnu.org Cc: Cleber Rosa , Beraldo Leal , Hanna Reitz , Eduardo Habkost , Markus Armbruster , Vladimir Sementsov-Ogievskiy , John Snow , Peter Maydell , Kevin Wolf , qemu-block@nongnu.org Subject: [PULL 2/5] python/machine: Handle termination cases without QMP Date: Wed, 4 Jan 2023 16:04:52 -0500 Message-Id: <20230104210455.571473-3-jsnow@redhat.com> In-Reply-To: <20230104210455.571473-1-jsnow@redhat.com> References: <20230104210455.571473-1-jsnow@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.1 on 10.11.54.4 Received-SPF: pass client-ip=170.10.133.124; envelope-from=jsnow@redhat.com; helo=us-smtp-delivery-124.mimecast.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, 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_H2=-0.001, 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: 2.1.29 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-bounces+qemu-devel=archiver.kernel.org@nongnu.org If we request a shutdown of a VM without a QMP console, we'll just hang waiting. Not ideal. Add in code that attempts graceful termination in these cases. Tested lightly; it appears to work and I doubt we rely on this case anywhere, but it's a corner you're allowed to wedge yourself in, so it should be handled. Signed-off-by: John Snow --- python/qemu/machine/machine.py | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/python/qemu/machine/machine.py b/python/qemu/machine/machine.py index 6f1374a7550..748a0d807c9 100644 --- a/python/qemu/machine/machine.py +++ b/python/qemu/machine/machine.py @@ -547,6 +547,12 @@ def _soft_shutdown(self, timeout: Optional[int]) -> None: finally: # Regardless, we want to quiesce the connection. self._close_qmp_connection() + elif not self._quit_issued: + LOG.debug( + "Not anticipating QEMU quit and no QMP connection present, " + "issuing SIGTERM" + ) + self._subp.terminate() # May raise subprocess.TimeoutExpired LOG.debug( -- 2.39.0