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 00F3DC00144 for ; Mon, 1 Aug 2022 16:09:29 +0000 (UTC) Received: from localhost ([::1]:50636 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oIXyx-00017l-1o for qemu-devel@archiver.kernel.org; Mon, 01 Aug 2022 12:09:28 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:40006) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oIXlX-0003Ar-1c for qemu-devel@nongnu.org; Mon, 01 Aug 2022 11:55:37 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:56765) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oIXlN-0001NZ-EX for qemu-devel@nongnu.org; Mon, 01 Aug 2022 11:55:33 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1659369323; 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=m5TSlU9MKSKAi4SuSRQshrq9zO1FC+f5kFqrYJJnsCE=; b=ExTNcMiGPTYPNWrimPKCn1xivhlN755uEUJcDt/GbR0OiLIT679fmSL7erS/GNerzW0J0N jRtNeGHmkXiZamJuKTU5ddQrJd5Q7G4VzhRPj2PJYyjHPitXDEN088seJLqj+QHwwF711W becx6jDKeTSsFtrNr1J3P/SxfQCzF3g= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-465-0r4TEvHjNBCPy-Q8qqygWg-1; Mon, 01 Aug 2022 11:55:15 -0400 X-MC-Unique: 0r4TEvHjNBCPy-Q8qqygWg-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 8C25C3C1023F; Mon, 1 Aug 2022 15:55:14 +0000 (UTC) Received: from thuth.com (unknown [10.39.192.102]) by smtp.corp.redhat.com (Postfix) with ESMTP id 119DB18EA8; Mon, 1 Aug 2022 15:55:11 +0000 (UTC) From: Thomas Huth To: qemu-devel@nongnu.org Cc: Richard Henderson , Peter Maydell , "Dr. David Alan Gilbert" , peterx@redhat.com, Juan Quintela , Ilya Leoshkevich , berrange@redhat.com Subject: [PULL 1/7] tests/tcg/linux-test: Fix random hangs in test_socket Date: Mon, 1 Aug 2022 17:55:00 +0200 Message-Id: <20220801155506.254316-2-thuth@redhat.com> In-Reply-To: <20220801155506.254316-1-thuth@redhat.com> References: <20220801155506.254316-1-thuth@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.11.54.5 Received-SPF: pass client-ip=170.10.129.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, 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, T_SCC_BODY_TEXT_LINE=-0.01 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" From: Ilya Leoshkevich test_socket hangs randomly in connect(), especially when run without qemu. Apparently the reason is that linux started treating backlog value of 0 literally instead of rounding it up since v4.4 (commit ef547f2ac16b). So set it to 1 instead. Signed-off-by: Ilya Leoshkevich Message-Id: <20220725144251.192720-1-iii@linux.ibm.com> Signed-off-by: Thomas Huth --- tests/tcg/multiarch/linux/linux-test.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tests/tcg/multiarch/linux/linux-test.c b/tests/tcg/multiarch/linux/linux-test.c index 019d8175ca..5a2a4f2258 100644 --- a/tests/tcg/multiarch/linux/linux-test.c +++ b/tests/tcg/multiarch/linux/linux-test.c @@ -263,7 +263,7 @@ static int server_socket(void) sockaddr.sin_port = htons(0); /* choose random ephemeral port) */ sockaddr.sin_addr.s_addr = 0; chk_error(bind(fd, (struct sockaddr *)&sockaddr, sizeof(sockaddr))); - chk_error(listen(fd, 0)); + chk_error(listen(fd, 1)); return fd; } -- 2.31.1