From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp-fw-80006.amazon.com (smtp-fw-80006.amazon.com [99.78.197.217]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 302BC272E69 for ; Fri, 16 May 2025 17:44:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=99.78.197.217 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747417489; cv=none; b=ZzKtxmzQIlSaqVh11Twwi9cvOcQHkvjXBw4PJRxf7MUf+Y4qKsAWuD7ZJ3jOgHwzHZFIjAnyeYhRXNZhHjSsBkaF6jCn62vYFgxL9n50csXlrQyGFTHwpO7/X+sVOJtStg6ecQIIETKuHlr8GWRNO2jqG67vp+a5E2UcTvhcJcY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747417489; c=relaxed/simple; bh=e7Gnfj4M1LWkoinHP5YUb6VVDRTw5ARwL424EfYYzbQ=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=k9sfSuRg4yrQddTMUeBKMQWLThbUQ9eIBsM+IxpSrciCJuvS788i/MDiOaDxSnro11ILIBSBtjMzaQ6Yqo39OX7e4JPQnzb7+3pGbT7wWALBDsM6KMimQfswhCFegBm6y0rUOBW18Bc5uT4+H7+R8oo0JUBofjlrWmJCbHsZPGw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amazon.com; spf=pass smtp.mailfrom=amazon.co.jp; dkim=pass (2048-bit key) header.d=amazon.com header.i=@amazon.com header.b=LTABf63y; arc=none smtp.client-ip=99.78.197.217 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amazon.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=amazon.co.jp Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=amazon.com header.i=@amazon.com header.b="LTABf63y" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazoncorp2; t=1747417489; x=1778953489; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=PSvA8wf7hhiihWDhLdgV3K7zKIlswqoFfMtC1oKBAhs=; b=LTABf63yque1LzyvFAjUyNbwzXAN9qFOO3L6L+cbyyofT4ctzbpeUB/l Lp0Xy4JYd8ss+N3v+l8zUpyHIUTFSwwNjTxLqhToBO+j0vhROosLB9FB2 sM5W1jjAhXfD18cv7bLe5anagN8RaYV1ieUIdWhCcFGsXsf5DYN1cY+dM zACK2mQHOywizksrj+3A0swtChfIX6R2M6IhoMuXqtw8YBRmnARtA73zk 2FLyBgFAH96IA0gOpu6EEk5TFCG1qzlNktPbzOsvrufMrjP5q0Oyey/JP tx2LVO7Ov0pBVhV0EK1wtqY7ao6rtp8IBESzOtKnLnUf0J/qwEFa6GCiZ w==; X-IronPort-AV: E=Sophos;i="6.15,294,1739836800"; d="scan'208";a="50819124" Received: from pdx4-co-svc-p1-lb2-vlan3.amazon.com (HELO smtpout.prod.us-west-2.prod.farcaster.email.amazon.dev) ([10.25.36.214]) by smtp-border-fw-80006.pdx80.corp.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 May 2025 17:44:46 +0000 Received: from EX19MTAUWB001.ant.amazon.com [10.0.7.35:2848] by smtpin.naws.us-west-2.prod.farcaster.email.amazon.dev [10.0.55.122:2525] with esmtp (Farcaster) id 34c6c81e-e9f2-4b22-aa3b-0b67ac37f00b; Fri, 16 May 2025 17:44:45 +0000 (UTC) X-Farcaster-Flow-ID: 34c6c81e-e9f2-4b22-aa3b-0b67ac37f00b Received: from EX19D004ANA001.ant.amazon.com (10.37.240.138) by EX19MTAUWB001.ant.amazon.com (10.250.64.248) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.1544.14; Fri, 16 May 2025 17:44:45 +0000 Received: from 6c7e67bfbae3.amazon.com (10.142.194.153) by EX19D004ANA001.ant.amazon.com (10.37.240.138) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.1544.14; Fri, 16 May 2025 17:44:43 +0000 From: Kuniyuki Iwashima To: CC: , Subject: Re: [TEST] net/bind_wildcard flakiness Date: Fri, 16 May 2025 10:44:31 -0700 Message-ID: <20250516174435.70447-1-kuniyu@amazon.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250516100542.67c276ec@kernel.org> References: <20250516100542.67c276ec@kernel.org> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: EX19D041UWB001.ant.amazon.com (10.13.139.132) To EX19D004ANA001.ant.amazon.com (10.37.240.138) From: Jakub Kicinski Date: Fri, 16 May 2025 10:05:42 -0700 > Hi! > > The bind_wildcard used to be rock solid, no flakes in last 1000 runs, > but then around the time Eric posted his Rx optimizations we hit one > flake, and now we hit another: Thanks for the report. The test only calls bind() so I guess it's not related to the RX optimisation series. > > List: > https://netdev.bots.linux.dev/contest.html?test=bind-wildcard&executor=vmksft-net&pass=0 > > Outputs: > https://netdev-3.bots.linux.dev/vmksft-net/results/122022/14-bind-wildcard/stdout > https://netdev-3.bots.linux.dev/vmksft-net/results/123463/14-bind-wildcard/stdout > > One does: > > # 0.21 [+0.00] # bind_wildcard.c:768:reuseaddr:Expected ret (-1) == 0 (0) > # 0.21 [+0.00] # reuseaddr: Test terminated by assertion > # 0.21 [+0.00] # FAIL bind_wildcard.v6_any_only_v6_v4mapped_any.reuseaddr > > The other: > > # 0.25 [+0.00] # bind_wildcard.c:775:plain:Expected ret (-1) == 0 (0) > # 0.25 [+0.00] # plain: Test terminated by assertion > # 0.25 [+0.00] # FAIL bind_wildcard.v6_local_v6_v4mapped_any.plain This is weird because both cases failed when bind() should succeed. Will try to reproduce on my end. > > > The only change on the infra side is that I increased disk IO cap, > so the builds are now faster.