From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) (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 17B401A08A3; Tue, 10 Feb 2026 15:00:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770735639; cv=none; b=MtcMzU81TkaX5BlX+T1Xv//JqPazXj7B4HSfFS2MG0CPBlrAo95ybZUfvb2+Xh7UbYyCEFnu7nsj5BI7dGrHBNdu//5CbUSGl5dOEBvq13EnJKlry3RbEaZkeDSifhrHlTX7PUaWyr4KIXZBbsNupcAtdmGQ3QwXJ9ToZNmhqCI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770735639; c=relaxed/simple; bh=VBWi6seDwTX2jJZl+/ncQg0eXAWARvIs+R/QW7n9bZ8=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=KkZog0176NDYaOubZP8o4v1Vr4QJq0TL3fB4T0DRj0x+IUkYTfhF/M1+gV/OjUBp+omRUCGprtb5r9yTafxu3UytTD2phfZrIGca+h24ZUhWFdCkeOGFhDB5+IeDVhIsicDQEz9aosA241EhiOfl1LxtJT084im7hC/2Z+dTGNk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=g61OslKY; arc=none smtp.client-ip=198.175.65.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="g61OslKY" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1770735638; x=1802271638; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=VBWi6seDwTX2jJZl+/ncQg0eXAWARvIs+R/QW7n9bZ8=; b=g61OslKYBC0zEHAtsCyzIQm3UJ1EYSbnLuF1szyNA6iVhqhk0GXSOaEi sqT4KCm5y2SXia/Q+vcziH4XA3qTCqSz/voIHpx/T2pHIwfOJCNoDuCo8 nxIxxeQqD8xh1+q16A7vOy71Ksc2PHxBHJa0hDg6aYLm5JlstYH1oPrWO zy4f2r2Nh6RnsqsqqOvTY7oM0CqgjR3QF5i2F0VQ8WWyOjqx6Pryk0Qoh GS8pz4DiVtJKc9sWqI4paIKC7tTjbFED94oQ4+iHG+Uivh+7DYVdqseBB 2FM3JLYM2uKw90E7CFpB4iCbXq/fAJjB6iIUT8bgIhBvo7SVePCngRPT2 g==; X-CSE-ConnectionGUID: sxOaxHYFQZaWSm1dPeglqA== X-CSE-MsgGUID: rHmw3LVSRdSGAa/2aMn99A== X-IronPort-AV: E=McAfee;i="6800,10657,11697"; a="94507935" X-IronPort-AV: E=Sophos;i="6.21,283,1763452800"; d="scan'208";a="94507935" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Feb 2026 07:00:38 -0800 X-CSE-ConnectionGUID: mN+64WHcSpWyWH0zHNR7BA== X-CSE-MsgGUID: T91y0c3FQYyLSuRCb8tMlg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,283,1763452800"; d="scan'208";a="249587423" Received: from cmdeoliv-mobl4.amr.corp.intel.com (HELO [10.125.108.49]) ([10.125.108.49]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Feb 2026 07:00:36 -0800 Message-ID: <6cc9d925-0aea-4104-b58c-984f455b157f@intel.com> Date: Tue, 10 Feb 2026 08:00:35 -0700 Precedence: bulk X-Mailing-List: linux-cxl@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 0/2] Fix port enumeration failure To: Li Ming , Alison Schofield Cc: dave@stgolabs.net, jonathan.cameron@huawei.com, vishal.l.verma@intel.com, ira.weiny@intel.com, dan.j.williams@intel.com, linux-cxl@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260207133512.306128-1-ming.li@zohomail.com> <4eefdae3-125e-4c80-9968-8d20648f33bd@zohomail.com> Content-Language: en-US From: Dave Jiang In-Reply-To: <4eefdae3-125e-4c80-9968-8d20648f33bd@zohomail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On 2/10/26 4:56 AM, Li Ming wrote: > > 在 2026/2/10 11:04, Alison Schofield 写道: >> On Sat, Feb 07, 2026 at 09:35:10PM +0800, Li Ming wrote: >>> I ran CXL mock testing with next branch, I usually hit the following >>> call trace. >> Hi Ming, >> I started hitting this after you first posted, however it takes me a >> long time to hit it. Do you have a method to reproduce that is better >> than running on repeat as I do? Thanks! >> -- Alison >> >> snip > > Hi Alison, > > My environment is a VM with 2 CPUs, maybe you can try it. > > I use a script to run "meson test --suite=cxl" again and again in the VM. The other day Alison showed me the --repeat=N parameter for meson test. You can use that instead of script unless it does something special. > > I can typically reproduce it within 30 minutes, I have also encountered cases where it fails to reproduce even after one or two hours. > > > Ming >