From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 2B51D470445; Mon, 7 Sep 2026 13:34:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788788083; cv=none; b=JxXWJbyK3DbtnyDclSvRSE+illt0cXB6mmD5N90Fnwm7nGkEuOI+lEdyh209ewO2g9EG/hTbpU5JlTlzqnHD6QAfk/B7HqdENKZq2FtYmQMpUT61CGoqBUaeQZp4a9nd+MkePja6zXJTT4nRFikHht8G4R26LOTF5LDc7AybIBA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788788083; c=relaxed/simple; bh=j+nWfkflMFoZZjBZ7bYbywi8eZcMGCjP1glo1FGrhQk=; h=Date:Message-ID:From:To:Cc:Subject:In-Reply-To:References: MIME-Version:Content-Type; b=hSfb1XB+o03UiiVhyfaTZVKhi9ZTJ91NWY1xLMTwswLsGMKygR8azEyaSju3o6y2tqvofrzSncwIZwBrLQ3MQ6V2fG86j1xjyE2hzPyU8PkpsQ/YnEGFdgyqgiyKLOyjnInFxWBvvykoU2MnIeS07BZJCYUQC8tAEzVkORXOopc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=MKjxQwlt; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="MKjxQwlt" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 99FC71F00A3A; Mon, 7 Sep 2026 13:34:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788788081; bh=2iF1GCgL64lrVgTO7oZJH53BcV3ZvYVCBWhjX55qtDA=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=MKjxQwlts+YwAk2Jwq7SHDDg9jnbEBYeTgwaFbrzt6h7KZHd78ingFAfCqb/cgdsS z2BacHZnzFByZZfrRswm8ZimjR5qp6qqhb9COXNbsdH8hg7ONHH0GEhMCiItMwhhFI LLjTYK/v6yzZ+2CwOdCVRiIiumlQvNxMRcr1Uolmlkgntm44DGE2m/cplY626B13hK QnNtfcuMbgMnmYHeOeLJ2vcKNgZMXnQMpjkgMcylg/+rxoAKIl2rHsPir69KW1Z33m /GiSzQozatfvf0RssQdeKLkT0AlJhOqA3IFzDTk97oBtpQe/p/Gw1LETiRco37dycs +GKk15WBac45g== Received: from sofa.misterjones.org ([185.219.108.64] helo=goblin-girl.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1x3ZUd-00000005nIW-2K7R; Mon, 07 Sep 2026 13:34:39 +0000 Date: Mon, 07 Sep 2026 14:34:39 +0100 Message-ID: <86bja94234.wl-maz@kernel.org> From: Marc Zyngier To: Konrad Dybcio Cc: Raviteja Laggyshetty , Mostafa Saleh , Georgi Djakov , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Rajendra Nayak , Abel Vesa , Bjorn Andersson , Konrad Dybcio , linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Dmitry Baryshkov , Odelu Kukatla Subject: Re: [PATCH v2 2/3] interconnect: qcom: x1e80100: enable QoS configuration In-Reply-To: References: <20260527-x1e80100_qos-v2-0-305c6539e6d2@oss.qualcomm.com> <20260527-x1e80100_qos-v2-2-305c6539e6d2@oss.qualcomm.com> <86ld9d4h4n.wl-maz@kernel.org> <86jyox4fas.wl-maz@kernel.org> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/30.1 (aarch64-unknown-linux-gnu) MULE/6.0 (HANACHIRUSATO) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: konrad.dybcio@oss.qualcomm.com, raviteja.laggyshetty@oss.qualcomm.com, smostafa@google.com, djakov@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, quic_rjendra@quicinc.com, abelvesa@kernel.org, andersson@kernel.org, konradybcio@kernel.org, linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dmitry.baryshkov@oss.qualcomm.com, odelu.kukatla@oss.qualcomm.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false On Mon, 07 Sep 2026 14:20:26 +0100, Konrad Dybcio wrote: > > On 9/7/26 10:49 AM, Marc Zyngier wrote: > > On Mon, 07 Sep 2026 09:18:38 +0100, > > Raviteja Laggyshetty wrote: > >> > >> > >> > >> On 9/7/2026 1:39 PM, Marc Zyngier wrote: > >>> On Wed, 02 Sep 2026 14:00:52 +0100, > >>> Mostafa Saleh wrote: > >>>> > >>>> On Wed, May 27, 2026 at 05:37:10AM +0000, Raviteja Laggyshetty wrote: > >>>>> Enable QoS configuration for master ports with predefined priority > >>>>> and urgency forwarding. > > [...] > > >>> I'm also seeing spurious resets on my "X1E001DE Snapdragon Devkit for > >>> Windows" when doing large file transfers over the network (30GB+). > >>> With this patch reverted on top of 7.3-rc1, both machines are as solid > >>> as they were before it. > >>> > >> The current patch enable QoS for Hamoa SoC, which get programmed only during > >> driver probe. This shouldn't impact or cause any spurious resets once the > >> device is booted up and probe is successful. > > > > And yet it absolutely does break things. > > > > With this patch applied, the box resets within 5GB of heavy network > > traffic, probably because some transaction get delayed, and a watchdog > > fires. With the patch reverted, the box keeps receiving packets, and > > everything is hunky dory (100GB+ so far). > > > > Which makes me think that the set of hardcoded parameters in this > > patch is not universal at all. > > They are, provided the configuration is for the right SoC.. Is x1e001de different from x1e80100? AFAIK, it is only a binned version of the same SoC. How do you explain the above regression? > Turns out Purwa has a slightly different topology and that went > unnoticed as the platform was brought up upstream. > > I'll send a fix. That'd be good. M. -- Without deviation from the norm, progress is not possible.