From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) (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 58B5B3C109A for ; Wed, 16 Sep 2026 07:38:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.20 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789544335; cv=none; b=uZBGnMoZJ2P35Lhiv0UBNWmaaAinScgf4RiTFHrZaYXkSYRik1FogpF8ycCZC2euNFg/qpdMsoIjj8A0urORClZADbARlmTNZQ7QHq4Z5hT6bqISYH1VW3FOZtd1P/hfmF7ksAkLQva4HQ5aW09hgVhg0ZpR+CKID7gpqoeEIhU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789544335; c=relaxed/simple; bh=k7OKeulNavXpC2MT+XQZIyDcs9FqfB1VNG9sE9o7R/Q=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=lxMMCeyZW9FBCta62p+F6fWLroWj5PHl24oZLiUJupNoaSYlXpZqnV4h2XvBZdEn9w7AZmyU/jrerxXhX4oHVSF/WiWsVuQG4w8ZfmLtiMPQMekBqgpcNJB5r6RYUq3T2iVTuU8o1kqD89/ee0Qp/QPykkm/IETucwWcgaWH2oQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=UJR1vfVG; arc=none smtp.client-ip=198.175.65.20 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="UJR1vfVG" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1789544327; x=1821080327; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=k7OKeulNavXpC2MT+XQZIyDcs9FqfB1VNG9sE9o7R/Q=; b=UJR1vfVGC4Hd9rxBhAdoAPADAIqL/SJWbsd4fcy4aV1t+ar6d2WS/AZE cjVSNMVgB53L2rNeJZqLjtcawUxYsvUg9sdGlLqBcVPFRT7U3frt9Pofd auqZf3x3vqjEWwimqedyCtc/7Q1ZuU9c+CRPhrFtGDYPrplnn72wGsj6o h3iXeXtUCulY6PnGmTQLAihEIP2HYGto90JKt7OUShISjonkU6R5IC2Ba nBZ8rueVbmCPgi1lLZzF0jHahQYclJ8OrEe1s1nWENbwgl96/daqA5a84 7bUa8tVF9VBDBPcBhWACLkVc/1ToUtRJdttz18VgeYeLGqleP4euXkdpO w==; X-CSE-ConnectionGUID: oQtju5UsS7iWE/bBUXFggw== X-CSE-MsgGUID: Jl0EQL+NT+SKEosR5yMmxQ== X-IronPort-AV: E=McAfee;i="6800,10657,11905"; a="89671566" X-IronPort-AV: E=Sophos;i="6.27,103,1787036400"; d="scan'208";a="89671566" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Sep 2026 00:38:43 -0700 X-CSE-ConnectionGUID: 7hhPL24XRce8A6b5u58Pbg== X-CSE-MsgGUID: FXiCAbozTyWSU4TRH2uBjQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,103,1787036400"; d="scan'208";a="277379758" Received: from black.igk.intel.com ([10.91.253.5]) by orviesa005.jf.intel.com with ESMTP; 16 Sep 2026 00:38:41 -0700 Received: by black.igk.intel.com (Postfix, from userid 1001) id D7B5399; Wed, 16 Sep 2026 09:38:39 +0200 (CEST) Date: Wed, 16 Sep 2026 09:38:39 +0200 From: Mika Westerberg To: Mario Limonciello Cc: Nils Arnold , linux-usb@vger.kernel.org, Sanath.S@amd.com, Basavaraj.Natikar@amd.com, westeri@kernel.org Subject: Re: AMD Strix Halo USB4: 20/40 Gbit/s negotiation with RJ45 and original host-reset patch regression Message-ID: <20260916073839.GL106095@black.igk.intel.com> References: <20260915124904.GK106095@black.igk.intel.com> <853b62e8-5b07-43d2-be93-bfbd95f55165@kernel.org> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <853b62e8-5b07-43d2-be93-bfbd95f55165@kernel.org> Hi, On Tue, Sep 15, 2026 at 03:42:43PM -0500, Mario Limonciello wrote: > On 9/15/26 07:49, Mika Westerberg wrote: > > Hi, > > > > On Tue, Sep 15, 2026 at 01:21:39PM +0200, Nils Arnold wrote: > > > Hello Sanath, Mario, Mika and Basavaraj, > > > > > > I would like to add test evidence from two Strix Halo hosts to this > > > USB4 reset discussion. My reset test used a backport of the ORIGINAL > > > f1de1fc5f632 commit, not the newer deferred-reset implementation. > > > I have not tested the revisions discussed on September 15. > > > > Okay the last message on the thread I asked if we should revert the commit > > for v7.3-rcX and then try to get the "better" fix into v7.4. At least what > > I understood it seems to solve the issue without the deadlock and killing > > the whole host interface underneath everybody else. > > FWIW to Nils I left a note on that thread and agree with Mika. > > > > > Once we have that patch, you can test and see if that helps in your case > > too. Now that we know AMD guys can CC you when they submit it. > > One thing I'd like to note though; I would rather that we keep out of tree > modules out of the conversation on the kernel mailing list when it comes to > upstream behavior. > > There are multiple ways to do xdomain tunnels in the kernel, and we should > collectively fixate our time and energy on bugs related to those instead of > PoC out of tree drivers. Fully agree. But the same behaviour is with the in-tree Thunderbolt networking and stream (and maybe DMA test) drivers so those should at least be working with the AMD controller without wedging.