From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) (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 DA68A39D6DD for ; Fri, 29 May 2026 06:35:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780036529; cv=none; b=oqmJY7EcGLh09ack1CmTdpd9IMHmx8Dy0hQUeMQJCcK9aeKiurryqjLTaQ58eb1zeIfwzC3/y0Gp3MSUfJ7NKG8Umrnxtr5Pr7TY1KFVz16xeEsXvOYhVDpGhg+UtR9w/ivgccUTqdGW9lQdwohfWvApCCMi1Oa2X6fg1ux0xVE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780036529; c=relaxed/simple; bh=KulmRfsCRdxX3WAcV3aOlBDhzSthGWcalI4NLuV5l9g=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=etJgfgYUoWRAe+XVVVEsKIQL/TL7/PKRAu5N48siJKVm9CnOiVy1RGtcqrKKeXi7Y2OgtaXeamRtgMbtzCk/cFgbDuqxxi7YxPW57+Dx/r4NoDwk7O3Wiip4ivpxrxv1yi7LC7XoYtqsPrk2q2cH1X1ZpgpFeN5n/wyWdomu+dE= 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=lddg7AqD; arc=none smtp.client-ip=192.198.163.18 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="lddg7AqD" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1780036527; x=1811572527; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=KulmRfsCRdxX3WAcV3aOlBDhzSthGWcalI4NLuV5l9g=; b=lddg7AqDAh+YVMKnKiYpFZWvDI8qIHgEJY3vNlwcYhO32b25PchKAJj7 WV3JWOwIXlqOswZwJpxsmQt33L0kRqxmiYlm8jiRaojSIC04UkHlb6qNK wFcgcOGAuyeVY8UtBOOgVtvSgz71MchL66Hs7yBrPt/en9FL+Z6NlN+OR jbhTQc+xqfbkzKhXaJFaAXuGOBgsII1iYuCGOIwbhcskNaMeqxapJmnm6 +2ULX3e/kNU4DcKosRepDRPYsnsG0yMsaEfkanMgbS4kLNjnqYZ2mQkk2 oFrCcrqgVo0E8Y1+OrhrZFfvzH/azRaJ3TTGYzS6gb5quU+59CX/EIgT2 Q==; X-CSE-ConnectionGUID: Oe7N3KQsQ6+0jvcEn8Icvw== X-CSE-MsgGUID: 6EdoRn6OT8SJJWhbBIghfA== X-IronPort-AV: E=McAfee;i="6800,10657,11800"; a="80031391" X-IronPort-AV: E=Sophos;i="6.24,174,1774335600"; d="scan'208";a="80031391" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 May 2026 23:35:27 -0700 X-CSE-ConnectionGUID: n8ja/wmrQnWkSQ0qkG/xxw== X-CSE-MsgGUID: KTQjbsHMQvWk9obldib5Tw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.24,174,1774335600"; d="scan'208";a="242871011" Received: from black.igk.intel.com ([10.91.253.5]) by orviesa009.jf.intel.com with ESMTP; 28 May 2026 23:35:28 -0700 Received: by black.igk.intel.com (Postfix, from userid 1001) id E5D6995; Fri, 29 May 2026 08:35:25 +0200 (CEST) Date: Fri, 29 May 2026 08:35:25 +0200 From: Mika Westerberg To: Mario Limonciello Cc: Sebastian Loscher , linux-usb@vger.kernel.org, andreas.noever@gmail.com Subject: Re: [BUG] thunderbolt: USB4 v2 TBGAA tunnel creation crash in TMU enhanced uni-directional mode Message-ID: <20260529063525.GK3102@black.igk.intel.com> References: <13787e02-75d9-8000-65d5-41434a0e817c@krang.de> <20260525044421.GI8580@black.igk.intel.com> <8c753210-e399-4ddf-8ca4-d250fd4af369@kernel.org> <20260526040732.GO8580@black.igk.intel.com> <523ddc3e-2047-c202-482a-02d76de17cd4@krang.de> <20260527122624.GC3102@black.igk.intel.com> <09372c24-0812-4f14-8d23-7d44028fb499@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: <09372c24-0812-4f14-8d23-7d44028fb499@kernel.org> On Thu, May 28, 2026 at 10:13:28PM +0100, Mario Limonciello wrote: > > > The other thing I noticed is that the host is USB4v2 as well (well > > according to the TMU configuration). @Mario is that right? I was not sure > > if AMD is v2. > > AMD's integrated one is not USB4v2, but I believe this specific design > actually has both AMD integrated USB4 as well as a discrete Intel USB4v2 > soldered down on the MB. Ah okay. > That's why I was suggesting to try some of the ports to rule out if it's a > USB4v2 unique issue. I think he said the front ports are USB4 and rear ports > are USB4v2. Agree, doing this makes sense.