From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) (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 A8EF241C73 for ; Sun, 1 Sep 2024 09:12:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725181939; cv=none; b=V0wkBXRTRckpO/yVurQFWFuBYLLdyhDD61f1+9izcJgnw/QTO4e68MP5i9BEu9KKWbRZUQNzWHk8g/TD8XaJ9ja5IZ1YN2dOKe4aV+AnIXuF5cCiiK3k0REcXG2n9kE8gRB46jqSQhd2I4mR6NxSboljWegLbWostvq/Zuzj0Mw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725181939; c=relaxed/simple; bh=vhbxosuo5ppzs+Cd1QVJhsR1FrFtWypTTMALXVWUgLQ=; h=Message-ID:Date:MIME-Version:Cc:Subject:To:References:From: In-Reply-To:Content-Type; b=smogtzTczgSW6HofVf0scSqnVCU9W9LuhfA5KOlrfek8jSS05Hgi6m56bsdp2KrNdCYSRmOp28PmcvKkcoMo0eEWivUasaaU9l2l/NEfIjPLA12PmSWoFmhybDyHGOLv9nVTB6PcXXj4+MO7uAmQhjjsNdH2MceJ5jBmV20iPkc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=RbvmsaGp; arc=none smtp.client-ip=198.175.65.10 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none 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="RbvmsaGp" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1725181938; x=1756717938; h=message-id:date:mime-version:cc:subject:to:references: from:in-reply-to:content-transfer-encoding; bh=vhbxosuo5ppzs+Cd1QVJhsR1FrFtWypTTMALXVWUgLQ=; b=RbvmsaGp1Bnho58b3b+RPQKwnPc0XlyofsA5VYeZfi9Qvw4lN0fnx3P1 SwY9OqbvaxCRoHMksHq+kRxqD6OVICiACsbMM/cYCXv28Twawmxb5MHfv 79OQ+2aAzh9IZkJee5tJJ1EjmfZJk1vmSU1+kim7cWwX80UNowJKLrDJs VGV5qC9suj/qsYn8CqyrirTATUZb+O4X/q1VF+YfEujUUkCuR1FliG5ft 4NkeXsSSORDYtH+/nQNWKa22rJU3PK0ftKVHdZLe9Z+ZZ7Hu0KGniYKrR EACo9ek+4g/GaMl0JoLJ7msUunsyROXp52Inc5UkrVU1ASgwZFena8J/i g==; X-CSE-ConnectionGUID: s8qB4wOSSCqx32/+6UqgFg== X-CSE-MsgGUID: LSBtqW+hRFuht/yCO+eLog== X-IronPort-AV: E=McAfee;i="6700,10204,11181"; a="41255346" X-IronPort-AV: E=Sophos;i="6.10,193,1719903600"; d="scan'208";a="41255346" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Sep 2024 02:12:17 -0700 X-CSE-ConnectionGUID: y+ZH+4fGRbeU3GeLx6KDtg== X-CSE-MsgGUID: wH0QC7YrRkWPjftf2f6bZQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,193,1719903600"; d="scan'208";a="87554229" Received: from blu2-mobl.ccr.corp.intel.com (HELO [10.124.240.228]) ([10.124.240.228]) by fmviesa002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Sep 2024 02:12:15 -0700 Message-ID: Date: Sun, 1 Sep 2024 17:12:12 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Cc: baolu.lu@linux.intel.com, Linux regressions mailing list , Will Deacon , David Woodhouse , Joerg Roedel , "iommu@lists.linux.dev" , LKML , Jacob Pan , Adam Williamson Subject: Re: [regression] usb and thunderbould are misbehaving or broken due to iommu/vt-d change To: "Tian, Kevin" , Markus Rathgeb References: Content-Language: en-US From: Baolu Lu In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 2024/8/30 8:29, Tian, Kevin wrote: >> From: Markus Rathgeb >> Sent: Thursday, August 29, 2024 4:34 PM >> >> With respect to my previous comment I tested to fix it myself (I am >> not a kernel hacker and do not know anything about iommu etc.). >> >> After applying the following change to the v6.11-rc5 it seems to fix my >> problem. >> I can connect, disconnect and connect the dock and USB is working and >> no DMAR error. >> > as said there was already a fix posted which is similar to below: > > https://lore.kernel.org/linux-iommu/20240815124857.70038-1-baolu.lu@linux.intel.com/ Above patch has been merged in v6.11-rc6. Please try the latest kernel version. Thanks, baolu