From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) (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 1584C7C for ; Mon, 19 Sep 2022 14:43:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1663598630; x=1695134630; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=E4siBz6Id31VkpgPWyEtZoK8L5eH6fa5oS1U9xUtoxk=; b=Sr9ygV7LB+fDA5brarUugMFSwPlwb+h0g5cCa2EOaSXsqCv07CKgFWLk CiqmnRW2yA1b29yHsv4rfz76tQ0c0BPLwHurtOZfAKd247DqStgcs1JNm sX7cumx0zEgMXrUBo9OWBvx2m54w1uygWiJPbDdYPrJlA9hp80eRQRf6m 80hD0paZL5k6SZtcYVDiV/gTuAaMRcfYIuPz01CNQ4Ee+Lq5R+iZHtxmB F08Vkl0mdhiWRhf8wnX24KgvMy85A5A7+jMdEoJslG+3t+QDflEn5NbB5 0lmVeBtkTHMp/C1kCmBK16xc4CXOriiMsDBc3lmHQiY3s7ZI/k6yl+lZD g==; X-IronPort-AV: E=McAfee;i="6500,9779,10475"; a="385707120" X-IronPort-AV: E=Sophos;i="5.93,328,1654585200"; d="scan'208";a="385707120" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Sep 2022 07:43:49 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,328,1654585200"; d="scan'208";a="707589263" Received: from black.fi.intel.com ([10.237.72.28]) by FMSMGA003.fm.intel.com with ESMTP; 19 Sep 2022 07:43:47 -0700 Received: by black.fi.intel.com (Postfix, from userid 1001) id 12237363; Mon, 19 Sep 2022 17:44:04 +0300 (EEST) Date: Mon, 19 Sep 2022 17:44:04 +0300 From: Mika Westerberg To: Baolu Lu Cc: George Hilliard , Joerg Roedel , Will Deacon , "iommu@lists.linux.dev" , "linux1394-devel@lists.sourceforge.net" , Stefan Richter Subject: Re: 5.19.9 regression: DMAR error on i7-8650U Message-ID: References: <485A6EA5-6D58-42EA-B298-8571E97422DE@getmailspring.com> <4379585e-42e4-53d9-8ca4-bf5b8ff3c95d@linux.intel.com> Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Hi Baolu, On Mon, Sep 19, 2022 at 11:09:02AM +0300, Mika Westerberg wrote: > Here's bugzilla report that looks to have similar symptoms: > > https://bugzilla.kernel.org/show_bug.cgi?id=216497 The reporters of the above bugzilla bisected this down to: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.19.y&id=9516acba29e322202674d18f4dc383879f7813a5