From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) (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 66493190 for ; Sun, 30 Oct 2022 08:42:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1667119323; x=1698655323; h=message-id:date:mime-version:cc:subject:to:references: from:in-reply-to:content-transfer-encoding; bh=0pZ5BXM1KKlllTzvGlawsj7qioUyJBmxNGtcs+Xr9vc=; b=OZQr8NExV9jUHlrTLML3+g0kMhz4kWwaiHrF9/PnCD/hIucpcSAcYPYg zAKPYlNN8/Upx72ATa64sRWCZvPpFIFYngiIdFSxaLFEN/2yV2SkkAUwy z1SX0uzgRE2eNht1h6HmsLtHFf1c2IfyMPAayU0yisDUeeQaBIWvfTbkT yKBDQiQDXdEpS4+ifIYXj5OjO7T+Nuk7RE5/7msMusg/6DWP7HS32bNdS 1en+OLEtgyI0WpjlfiNyrjwX2FpCHzH8RNA4bHTnMBieFnmZ/q2BYpCAI fv6LhPdxb73Qi8wvHzA9FflSkVRs5fuGKutNJKp+DHWTkZouZydOQla6F A==; X-IronPort-AV: E=McAfee;i="6500,9779,10515"; a="296136358" X-IronPort-AV: E=Sophos;i="5.95,225,1661842800"; d="scan'208";a="296136358" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Oct 2022 01:42:03 -0700 X-IronPort-AV: E=McAfee;i="6500,9779,10515"; a="627945761" X-IronPort-AV: E=Sophos;i="5.95,225,1661842800"; d="scan'208";a="627945761" Received: from blu2-mobl3.ccr.corp.intel.com (HELO [10.254.210.60]) ([10.254.210.60]) by orsmga007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Oct 2022 01:42:01 -0700 Message-ID: Date: Sun, 30 Oct 2022 16:41:58 +0800 Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.4.0 Cc: baolu.lu@linux.intel.com, Joerg Roedel , Kevin Tian , Robin Murphy , iommu@lists.linux.dev Subject: Re: lockdep splat with intel iommu Content-Language: en-US To: Jason Gunthorpe References: From: Baolu Lu In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 2022/10/30 0:06, Jason Gunthorpe wrote: > On Sat, Oct 29, 2022 at 04:22:32PM +0800, Baolu Lu wrote: >> On 2022/10/27 21:59, Jason Gunthorpe wrote: >>> I'm seeing this at every boot, on v6.1-rc2 >>> >>> I've just realized it means lockdep is turned off for the actual >>> testing I want to do. Very annoying >>> >>> Lu, is there a solution yet? I saw some patches for a different >>> lockdep splat but not this one. >> >> Hi Jason, >> >> Possibly the same issue as this one? >> >> https://lore.kernel.org/linux-iommu/20220922101036.87457-1-janusz.krzysztofik@linux.intel.com/ > > No, this has nothing to do with coretemp and this one involves irq_domain_mutex Can you please share a copy of the .config with me? I am trying to reproduce this with a local machine. Best regards, baolu