From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.15]) (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 1DF6D29DB64 for ; Fri, 5 Dec 2025 14:57:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764946681; cv=none; b=BEabOwNhDYHpc4M9pZKbwr70G+E91sdNxjRtKE3NuRwhPAil9eqPY8kBpvQ2OWmi8d66UFUf3hB4zxxdysvFv5MDZO2+3qBSF4mfrP27b9nev8wTgNTyLrNJ4122nCL7RM8FnrxzuekwgYqL4J5OvYrzIweJOfnfgm38NZHziDI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764946681; c=relaxed/simple; bh=nLhQ+6puMkQt1v1zxy7NeuDc0Bm0+2SoBcV2k6IPUns=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=m3XYoi0y2q0PkYRlAR3EQf03XJmoW74SlOo9C4yXVVsNgaGrzltxZ3BBYWcw13SDAJYetKizfkDcR82gVN326FCMsmMUy7fTWEHILlA9uywKTKkSaShw19gHwe9+PjLnIlml5ZdT4q2YAYq0iigFtlRWBgiXKQOSJ8wblGKDh6o= 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=ddXmvV47; arc=none smtp.client-ip=192.198.163.15 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="ddXmvV47" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1764946677; x=1796482677; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=nLhQ+6puMkQt1v1zxy7NeuDc0Bm0+2SoBcV2k6IPUns=; b=ddXmvV47JSnfOwrb1T0nXKSKgxJusXOZMyGX7S6JWMcPXtMpkmZkMEop brkaf8DE6ru3asNAoF8omo7f6Di40kFs9lI3Yu9pHBRMjaGdcP1NO9Zp5 3Qj2oBtV0hUmrvTiwLsGZFfeeIHoFzcC91jdT1xUqU9jB1LUiwfbdP/9G m6QGYBhjWvQFElfBVdWBMVxui3dS+b/+szdDPlsUfYmdMFAETZGORbYXQ 9vczRZGvIA1/9SRLhLYSuL3U7gvamMEmutPl4zS1DKwK8Z0AYjMhb2aMU r7wa1waumHIi7Z0J8JIf+RnoZGGKROe9ZSen9Aidy8T1WwhFaJPJONnhQ g==; X-CSE-ConnectionGUID: qRO9X6rQSb+YlclOiKUm/Q== X-CSE-MsgGUID: WFEhyqYnTxKdoDVqF7M7Jw== X-IronPort-AV: E=McAfee;i="6800,10657,11633"; a="67056153" X-IronPort-AV: E=Sophos;i="6.20,252,1758610800"; d="scan'208";a="67056153" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Dec 2025 06:57:55 -0800 X-CSE-ConnectionGUID: IlvSvx9PQQGL3wjLdvECjQ== X-CSE-MsgGUID: ZF8nmjC9RbiuHY8YTnpetg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,252,1758610800"; d="scan'208";a="195130953" Received: from amilburn-desk.amilburn-desk (HELO [10.245.244.111]) ([10.245.244.111]) by orviesa009-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Dec 2025 06:57:52 -0800 Message-ID: <7a6dfc17-12cc-4972-88d8-acf86e4fca45@linux.intel.com> Date: Fri, 5 Dec 2025 16:57:45 +0200 Precedence: bulk X-Mailing-List: regressions@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [REGRESSION][BISECTED] usb: hub: total system freeze after running adb To: Forest Cc: Greg Kroah-Hartman , Alan Stern , Heikki Krogerus , Stefan Eichenberger , Pawel Laszczak , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, regressions@lists.linux.dev References: Content-Language: en-US From: Mathias Nyman In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 12/5/25 03:56, Forest wrote: > On Thu, 4 Dec 2025 01:41:37 +0200, Mathias Nyman wrote: > >> If possible, could you try with the same usb debugging enabled as last time, >> and add HUNG_TASK debugging entries in kernel config: >> >> CONFIG_DETECT_HUNG_TASK=y >> CONFIG_DEFAULT_HUNG_TASK_TIMEOUT=30 >> CONFIG_DETECT_HUNG_TASK_BLOCKER=y >> >> And add the following patch to hub driver: > > That patch failed to apply, due to tab/space differences. I guess Thunderbird > might have taken liberties when you sent it. It was easy enough to make those > edits by hand, though. > > The result was again bursts of dmesg output roughly once per second, this time > 107 lines each. I compared the last three bursts that made it to my redirected > output file, and they were again the same except for timestamps and a few lines > being reordered. > > A screen photo once again shows newer timestamps than the file. I did not > read every line in the photo to compare it with the log file, but the last > dozen lines look the same. I suppose I can send you the photo if you like. > Yes please, small differences, ordering, and timing matter in this case Thanks Mathias